Commit graph

1941 commits

Author SHA1 Message Date
Shea Levy
b8739f2fb3
Enable specifying directories in plugin-files. 2018-02-13 11:25:01 -05:00
Eelco Dolstra
1c10a74c73
Merge branch 'plugins' of https://github.com/shlevy/nix 2018-02-13 12:15:27 +01:00
Eelco Dolstra
9bcb4d2dd9 Fix hang in build-remote 2018-02-12 22:48:55 +01:00
Eelco Dolstra
4f09ce7940
Fix 'deadlock: trying to re-acquire self-held lock'
This was caused by derivations with 'allowSubstitutes = false'. Such
derivations will be built locally. However, if there is another
SubstitionGoal that has the output of the first derivation in its
closure, then the path will be simultaneously built and substituted.

There was a check to catch this situation (via pathIsLockedByMe()),
but it no longer worked reliably because substitutions are now done in
another thread. (Thus the comment 'It can't happen between here and
the lockPaths() call below because we're not allowing multi-threading'
was no longer valid.)

The fix is to handle the path already being locked in both
SubstitutionGoal and DerivationGoal.
2018-02-12 17:06:06 +01:00
Eelco Dolstra
960e9c560e
nix: Ensure that the user sees errors from substituters 2018-02-09 15:06:47 +01:00
Eelco Dolstra
aa02cdc33c
getDefaultSubstituters(): Skip broken substituters
Fixes #1340.
2018-02-09 15:06:47 +01:00
Shea Levy
88cd2d41ac
Add plugins to make Nix more extensible.
All plugins in plugin-files will be dlopened, allowing them to
statically construct instances of the various Register* types Nix
supports.
2018-02-08 12:44:37 -05:00
AmineChikhaoui
47ad88099b
move the parallel-compression setting to binary-cache-store, the setting
can be done now from the url e.g s3://nix-cache?parallel-compression=1
instead of nix.conf.
2018-02-07 21:06:11 +01:00
AmineChikhaoui
55ecdfe2a8
make multi threaded compression configurable and use single threaded
by default.
2018-02-07 17:54:08 +01:00
Eelco Dolstra
84989d3af2
Improve filtering of ANSI escape sequences in build logs
All ANSI sequences except color setting are now filtered out. In
particular, terminal resets (such as from NixOS VM tests) are filtered
out.

Also, fix the completely broken tab character handling.
2018-02-07 15:23:57 +01:00
Eelco Dolstra
abe6be578b
Merge pull request #1816 from shlevy/add-path
Add path primop.
2018-02-07 13:32:35 +01:00
Shea Levy
69d82e5c58
Add path primop.
builtins.path allows specifying the name of a path (which makes paths
with store-illegal names now addable), allows adding paths with flat
instead of recursive hashes, allows specifying a filter (so is a
generalization of filterSource), and allows specifying an expected
hash (enabling safe path adding in pure mode).
2018-02-06 16:48:08 -05:00
Eelco Dolstra
bb1d046f5c
Allow substituters to be marked as trusted
This is needed by nixos-install, which uses the Nix store on the
installation CD as a substituter. We don't want to disable signature
checking entirely because substitutes from cache.nixos.org should
still be checked. So now we can pas "local?trusted=1" to mark only the
Nix store in /nix as not requiring signatures.

Fixes #1819.
2018-02-05 18:08:30 +01:00
Eelco Dolstra
2175eee9fe
Fix segfault using non-binary cache stores as substituters 2018-02-05 17:46:43 +01:00
Eelco Dolstra
84722d67d2
Remove nix-build --hash
Instead, if a fixed-output derivation produces has an incorrect output
hash, we now unconditionally move the outputs to the path
corresponding with the actual hash and register it as valid. Thus,
after correcting the hash in the Nix expression (e.g. in a fetchurl
call), the fixed-output derivation doesn't have to be built again.

It would still be good to have a command for reporting the actual hash
of a fixed-output derivation (instead of throwing an error), but
"nix-build --hash" didn't do that.
2018-02-03 10:08:05 +01:00
Shea Levy
de96daf54f
Merge branch 'master' of git://github.com/catern/nix 2018-02-01 13:21:45 -05:00
Eelco Dolstra
855699855f
Remove obsolete references to manifests
Closes #323.
2018-02-01 10:39:16 +01:00
Spencer Baugh
e5432574e2 document ability to set NIX_REMOTE=unix://path/to/socket 2018-01-31 22:47:16 +00:00
Eelco Dolstra
c129fc6ee8
Merge pull request #1801 from catern/master
remote_store: register for NIX_REMOTE=unix://path
2018-01-31 23:12:39 +01:00
Eelco Dolstra
88f4f0231b Fix building without aws-sdk-cpp 2018-01-31 22:34:51 +01:00
Eelco Dolstra
c287d73121
Rename 1.12 -> 2.0
Following discussion with Shea and Graham. It's a big enough change
from the last release. Also, from a semver perspective, 2.0 makes more
sense because we did remove some interfaces (like nix-pull/nix-push).
2018-01-31 18:58:45 +01:00
Eelco Dolstra
30370f168f
Cleanup 2018-01-31 15:14:03 +01:00
Eelco Dolstra
6270b2e50f
Merge branch 'http-binary-cache-put-upsert' of https://github.com/adelbertc/nix 2018-01-31 15:10:12 +01:00
Eelco Dolstra
478e3e4649
Indent properly 2018-01-31 13:46:38 +01:00
Spencer Baugh
746f8aed86 remote_store: register for NIX_REMOTE=unix://path
This allows overriding the socket path so the daemon may be listening at
an arbitrary Unix domain socket location.

Fixes #1800
2018-01-26 22:05:16 +00:00
Shea Levy
1d5d277ac7
HttpBinaryCacheStore: Support upsertFile with PUT.
Some servers, such as Artifactory, allow uploading with PUT and BASIC
auth. This allows nix copy to work to upload binaries to those
servers.

Worked on together with @adelbertc
2018-01-26 11:12:30 -08:00
Eelco Dolstra
e09161d05c
Remove signed-binary-caches as the default for require-sigs
This was for backward compatibility. However, with security-related
configuration settings, it's best not to have any confusion.

Issue #495.
2018-01-26 17:12:15 +01:00
Dan Peebles
d43a8b25f0 Fix obscure corner case in name resolution for builtin:fetchurl in sandboxed environments 2018-01-23 14:45:50 -05:00
Eelco Dolstra
3c4c30eadd
Rewrite builtin derivation environment
Also add a test.

Fixes #1803.
Closes #1805.
2018-01-19 15:00:38 +01:00
Eelco Dolstra
2896bb6826
Don't retry CURLE_URL_MALFORMAT 2018-01-19 14:05:08 +01:00
Eelco Dolstra
75b9670df6
Make show-trace a config setting 2018-01-16 19:24:23 +01:00
Eelco Dolstra
d4dcffd643
Add pure evaluation mode
In this mode, the following restrictions apply:

* The builtins currentTime, currentSystem and storePath throw an
  error.

* $NIX_PATH and -I are ignored.

* fetchGit and fetchMercurial require a revision hash.

* fetchurl and fetchTarball require a sha256 attribute.

* No file system access is allowed outside of the paths returned by
  fetch{Git,Mercurial,url,Tarball}. Thus 'nix build -f ./foo.nix' is
  not allowed.

Thus, the evaluation result is completely reproducible from the
command line arguments. E.g.

  nix build --pure-eval '(
    let
      nix = fetchGit { url = https://github.com/NixOS/nixpkgs.git; rev = "9c927de4b179a6dd210dd88d34bda8af4b575680"; };
      nixpkgs = fetchGit { url = https://github.com/NixOS/nixpkgs.git; ref = "release-17.09"; rev = "66b4de79e3841530e6d9c6baf98702aa1f7124e4"; };
    in (import (nix + "/release.nix") { inherit nix nixpkgs; }).build.x86_64-linux
  )'

The goal is to enable completely reproducible and traceable
evaluation. For example, a NixOS configuration could be fully
described by a single Git commit hash. 'nixos-rebuild' would do
something like

  nix build --pure-eval '(
    (import (fetchGit { url = file:///my-nixos-config; rev = "..."; })).system
  ')

where the Git repository /my-nixos-config would use further fetchGit
calls or Git externals to fetch Nixpkgs and whatever other
dependencies it has. Either way, the commit hash would uniquely
identify the NixOS configuration and allow it to reproduced.
2018-01-16 19:23:18 +01:00
Eelco Dolstra
ba75c69e00
Barf when using a diverted store on macOS
Fixes #1792.
2018-01-15 12:14:43 +01:00
Eelco Dolstra
74f75c8558
import, builtins.readFile: Handle diverted stores
Fixes #1791
2018-01-12 17:31:08 +01:00
Renzo Carbonara
b0328c244d nix.conf: builders-use-substitutes
Fixes #937
2018-01-09 22:40:07 +01:00
Eelco Dolstra
44272d8719
Rename "use-substitutes" to "substitute"
Commit c2154d4c84 renamed
"build-use-substitutes" to "use-substitutes", but that broke
"nix-copy-closure --use-substitutes".
2018-01-04 16:58:39 +01:00
Eelco Dolstra
aa43cbb764
Check aws-sdk-cpp version 2017-12-22 12:05:13 +01:00
Eelco Dolstra
8efe937a35 Fix build on gcc 7
Fixes #1738.
2017-12-16 00:49:31 +01:00
Eelco Dolstra
5d5b931fb1 Fix build against current aws-sdk-cpp 2017-12-14 16:45:40 +01:00
Eelco Dolstra
1ca8e95178
Merge pull request #1722 from bhipple/fix-for-older-libcurl
Fix for builds with system libcurl < 7.30
2017-12-12 11:48:08 +01:00
Will Dietz
00e0c416ff Mark comparison call operator as const 2017-12-11 12:08:40 -06:00
Benjamin Hipple
d76c4fe770 Fix for builds with system libcurl < 7.30
CentOS 7.4 and RHEL 7.4 ship with libcurl-devel-7.29.0-42.el7.x86_64; this flag
was added in 7.30.0
https://curl.haxx.se/libcurl/c/CURLMOPT_MAX_TOTAL_CONNECTIONS.html
2017-12-09 20:02:21 -05:00
Eelco Dolstra
2df9cbeb47 Provide random access to cached NARs
E.g.

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nars \
    /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79/share/icons/hicolor/scalable/apps/blender.svg > /dev/null
  real    0m4.139s

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nars \
    /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79/share/icons/hicolor/scalable/apps/blender.svg > /dev/null
  real    0m0.024s

(Before, the second call took ~0.220s.)

This will use a NAR listing in
/tmp/nars/b0w2hafndl09h64fhb86kw6bmhbmnpm1.ls containing all metadata,
including the offsets of regular files inside the NAR. Thus, we don't
need to read the entire NAR. (We do read the entire listing, but
that's generally pretty small. We could use a SQLite DB by borrowing
some more code from nixos-channel-scripts/file-cache.hh.)

This is primarily useful when Hydra is serving files from an S3 binary
cache, in particular when you have giant NARs. E.g. we had some 12 GiB
NARs, so accessing individuals files was pretty slow.
2017-12-07 01:07:07 +01:00
Eelco Dolstra
338f29dbd4 nix ls-{nar,store}: Return offset of files in the NAR if known
E.g.

  $ nix ls-store --json --recursive --store https://cache.nixos.org /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79 \
    | jq .entries.bin.entries.blender.narOffset
  400
2017-12-07 01:07:07 +01:00
Daiderd Jordan
2cb8aaa610
ssh-store: fix length when writing nar
This fixes nix copy and other things that use copyStorePath.
2017-12-06 11:41:08 +01:00
Will Dietz
79f5c296c0 ignore "interrupted" exception in progress callback
Context/discusson:

https://github.com/NixOS/nix/issues/1692#issuecomment-348282301
2017-11-30 12:45:54 -06:00
Eelco Dolstra
b52846ab5b
Show log tail when a remote build fails 2017-11-28 15:36:28 +01:00
Eelco Dolstra
549c3706a5
nix path-info: Show URL of NARs in binary caches 2017-11-24 18:08:50 +01:00
Eelco Dolstra
6cdaa858d0
Propagate flags like --sandbox to the daemon properly 2017-11-21 18:50:56 +01:00
Eelco Dolstra
91a1987607
signed-binary-caches -> require-sigs
Unlike signed-binary-caches (which could only be '*' or ''),
require-sigs is a proper Boolean option. The default is true.
2017-11-20 17:44:07 +01:00
Eelco Dolstra
7a2b64e55c
binary-cache-public-keys -> trusted-public-keys
The name had become a misnomer since it's not only for substitution
from binary caches, but when adding/copying any
(non-content-addressed) path to a store.
2017-11-20 17:32:34 +01:00
Eelco Dolstra
7474ac871b
nix copy: Abbreviate "daemon" 2017-11-20 15:17:11 +01:00
Eelco Dolstra
8956ae1987
Add a "profile" option to S3BinaryCacheStore
This allows specifying the AWS configuration profile to use. E.g.

  nix copy --from s3://my-cache?profile=aws-dev-account /nix/store/cf3isrlqavvd5w7rpky1fa8j9lcnlggm-...
2017-11-15 14:18:20 +01:00
Eelco Dolstra
ec5b04862b
nix sign-paths: Support binary caches 2017-11-14 18:44:05 +01:00
Eelco Dolstra
5773d667ee
nix ls-{nar,store}: Don't abort on missing files 2017-11-14 14:49:06 +01:00
Eelco Dolstra
4db0a9555e
nix ls-{nar,store} --json: Respect -R 2017-11-14 14:31:38 +01:00
Eelco Dolstra
bac8055652
nix ls-{store,nar}: Add --json flag 2017-11-14 14:23:53 +01:00
Eelco Dolstra
9d87d03331
Remove extraneous comment 2017-11-08 16:17:32 +01:00
Eelco Dolstra
513b143cd8
Merge pull request #1650 from copumpkin/darwin-sandbox-unix-socket
Always allow builds to use unix domain sockets in Darwin sandbox
2017-11-08 16:16:42 +01:00
Eelco Dolstra
dc30856141
Merge pull request #1632 from AmineChikhaoui/sigint-copy
run query paths in parallel during nix copy and handle SIGINT
2017-11-06 13:36:28 +01:00
Eelco Dolstra
9ccea31dc2
Merge pull request #1651 from LnL7/darwin-sandbox-getpwuid
Allow getpwuid in the darwin sandbox
2017-11-03 10:55:31 +01:00
Daiderd Jordan
453f675810
Allow getpwuid in the darwin sandbox. 2017-11-03 10:50:49 +01:00
Daniel Peebles
3105679226 Don't freak out if we get a 403 from S3
As far as we're concerned, not being able to access a file just means
the file is missing. Plus, AWS explicitly goes out of its way to
return a 403 if the file is missing and the requester doesn't have
permission to list the bucket.

Also getting rid of an old hack that Eelco said was only relevant
to an older AWS SDK.
2017-11-03 01:31:42 +01:00
Eelco Dolstra
1969f357b7
Add fetchMercurial primop
E.g.

  $ nix eval '(fetchMercurial https://www.mercurial-scm.org/repo/hello)'
  { branch = "default"; outPath = "/nix/store/alvb9y1kfz42bjishqmyy3pphnrh1pfa-source"; rev = "82e55d328c8ca4ee16520036c0aaace03a5beb65"; revCount = 1; shortRev = "82e55d328c8c"; }

  $ nix eval '(fetchMercurial { url = https://www.mercurial-scm.org/repo/hello; rev = "0a04b987be5ae354b710cefeba0e2d9de7ad41a9"; })'
  { branch = "default"; outPath = "/nix/store/alvb9y1kfz42bjishqmyy3pphnrh1pfa-source"; rev = "0a04b987be5ae354b710cefeba0e2d9de7ad41a9"; revCount = 0; shortRev = "0a04b987be5a"; }

  $ nix eval '(fetchMercurial /tmp/unclean-hg-tree)'
  { branch = "default"; outPath = "/nix/store/cm750cdw1x8wfpm3jq7mz09r30l9r024-source"; rev = "0000000000000000000000000000000000000000"; revCount = 0; shortRev = "000000000000"; }
2017-11-01 17:45:32 +01:00
Dan Peebles
bc6b3f7e8f Always allow builds to use unix domain sockets in Darwin sandbox 2017-10-31 15:33:57 +01:00
Eelco Dolstra
197922ea4e
Merge pull request #1646 from copumpkin/optional-sandbox-local-network
Allow optional localhost network access to sandboxed derivations
2017-10-30 18:54:40 +01:00
Dan Peebles
4a4a009f78 Allow optional localhost network access to sandboxed derivations
This will allow bind and connect to 127.0.0.1, which can reduce purity/
security (if you're running a vulnerable service on localhost) but is
also needed for a ton of test suites, so I'm leaving it turned off by
default but allowing certain derivations to turn it on as needed.

It also allows DNS resolution of arbitrary hostnames but I haven't found
a way to avoid that. In principle I'd just want to allow resolving
localhost but that doesn't seem to be possible.

I don't think this belongs under `build-use-sandbox = relaxed` because we
want it on Hydra and I don't think it's the end of the world.
2017-10-30 17:59:12 +01:00
Eelco Dolstra
812e027e1d
Add option allowed-uris
This allows network access in restricted eval mode.
2017-10-30 12:41:49 +01:00
Eelco Dolstra
f9686885be
enable-http2 -> http2 2017-10-30 11:00:59 +01:00
Eelco Dolstra
66ddbef754
fetchurl/fetchTarball: Respect name changes
The computation of urlHash didn't take the name into account, so
subsequent fetchurl calls with the same URL but a different name would
resolve to the same cached store path.
2017-10-30 10:22:58 +01:00
AmineChikhaoui
0f9a7225ab respect SIGINT in nix copy during the paths queries #1629 2017-10-25 16:51:45 +01:00
AmineChikhaoui
54a2cd9ce4 Merge branch 'master' of github.com:NixOS/nix into sigint-copy 2017-10-25 16:50:52 +01:00
Eelco Dolstra
9971d875a4
Fix building on clang
https://hydra.nixos.org/build/62945761
2017-10-25 17:20:47 +02:00
AmineChikhaoui
9f01a3f0a8 attempt to fix #1630: make the queries of store paths run in parallel using a thread pool 2017-10-25 16:13:49 +01:00
Eelco Dolstra
82327e3cc4
exportReferencesGraph: Allow exporting a list of store paths 2017-10-25 15:18:49 +02:00
Eelco Dolstra
3395e3bbc4
Fix exportReferencesGraph in the structured attrs case 2017-10-25 14:08:29 +02:00
Eelco Dolstra
2d5b1b24bf
Pass lists/attrsets to bash as (associative) arrays 2017-10-25 13:01:50 +02:00
Eelco Dolstra
d16fd24973
Allow shorter syntax for chroot stores
You can now say '--store /tmp/nix' instead of '--store local?root=/tmp/nix'.
2017-10-24 15:32:38 +02:00
Eelco Dolstra
3460e4cf00
More progress indicator improvements
In particular, don't show superfluous "fetching path" and "building
path(s)" messages, and show the current round (with --repeat).
2017-10-24 15:32:38 +02:00
Eelco Dolstra
96051dd057
More progress indicator improvements
Fixes #1599.
2017-10-24 14:47:23 +02:00
Eelco Dolstra
be220702a7
Progress indicator: Show on what machine we're building
E.g.

  $ nix build nixpkgs.hello --builders 'root@wendy'
  [1/0/1 built] building hello-2.10 on ssh://root@wendy: checking for minix/config.h... no
2017-10-24 14:24:57 +02:00
Eelco Dolstra
fe9d2f974d
Handle log messages from build-remote
This makes the progress indicator show statuses like "connecting to
'root@machine'".
2017-10-24 14:05:22 +02:00
Eelco Dolstra
0d59f1ca49
nix: Respect -I, --arg, --argstr
Also, random cleanup to argument handling.
2017-10-24 12:58:34 +02:00
Eelco Dolstra
25f32625e2
Remove the remote-builds option
This is superfluous since you can now just set "builders" to empty,
e.g. "--builders ''".
2017-10-24 11:00:16 +02:00
Eelco Dolstra
af241ae7d3
Remove the builder-files option
You can now include files via the "builders" option, using the syntax
"@<filename>". Having only one option makes it easier to override
builders completely.

For backward compatibility, the default is "@/etc/nix/machines", or
"@<filename>" for each file name in NIX_REMOTE_SYSTEMS.
2017-10-24 10:54:43 +02:00
Eelco Dolstra
37fbfffd8e
Pass all settings to build-remote
This ensures that command line flags such as --builders get passed
correctly.
2017-10-23 20:50:28 +02:00
Eelco Dolstra
f32cdc4fab
Turn $NIX_REMOTE into a configuration option 2017-10-23 20:50:28 +02:00
Eelco Dolstra
f31c66d392 Merge pull request #1616 from copumpkin/separate-darwin-sandbox
Shift Darwin sandbox to separate installed files
2017-10-20 12:00:27 +02:00
Eelco Dolstra
ef1d0142a0
Revert "Let's not populate the NAR cache from hydra-queue-runner for now"
This reverts commit 908590dc6c. Since
hydra-server can have a different store URI from hydra-queue-runner
now, we don't really need this.
2017-10-19 12:11:07 +02:00
Eelco Dolstra
908590dc6c
Let's not populate the NAR cache from hydra-queue-runner for now 2017-10-18 15:45:39 +02:00
Eelco Dolstra
75cd75b1ae
Errors writing to the NAR cache should not be fatal 2017-10-18 15:41:14 +02:00
Eelco Dolstra
d8306148e0
Suppress "copying 0 paths" message 2017-10-18 15:02:58 +02:00
Dan Peebles
6e5165b773 Shift Darwin sandbox to separate installed files
This makes it slightly more manageable to see at a glance what in a
build's sandbox profile is unique to the build and what is standard. Also
a first step to factoring more of our Darwin logic into scheme functions
that will allow us a bit more flexibility. And of course less of that
nasty codegen in C++! 😀
2017-10-17 19:15:51 -04:00
Eelco Dolstra
b24b8ef77c BinaryCacheStore::addToStore(): Add NARs to the local cache 2017-10-17 21:39:48 +02:00
Eelco Dolstra
ca580bec35 BinaryCacheStore: Support local caching of NARs
This speeds up commands like "nix cat-store". For example:

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nar-cache /nix/store/i60yncmq6w9dyv37zd2k454g0fkl3arl-systemd-234/etc/udev/udev.conf
  real    0m4.336s

  $ time nix cat-store --store https://cache.nixos.org?local-nar-cache=/tmp/nar-cache /nix/store/i60yncmq6w9dyv37zd2k454g0fkl3arl-systemd-234/etc/udev/udev.conf
  real    0m0.045s

The primary motivation is to allow hydra-server to serve files from S3
binary caches. Previously Hydra had a hack to do "nix-store -r
<path>", but that fetches the entire closure so is prohibitively
expensive.

There is no garbage collection of the NAR cache yet. Also, the entire
NAR is read when accessing a single member file. We could generate the
NAR listing to provide random access.

Note: the NAR cache is indexed by the store path hash, not the content
hash, so NAR caches should not be shared between binary caches, unless
you're sure that all your builds are binary-reproducible.
2017-10-17 21:15:33 +02:00
Eelco Dolstra
11ba4302e3 Remove BinaryCacheStoreAccessor
Probably as a result of a bad merge in
4b8f1b0ec0, we had both a
BinaryCacheStoreAccessor and a
RemoteFSAccessor. BinaryCacheStore::getFSAccessor() returned the
latter, but BinaryCacheStore::addToStore() checked for the
former. This probably caused hydra-queue-runner to download paths that
it just uploaded.
2017-10-17 20:51:42 +02:00
Eelco Dolstra
1dd29d7aeb
Add option to disable the seccomp filter
I needed this to test ACL/xattr removal in
canonicalisePathMetaData(). Might also be useful if you need to build
old Nixpkgs that doesn't have the required patches to remove
setuid/setgid creation.
2017-10-12 18:21:55 +02:00
Dan Peebles
476493dbf5 Reverse retry logic to retry in all but a few cases
It was getting too much like whac-a-mole listing all the retriable error
conditions, so we now retry by default and list the cases where retrying
is almost certainly hopeless.
2017-10-02 23:22:02 -04:00
Eelco Dolstra
aca4f7dff0
Don't remove Content-Encoding in fetchurl / nix-prefetch-url
Fixes #1568.
2017-09-18 11:07:28 +02:00
Eelco Dolstra
89dc62c174
RemoteStore: Add option to drop old connections from the pool
This is a hack to make hydra-queue-runner free its temproots
periodically, thereby ensuring that garbage collection of the
corresponding paths is not blocked until the queue runner is
restarted.

It would be better if temproots could be released earlier than at
process exit. I started working on a RAII object returned by functions
like addToStore() that releases temproots. However, this would be a
pretty massive change so I gave up on it for now.
2017-09-14 18:10:38 +02:00
Eelco Dolstra
308ecf6361
Show the pid of temporary roots 2017-09-14 15:02:52 +02:00
Eelco Dolstra
da1e4fdfb5
nix-store -q --roots / --gc --print-roots: Print temporary / in-memory roots
For example,

  $ nix-store -q --roots /nix/store/7phd2sav7068nivgvmj2vpm3v47fd27l-patchelf-0.8pre845_0315148
  {temp:1}

denotes that the path is only being kept alive by a temporary root
(i.e. /nix/var/nix/temproots/). Similarly,

  $ nix-store --gc --print-roots
  ...
  {memory:9} -> /nix/store/094gpjn9f15ip17wzxhma4r51nvsj17p-curl-7.53.1

shows that curl is being used by some process.
2017-09-14 14:38:36 +02:00
Eelco Dolstra
3ed8290e53
LegacySSHStore: Include signatures etc. 2017-09-08 16:55:27 +02:00
Eelco Dolstra
6a888ec29a
copyStorePath(): Fill in missing narHash regardless of checkSigs
I don't remember what the reasoning was here, but security is provided
by the signatures, not by whether the hash is provided by the other
store.
2017-09-08 14:48:08 +02:00
Eelco Dolstra
88e6bb76de Communicate the structured log FD to builders
Since we may use a dedicated file descriptor in the future, this
allows us to change it. So builders can do

  if [[ -n $NIX_LOG_FD ]]; then
    echo "@nix { message... }" >&$NIX_LOG_FD
  fi
2017-09-08 11:27:10 +02:00
Eelco Dolstra
1277aab219
Fix abort when the GC thread gets an exception 2017-09-06 11:37:58 +02:00
Eelco Dolstra
0b606aad46
Add automatic garbage collection
Nix can now automatically run the garbage collector during builds or
while adding paths to the store. The option "min-free = <bytes>"
specifies that Nix should run the garbage collector whenever free
space in the Nix store drops below <bytes>. It will then delete
garbage until "max-free" bytes are available.

Garbage collection during builds is asynchronous; running builds are
not paused and new builds are not blocked. However, there also is a
synchronous GC run prior to the first build/substitution.

Currently, no old GC roots are deleted (as in "nix-collect-garbage
-d").
2017-09-05 20:43:42 +02:00
Eelco Dolstra
b932ea58ec
GC: Don't delete own temproots file
Since file locks are per-process rather than per-file-descriptor, the
garbage collector would always acquire a lock on its own temproots
file and conclude that it's stale.
2017-09-05 20:39:57 +02:00
Eelco Dolstra
8215b75d36
Abort curl downloads if there is no progress for 5 minutes
Maybe this will fix the curl hangs on macOS. (We could also use
CURLOPT_TIMEOUT but that seems more of a sledgehammer.)
2017-09-01 16:51:26 +02:00
Eelco Dolstra
bbdf08bc0f
Call queryMissing() prior to building
Without this, substitute info is fetched sequentially, which is
superslow. In the old UI (e.g. nix-build), we call printMissing(),
which calls queryMissing(), thereby preheating the binary cache
cache. But the new UI doesn't do that.
2017-08-31 16:05:07 +02:00
Eelco Dolstra
fd73c1e20a
Add an activity for binary cache queries 2017-08-31 15:25:58 +02:00
Eelco Dolstra
c2154d4c84
Rename a few configuration options
In particular, drop the "build-" and "gc-" prefixes which are
pointless. So now you can say

  nix build --no-sandbox

instead of

  nix build --no-build-use-sandbox
2017-08-31 14:28:25 +02:00
Eelco Dolstra
2cc345b95f
Give activities a verbosity level again
And print them (separately from the progress bar) given sufficient -v
flags.
2017-08-28 19:13:24 +02:00
Eelco Dolstra
cfc8132391
Don't send progress messages to older clients 2017-08-28 18:54:23 +02:00
Eelco Dolstra
fe34b91289
Tunnel progress messages from the daemon to the client
This makes the progress bar work for non-root users.
2017-08-28 18:49:42 +02:00
Eelco Dolstra
94a0548dc4
Simplify 2017-08-25 21:26:37 +02:00
Eelco Dolstra
0ac35b67b8
Allow derivations to update the build phase
So the progress bar can show

  [1/0/1 built, 0.0 MiB DL] building hello-2.10 (configuring): checking whether pread is declared without a macro... yes
2017-08-25 18:04:05 +02:00
Eelco Dolstra
c137c0a5eb
Allow activities to be nested
In particular, this allows more relevant activities ("substituting X")
to supersede inferior ones ("downloading X").
2017-08-25 17:49:40 +02:00
Eelco Dolstra
0e9ddcc306
Restore activity metadata
This allows the progress bar to display "building perl-5.22.3" instead
of "building /nix/store/<hash>-perl-5.22.3.drv".
2017-08-25 15:58:35 +02:00
Eelco Dolstra
1f56235438
Clean up JSON construction 2017-08-21 12:18:46 +02:00
Eelco Dolstra
4af2611bd1
Allow builders to create activities
Actually, currently they can only create download activities. Thus,
downloads by builtins.fetchurl show up in the progress bar.
2017-08-21 12:18:46 +02:00
Eelco Dolstra
b4ed97e3a3
nix optimise-store: Show how much space has been freed 2017-08-16 20:56:03 +02:00
Eelco Dolstra
23b8b7e096
nix optimise-store: Add
This replaces "nix-store --optimise". Main difference is that it has a
progress indicator.
2017-08-16 20:56:03 +02:00
Eelco Dolstra
40bffe0a43
Progress indicator: Cleanup 2017-08-16 20:56:03 +02:00
Eelco Dolstra
dff12b38f9
Progress indicator: More improvements 2017-08-16 20:56:03 +02:00
Eelco Dolstra
bf1f123b09
Progress indicator: Show number of active items 2017-08-16 20:56:03 +02:00
Eelco Dolstra
0e0dcf2c7e
Progress indicator: Unify "copying" and "substituting"
They're the same thing after all.

Example:

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 49/98 copied, 16.3/92.8 MiB DL, 55.8/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/0pl9li1jigcj2dany47hpmn0r3r48wc4nz48v5mqhh426lgz3bz6.nar.xz'
2017-08-16 20:56:03 +02:00
Eelco Dolstra
c36467ad2e
Improve substitution progress indicator
E.g.

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 1/97/98 fetched, 65.8/92.8 MiB DL, 203.2/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/1czm9fk0svacy4h6a3fzkpafi4f7a9gml36kk8cq1igaghbspg3k.nar.xz'
2017-08-16 20:56:02 +02:00
Eelco Dolstra
b29b6feaba
nix copy: Improve progress indicator
It now shows the amount of data copied:

  [8/1038 copied, 160.4/1590.9 MiB copied] copying path '...'
2017-08-16 20:56:02 +02:00
Eelco Dolstra
c5e4404580
nix copy: Revive progress bar 2017-08-16 20:56:02 +02:00
Eelco Dolstra
e4bd42f98f
Disallow SSH host names starting with a dash 2017-08-16 20:55:58 +02:00
Eelco Dolstra
b6ee5e5bf0
Style fix 2017-08-10 13:51:07 +02:00
Eelco Dolstra
af765a8eab
Use /proc/self/fd to efficiently close all FDs on Linux
Issue #1506.
2017-08-09 16:22:05 +02:00
Eelco Dolstra
a2778988f2
Merge branch 'macOS' of https://github.com/davidak/nix 2017-07-31 10:31:51 +02:00
Jörg Thalheim
2fd8f8bb99 Replace Unicode quotes in user-facing strings by ASCII
Relevant RFC: NixOS/rfcs#4

$ ag -l | xargs sed -i -e "/\"/s/’/'/g;/\"/s/‘/'/g"
2017-07-30 12:32:45 +01:00
davidak
fcb8d6a7a0 replace "OS X" with "macOS" 2017-07-30 12:28:50 +02:00
Eelco Dolstra
fc3568e263
FD_SETSIZE check: BuildError -> Error
BuildError denotes a permanent build failure, which is not the case
here.
2017-07-20 13:33:13 +02:00
Dmitry Kalinkin
d5e1bffd2a
Do not try to fill fd_set with fd>=FD_SETSIZE
This is UB and causes buffer overflow and crash on linux.
2017-07-18 17:51:50 -04:00
Eelco Dolstra
bf6792c0df
Always use base-16 for hashed mirror lookups
In particular, don't use base-64, which we don't support. (We do have
base-32 redirects for hysterical reasons.)

Also, add a test for the hashed mirror feature.
2017-07-17 13:13:18 +02:00
Eelco Dolstra
49304bae81
Make the hashes mirrors used by builtins.fetchurl configurable
In particular, this allows it to be disabled in our tests.
2017-07-17 13:07:08 +02:00
Eelco Dolstra
4ec6eb1fdf
Fix accidental printError 2017-07-17 11:38:15 +02:00
Eelco Dolstra
766ad5db3b
nix path-info: Show download sizes for binary cache stores
E.g.

  $ nix path-info --json --store https://cache.nixos.org nixpkgs.thunderbird -S
  ...
      "downloadHash": "sha256:1jlixpzi225wwa0f4xdrwrqgi47ip1qpj9p06fyxxg07sfmyi4q0",
      "downloadSize": 43047620,
      "closureDownloadSize": 84745960
    }
  ]
2017-07-14 18:29:10 +02:00
Eelco Dolstra
3908d3929c
nix path-info: Don't barf on invalid paths
Now you get

  [
    {
      "path": "/nix/store/fzvliz4j5xzvnd0w5zgw2l0ksqh578yk-bla",
      "valid": false
    }
  ]
2017-07-14 18:29:10 +02:00
Eelco Dolstra
8e8caf7f3e fetchTarball: Prevent concurrent downloads of the same file
Fixes #849.
2017-07-11 23:21:24 +02:00
Eelco Dolstra
d3713716b6 Merge pull request #1445 from matthewbauer/macos-skip-hardlink
Don’t hardlink disallowed paths in OS X.
2017-07-07 11:05:21 +02:00
Matthew Bauer
72e80c59b5 Don’t hardlink disallowed paths in OS X.
Fixes #1443
2017-07-06 19:30:19 -07:00
Eelco Dolstra
a3dc1e65ab
Add X32 to the seccomp filter
Fixes #1432.
2017-07-04 19:00:51 +02:00
Eelco Dolstra
42c5774e78
Sort substituters by priority
Fixes #1438.
2017-07-04 16:34:53 +02:00
Eelco Dolstra
b7203e853e
getDefaultSubstituters(): Simplify initialisation
As shlevy pointed out, static variables in C++11 have thread-safe
initialisation.
2017-07-04 16:26:48 +02:00
Eelco Dolstra
6cf23c3e8f
Add allow-new-privileges option
This allows builds to call setuid binaries. This was previously
possible until we started using seccomp. Turns out that seccomp by
default disallows processes from acquiring new privileges. Generally,
any use of setuid binaries (except those created by the builder
itself) is by definition impure, but some people were relying on this
ability for certain tests.

Example:

  $ nix build '(with import <nixpkgs> {}; runCommand "foo" {} "/run/wrappers/bin/ping -c 1 8.8.8.8; exit 1")' --no-allow-new-privileges
  builder for ‘/nix/store/j0nd8kv85hd6r4kxgnwzvr0k65ykf6fv-foo.drv’ failed with exit code 1; last 2 log lines:
    cannot raise the capability into the Ambient set
    : Operation not permitted

  $ nix build '(with import <nixpkgs> {}; runCommand "foo" {} "/run/wrappers/bin/ping -c 1 8.8.8.8; exit 1")' --allow-new-privileges
  builder for ‘/nix/store/j0nd8kv85hd6r4kxgnwzvr0k65ykf6fv-foo.drv’ failed with exit code 1; last 6 log lines:
    PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
    64 bytes from 8.8.8.8: icmp_seq=1 ttl=46 time=15.2 ms

Fixes #1429.
2017-07-04 15:48:25 +02:00
Eelco Dolstra
c0015e87af
Support base-64 hashes
Also simplify the Hash API.

Fixes #1437.
2017-07-04 15:07:41 +02:00
Eelco Dolstra
fcca702a96
Replace a few bool flags with enums
Functions like copyClosure() had 3 bool arguments, which creates a
severe risk of mixing up arguments.

Also, implement copyClosure() using copyPaths().
2017-07-03 11:38:08 +02:00
David McFarland
596b0e0a04 Call SetDllDirectory("") after sqlite3 init on cygwin
Cygwin sqlite3 is patched to call SetDllDirectory("/usr/bin") on init, which
affects the current process and is inherited by child processes.  It causes
DLLs to be loaded from /usr/bin/ before $PATH, which breaks all sorts of
things.  A typical failures would be header/lib version mismatches (e.g.
openssl when running checkPhase on openssh).  We'll just set it back to the
default value.

Note that this is a problem with the cygwin version of sqlite3 (currently
3.18.0).  nixpkgs doesn't have the problematic patch.
2017-06-20 10:59:13 -03:00
Eelco Dolstra
a1355917ec
Disable use of virtual hosting in aws-sdk-cpp
Recently aws-sdk-cpp quietly switched to using S3 virtual host URIs
(https://github.com/aws/aws-sdk-cpp/commit/69d9c53882), i.e. it sends
requests to http://<bucket>.<region>.s3.amazonaws.com rather than
http://<region>.s3.amazonaws.com/<bucket>. However this interacts
badly with curl connection reuse. For example, if we do the following:

1) Check whether a bucket exists using GetBucketLocation.
2) If it doesn't, create it using CreateBucket.
3) Do operations on the bucket.

then 3) will fail for a minute or so with a NoSuchBucket exception,
presumably because the server being hit is a fallback for cases when
buckets don't exist.

Disabling the use of virtual hosts ensures that 3) succeeds
immediately. (I don't know what S3's consistency guarantees are for
bucket creation, but in practice buckets appear to be available
immediately.)
2017-06-19 18:51:33 +02:00
Eelco Dolstra
82a0d614cf
Support creating S3 caches in other regions than us-east-1 2017-06-19 18:51:33 +02:00
Eelco Dolstra
b33621d425
Handle S3Errors::RESOURCE_NOT_FOUND from aws-sdk-cpp
This is returned by recent versions. Also handle NO_SUCH_KEY even
though the library doesn't actually return that at the moment.
2017-06-19 18:51:32 +02:00
Eelco Dolstra
1c969611ba
Suppress "will retry in N ms" for non-retriable errors
Newer versions of aws-sdk-cpp call CalculateDelayBeforeNextRetry()
even for non-retriable errors (like NoSuchKey) whih causes log spam in
hydra-queue-runner.
2017-06-19 18:51:32 +02:00
Eelco Dolstra
00aa7c6705
Show aws-sdk-cpp log messages 2017-06-19 18:51:32 +02:00
Eelco Dolstra
1888f7889b
macOS: Ugly hack to make the tests succeed
Sandboxes cannot be nested, so if Nix's build runs inside a sandbox,
it cannot use a sandbox itself. I don't see a clean way to detect
whether we're in a sandbox, so use a test-specific hack.

https://github.com/NixOS/nix/issues/1413
2017-06-19 14:26:05 +02:00
Eelco Dolstra
b5bdfdef73
macOS: Remove flags
In particular, UF_IMMUTABLE (uchg) needs to be cleared to allow the
path to be garbage-collected or optimised.

See https://github.com/NixOS/nixpkgs/issues/25819.
+       the file from being garbage-collected.
2017-06-19 14:19:21 +02:00
Eelco Dolstra
38b7d55af1
Remove redundant debug line 2017-06-14 13:45:38 +02:00
Eelco Dolstra
88b291ffc4
canonicalisePathMetaData(): Ignore security.selinux attribute
Untested, hopefully fixes #1406.
2017-06-14 11:41:03 +02:00
Eelco Dolstra
847f19a5f7
Provide a builtin default for $NIX_SSL_CERT_FILE
This is mostly to ensure that when Nix is started on macOS via a
launchd service or sshd (for a remote build), it gets a certificate
bundle.
2017-06-12 16:44:43 +02:00
Eelco Dolstra
7f5b750b40
Don't run pre-build-hook if we don't have a derivation
This fixes a build failure on OS X when using Hydra or Nix 1.12's
build-remote (since they don't copy the derivation to the build
machine).
2017-06-12 16:07:34 +02:00
Eelco Dolstra
186571965d
Don't show flags from config settings in "nix --help" 2017-06-07 18:41:20 +02:00
Eelco Dolstra
b8283773bd
nix: Make all options available as flags
Thus, instead of ‘--option <name> <value>’, you can write ‘--<name>
<value>’. So

  --option http-connections 100

becomes

  --http-connections 100

Apart from brevity, the difference is that it's not an error to set a
non-existent option via --option, but unrecognized arguments are
fatal.

Boolean options have special treatment: they're mapped to the
argument-less flags ‘--<name>’ and ‘--no-<name>’. E.g.

  --option auto-optimise-store false

becomes

  --no-auto-optimise-store
2017-06-07 16:17:17 +02:00
Eelco Dolstra
c8cc50d46e
Disable the build user mechanism on all platforms except Linux and OS X 2017-06-06 18:52:15 +02:00
Eelco Dolstra
85e93d7b87
Always use the Darwin sandbox
Even with "build-use-sandbox = false", we now use sandboxing with a
permissive profile that allows everything except the creation of
setuid/setgid binaries.
2017-06-06 18:44:49 +02:00
Eelco Dolstra
52fec8dde8
Remove listxattr assertion
It appears that sometimes, listxattr() returns a different value for
the query case (i.e. when the buffer size is 0).
2017-05-31 20:43:47 +02:00
Eelco Dolstra
c96e8cd097
OS X sandbox: Improve builtin sandbox profile
Also, add rules to allow fixed-output derivations to access the
network.

These rules are sufficient to build stdenvDarwin without any
__sandboxProfile magic.
2017-05-31 17:25:51 +02:00
Eelco Dolstra
44f3f8048f OS X sandbox: Don't use a deterministic $TMPDIR
This doesn't work because the OS X sandbox cannot bind-mount
path to a different location.
2017-05-31 14:09:00 +02:00
Eelco Dolstra
c740c3ce50 OS X sandbox: Store .sb file in $TMPDIR rather than the Nix store
The filename used was not unique and owned by the build user, so
builds could fail with

error: while setting up the build environment: cannot unlink ‘/nix/store/99i210ihnsjacajaw8r33fmgjvzpg6nr-bison-3.0.4.drv.sb’: Permission denied
2017-05-31 14:09:00 +02:00
Eelco Dolstra
acc889c821
Darwin sandbox: Use sandbox-defaults.sb
Issue #759.

Also, remove nix.conf from the sandbox since I don't really see a
legitimate reason for builders to access the Nix configuration.
2017-05-30 17:40:12 +02:00
Eelco Dolstra
53a1644187
Darwin sandbox: Disallow creating setuid/setgid binaries
Suggested by Daiderd Jordan.
2017-05-30 17:17:17 +02:00
Eelco Dolstra
fe08d17934
Fix seccomp build failure on clang
Fixes

  src/libstore/build.cc:2321:45: error: non-constant-expression cannot be narrowed from type 'int' to 'scmp_datum_t' (aka 'unsigned long') in initializer list [-Wc++11-narrowing]
2017-05-30 14:37:24 +02:00
Eelco Dolstra
d552d38758
Shut up some clang warnings 2017-05-30 14:35:50 +02:00
Eelco Dolstra
2ac99a32da
Add a seccomp rule to disallow setxattr() 2017-05-30 13:59:24 +02:00
Eelco Dolstra
d798349ede
canonicalisePathMetaData(): Remove extended attributes / ACLs
EAs/ACLs are not part of the NAR canonicalisation. Worse, setting an
ACL allows a builder to create writable files in the Nix store. So get
rid of them.

Closes #185.
2017-05-30 13:47:41 +02:00
Eelco Dolstra
ff6becafa8
Require seccomp only in multi-user setups 2017-05-30 12:37:04 +02:00
Eelco Dolstra
cf93397d3f
Fix seccomp initialisation on i686-linux 2017-05-29 16:14:10 +02:00
Eelco Dolstra
6cc6c15a2d
Add a seccomp filter to prevent creating setuid/setgid binaries
This prevents builders from setting the S_ISUID or S_ISGID bits,
preventing users from using a nixbld* user to create a setuid/setgid
binary to interfere with subsequent builds under the same nixbld* uid.

This is based on aszlig's seccomp code
(47f587700d).

Reported by Linus Heckemann.
2017-05-29 16:14:10 +02:00
Eelco Dolstra
6e01ecd112
Fix nix-copy-closure test
Fixes

  client# error: size mismatch importing path ‘/nix/store/ywf5fihjlxwijm6ygh6s0a353b5yvq4d-libidn2-0.16’; expected 0, got 120264

This is mostly an artifact of the NixOS VM test environment, where the
Nix database doesn't contain hashes/sizes.

http://hydra.nixos.org/build/53537471
2017-05-29 16:08:56 +02:00
Eelco Dolstra
63145be2a5
Fix typo 2017-05-29 15:52:36 +02:00
Eelco Dolstra
edbb105e98
Merge branch 'nar-accessor-tree' of https://github.com/bennofs/nix 2017-05-24 11:04:43 +02:00
Eelco Dolstra
b01d62285c
Improve progress indicator 2017-05-16 16:09:57 +02:00
Benno Fünfstück
a1f428b13b nar-accessor.cc: remove unused member NarIndexer::currentName 2017-05-15 19:41:59 +02:00
Benno Fünfstück
5ee06e612a nar-accessor: non-recursive NarMember::find
This avoids a possible stack overflow if directories are very deeply nested.
2017-05-15 19:34:18 +02:00
Eelco Dolstra
e80257f122
Simplify fixed-output check 2017-05-15 18:50:54 +02:00
Eelco Dolstra
a2d92bb20e
Add --with-sandbox-shell configure flag
And add a 116 KiB ash shell from busybox to the release build. This
helps to make sandbox builds work out of the box on non-NixOS systems
and with diverted stores.
2017-05-15 17:36:32 +02:00
Eelco Dolstra
b30f5784d0
Linux sandbox: Don't barf on invalid paths
This is useful when we're using a diverted store (e.g. "--store
local?root=/tmp/nix") in conjunction with a statically-linked sh from
the host store (e.g. "sandbox-paths =/bin/sh=/nix/store/.../bin/busybox").
2017-05-15 17:36:32 +02:00
Benno Fünfstück
75a1d9849d nar-accessor: use tree, fixes readDirectory missing children
Previously, if a directory `foo` existed and a file `foo-` (where `-` is any character that is sorted before `/`), then  `readDirectory` would return an empty list.

To fix this, we now use a tree where we can just access the children of the node, and do not need to rely on sorting behavior to list the contents of a directory.
2017-05-15 10:23:16 +02:00
Eelco Dolstra
510bc1735b
Add an option for extending the user agent header
This is useful e.g. for distinguishing traffic to a binary cache
(e.g. certain machines can use a different tag in the user agent).
2017-05-11 15:10:22 +02:00
Eelco Dolstra
62d476c7ee
Fix typo 2017-05-11 14:02:03 +02:00
Eelco Dolstra
ea65ae0f9c
Tweak error message 2017-05-11 13:59:47 +02:00
Eelco Dolstra
6f245bf24a
Change the meaning of info.ultimate
It now means "paths that were built locally". It no longer includes
paths that were added locally. For those we don't need info.ultimate,
since we have the content-addressability assertion (info.ca).
2017-05-11 13:31:23 +02:00
Eelco Dolstra
45d7b1a9e9
LocalStore::addToStore(): Check info.narSize
It allowed the client to specify bogus narSize values. In particular,
Downloader::downloadCached wasn't setting narSize at all.
2017-05-11 13:26:03 +02:00
Eelco Dolstra
7689181e4f
Minor cleanup 2017-05-08 15:56:52 +02:00
Eelco Dolstra
00b286275c
Linux sandbox: Fix compatibility with older kernels 2017-05-08 15:42:59 +02:00
Eelco Dolstra
0a97eb6bd7
Remove superfluous #ifdef 2017-05-08 11:27:20 +02:00
Eelco Dolstra
bb50c89319
Make the location of the build directory in the sandbox configurable
This is mostly for use in the sandbox tests, since if the Nix store is
under /build, then we can't use /build as the build directory.
2017-05-05 17:45:22 +02:00
Eelco Dolstra
eba840c8a1
Linux sandbox: Use /build instead of /tmp as $TMPDIR
There is a security issue when a build accidentally stores its $TMPDIR
in some critical place, such as an RPATH. If
TMPDIR=/tmp/nix-build-..., then any user on the system can recreate
that directory and inject libraries into the RPATH of programs
executed by other users. Since /build probably doesn't exist (or isn't
world-writable), this mitigates the issue.
2017-05-04 16:57:03 +02:00
Eelco Dolstra
c5bea16611
LocalStoreAccessor: Fix handling of diverted stores 2017-05-02 15:46:09 +02:00
Eelco Dolstra
7f6837a0f6
Replace $NIX_REMOTE_SYSTEMS with an option "builder-files"
Also, to unify with hydra-queue-runner, allow it to be a list of
files.
2017-05-02 15:46:09 +02:00
Eelco Dolstra
cd4d2705ec
build-remote: Fix fallback to other machines when connecting fails
Opening an SSHStore or LegacySSHStore does not actually establish a
connection, so the try/catch block here did nothing. Added a
Store::connect() method to test whether a connection can be
established.
2017-05-02 15:46:09 +02:00
Eelco Dolstra
1a68710d4d
Add an option for specifying remote builders
This is useful for one-off situations where you want to specify a
builder on the command line instead of having to mess with
nix.machines. E.g.

  $ nix-build -A hello --argstr system x86_64-darwin \
    --option builders 'root@macstadium1 x86_64-darwin'

will perform the specified build on "macstadium1".

It also removes the need for a separate nix.machines file since you
can specify builders in nix.conf directly. (In fact nix.machines is
yet another hack that predates the general nix.conf configuration
file, IIRC.)

Note: this option is supported by the daemon for trusted users. The
fact that this allows trusted users to specify paths to SSH keys to
which they don't normally have access is maybe a bit too much trust...
2017-05-02 15:42:43 +02:00
Eelco Dolstra
ebc9f36a81
Factor out machines.conf parsing
This allows hydra-queue-runner to use it.
2017-05-02 13:17:37 +02:00
Eelco Dolstra
174b68a2a2
build-hook: If there are no machines defined, quit permanently 2017-05-02 12:16:29 +02:00
Eelco Dolstra
feefcb3a98
build-remote: Ugly hackery to get build logs to work
The build hook mechanism expects build log output to go to file
descriptor 4, so do that.
2017-05-02 12:02:23 +02:00
Eelco Dolstra
3a5f04f48c
build-remote: Don't require signatures
This restores the old behaviour.
2017-05-01 20:03:25 +02:00
Eelco Dolstra
031d70e500
Support arbitrary store URIs in nix.machines
For backwards compatibility, if the URI is just a hostname, ssh://
(i.e. LegacySSHStore) is prepended automatically.

Also, all fields except the URI are now optional. For example, this is
a valid nix.machines file:

  local?root=/tmp/nix

This is useful for testing the remote build machinery since you don't
have to mess around with ssh.
2017-05-01 17:35:30 +02:00
Eelco Dolstra
deac171925
Implement LegacySSHStore::buildDerivation()
This makes LegacySSHStore usable by build-remote and
hydra-queue-runner.
2017-05-01 17:30:16 +02:00
Eelco Dolstra
3f5b98e65a
Chomp log output from the build hook 2017-05-01 17:30:16 +02:00
Eelco Dolstra
d7653dfc6d
Remove $NIX_BUILD_HOOK and $NIX_CURRENT_LOAD
This is to simplify remote build configuration. These environment
variables predate nix.conf.

The build hook now has a sensible default (namely build-remote).

The current load is kept in the Nix state directory now.
2017-05-01 17:30:16 +02:00
Eelco Dolstra
ca9f589a93
build-remote: Don't copy the .drv closure
Since build-remote uses buildDerivation() now, we don't need to copy
the .drv file anymore. This greatly reduces the set of input paths
copied to the remote side (e.g. from 392 to 51 store paths for GNU
hello on x86_64-darwin).
2017-05-01 17:30:16 +02:00
Eelco Dolstra
b986c7f8b1
Pass verbosity level to build hook 2017-05-01 14:43:14 +02:00
Eelco Dolstra
227a48f86f
Reduce severity of EMLINK warnings
Fixes #1357.
2017-05-01 14:36:56 +02:00
Eelco Dolstra
0dddcf867a
Add a dummy Store::buildPaths() method
This default implementation of buildPaths() does nothing if all
requested paths are already valid, and throws an "unsupported
operation" error otherwise. This fixes a regression introduced by
c30330df6f in binary cache and legacy
SSH stores.
2017-05-01 13:43:34 +02:00
Eelco Dolstra
a1a5e63e14
Fix brainfart 2017-04-28 16:21:54 +02:00
Shea Levy
4bc00760f9 Add Store nesting to fix import-from-derivation within filterSource 2017-04-26 14:15:47 -04:00
Eelco Dolstra
1bb87c0487
Remove debug statement 2017-04-24 15:01:28 +02:00
Eelco Dolstra
749696e71c
Detect lsof
Also, don't use lsof on Linux since it's not needed.

Fixes #1328.
2017-04-20 19:11:45 +02:00
Eelco Dolstra
efa4bdbfcd
Improve nix show-config --json
In particular, show descriptions. This could be used for manpage
generation etc.
2017-04-20 17:34:47 +02:00
Eelco Dolstra
4410e9d995
Setting: Remove "Tag" template argument 2017-04-20 16:52:53 +02:00
Eelco Dolstra
f05d5f89ff
Read per-user settings from ~/.config/nix/nix.conf 2017-04-20 14:58:16 +02:00
Eelco Dolstra
562585e901
binary-caches-parallel-connections -> http-connections 2017-04-20 14:04:00 +02:00
Eelco Dolstra
76cb3c702c
Reimplement trusted-substituters (aka trusted-binary-caches) 2017-04-20 13:41:29 +02:00
Eelco Dolstra
9cc8047f44
Reimplement connect-timeout
Fixes #1339.
2017-04-19 14:54:52 +02:00
Eelco Dolstra
f8a2e8a552
Shut up some warnings 2017-04-14 14:42:20 +02:00
Eelco Dolstra
dd3714f6ef
Doh 2017-04-14 14:42:08 +02:00
Eelco Dolstra
ba9ad29fdb
Convert Settings to the new config system
This makes all config options self-documenting.

Unknown or unparseable config settings and --option flags now cause a
warning.
2017-04-13 20:53:23 +02:00
Eelco Dolstra
1860070548
Merge branch 'rework-options' of https://github.com/copumpkin/nix 2017-04-13 16:15:51 +02:00
Eelco Dolstra
2040240e23
Add a Config class to simplify adding configuration settings
The typical use is to inherit Config and add Setting<T> members:

  class MyClass : private Config
  {
    Setting<int> foo{this, 123, "foo", "the number of foos to use"};
    Setting<std::string> bar{this, "blabla", "bar", "the name of the bar"};

    MyClass() : Config(readConfigFile("/etc/my-app.conf"))
    {
      std::cout << foo << "\n"; // will print 123 unless overriden
    }
  };

Currently, this is used by Store and its subclasses for store
parameters. You now get a warning if you specify a non-existant store
parameter in a store URI.
2017-04-13 16:03:31 +02:00
Eelco Dolstra
1fe1976e0d Merge pull request #1316 from copumpkin/nix-retries-default
Default to 5 download retries
2017-04-10 15:58:57 +02:00
Dan Peebles
d1fdade755 Add CURLE_WRITE_ERROR as a transient error condition
We've observed it failing downloads in the wild and retrying the same URL
a few moments later seemed to fix it.
2017-04-10 09:28:44 -04:00
Dan Peebles
e43e8be8e7 Default to 5 download retries
This should help certain downloaders that don't request anything special
for the number of retries, like nix-channel.
2017-04-10 09:22:24 -04:00
Eelco Dolstra
105f8ffc98
Minor cleanup
Also, possible fix for #1310 on 32-bit systems.
2017-04-10 11:27:33 +02:00
Eelco Dolstra
95295482ea
Allow "auto" as a store URI
Using the empty string is likely to be ambiguous in some contexts.
2017-04-10 11:27:29 +02:00
Dan Peebles
98283915f5 Retry downloads on transient SSL errors too 2017-04-06 18:18:43 +00:00
Eelco Dolstra
ba20730b3f
Implement RemoteStore::queryMissing()
This provides a significant speedup, e.g. 64 s -> 12 s for

  nix-build --dry-run -I nixpkgs=channel:nixos-16.03 '<nixpkgs/nixos/tests/misc.nix>' -A test

on a cold local and CloudFront cache.

The alternative is to use lots of concurrent daemon connections but
that seems wasteful.
2017-04-06 18:40:19 +02:00
Eelco Dolstra
6b5e271163
Add a method to allow hydra-queue-runner to flush the path info cache 2017-04-06 15:22:37 +02:00
Eelco Dolstra
256940fc48
nix-daemon: Disable path info cache
This is useless because the client also caches path info, and can
cause problems for long-running clients like hydra-queue-runner
(i.e. it may return cached info about paths that have been
garbage-collected).
2017-04-06 14:30:31 +02:00
Eelco Dolstra
8decb07c31
Allow default sandbox paths to be overriden
E.g. you can now redirect /etc/resolv.conf to a different file.
2017-04-04 17:54:16 +02:00
Eelco Dolstra
488792a87d
Make /var/run/nscd/socket optional
Not every distribution uses nscd.
2017-04-04 17:40:50 +02:00
Eelco Dolstra
29d35805c6
Sandbox: Fix /dev/ptmx on recent kernels
This fixes "No such file or directory" when opening /dev/ptmx
(e.g. http://hydra.nixos.org/build/51094249).

The reason appears to be some changes to /dev/ptmx / /dev/pts handling
between Linux 4.4 and 4.9. See
https://patchwork.kernel.org/patch/7832531/.

The fix is to go back to mounting a proper /dev/pts instance inside
the sandbox. Happily, this now works inside user namespaces, even for
unprivileged users. So

  NIX_REMOTE=local?root=/tmp/nix nix-build \
    '<nixpkgs/nixos/tests/misc.nix>' -A test

works for non-root users.

The downside is that the fix breaks sandbox builds on older kernels
(probably pre-4.6), since mounting a devpts fails inside user
namespaces for some reason I've never been able to figure out. Builds
on those systems will fail with

  error: while setting up the build environment: mounting /dev/pts: Invalid argument

Ah well.
2017-03-31 18:20:19 +02:00
Shea Levy
d299bd710a Merge branch 'builtins.exec' 2017-03-31 11:22:39 -04:00
Eelco Dolstra
e1509adbbb
Retry curl error 16 2017-03-31 15:50:11 +02:00
Shea Levy
0bb8db257d Add exec primop behind allow-unsafe-native-code-during-evaluation.
Execute a given program with the (optional) given arguments as the
user running the evaluation, parsing stdout as an expression to be
evaluated.

There are many use cases for nix that would benefit from being able to
run arbitrary code during evaluation, including but not limited to:

* Automatic git fetching to get a sha256 from a git revision
* git rev-parse HEAD
* Automatic extraction of information from build specifications from
  other tools, particularly language-specific package managers like
  cabal or npm
* Secrets decryption (e.g. with nixops)
* Private repository fetching

Ideally, we would add this functionality in a more principled way to
nix, but in the mean time 'builtins.exec' can be used to get these
tasks done.

The primop is only available when the
'allow-unsafe-native-code-during-evaluation' nix option is true. That
flag also enables the 'importNative' primop, which is strictly more
powerful but less convenient (since it requires compiling a plugin
against the running version of nix).
2017-03-30 08:04:21 -04:00
Eelco Dolstra
c60715e937
Ignore broken "Deriver: unknown-deriver" fields in .narinfo
These were generated by a legacy tool.
2017-03-28 13:08:13 +02:00
Eelco Dolstra
895a74a814
LocalFSStore::getBuildLog(): Handle corrupted logs 2017-03-21 19:23:35 +01:00
Eelco Dolstra
e1e49c58e1
Only use cache.nixos.org when the store is /nix/store
This is consistent with the behaviour of the old
download-from-binary-cache substituter.
2017-03-21 17:59:18 +01:00
Eelco Dolstra
ecbc3fedd3
Require signatures by default
This corresponds to the NixOS default.
2017-03-21 15:10:48 +01:00
Eelco Dolstra
4bb38591e5
Restore cache.nixos.org as the default substituter
Fixes #1283.
2017-03-21 15:06:46 +01:00
Eelco Dolstra
f8b84a3b8c
Move istringstream_nocopy to a separate file 2017-03-21 14:43:03 +01:00
Eelco Dolstra
3229f85585
Honor $NIX_SSHOPTS again
NixOps needs this.
2017-03-21 14:35:50 +01:00
Eelco Dolstra
20df50d8e1
Merge branch 'darwin-s3-binary-cache-store' of https://github.com/shlevy/nix 2017-03-20 17:46:35 +01:00
Eelco Dolstra
287084d688
ssh:// -> ssh-ng://, legacy-ssh:// -> ssh:// 2017-03-16 14:19:32 +01:00
Eelco Dolstra
c5b83d8913
copyPaths(): Use queryValidPaths() to reduce SSH latency 2017-03-16 13:50:01 +01:00
Eelco Dolstra
91d67692cf
copyPaths(): Don't query path info for a path the target already has
For example, this cuts "nix-copy-closure --from" on a NixOS system
closure from 15.9s to 0.5s.
2017-03-16 12:05:51 +01:00
Eelco Dolstra
ea7fa88131
LegacySSHStore: Provide a faster implementation of computeFSClosure()
This avoids the latency of the standard implementation, which can make
a huge difference (e.g. 16.5s -> 0.5s on a NixOS system closure).
2017-03-16 11:44:52 +01:00
Eelco Dolstra
7a716ef2a5
Fix nix-copy-closure --to 2017-03-16 10:58:48 +01:00
Eelco Dolstra
0ec7f47b00
Remove "killing process <pid>" messages
They convey no useful information.
2017-03-16 10:52:28 +01:00
Eelco Dolstra
3f35612c04
More precise compression settings 2017-03-15 17:20:19 +01:00
Eelco Dolstra
25dff2b7db
runProgram(): Distinguish between empty input and no input
For example, if we call brotli with an empty input, it shouldn't read
from the caller's stdin.
2017-03-15 16:50:19 +01:00
Eelco Dolstra
042975ea8e
Compress NAR listings using the "text-compression" method
So if "text-compression=br", the .ls file in S3 will get a
Content-Encoding of "br". Brotli appears to compress better than xz
for this kind of file and is natively supported by browsers.
2017-03-15 16:50:19 +01:00
Eelco Dolstra
45c70382ac
S3BinaryCacheStore: Set Content-Type
This is necessary for serving log files to browsers.
2017-03-15 16:50:19 +01:00
Eelco Dolstra
8b1d65bebe
S3BinaryCacheStore: Support compression of narinfo and log files
You can now set the store parameter "text-compression=br" to compress
textual files in the binary cache (i.e. narinfo and logs) using
Brotli. This sets the Content-Encoding header; the extension of
compressed files is unchanged.

You can separately specify the compression of log files using
"log-compression=br". This is useful when you don't want to compress
narinfo files for backward compatibility.
2017-03-15 16:49:28 +01:00
Eelco Dolstra
e8186085e0
Add support for brotli compression
Build logs on cache.nixos.org are compressed using Brotli (since this
allows them to be decompressed automatically by Chrome and Firefox),
so it's handy if "nix log" can decompress them.
2017-03-15 16:49:06 +01:00
Eelco Dolstra
532d73d5d8
BinaryCacheStore: Implement getBuildLog()
We assume that build logs are stored under log/<drv>, e.g.

  /nix/store/q7ab198v13p0f8x8wgnd75dva7d5mip6-friday-devil-0.1.1.1.drv

maps to

  https://cache.nixos.org/log/q7ab198v13p0f8x8wgnd75dva7d5mip6-friday-devil-0.1.1.1.drv
2017-03-15 16:48:29 +01:00
Eelco Dolstra
0afeb7f51e
Store: Add a method for getting build logs
This allows various Store implementations to provide different ways to
get build logs. For example, BinaryCacheStore can get the build logs
from the binary cache.

Also, remove the log-servers option since we can use substituters for
this.
2017-03-15 16:48:29 +01:00
Shea Levy
96443e94a1 Merge branch 'configurable-aws-region' 2017-03-12 10:01:11 -04:00
Shea Levy
93f863be96 Add option to disable import-from-derivation completely, even if the drv is already realized 2017-03-08 08:46:12 -05:00
Shea Levy
3cc18d3753 Properly set the caFile for aws-sdk-cpp s3 2017-03-06 14:30:35 -05:00
Shea Levy
4fc30922cf istringstream_nocopy: Implement in a standards-compliant way.
Fixes the problem mentioned in e6a61b8da7

See #1135
2017-03-06 13:03:02 -05:00
Shea Levy
5789eaa3f4 Add aws-region param to S3 store URLs 2017-03-03 16:12:17 -05:00
Eelco Dolstra
d1158bb816
Cache connection failures 2017-03-03 19:36:01 +01:00
Eelco Dolstra
8490ee37a6
SSHMaster: Make thread-safe 2017-03-03 19:28:27 +01:00
Eelco Dolstra
d3eb1cf3bb
build-remote: Don't use a SSH master
This is unnecessary because we make only one connection.
2017-03-03 19:23:20 +01:00
Eelco Dolstra
577ebeaefb
Improve SSH handling
* Unify SSH code in SSHStore and LegacySSHStore.

* Fix a race starting the SSH master. We now wait synchronously for
  the SSH master to finish starting. This prevents the SSH clients
  from starting their own connections.

* Don't use a master if max-connections == 1.

* Add a "max-connections" store parameter.

* Add a "compress" store parameter.
2017-03-03 19:05:50 +01:00
Eelco Dolstra
2f992692e2
Fix fatal "broken pipe" error when $NIX_BUILD_HOOK is missing 2017-03-03 15:40:06 +01:00
Eelco Dolstra
fa125b9b28
TeeSink: Pre-reserve string space
When receiving a very large file, this can prevent the string from
having tobe copied, which temporarily doubles memory consumption.
2017-03-01 16:16:04 +01:00
Eelco Dolstra
f61f67ddee
RemoteStore::addToStore(): Send NAR rather than string containing NAR
This allows the NAR to be streamed in the future (though we're not
doing that yet).
2017-03-01 16:07:15 +01:00
Eelco Dolstra
07a0b8ca67
Tweak message 2017-03-01 14:52:16 +01:00
Eelco Dolstra
c4a40949d9
Handle importing NARs containing files greater than 4 GiB
Also templatize readInt() to work for various integer types.
2017-03-01 13:52:54 +01:00
Eelco Dolstra
0780805246
Fix building against older curl versions
http://hydra.nixos.org/build/49490928
2017-02-28 14:03:43 +01:00
Eelco Dolstra
fd86dd93dd
Improve SQLite busy handling 2017-02-28 13:59:11 +01:00
Eelco Dolstra
34b12bad59
NarInfoDiskCache: Handle SQLite busy errors 2017-02-28 13:44:11 +01:00
Eelco Dolstra
80027144ae
In SQLite errors, include the database path
This is necessary because we have multiple SQLite databases (e.g. the
binary cache cache).
2017-02-28 13:20:12 +01:00
Eelco Dolstra
7251d048fa
Support auto-configuration of build-max-jobs
"build-max-jobs" and the "-j" option can now be set to "auto" to use
the number of CPUs in the system. (Unlike build-cores, it doesn't use
0 to imply auto-configuration, because a) magic values are a bad idea
in general; b) 0 is a legitimate value used to disable local
building.)

Fixes #1198.
2017-02-28 12:54:50 +01:00
Eelco Dolstra
3fab1f04a7
_SC_NPROCESSORS_ONLN -> std:🧵:hardware_concurrency() 2017-02-27 16:01:54 +01:00
Eelco Dolstra
3cb0387d3f
Retry downloads on HTTP/2 stream errors
Issue #1254.
2017-02-27 14:36:09 +01:00
Eelco Dolstra
e76df9bd52
Register content-addressability assertion for fixed outputs 2017-02-24 16:39:53 +01:00
Eelco Dolstra
1c718f80d3
Verify content-addressability assertions at registration time 2017-02-24 16:38:14 +01:00
Dan Peebles
e7cb2847ab Explicitly model all settings and fail on unrecognized ones
Previously, the Settings class allowed other code to query for string
properties, which led to a proliferation of code all over the place making
up new options without any sort of central registry of valid options. This
commit pulls all those options back into the central Settings class and
removes the public get() methods, to discourage future abuses like that.

Furthermore, because we know the full set of options ahead of time, we
now fail loudly if someone enters an unrecognized option, thus preventing
subtle typos. With some template fun, we could probably also dump the full
set of options (with documentation, defaults, etc.) to the command line,
but I'm not doing that yet here.
2017-02-22 20:19:25 -05:00
Eelco Dolstra
f023f64f40
RemoteStore::addToStore(): Pass content-addressability assertion
... and use this in Downloader::downloadCached(). This fixes

  $ nix-build https://nixos.org/channels/nixos-16.09-small/nixexprs.tar.xz -A hello
  error: cannot import path ‘/nix/store/csfbp1s60dkgmk9f8g0zk0mwb7hzgabd-nixexprs.tar.xz’ because it lacks a valid signature
2017-02-22 16:58:00 +01:00
Eelco Dolstra
8b1b5f9a12
Handle CURLE_RECV_ERROR as a transient error
This fixes

  unable to download ‘https://cache.nixos.org/nar/077h8ji74y9b0qx7rjk71xd80vjqp6q5gy137r553jlvdlxdcdlk.nar.xz’: HTTP error 200 (curl error: Failure when receiving data from the peer)
2017-02-21 16:04:47 +01:00
Eelco Dolstra
99bbddedb1
Fix building without S3 support
http://hydra.nixos.org/build/49031196/nixlog/2/raw
2017-02-21 13:15:07 +01:00
Eelco Dolstra
df66d346df
Log AWS retries 2017-02-21 11:50:31 +01:00
Eelco Dolstra
302386f775
Support netrc in <nix/fetchurl.nix>
This allows <nix/fetchurl.nix> to fetch private Git/Mercurial
repositories, e.g.

  import <nix/fetchurl.nix> {
    url = https://edolstra@bitbucket.org/edolstra/my-private-repo/get/80a14018daed.tar.bz2;
    sha256 = "1mgqzn7biqkq3hf2697b0jc4wabkqhmzq2srdymjfa6sb9zb6qs7";
  }

where /etc/nix/netrc contains:

  machine bitbucket.org
  login edolstra
  password blabla...

This works even when sandboxing is enabled.

To do: add unpacking support (i.e. fetchzip functionality).
2017-02-16 15:51:50 +01:00
Eelco Dolstra
cde4b60919
Move netrcFile to Settings
Also get rid of Settings::processEnvironment(), it appears to be
useless.
2017-02-16 14:50:41 +01:00
Eelco Dolstra
40f0e3b366
Include "curl" in the User-Agent header
Some sites (e.g. BitBucket) give a helpful 401 error when trying to
download a private archive if the User-Agent contains "curl", but give
a redirect to a login page otherwise (so for instance
"nix-prefetch-url" will succeed but produce useless output).
2017-02-16 13:55:43 +01:00
Eelco Dolstra
d1139ff36b Merge pull request #1215 from k0001/netrc-1
Add netrc-file support
2017-02-16 12:45:44 +01:00
Eelco Dolstra
9ff9c3f2f8
Add support for s3:// URIs
This adds support for s3:// URIs in all places where Nix allows URIs,
e.g. in builtins.fetchurl, builtins.fetchTarball, <nix/fetchurl.nix>
and NIX_PATH. It allows fetching resources from private S3 buckets,
using credentials obtained from the standard places (i.e. AWS_*
environment variables, ~/.aws/credentials and the EC2 metadata
server). This may not be super-useful in general, but since we already
depend on aws-sdk-cpp, it's a cheap feature to add.
2017-02-14 14:20:00 +01:00
Renzo Carbonara
e2257d4eeb Documentation. 2017-02-09 18:16:09 +01:00
Tuomas Tynkkynen
2cd468874f Include config.h implicitly with '-include config.h' in CFLAGS
Because config.h can #define things like _FILE_OFFSET_BITS=64 and not
every compilation unit includes config.h, we currently compile half of
Nix with _FILE_OFFSET_BITS=64 and other half with _FILE_OFFSET_BITS
unset. This causes major havoc with the Settings class on e.g. 32-bit ARM,
where different compilation units disagree with the struct layout.

E.g.:

diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
@@ -166,6 +166,8 @@ void Settings::update()
     _get(useSubstitutes, "build-use-substitutes");
+    fprintf(stderr, "at Settings::update(): &useSubstitutes = %p\n", &nix::settings.useSubstitutes);
     _get(buildUsersGroup, "build-users-group");
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -138,6 +138,8 @@ void RemoteStore::initConnection(Connection & conn)
 void RemoteStore::setOptions(Connection & conn)
 {
+    fprintf(stderr, "at RemoteStore::setOptions(): &useSubstitutes = %p\n", &nix::settings.useSubstitutes);
     conn.to << wopSetOptions

Gave me:

at Settings::update(): &useSubstitutes = 0xb6e5c5cb
at RemoteStore::setOptions(): &useSubstitutes = 0xb6e5c5c7

That was not a fun one to debug!
2017-02-08 21:51:02 +02:00
Eelco Dolstra
6f4682ad36
Merge branch 'nix-copy-closure-c++' of https://github.com/shlevy/nix 2017-02-07 20:47:45 +01:00
Eelco Dolstra
caa5793b4a
Add a LegacySSHStore that uses nix-store --serve
This is useful for nix-copy-closure.
2017-02-07 19:29:21 +01:00
Eelco Dolstra
f38224e924
copyStorePath(): Don't require signatures for "trusted" stores
For example, SSH stores could be trusted.
2017-02-07 19:29:21 +01:00
Eelco Dolstra
fa07558a06
Provide default implementations for a couple of Store methods 2017-02-07 19:29:21 +01:00
Eelco Dolstra
7a58ad0ef5
SSHStore: uri -> host 2017-02-07 19:20:15 +01:00
Eelco Dolstra
612aeb2df5
Cleanup 2017-02-07 19:16:25 +01:00
Renzo Carbonara
e6e74f987f Add netrc-file support 2017-02-02 13:24:20 +01:00
Eelco Dolstra
1351b0df87
exportReferencesGraph: Only export in JSON format when in structured mode
This prevents breaking compatibility with builders that read
"closure.*", since they would accidentally pick up the new JSON files.
2017-02-02 12:20:28 +01:00
Eelco Dolstra
7a65b2470e
Restore default signal handling in child processes
In particular, this fixes Ctrl-C in nix-shell sessions.
2017-02-01 13:00:21 +01:00
Eelco Dolstra
cb1951e746
Periodically purge binary-cache.sqlite 2017-01-27 15:19:33 +01:00
Eelco Dolstra
211bc7f0e6
Implement TTL for binary cache lookups 2017-01-27 13:17:08 +01:00
Eelco Dolstra
f57a38b109
Remove unused NARExistence table 2017-01-27 12:57:49 +01:00
Eelco Dolstra
c2b0d8749f
exportReferencesGraph: Export more complete info in JSON format
This writes info about every path in the closure in the same format as
‘nix path-info --json’. Thus it also includes NAR hashes and sizes.

Example:

  [
    {
      "path": "/nix/store/10h6li26i7g6z3mdpvra09yyf10mmzdr-hello-2.10",
      "narHash": "sha256:0ckdc4z20kkmpqdilx0wl6cricxv90lh85xpv2qljppcmz6vzcxl",
      "narSize": 197648,
      "references": [
        "/nix/store/10h6li26i7g6z3mdpvra09yyf10mmzdr-hello-2.10",
        "/nix/store/27binbdy296qvjycdgr1535v8872vz3z-glibc-2.24"
      ],
      "closureSize": 20939776
    },
    {
      "path": "/nix/store/27binbdy296qvjycdgr1535v8872vz3z-glibc-2.24",
      "narHash": "sha256:1nfn3m3p98y1c0kd0brp80dn9n5mycwgrk183j17rajya0h7gax3",
      "narSize": 20742128,
      "references": [
        "/nix/store/27binbdy296qvjycdgr1535v8872vz3z-glibc-2.24"
      ],
      "closureSize": 20742128
    }
  ]

Fixes #1134.
2017-01-26 20:41:08 +01:00
Eelco Dolstra
6de33a9c67
Add support for passing structured data to builders
Previously, all derivation attributes had to be coerced into strings
so that they could be passed via the environment. This is lossy
(e.g. lists get flattened, necessitating configureFlags
vs. configureFlagsArray, of which the latter cannot be specified as an
attribute), doesn't support attribute sets at all, and has size
limitations (necessitating hacks like passAsFile).

This patch adds a new mode for passing attributes to builders, namely
encoded as a JSON file ".attrs.json" in the current directory of the
builder. This mode is activated via the special attribute

  __structuredAttrs = true;

(The idea is that one day we can set this in stdenv.mkDerivation.)

For example,

  stdenv.mkDerivation {
    __structuredAttrs = true;
    name = "foo";
    buildInputs = [ pkgs.hello pkgs.cowsay ];
    doCheck = true;
    hardening.format = false;
  }

results in a ".attrs.json" file containing (sans the indentation):

  {
    "buildInputs": [],
    "builder": "/nix/store/ygl61ycpr2vjqrx775l1r2mw1g2rb754-bash-4.3-p48/bin/bash",
    "configureFlags": [
      "--with-foo",
      "--with-bar=1 2"
    ],
    "doCheck": true,
    "hardening": {
      "format": false
    },
    "name": "foo",
    "nativeBuildInputs": [
      "/nix/store/10h6li26i7g6z3mdpvra09yyf10mmzdr-hello-2.10",
      "/nix/store/4jnvjin0r6wp6cv1hdm5jbkx3vinlcvk-cowsay-3.03"
    ],
    "propagatedBuildInputs": [],
    "propagatedNativeBuildInputs": [],
    "stdenv": "/nix/store/f3hw3p8armnzy6xhd4h8s7anfjrs15n2-stdenv",
    "system": "x86_64-linux"
  }

"passAsFile" is ignored in this mode because it's not needed - large
strings are included directly in the JSON representation.

It is up to the builder to do something with the JSON
representation. For example, in bash-based builders, lists/attrsets of
string values could be mapped to bash (associative) arrays.
2017-01-26 20:40:33 +01:00
Eelco Dolstra
b1f001538e
Fix assertion failure when a path is locked
Fixes:

  nix-store: src/libstore/build.cc:3649: void nix::Worker::run(const Goals&): Assertion `!awake.empty()' failed.
2017-01-26 20:40:33 +01:00
Eelco Dolstra
951357e5fb
UserLock: Fix multi-threaded access to a global variable 2017-01-26 20:40:33 +01:00
Eelco Dolstra
a55f589720
openLockFile: Return an AutoCloseFD 2017-01-26 20:40:33 +01:00
Eelco Dolstra
c0f2f4eeef
UserLock: Make more RAII-ish 2017-01-26 20:40:33 +01:00
Eelco Dolstra
a529c740d2
Moving more code out of DerivationGoal::startBuilder() 2017-01-26 20:40:33 +01:00
Eelco Dolstra
e8c43abd9a
On HTTP errors, also show the curl error
This is a hopefully temporary measure to diagnose the intermittent
"HTTP error 200" failures.
2017-01-26 20:40:32 +01:00
Eelco Dolstra
4425a5c547
Move exportReferencesGraph into a separate method
startBuilder() is getting rather obese.
2017-01-26 20:40:32 +01:00
Eelco Dolstra
e3bf228c92
Enable verbose curl output
Closes #1182.
2017-01-24 13:57:01 +01:00
Shea Levy
bfa41eb671 nix-copy-closure: Implement in C++.
Tests fail currently because the database is not given proper hashes in the VM
2017-01-20 09:47:58 -05:00
Eelco Dolstra
8af062f372 Merge pull request #981 from shlevy/build-remote-c++
build-remote: Implement in C++
2017-01-19 18:21:55 +01:00
Eelco Dolstra
21948deed9
Kill builds when we get EOF on the log FD
This closes a long-time bug that allowed builds to hang Nix
indefinitely (regardless of timeouts) simply by doing

  exec > /dev/null 2>&1; while true; do true; done

Now, on EOF, we just send SIGKILL to the child to make sure it's
really gone.
2017-01-19 17:16:14 +01:00
Eelco Dolstra
2579e32c2b
Use std::unique_ptr for HookInstance 2017-01-19 17:06:04 +01:00
Eelco Dolstra
cc3b93c991
Handle SIGINT etc. via a sigwait() signal handler thread
This allows other threads to install callbacks that run in a regular,
non-signal context. In particular, we can use this to signal the
downloader thread to quit.

Closes #1183.
2017-01-17 18:21:02 +01:00
Eelco Dolstra
8079ab87a2 AutoCloseDir: Use std::unique_ptr 2017-01-16 22:39:27 +01:00
Eelco Dolstra
2b9d0a99cb AutoDeleteArray -> std::unique_ptr
Also, switch to C++14 for std::make_unique.
2017-01-16 22:24:49 +01:00
Eelco Dolstra
7adb986e35 Merge pull request #1139 from Mic92/master
Simplify remouting with MS_PRIVATE in sandbox build
2017-01-09 16:46:59 +01:00
Eelco Dolstra
b6b142b4b1
Provide /var/run/nscd/socket in the sandbox
Otherwise sandbox builds can fail, e.g.

  $ NIX_REMOTE=local?root=/tmp/nix nix-build '<nixpkgs>' -A hello --option build-use-substitutes false
  ...
  downloading ‘http://ftpmirror.gnu.org/bash/bash-4.3-patches/bash43-047’...
  error: unable to download ‘http://ftpmirror.gnu.org/bash/bash-4.3-patches/bash43-047’: Couldn't resolve host name (6)
2017-01-02 14:46:37 +01:00
Eelco Dolstra
d0a2db17d9
Call Aws::InitAPI
This is required now.
2016-12-22 17:39:49 +01:00
Eelco Dolstra
786ee585b8
Add comment 2016-12-22 17:39:49 +01:00
Eelco Dolstra
3a4bd320c2
Revert "Merge branch 'seccomp' of https://github.com/aszlig/nix"
This reverts commit 9f3f2e21ed, reversing
changes made to 47f587700d.
2016-12-19 11:52:57 +01:00
Eelco Dolstra
05862209de
Revert "Give root a valid home directory"
This reverts commit ec7d498b72.
2016-12-19 11:49:03 +01:00
Eelco Dolstra
ec7d498b72
Give root a valid home directory
Some programs barf if the current user has a non-writable home
directory, e.g. http://hydra.nixos.org/build/44818144.
2016-12-15 15:56:08 +01:00
Eelco Dolstra
9f3f2e21ed
Merge branch 'seccomp' of https://github.com/aszlig/nix 2016-12-15 12:04:45 +01:00
Eelco Dolstra
47f587700d
Probably fix a segfault in PathLocks 2016-12-09 13:26:43 +01:00
Eelco Dolstra
b30d1e7ada
Don't delete .check directories of running builds
We need to keep them around for diffoscope.
2016-12-08 21:38:58 +01:00
Eelco Dolstra
88ef77226e
Fix warning on 32-bit systems
http://hydra.nixos.org/build/44628517
2016-12-08 20:37:58 +01:00
Eelco Dolstra
e629a17cc1
Fix build
http://hydra.nixos.org/build/44628517
2016-12-08 20:36:14 +01:00
Eelco Dolstra
fe1162a805
S3BinaryCacheStore: Ensure it only builds on Linux 2016-12-08 15:35:46 +01:00
Eelco Dolstra
e6a61b8da7
Fix S3BinaryCacheStore
It failed with

   AWS error uploading ‘6gaxphsyhg66mz0a00qghf9nqf7majs2.ls.xz’: Unable to parse ExceptionName: MissingContentLength Message: You must provide the Content-Length HTTP header.

possibly because the istringstream_nocopy introduced in
0d2ebb4373 doesn't supply the seek
method that the AWS library expects. So bring back the old version,
but only for S3BinaryCacheStore.
2016-12-08 15:31:27 +01:00
Eelco Dolstra
9a313469a4
Add a hook to run diffoscope when non-determinism is detected 2016-12-07 17:57:35 +01:00
Eelco Dolstra
b07060688a
Keep track of the exact build start/stop times 2016-12-07 16:09:38 +01:00
Eelco Dolstra
dadfddfa7c
Bail out early when non-determinism is detected 2016-12-07 15:31:18 +01:00