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The Simulacrum: Stage 6 #114

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max merged 11 commits from pr-simulacrum-stage-6 into master 2024-08-17 01:13:16 +03:00
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1 changed files with 17 additions and 2 deletions
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19
modules/external-storage/default.nix
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@ -109,7 +109,13 @@ in
value = let value = let
isUnderlay = fs.underlay != null; isUnderlay = fs.underlay != null;
fsType = if isUnderlay then "local" else lib.head (lib.strings.match "([a-z0-9]*)://.*" fs.backend); backendParts = lib.strings.match "([a-z0-9]*)://([^/]*)/([^/]*)(/.*)?" fs.backend;
fsType = if isUnderlay then "local" else lib.head backendParts;
s3Endpoint = assert fsType == "s3c4"; lib.elemAt backendParts 1;
s3Bucket = assert fsType == "s3c4"; lib.elemAt backendParts 2;
localBackendPath = if isUnderlay then cfg.underlays.${fs.underlay}.mountpoint else lib.head (lib.strings.match "[a-z0-9]*://(/.*)" fs.backend); localBackendPath = if isUnderlay then cfg.underlays.${fs.underlay}.mountpoint else lib.head (lib.strings.match "[a-z0-9]*://(/.*)" fs.backend);
in { in {
@ -132,8 +138,12 @@ in
ExecStartPre = map lib.escapeShellArgs [ ExecStartPre = map lib.escapeShellArgs [
[ [
(let (let
authFile = if fs.locksmithSecret != null then
"/run/locksmith/${fs.locksmithSecret}"
else
cfgAge.secrets."storageAuth-${name}".path;
mkfsEncrypted = '' mkfsEncrypted = ''
${pkgs.gnugrep}/bin/grep -m1 fs-passphrase: '${config.age.secrets."storageAuth-${name}".path}' \ ${pkgs.gnugrep}/bin/grep -m1 fs-passphrase: '${authFile}' \
| cut -d' ' -f2- \ | cut -d' ' -f2- \
| ${s3ql}/bin/mkfs.s3ql ${lib.escapeShellArgs fs.commonArgs} -L '${name}' '${fs.backend}' | ${s3ql}/bin/mkfs.s3ql ${lib.escapeShellArgs fs.commonArgs} -L '${name}' '${fs.backend}'
''; '';
@ -144,6 +154,11 @@ in
detectFs = { detectFs = {
local = "test -e ${localBackendPath}/s3ql_metadata"; local = "test -e ${localBackendPath}/s3ql_metadata";
s3c4 = pkgs.writeShellScript "detect-s3ql-filesystem" ''
export AWS_ACCESS_KEY_ID="$(${pkgs.gnugrep}/bin/grep -m1 backend-login: '${authFile}' | cut -d' ' -f2-)"
export AWS_SECRET_ACCESS_KEY="$(${pkgs.gnugrep}/bin/grep -m1 backend-password: '${authFile}' | cut -d' ' -f2-)"
${pkgs.s5cmd}/bin/s5cmd --endpoint-url https://${s3Endpoint}/ ls 's3://${s3Bucket}/s3ql_params' >/dev/null
'';
}.${fsType} or null; }.${fsType} or null;
in pkgs.writeShellScript "create-s3ql-filesystem" (lib.optionalString (detectFs != null) '' in pkgs.writeShellScript "create-s3ql-filesystem" (lib.optionalString (detectFs != null) ''
if ! ${detectFs}; then if ! ${detectFs}; then