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WIP: PostgreSQL Cluster Auto-Upgrade #92

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max wants to merge 5 commits from pg-auto-migrations into master
pull from: pg-auto-migrations
merge into: privatevoid.net:master
Conversation 4 Commits 5 Files changed 4 +12 -3
2 changed files with 12 additions and 3 deletions
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Showing only changes of commit a12c249e2e - Show all commits

5
packages/checks/default.nix
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@ -15,6 +15,11 @@
previous = timeTravel' "486161b78e45e94a6f314b65bb05080605f0cd01";
inherit (self) nixosModules;
inherit (self'.packages) postgresql;
exampleData = pkgs.fetchurl {
name = "omdb-2022-10-18.dump";
url = "https://github.com/credativ/omdb-postgresql/releases/download/2022-10-18/omdb.dump";
hash = "sha256-7ENUTHrpdrB44AyHT3aB44AFY/vFsKTzt70Fnb9ynq8=";
};
};
searxng = pkgs.callPackage ./searxng.nix {
inherit (self'.packages) searxng;

10
packages/checks/patroni-migration.nix
View file

@ -1,4 +1,4 @@
{ nixosTest, nixosModules, postgresql, previous }:
{ nixosTest, nixosModules, postgresql, previous, exampleData }:
nixosTest (
let
@ -244,6 +244,10 @@ nixosTest (
client.succeed("psql -h 127.0.0.1 -U postgres --command='create table dummy as select * from generate_series(1, 100) as val;'")
client.succeed("test $(psql -h 127.0.0.1 -U postgres --pset='pager=off' --tuples-only --command='select count(distinct val) from dummy;') -eq 100")
with subtest("should be able to load test database from dump"):
client.succeed("psql -h 127.0.0.1 -U postgres --command='create database example;'")
client.succeed("pg_restore -h 127.0.0.1 -U postgres -n public -d example ${exampleData}")
with subtest("should upgrade to a new major version"):
for (i, old, new) in node_pairs:
old.succeed("systemctl stop patroni")
@ -255,7 +259,7 @@ nixosTest (
wait_for_all_nodes_ready(nodes=nodes_new)
run_dummy_queries()
with subtest("should not have lost any data"):
client.succeed("test $(psql -h 127.0.0.1 -U postgres --pset='pager=off' --tuples-only --command='select count(distinct val) from dummy2;') -eq $(psql -h 127.0.0.1 -U postgres --pset='pager=off' --tuples-only --command='select max(val) from dummy2;')")
#with subtest("should not have lost any data"):
# client.succeed("test $(psql -h 127.0.0.1 -U postgres --pset='pager=off' --tuples-only --command='select count(distinct val) from dummy2;') -eq $(psql -h 127.0.0.1 -U postgres --pset='pager=off' --tuples-only --command='select max(val) from dummy2;')")
'';
})