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🔨 pg upgrade script

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This commit is contained in:
James Walker 2023-12-11 16:59:00 -05:00
parent a38118b191
commit 94d559c4f4
Signed by: walkah
SSH Key Fingerprint: SHA256:f7Gn4jO4BFHZxWfKTTzEAfWz+cLW51IyGFl9MjDyZGI
2 changed files with 32 additions and 27 deletions
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18
flake.lock generated
View File

@ -30,11 +30,11 @@
"utils": "utils"
},
"locked": {
"lastModified": 1698921442,
"narHash": "sha256-7KmvhQ7FuXlT/wG4zjTssap6maVqeAMBdtel+VjClSM=",
"lastModified": 1702302389,
"narHash": "sha256-T+R3vX31dQH/qb+ojf/rGrOVbY6/fR9X6H+hb0nEnHw=",
"owner": "serokell",
"repo": "deploy-rs",
"rev": "660180bbbeae7d60dad5a92b30858306945fd427",
"rev": "514fa3bc3d24fa85f338fa6a8247ca7e116ab9de",
"type": "github"
},
"original": {
@ -267,11 +267,11 @@
},
"nixos-hardware": {
"locked": {
"lastModified": 1701656485,
"narHash": "sha256-xDFormrGCKKGqngHa2Bz1GTeKlFMMjLnHhTDRdMJ1hs=",
"lastModified": 1702245580,
"narHash": "sha256-tTVRB42Ljo2uWGP7ei5h5/qQjOsdXoz0GHRy9hrVrdw=",
"owner": "NixOS",
"repo": "nixos-hardware",
"rev": "fa194fc484fd7270ab324bb985593f71102e84d1",
"rev": "030edbb68e69f2b97231479f98a9597024650df2",
"type": "github"
},
"original": {
@ -356,11 +356,11 @@
"nixpkgs-stable": "nixpkgs-stable"
},
"locked": {
"lastModified": 1700922917,
"narHash": "sha256-ej2fch/T584b5K9sk1UhmZF7W6wEfDHuoUYpFN8dtvM=",
"lastModified": 1702325376,
"narHash": "sha256-biLGx2LzU2+/qPwq+kWwVBgXs3MVYT1gPa0fCwpLplU=",
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"rev": "e5ee5c5f3844550c01d2131096c7271cec5e9b78",
"rev": "e1d203c2fa7e2593c777e490213958ef81f71977",
"type": "github"
},
"original": {

41
modules/postgresql/default.nix
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@ -12,28 +12,33 @@
# Postgres upgrades: https://nixos.org/manual/nixos/stable/index.html#module-services-postgres-upgrading
environment.systemPackages = [
(pkgs.writeScriptBin "upgrade-pg-cluster" ''
set -eux
# XXX it's perhaps advisable to stop all services that depend on postgresql
systemctl stop postgresql
(
let
# XXX specify the postgresql package you'd like to upgrade to.
# Do not forget to list the extensions you need.
newPostgres = pkgs.postgresql_15;
in
pkgs.writeScriptBin "upgrade-pg-cluster" ''
set -eux
# XXX it's perhaps advisable to stop all services that depend on postgresql
systemctl stop postgresql
# XXX replace `<new version>` with the psqlSchema here
export NEWDATA="/var/lib/postgresql/14"
export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
# XXX specify the postgresql package you'd like to upgrade to
export NEWBIN="${pkgs.postgresql_14}/bin"
export NEWBIN="${newPostgres}/bin"
export OLDDATA="${config.services.postgresql.dataDir}"
export OLDBIN="${config.services.postgresql.package}/bin"
export OLDDATA="${config.services.postgresql.dataDir}"
export OLDBIN="${config.services.postgresql.package}/bin"
install -d -m 0700 -o postgres -g postgres "$NEWDATA"
cd "$NEWDATA"
sudo -u postgres $NEWBIN/initdb -D "$NEWDATA"
install -d -m 0700 -o postgres -g postgres "$NEWDATA"
cd "$NEWDATA"
sudo -u postgres $NEWBIN/initdb -D "$NEWDATA"
sudo -u postgres $NEWBIN/pg_upgrade \
--old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
--old-bindir $OLDBIN --new-bindir $NEWBIN \
"$@"
'')
sudo -u postgres $NEWBIN/pg_upgrade \
--old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
--old-bindir $OLDBIN --new-bindir $NEWBIN \
"$@"
''
)
];
}