31 lines
915 B
Nix
31 lines
915 B
Nix
{ config, pkgs, ... }:
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{
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containers.temp-pg.config.services.postgresql = {
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enable = true;
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package = pkgs.postgresql_14;
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};
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environment.systemPackages =
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let newpg = config.containers.temp-pg.config.services.postgresql;
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in
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[
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(pkgs.writeScriptBin "upgrade-pg-cluster" ''
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set -x
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export OLDDATA="${config.services.postgresql.dataDir}"
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export NEWDATA="${newpg.dataDir}"
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export OLDBIN="${config.services.postgresql.package}/bin"
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export NEWBIN="${newpg.package}/bin"
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install -d -m 0700 -o postgres -g postgres "$NEWDATA"
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cd "$NEWDATA"
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sudo -u postgres $NEWBIN/initdb -D "$NEWDATA"
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systemctl stop postgresql # old one
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sudo -u postgres $NEWBIN/pg_upgrade \
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--old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
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--old-bindir $OLDBIN --new-bindir $NEWBIN \
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"$@"
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'')
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];
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}
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