25 lines
686 B
Nix
25 lines
686 B
Nix
{ postgresql_15, postgresql_16, writeScriptBin, ... }:
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let
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newPostgres = postgresql_16;
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oldPostgres = postgresql_15;
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in writeScriptBin "upgrade-pg-cluster" ''
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set -eux
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systemctl stop postgresql
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export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
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export NEWBIN="${newPostgres}/bin"
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export OLDDATA="/var/lib/postgresql/${oldPostgres.psqlSchema}"
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export OLDBIN="${oldPostgres}/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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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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