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1dc2de5026
The end state it produces is _either_: - `/srv/postgresql` already existed, which was symlinked into `/var/lib/postgresql`; postgres is left untouched. This is the situation if `setup_disks` is run on the database primary, or a replica which was correctly configured. - An empty `/srv/postgresql` now exists, symlinked into `/var/lib/postgresql`, and postgres is stopped. This is the situation if `puppet` was just run on a new host, or a previously-configured host was rebooted (clearing the temporary disk in `/dev/nvme0`) In the latter case, where `/srv/postgresql` is now empty, any previous contents of `/var/lib/postgresql` are placed under `/root`, timestamped for uniqueness. In either case, the tool should now be idempotent.
29 lines
605 B
Bash
Executable File
29 lines
605 B
Bash
Executable File
#!/bin/sh
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set -x
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set -e
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LOCALDISK=/dev/nvme0n1
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if ! grep -q $LOCALDISK /etc/fstab; then
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echo "$LOCALDISK /srv xfs nofail,noatime 1 1" >> /etc/fstab
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fi
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if ! mountpoint -q /srv; then
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mkfs.xfs $LOCALDISK
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mount /srv
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fi
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if [ ! -L /var/lib/postgresql ]; then
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service postgresql stop
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if [ -e /var/lib/postgresql ]; then
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mv /var/lib/postgresql "/root/postgres-data-$(date +'%m-%d-%Y-%T')"
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fi
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ln -s /srv/postgresql/ /var/lib
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fi
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if [ ! -e "/srv/postgresql" ]; then
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service postgresql stop
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mkdir "/srv/postgresql"
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chown postgres:postgres /srv/postgresql
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fi
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