105 lines
3.2 KiB
Bash
Executable File
105 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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# This script verifies that the postgresql data directory has been correctly
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# initialized. We do not want to automatically initdb it, because that has
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# a risk of catastrophic failure (ie, overwriting a valuable database) in
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# corner cases, such as a remotely mounted database on a volume that's a
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# bit slow to mount. But we can at least emit a message advising newbies
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# what to do.
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if test -z "$1"; then
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echo "Maintainer error: $0 must be run with one argument"
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exit 1
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fi
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service_name="$1"
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if [ -z "$PGDATA" ]; then
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echo $"You try to start '$service_name' service"
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echo $"but the required \$PGDATA environment variable is not set."
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if test 0 -eq 1; then
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echo $"You should use the /etc/sysconfig/pgsql/$service_name"
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else
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echo $"You should use the /etc/systemd/system/$service_name.service.d/ANYTHING.conf"
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fi
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echo $"configuration file to set \$PGDATA. For more info see"
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echo $"the /usr/share/doc/postgresql/README.rpm-dist file."
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exit 1
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fi
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# Warn the user that the configuration should be adjusted via drop-in, in case
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# the $PGDATA variable is set different way (and non-default service name is
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# used, systemd systems only).
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conf_dir="/etc/systemd/system/$service_name.service.d"
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if test 0 = 0 && [[ "$service_name" == *@* ]] && test ! -d "$conf_dir"; then
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echo >&2 $"WARNING: Note that the '$conf_dir'"
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echo >&2 $"directory does not exist while you are using non-default service"
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echo >&2 $"name '$service_name'. You are encouraged to use the"
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echo >&2 $"$conf_dir directory for systemd configuration according"
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echo >&2 $"to /usr/share/doc/postgresql/README.rpm-dist documentation."
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fi
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# Full PostgreSQL version, e.g. 9.0.2
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PGVERSION=10.5
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# Major version of PostgreSQL, e.g. 9.0
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PGMAJORVERSION=10
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# Distribution README file
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README_DIST=/usr/share/doc/postgresql/README.rpm-dist
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bad_version()
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{
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local real_version="$1"
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. "/usr/share/postgresql-setup/library.sh"
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while read id version; do
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test "$version" = "$real_version" || continue
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local cmd="postgresql-setup --upgrade"
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test "postgresql" = "$id" \
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|| cmd="$cmd --upgrade-from $id"
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echo $"An old version of the database format was found."
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echo $"Use '$cmd' to upgrade to version '$PGMAJORVERSION'"
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echo $"See $README_DIST for more information."
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return
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done < <(parse_upgrade_setup list)
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echo $"An old version '$real_version' of the database format was found."
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echo $"You need to dump and reload before using PostgreSQL $PGVERSION."
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echo $"See $README_DIST for more information."
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return
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}
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# Check for the PGDATA structure
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if [ -f "$PGDATA/PG_VERSION" ] && [ -d "$PGDATA/base" ]
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then
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real_version=`cat "$PGDATA/PG_VERSION"`
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# Check version of existing PGDATA
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if [ x"$real_version" = x"$PGMAJORVERSION" ]
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then
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: A-OK
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else
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bad_version "$real_version"
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exit 1
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fi
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else
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# No existing PGDATA! Warn the user to initdb it.
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echo $"Directory \"$PGDATA\" is missing or empty."
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echo $"Use \"/usr/bin/postgresql-setup --initdb\""
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echo $"to initialize the database cluster."
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echo $"See $README_DIST for more information."
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exit 1
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fi
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exit 0
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