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7e637786b3
pg_upgradecluster will start the cluster if the old cluster was started before it ran, or if there are post-upgrade scripts to run. Because neither of those are fully under our control, only attempt to start the new cluster if it isn't already.
99 lines
3.5 KiB
Bash
Executable File
99 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail
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if [ "$EUID" -ne 0 ]; then
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echo "Error: This script must be run as root" >&2
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exit 1
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fi
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# Force a known locale; some OS X terminals set an invalid LC_CTYPE
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# which crashes pg_upgradecluster
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export LC_ALL=C.UTF-8
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export LANG=C.UTF-8
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export LANGUAGE=C.UTF-8
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UPGRADE_TO=${1:-14}
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UPGRADE_FROM=$(crudini --get /etc/zulip/zulip.conf postgresql version)
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ZULIP_PATH="$(dirname "$0")/../.."
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if [ "$UPGRADE_TO" = "$UPGRADE_FROM" ]; then
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echo "Already running PostgreSQL $UPGRADE_TO!"
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exit 1
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fi
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set -x
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"$ZULIP_PATH"/scripts/lib/setup-apt-repo
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apt-get install -y "postgresql-$UPGRADE_TO" "postgresql-client-$UPGRADE_TO"
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drop_main_cluster="$(
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pg_lsclusters --json \
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| jq --arg pg_version "$UPGRADE_TO" -r \
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'.[] | select((.version|tostring == $ARGS.named.pg_version) and (.cluster == "main")) | .cluster'
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)"
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if [ -n "$drop_main_cluster" ]; then
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pg_dropcluster "$UPGRADE_TO" main --stop
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fi
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(
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# Two-stage application of Puppet; we apply the bare-bones
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# PostgreSQL configuration first, so that FTS will be configured
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# prior to the pg_upgradecluster.
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TEMP_CONF_DIR=$(mktemp -d)
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cp /etc/zulip/zulip.conf "$TEMP_CONF_DIR"
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ZULIP_CONF="${TEMP_CONF_DIR}/zulip.conf"
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crudini --set "$ZULIP_CONF" postgresql version "$UPGRADE_TO"
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crudini --set "$ZULIP_CONF" machine puppet_classes zulip::profile::base,zulip::postgresql_base
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touch "/usr/share/postgresql/$UPGRADE_TO/pgroonga_setup.sql.applied"
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FACTER_LEAVE_SUPERVISOR=true "$ZULIP_PATH"/scripts/zulip-puppet-apply -f --config "$ZULIP_CONF"
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rm -rf "$TEMP_CONF_DIR"
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)
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# Capture the output so we know where the path to the post-upgrade scripts is
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UPGRADE_LOG=$(mktemp "/var/log/zulip/upgrade-postgresql-$UPGRADE_FROM-$UPGRADE_TO.XXXXXXXXX.log")
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pg_upgradecluster -v "$UPGRADE_TO" "$UPGRADE_FROM" main --method=upgrade --link | tee "$UPGRADE_LOG"
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SCRIPTS_PATH=$(grep -o "/var/log/postgresql/pg_upgradecluster-$UPGRADE_FROM-$UPGRADE_TO-main.*" "$UPGRADE_LOG" || true)
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# If the upgrade completed successfully, lock in the new version in
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# our configuration immediately
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crudini --set /etc/zulip/zulip.conf postgresql version "$UPGRADE_TO"
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# Make sure the new PostgreSQL is running
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start_main_cluster="$(
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pg_lsclusters --json \
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| jq --arg pg_version "$UPGRADE_TO" -r \
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'.[] | select((.version|tostring == $ARGS.named.pg_version) and (.cluster == "main") and (.running != 1)) | .cluster'
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)"
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if [ -n "$start_main_cluster" ]; then
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pg_ctlcluster "$UPGRADE_TO" main start
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fi
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# Update the statistics
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su postgres -c "/usr/lib/postgresql/$UPGRADE_TO/bin/vacuumdb --all --analyze-only --jobs 10"
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# Start the database up cleanly
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"$ZULIP_PATH"/scripts/zulip-puppet-apply -f
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# Drop the old data, binaries, and scripts
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pg_dropcluster "$UPGRADE_FROM" main
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apt remove -y "postgresql-$UPGRADE_FROM"
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if [ -n "$SCRIPTS_PATH" ]; then
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if [ -f "$SCRIPTS_PATH/update_extensions.sql" ]; then
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su postgres -c "psql $SCRIPTS_PATH/update_extensions.sql"
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fi
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su postgres -c "$SCRIPTS_PATH/delete_old_cluster.sh"
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rm -rf "$SCRIPTS_PATH"
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else
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set +x
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echo
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echo
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echo ">>>>> pg_upgradecluster succeeded, but post-upgrade scripts path could not"
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echo " be parsed out! Please read the pg_upgradecluster output to understand"
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echo " the current status of your cluster:"
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echo " $UPGRADE_LOG"
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echo " and report this bug with the PostgreSQL $UPGRADE_FROM -> $UPGRADE_TO upgrade to:"
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echo " https://github.com/zulip/zulip/issues"
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echo
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echo
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fi
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