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Because the command is part of a pipe sequence, the exitcode defaults to the last in the sequence, which is not the most important one here. Set pipefail, which sets the exit status to the exit code of the last program in the sequence to exit non-zero, or 0 if all succeeded. This prevents the upgrade from barreling onward and setting `postgres.version` improperly if the database upgrade step failed.
75 lines
2.6 KiB
Bash
Executable File
75 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail
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if [ "$EUID" -ne 0 ]; then
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echo "Error: This script must be run as root" >&2
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exit 1
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fi
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UPGRADE_TO=${1:-12}
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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-$UPGRADE_TO"
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if pg_lsclusters -h | grep -qE "^$UPGRADE_TO\s+main\b"; 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 "$ZULIP_CONF" machine puppet_classes zulip::base,zulip::postgres_appdb_base
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touch "/usr/share/postgresql/$UPGRADE_TO/pgroonga_setup.sql.applied"
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"$ZULIP_PATH"/scripts/zulip-puppet-apply -f --config "$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/postgres-upgrade-$UPGRADE_FROM-$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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# Update the statistics
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[ -n "$SCRIPTS_PATH" ] && su postgres -c "$SCRIPTS_PATH/analyze_new_cluster.sh"
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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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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 Postgres $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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