mirror of https://github.com/zulip/zulip.git
104 lines
3.6 KiB
Bash
Executable File
104 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo 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:-15}
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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 $UPGRADE_TO!"
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exit 1
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fi
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if [[ "$UPGRADE_TO" -lt "$UPGRADE_FROM" ]]; then
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echo "Refusing to downgrade PostgreSQL $UPGRADE_FROM to $UPGRADE_TO!"
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exit 1
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fi
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set -x
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"$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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