mirror of
https://github.com/outbackdingo/patroni.git
synced 2026-01-28 18:20:10 +00:00
1606ab6f5a
For easier development using Docker the $HOSTNAME variable will be used to name the running Patroni. Bumped some _segments postgresql settings to ensure WAL files are not removed very quickly. Increased the timeout for the post request for Patroni, as some operations (failover) may take considerable time to complete. The failover to a specific member was broken in patronictl as it used a wrong key to specify the member to failover to. Pretty printing fix for xlog lag, to prevent false negatives to show up and have good alignment.
140 lines
3.4 KiB
Bash
Executable File
140 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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function usage()
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{
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cat <<__EOF__
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Usage: $0
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Options:
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--etcd ETCD Provide an external etcd to connect to
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--name NAME Give the cluster a specific name
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--etcd-only Do not run Patroni, run a standalone etcd
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Examples:
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$0 --etcd=127.17.0.84:4001
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$0 --etcd-only
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$0
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$0 --name=true_scotsman
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__EOF__
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}
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DOCKER_IP=$(hostname --ip-address)
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PATRONI_SCOPE=${PATRONI_SCOPE:-batman}
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optspec=":vh-:"
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while getopts "$optspec" optchar; do
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case "${optchar}" in
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-)
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case "${OPTARG}" in
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etcd-only)
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exec etcd --data-dir /tmp/etcd.data \
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-advertise-client-urls=http://${DOCKER_IP}:4001 \
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-listen-client-urls=http://0.0.0.0:4001 \
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-listen-peer-urls=http://0.0.0.0:2380
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exit 0
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;;
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cheat)
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CHEAT=1
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;;
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name)
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PATRONI_SCOPE="${!OPTIND}"; OPTIND=$(( $OPTIND + 1 ))
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;;
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name=*)
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PATRONI_SCOPE=${OPTARG#*=}
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;;
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etcd)
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ETCD_CLUSTER="${!OPTIND}"; OPTIND=$(( $OPTIND + 1 ))
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;;
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etcd=*)
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ETCD_CLUSTER=${OPTARG#*=}
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;;
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help)
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usage
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exit 0
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;;
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*)
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if [ "$OPTERR" = 1 ] && [ "${optspec:0:1}" != ":" ]; then
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echo "Unknown option --${OPTARG}" >&2
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fi
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;;
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esac;;
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*)
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if [ "$OPTERR" != 1 ] || [ "${optspec:0:1}" = ":" ]; then
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echo "Non-option argument: '-${OPTARG}'" >&2
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usage
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exit 1
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fi
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;;
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esac
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done
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if [ -z ${ETCD_CLUSTER} ]
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then
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etcd --data-dir /tmp/etcd.data \
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-advertise-client-urls=http://${DOCKER_IP}:4001 \
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-listen-client-urls=http://0.0.0.0:4001 \
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-listen-peer-urls=http://0.0.0.0:2380 > /var/log/etcd.log 2> /var/log/etcd.err &
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ETCD_CLUSTER="127.0.0.1:4001"
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fi
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cat > /patroni/postgres.yml <<__EOF__
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ttl: &ttl 30
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loop_wait: &loop_wait 10
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scope: &scope '${PATRONI_SCOPE}'
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namespace: 'patroni'
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restapi:
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listen: 0.0.0.0:8008
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connect_address: ${DOCKER_IP}:8008
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etcd:
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scope: *scope
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ttl: *ttl
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host: ${ETCD_CLUSTER}
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postgresql:
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name: ${HOSTNAME}
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scope: *scope
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listen: 0.0.0.0:5432
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connect_address: ${DOCKER_IP}:5432
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data_dir: data/postgresql0
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maximum_lag_on_failover: 1048576 # 1 megabyte in bytes
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pg_hba:
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- host all all 0.0.0.0/0 md5
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- hostssl all all 0.0.0.0/0 md5
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- host replication replicator ${DOCKER_IP}/16 md5
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replication:
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username: replicator
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password: rep-pass
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network: 127.0.0.1/32
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superuser:
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password: zalando
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restore: patroni/scripts/restore.py
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admin:
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username: admin
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password: admin
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parameters:
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archive_mode: "on"
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wal_level: hot_standby
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archive_command: 'true'
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max_wal_senders: 20
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listen_addresses: 0.0.0.0
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checkpoint_segments: 64
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wal_keep_segments: 64
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archive_timeout: 1800s
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max_replication_slots: 20
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hot_standby: "on"
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__EOF__
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cat /patroni/postgres.yml
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if [ ! -z $CHEAT ]
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then
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while :
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do
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sleep 60
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done
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else
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exec python /patroni.py /patroni/postgres.yml
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fi
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