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https://github.com/outbackdingo/patroni.git
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1. Multi-stage build with an extensive cleanup of useless files and optional image compression 2. Start three-node etcd cluster 3. Start three-node Patroni cluster 4. One container with haproxy 5. All container names are prefixed with "demo-" and don't have suffixes 6. Decommission dev_patroni_cluster.sh script, docker-compose is now standard de-facto. 7. Provide more examples in the docker/README.md
61 lines
2.4 KiB
Bash
Executable File
61 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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if [ -f /a.tar.xz ]; then
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echo "decompressing image..."
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sudo tar xpJf /a.tar.xz -C / > /dev/null 2>&1
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sudo rm /a.tar.xz
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sudo ln -snf dash /bin/sh
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fi
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readonly PATRONI_SCOPE=${PATRONI_SCOPE:-batman}
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PATRONI_NAMESPACE=${PATRONI_NAMESPACE:-/service}
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readonly PATRONI_NAMESPACE=${PATRONI_NAMESPACE%/}
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readonly DOCKER_IP=$(hostname --ip-address)
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case "$1" in
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haproxy)
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haproxy -f /etc/haproxy/haproxy.cfg -p /var/run/haproxy.pid -D
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CONFD="confd -prefix=$PATRONI_NAMESPACE/$PATRONI_SCOPE -interval=10 -backend"
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if [ ! -z "$PATRONI_ZOOKEEPER_HOSTS" ]; then
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while ! /usr/share/zookeeper/bin/zkCli.sh -server $PATRONI_ZOOKEEPER_HOSTS ls /; do
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sleep 1
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done
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exec dumb-init $CONFD zookeeper -node $PATRONI_ZOOKEEPER_HOSTS
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else
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while ! etcdctl cluster-health 2> /dev/null; do
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sleep 1
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done
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exec dumb-init $CONFD etcd -node $(echo $ETCDCTL_ENDPOINTS | sed 's/,/ -node /g')
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fi
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;;
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etcd)
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exec "$@" -advertise-client-urls http://$DOCKER_IP:2379
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;;
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zookeeper)
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exec /usr/share/zookeeper/bin/zkServer.sh start-foreground
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;;
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esac
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## We start an etcd
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if [ -z "$PATRONI_ETCD_HOSTS" ] && [ -z "$PATRONI_ZOOKEEPER_HOSTS" ]; then
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export PATRONI_ETCD_URL="http://127.0.0.1:2379"
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etcd --data-dir /tmp/etcd.data -advertise-client-urls=$PATRONI_ETCD_URL -listen-client-urls=http://0.0.0.0:2379 > /var/log/etcd.log 2> /var/log/etcd.err &
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fi
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export PATRONI_SCOPE
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export PATRONI_NAMESPACE
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export PATRONI_NAME="${PATRONI_NAME:-$(hostname)}"
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export PATRONI_RESTAPI_CONNECT_ADDRESS="$DOCKER_IP:8008"
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export PATRONI_RESTAPI_LISTEN="0.0.0.0:8008"
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export PATRONI_admin_PASSWORD="${PATRONI_admin_PASSWORD:-admin}"
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export PATRONI_admin_OPTIONS="${PATRONI_admin_OPTIONS:-createdb, createrole}"
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export PATRONI_POSTGRESQL_CONNECT_ADDRESS="$DOCKER_IP:5432"
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export PATRONI_POSTGRESQL_LISTEN="0.0.0.0:5432"
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export PATRONI_POSTGRESQL_DATA_DIR="${PATRONI_POSTGRESQL_DATA_DIR:-$PGDATA}"
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export PATRONI_REPLICATION_USERNAME="${PATRONI_REPLICATION_USERNAME:-replicator}"
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export PATRONI_REPLICATION_PASSWORD="${PATRONI_REPLICATION_PASSWORD:-replicate}"
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export PATRONI_SUPERUSER_USERNAME="${PATRONI_SUPERUSER_USERNAME:-postgres}"
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export PATRONI_SUPERUSER_PASSWORD="${PATRONI_SUPERUSER_PASSWORD:-postgres}"
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exec python3 /patroni.py postgres0.yml
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