117 lines
2.9 KiB
Bash
Executable file
117 lines
2.9 KiB
Bash
Executable file
#!/bin/sh
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for i in "$@"
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do
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case $i in
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--hostip=*)
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HOSTIP="${i#*=}"
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shift # past argument=value
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;;
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--network=*)
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NETWORK="${i#*=}"
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shift # past argument=value
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;;
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--port=*)
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PORT="${i#*=}"
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shift # past argument=value
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;;
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--force)
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FORCE="y"
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shift # past argument=value
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;;
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*)
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# unknown option
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;;
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esac
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done
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if [ -z "$2" ];
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then
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echo "Usage: pg_creatconfig_patroni [options] <version> <cluster name>"
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exit 1
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else
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VERSION=$1
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echo $VERSION | egrep -q '^[[:digit:]]+\.?[[:digit:]]+$'
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if [ $? -ne 0 ]; then
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echo "Error: invalid version ${VERSION}"
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exit 1
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fi
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if [ ! -f /usr/lib/postgresql/${VERSION}/bin/initdb ]; then
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echo "Error: no initdb program for version ${VERSION} found"
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exit 1
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fi
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fi
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if [ -z "$2" ];
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then
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echo "Usage: pg_creatconfig_patroni [options] <version> <cluster name>"
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exit 1
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else
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CLUSTER=$2
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fi
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if [ -z "$PORT" ]; then
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# try to guess next free port
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PORT=$(($(pg_lsclusters | awk '{print $3}' | grep -v Port | sort -n | tail -1) + 1))
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if [ "$PORT" -eq 1 ]; then
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# No cluster exists yet, use default port
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PORT=5432
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fi
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else
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# validate specified port
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pg_lsclusters | awk '{print $3}' | grep -q $PORT && echo "Port $PORT already in use" && exit 1
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fi
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# determine API port (default is 8008) by incrementing for each additional
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# Postgres port. 2576 is 8008 - 5432.
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API_PORT=$((2576+$PORT))
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# check DCS configuration
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if [ ! -f /etc/patroni/dcs.yml ]; then
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echo "DCS not configured yet, edit /etc/patroni/dcs.yml"
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exit 1
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fi
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grep -v "^#" /etc/patroni/dcs.yml | grep -v "^$" > /dev/null 2>&1
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if [ $? != 0 ]; then
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echo "DCS not configured yet, edit /etc/patroni/dcs.yml"
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exit 1
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fi
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DCS_CONFIG="$(egrep -v '^[[:space:]]*$|^ *#' /etc/patroni/dcs.yml | sed -e ':a;N;$!ba;s/\n/\\n/g' -e 's/\$/\\$/g')"
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CONFIG_FILE=/etc/patroni/${VERSION}-${CLUSTER}.yml
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if [ -f $CONFIG_FILE -a -z "$FORCE" ]; then
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echo "Patroni configuration file already exists"
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exit 1
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else
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rm -f $CONFIG_FILE
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touch $CONFIG_FILE
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fi
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HOSTNAME=$(hostname)
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# set default ipv4 address in case it was not provided
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if [ -z "$HOSTIP" ]; then
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HOSTIP=$(ip -4 route get 8.8.8.8 | grep ^8.8.8.8 | sed -e s/.*src.// -e s/\ //g)
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fi
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if [ -z "$NETWORK" ]; then
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NETWORK=$(ip -4 route get 8.8.8.8 | grep ^8.8.8.8 | sed -e s/.*src.// -e s/\ //g -e s/\.[0-9]*$/.0/)/24
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fi
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# add remaining patroni configuration from template
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cat /etc/patroni/config.yml.in | \
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sed -e "s/@VERSION@/${VERSION}/g" \
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-e "s/@CLUSTER@/${CLUSTER}/g" \
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-e "s/@HOSTNAME@/${HOSTNAME}/g" \
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-e "s/@HOSTIP@/${HOSTIP}/g" \
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-e "s#@NETWORK@#${NETWORK}#g" \
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-e "s/@API_PORT@/${API_PORT}/g" \
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-e "s/@PORT@/${PORT}/g" \
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-e "s/@DCS_CONFIG@/${DCS_CONFIG}/g" \
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>> $CONFIG_FILE
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# Set permissions
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chown postgres:postgres $CONFIG_FILE
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chmod 660 $CONFIG_FILE
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