mirror of
https://github.com/pschiffe/docker-pdns.git
synced 2024-09-21 15:05:02 +02:00
70 lines
2.6 KiB
Bash
Executable file
70 lines
2.6 KiB
Bash
Executable file
#!/bin/sh
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set -eu
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# Configure gpgsql env vars
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: "${PDNS_gpgsql_host:=pgsql}"
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: "${PDNS_gpgsql_port:=5432}"
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: "${PDNS_gpgsql_user:=${PGSQL_ENV_POSTGRES_USER:-postgres}}"
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: "${PDNS_gpgsql_password:=${PGSQL_ENV_POSTGRES_PASSWORD:-powerdns}}"
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: "${PDNS_gpgsql_dbname:=${PGSQL_ENV_POSTGRES_DB:-powerdns}}"
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# Use first part of node name as database name suffix
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if [ "${NODE_NAME:-}" ]; then
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NODE_NAME=$(echo "${NODE_NAME}" | sed -e 's/\..*//' -e 's/-//')
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PDNS_gpgsql_dbname="${PDNS_gpgsql_dbname}${NODE_NAME}"
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fi
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export PDNS_gpgsql_host PDNS_gpgsql_port PDNS_gpgsql_user PDNS_gpgsql_password PDNS_gpgsql_dbname
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PGPASSWORD="${PDNS_gpgsql_password}"
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export PGPASSWORD
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PGSQL_COMMAND="psql -h ${PDNS_gpgsql_host} -p ${PDNS_gpgsql_port} -U ${PDNS_gpgsql_user}"
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# Wait for pgsql to respond
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until $PGSQL_COMMAND -c ';' ; do
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>&2 echo 'Pgsql is unavailable - sleeping'
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sleep 3
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done
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# Initialize DB if needed
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if [ "${SKIP_DB_CREATE:-false}" != 'true' ]; then
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echo "SELECT 'CREATE DATABASE ${PDNS_gpgsql_dbname}' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '${PDNS_gpgsql_dbname}')\gexec" | $PGSQL_COMMAND
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fi
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PGSQL_CHECK_IF_HAS_TABLE="SELECT COUNT(DISTINCT table_name) FROM information_schema.columns WHERE table_catalog = '${PDNS_gpgsql_dbname}' AND table_schema = 'public';"
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PGSQL_NUM_TABLE=$($PGSQL_COMMAND -At -d "$PDNS_gpgsql_dbname" -c "$PGSQL_CHECK_IF_HAS_TABLE")
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if [ "$PGSQL_NUM_TABLE" -eq 0 ]; then
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$PGSQL_COMMAND -d "$PDNS_gpgsql_dbname" < /usr/share/doc/pdns/schema.pgsql.sql
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fi
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if [ "${PDNS_superslave:-no}" = 'yes' ]; then
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# Configure supermasters if needed
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if [ "${SUPERMASTER_IPS:-}" ]; then
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$PGSQL_COMMAND -d "$PDNS_gpgsql_dbname" -c 'TRUNCATE supermasters;'
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PGSQL_INSERT_SUPERMASTERS=''
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if [ "${SUPERMASTER_COUNT:-0}" -eq 0 ]; then
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SUPERMASTER_COUNT=10
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fi
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i=1; while [ $i -le "${SUPERMASTER_COUNT}" ]; do
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SUPERMASTER_HOST=$(echo "${SUPERMASTER_HOSTS:-}" | awk -v col="$i" '{ print $col }')
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SUPERMASTER_IP=$(echo "${SUPERMASTER_IPS}" | awk -v col="$i" '{ print $col }')
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if [ -z "${SUPERMASTER_HOST:-}" ]; then
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SUPERMASTER_HOST=$(hostname -f)
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fi
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if [ "${SUPERMASTER_IP:-}" ]; then
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PGSQL_INSERT_SUPERMASTERS="${PGSQL_INSERT_SUPERMASTERS} INSERT INTO supermasters VALUES('${SUPERMASTER_IP}', '${SUPERMASTER_HOST}', 'admin');"
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fi
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i=$(( i + 1 ))
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done
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$PGSQL_COMMAND -d "$PDNS_gpgsql_dbname" -c "$PGSQL_INSERT_SUPERMASTERS"
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fi
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fi
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unset PGPASSWORD
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# Create config file from template
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subvars --prefix 'PDNS_' < '/pdns.conf.tpl' > '/etc/pdns/pdns.conf'
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exec "$@"
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