Added possibility to use an existing config file for recursor or auth… (#135)
* Added possibility to use an existing config file for recursor or authorative mysql-powerdns-server, in case the configuration file is handed in from a volume or bind mount (in which it should be mounted as read only!). * ammended changes to PostgreSQL init to provide the same features as the MySQL one. * do not forget to init superslaves if needed. * typos and really do install config file by environment. --------- Co-authored-by: Kai Schlachter <kai.schlachter@bahag.com>
This commit is contained in:
murphy83
GitHub
parent
5ec6211f6d
commit
3ba3021b68
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@ -2,65 +2,90 @@
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set -eu
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# Configure mysql env vars
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: "${PDNS_gmysql_host:=${MYSQL_ENV_MYSQL_HOST:-mysql}}"
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: "${PDNS_gmysql_port:=${MYSQL_ENV_MYSQL_PORT:-3306}}"
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: "${PDNS_gmysql_user:=${MYSQL_ENV_MYSQL_USER:-root}}"
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if [ "${PDNS_gmysql_user}" = 'root' ]; then
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: "${PDNS_gmysql_password:=${MYSQL_ENV_MYSQL_ROOT_PASSWORD:-}}"
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fi
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: "${PDNS_gmysql_password:=${MYSQL_ENV_MYSQL_PASSWORD:-powerdns}}"
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: "${PDNS_gmysql_dbname:=${MYSQL_ENV_MYSQL_DATABASE:-powerdns}}"
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# Use first part of node name as database name suffix
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if [ "${NODE_NAME:-}" ]; then
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NODE_NAME=$(echo "${NODE_NAME}" | sed -e 's/\..*//' -e 's/-//')
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PDNS_gmysql_dbname="${PDNS_gmysql_dbname}${NODE_NAME}"
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fi
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export PDNS_gmysql_host PDNS_gmysql_port PDNS_gmysql_user PDNS_gmysql_password PDNS_gmysql_dbname
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##### Function definitions ####
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EXTRA=''
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function deriveMySQLSettingsFromExistingConfigFile {
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if [ ! -f /etc/pdns/pdns.conf ]; then
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echo "Use of existing file /etc/pdns/pdns.conf requested but file does not exist!"
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exit 1
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fi
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PDNS_gmysql_host=`sed -n 's/^gmysql-host=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gmysql_port=`sed -n 's/^gmysql-port=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gmysql_user=`sed -n 's/^gmysql-user=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gmysql_password=`sed -n 's/^gmysql-password=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gmysql_dbname=`sed -n 's/^gmysql-dbname=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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}
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# Password Auth
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if [ "${PDNS_gmysql_password}" ]; then
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EXTRA="${EXTRA} -p${PDNS_gmysql_password}"
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fi
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function deriveMySQLSettingsFromEnvironment {
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# Configure mysql env vars
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: "${PDNS_gmysql_host:=${MYSQL_ENV_MYSQL_HOST:-mysql}}"
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: "${PDNS_gmysql_port:=${MYSQL_ENV_MYSQL_PORT:-3306}}"
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: "${PDNS_gmysql_user:=${MYSQL_ENV_MYSQL_USER:-root}}"
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if [ "${PDNS_gmysql_user}" = 'root' ]; then
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: "${PDNS_gmysql_password:=${MYSQL_ENV_MYSQL_ROOT_PASSWORD:-}}"
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fi
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: "${PDNS_gmysql_password:=${MYSQL_ENV_MYSQL_PASSWORD:-powerdns}}"
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: "${PDNS_gmysql_dbname:=${MYSQL_ENV_MYSQL_DATABASE:-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 "${NODE_NAME}" | sed -e 's/\..*//' -e 's/-//')
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PDNS_gmysql_dbname="${PDNS_gmysql_dbname}${NODE_NAME}"
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fi
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export PDNS_gmysql_host PDNS_gmysql_port PDNS_gmysql_user PDNS_gmysql_password PDNS_gmysql_dbname
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}
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# Allow socket connections
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if [ "${PDNS_gmysql_socket:-}" ]; then
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export PDNS_gmysql_host='localhost'
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EXTRA="${EXTRA} --socket=${PDNS_gmysql_socket}"
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fi
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function generateMySQLCommand {
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EXTRA=''
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# Password Auth
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if [ "${PDNS_gmysql_password}" ]; then
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EXTRA="${EXTRA} -p${PDNS_gmysql_password}"
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fi
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# Allow socket connections
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if [ "${PDNS_gmysql_socket:-}" ]; then
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export PDNS_gmysql_host='localhost'
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EXTRA="${EXTRA} --socket=${PDNS_gmysql_socket}"
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fi
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MYSQL_COMMAND="mysql -h ${PDNS_gmysql_host} -P ${PDNS_gmysql_port} -u ${PDNS_gmysql_user}${EXTRA}"
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}
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MYSQL_COMMAND="mysql -h ${PDNS_gmysql_host} -P ${PDNS_gmysql_port} -u ${PDNS_gmysql_user}${EXTRA}"
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# Wait for MySQL to respond
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until $MYSQL_COMMAND -e ';' ; do
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>&2 echo 'MySQL is unavailable - sleeping'
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sleep 3
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done
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function createDatabaseIfRequested {
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# Initialize DB if needed
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if [ "${SKIP_DB_CREATE:-false}" != 'true' ]; then
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$MYSQL_COMMAND -e "CREATE DATABASE IF NOT EXISTS ${PDNS_gmysql_dbname}"
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fi
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}
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# Initialize DB if needed
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if [ "${SKIP_DB_CREATE:-false}" != 'true' ]; then
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$MYSQL_COMMAND -e "CREATE DATABASE IF NOT EXISTS ${PDNS_gmysql_dbname}"
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fi
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function initDatabase {
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if [ "${SKIP_DB_INIT:-false}" != 'true' ]; then
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MYSQL_CHECK_IF_HAS_TABLE="SELECT COUNT(DISTINCT table_name) FROM information_schema.columns WHERE table_schema = '${PDNS_gmysql_dbname}';"
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MYSQL_NUM_TABLE=$($MYSQL_COMMAND --batch --skip-column-names -e "$MYSQL_CHECK_IF_HAS_TABLE")
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if [ "$MYSQL_NUM_TABLE" -eq 0 ]; then
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echo "Database exists and has no tables yet, doing init";
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" < /usr/share/doc/pdns/schema.mysql.sql
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else
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echo "Database exists but already has tables, will not try to init";
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fi
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fi
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}
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MYSQL_CHECK_IF_HAS_TABLE="SELECT COUNT(DISTINCT table_name) FROM information_schema.columns WHERE table_schema = '${PDNS_gmysql_dbname}';"
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MYSQL_NUM_TABLE=$($MYSQL_COMMAND --batch --skip-column-names -e "$MYSQL_CHECK_IF_HAS_TABLE")
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if [ "$MYSQL_NUM_TABLE" -eq 0 ]; then
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" < /usr/share/doc/pdns/schema.mysql.sql
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fi
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# SQL migration to version 4.7
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MYSQL_CHECK_IF_47="SELECT COUNT(*) FROM information_schema.columns WHERE table_schema = '${PDNS_gmysql_dbname}' AND table_name = 'domains' AND column_name = 'options';"
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MYSQL_NUM_TABLE=$($MYSQL_COMMAND --batch --skip-column-names -e "$MYSQL_CHECK_IF_47")
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if [ "$MYSQL_NUM_TABLE" -eq 0 ]; then
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function migrateDatabaseTo47 {
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# SQL migration to version 4.7
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MYSQL_CHECK_IF_47="SELECT COUNT(*) FROM information_schema.columns WHERE table_schema = '${PDNS_gmysql_dbname}' AND table_name = 'domains' AND column_name = 'options';"
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MYSQL_NUM_TABLE=$($MYSQL_COMMAND --batch --skip-column-names -e "$MYSQL_CHECK_IF_47")
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if [ "$MYSQL_NUM_TABLE" -eq 0 ]; then
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echo 'Migrating MySQL schema to version 4.7...'
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" < /usr/share/doc/pdns/4.3.0_to_4.7.0_schema.mysql.sql
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fi
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fi
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}
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function initSuperslave {
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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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@ -83,8 +108,41 @@ if [ "${PDNS_superslave:-no}" = 'yes' ]; then
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$MYSQL_COMMAND -D "$PDNS_gmysql_dbname" -e "$MYSQL_INSERT_SUPERMASTERS"
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fi
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fi
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}
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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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function generateAndInstallConfigFileFromEnvironment {
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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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}
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#### End of function definitions, let's get to work ...
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if [ ${USE_EXISTING_CONFIG_FILE:-false} = 'true' ]; then
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deriveMySQLSettingsFromExistingConfigFile
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else
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deriveMySQLSettingsFromEnvironment
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fi
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generateMySQLCommand
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# Wait for MySQL to respond
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until $MYSQL_COMMAND -e ';' ; do
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>&2 echo 'MySQL is unavailable - sleeping'
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sleep 3
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done
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createDatabaseIfRequested
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initDatabase
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migrateDatabaseTo47
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initSuperslave
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if [ ${USE_EXISTING_CONFIG_FILE:-false} = 'false' ]; then
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echo "(re-)generating config file from environment variables"
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generateAndInstallConfigFileFromEnvironment
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fi
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exec "$@"
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@ -2,25 +2,102 @@
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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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function derivePostgreSQLSettingsFromExistingConfigFile {
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if [ ! -f /etc/pdns/pdns.conf ]; then
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echo "Use of existing file /etc/pdns/pdns.conf requested but file does not exist!"
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exit 1
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fi
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PDNS_gpgsql_host=`sed -n 's/^gpgsql-host=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gpgsql_port=`sed -n 's/^gpgsql-port=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gpgsql_user=`sed -n 's/^gpgsql-user=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gpgsql_password=`sed -n 's/^gpgsql-password=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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PDNS_gpgsql_dbname=`sed -n 's/^gpgsql-dbname=\(.*\)/\1/p' < /etc/pdns/pdns.conf`
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}
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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}${NODE_NAME}"
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function derivePostgreSQLSettingsFromEnvironment {
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# Configure gpgsql env vars
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: "${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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}
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function generatePostgreSQLCommand {
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PGSQL_COMMAND="psql -h ${PDNS_gpgsql_host} -p ${PDNS_gpgsql_port} -U ${PDNS_gpgsql_user}"
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}
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function createDatabaseIfRequested {
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# Initialize DB if needed
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if [ "${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" | $PGSQL_COMMAND
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fi
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}
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function initDatabase {
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if [ "${SKIP_DB_INIT:-false}" != 'true' ]; then
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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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echo "Database exists and has no tables yet, doing init";
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$PGSQL_COMMAND -d "$PDNS_gpgsql_dbname" < /usr/share/doc/pdns/schema.pgsql.sql
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else
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echo "Database exists but already has tables, will not try to init";
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fi
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fi
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}
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function initSuperslave {
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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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}
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function generateAndInstallConfigFileFromEnvironment {
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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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}
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###End of function definitions
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if [ ${USE_EXISTING_CONFIG_FILE:-false} = 'true' ]; then
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derivePostgreSQLSettingsFromExistingConfigFile
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else
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derivePostgreSQLSettingsFromEnvironment
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fi
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export PDNS_gpgsql_host PDNS_gpgsql_port PDNS_gpgsql_user PDNS_gpgsql_password PDNS_gpgsql_dbname
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generatePostgreSQLCommand
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PGPASSWORD="${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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@ -28,43 +105,16 @@ until $PGSQL_COMMAND -c ';' ; do
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sleep 3
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done
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# Initialize DB if needed
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if [ "${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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createDatabaseIfRequested
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initDatabase
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initSuperslave
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|
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if [ ${USE_EXISTING_CONFIG_FILE:-false} = 'false' ]; then
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echo "(re-)generating config file from environment variables"
|
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generateAndInstallConfigFileFromEnvironment
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fi
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PGSQL_CHECK_IF_HAS_TABLE="SELECT COUNT(DISTINCT table_name) FROM information_schema.columns WHERE table_catalog = '${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 "$PDNS_gpgsql_dbname" < /usr/share/doc/pdns/schema.pgsql.sql
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fi
|
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|
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if [ "${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 "$PGSQL_INSERT_SUPERMASTERS"
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fi
|
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fi
|
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|
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unset PGPASSWORD
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|
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# Create config file from template
|
||||
subvars --prefix 'PDNS_' < '/pdns.conf.tpl' > '/etc/pdns/pdns.conf'
|
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|
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exec "$@"
|
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|
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|
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|
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@ -2,12 +2,17 @@
|
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|
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set -eu
|
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|
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# Configure base vars
|
||||
: "${PDNS_local_port:=53}"
|
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: "${PDNS_local_address:=0.0.0.0}"
|
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: "${PDNS_allow_from:=0.0.0.0/0}"
|
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#### Function definitions
|
||||
function deriveConfigValuesFromEnvrionement {
|
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# Configure base vars
|
||||
: "${PDNS_local_port:=53}"
|
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: "${PDNS_local_address:=0.0.0.0}"
|
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: "${PDNS_allow_from:=0.0.0.0/0}"
|
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|
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export PDNS_local_port PDNS_local_address PDNS_allow_from
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}
|
||||
|
||||
export PDNS_local_port PDNS_local_address PDNS_allow_from
|
||||
### end of function definitions
|
||||
|
||||
if [ -f /etc/fedora-release ]; then
|
||||
config_file=/etc/pdns-recursor/recursor.conf
|
||||
|
|
@ -17,10 +22,18 @@ elif [ -f /etc/alpine-release ]; then
|
|||
pdns_user=recursor
|
||||
fi
|
||||
|
||||
if [ ${USE_EXISTING_CONFIG_FILE:-false} = 'false' ]; then
|
||||
deriveConfigValuesFromEnvrionement
|
||||
echo "generating config file from environment"
|
||||
subvars --prefix 'PDNS_' < '/recursor.conf.tpl' > "${config_file}"
|
||||
chown "${pdns_user}:" "${config_file}"
|
||||
else
|
||||
echo "using existing config file ${config_file}"
|
||||
fi
|
||||
|
||||
# Create config file from template
|
||||
subvars --prefix 'PDNS_' < '/recursor.conf.tpl' > "${config_file}"
|
||||
|
||||
# Fix config file ownership
|
||||
chown "${pdns_user}:" "${config_file}"
|
||||
|
||||
|
||||
exec "$@"
|
||||
|
|
|
|||
Loading…
Reference in New Issue