charts/multinode: fixed auth on newer images(#341)

charts/timescaledb-multinode/templates/statefulset-timescaledb-accessnode.yaml

@@ -79,6 +79,9 @@ spec:
             echo "*:*:*:postgres:${POSTGRES_PASSWORD_DATA_NODE}" > "${PGDATA}/../.pgpass"
             chown postgres:postgres "${PGDATA}/../.pgpass" "${PGDATA}/postgresql_helm_customizations.conf"
             chmod 0600 "${PGDATA}/../.pgpass"
+            echo "Adding host all all all md5 in pg_hba.conf"
+            grep -qxF "host all all all md5" "${PGDATA}/pg_hba.conf" \
+                || echo "host all all all md5" >> ${PGDATA}/pg_hba.conf
         volumeMounts:
         - name: storage-volume
           mountPath: "{{ .Values.persistentVolume.mountPath }}"

charts/timescaledb-multinode/templates/statefulset-timescaledb-datanode.yaml

@@ -71,6 +71,9 @@ spec:
             echo "Writing custom PostgreSQL Parameters to ${PGDATA}/postgresql_helm_customizations.conf"
             echo "cluster_name = '$(hostname)'" > "${PGDATA}/postgresql_helm_customizations.conf"
             echo "${POSTGRESQL_CUSTOM_PARAMETERS}" | sort >> "${PGDATA}/postgresql_helm_customizations.conf"
+            echo "Adding host all all all md5 in pg_hba.conf"
+            grep -qxF "host all all all md5" "${PGDATA}/pg_hba.conf" \
+                || echo "host all all all md5" >> ${PGDATA}/pg_hba.conf
             # The TimescaleDB extension should not be available by default, as this interferes with the bootstrapping
             # done by the access nodes. Therefore we drop the extensions from template1
             echo "DROP EXTENSION timescaledb" | /docker-entrypoint.sh postgres --single -D "${PGDATA}" template1