snackpot.yml - add docker compose config

Nominally working and tested on a remote VM

templates/bin/ncadmin

@@ -0,0 +1,110 @@
+#!/bin/sh
+
+dc_dir={{ docker_compose_base_dir }}
+#db_archive=nextclouddb.psql.gz
+# this should be relative to the $nextcloud_dir
+#file_archive=nextcloud.tgz
+#config=
+nextcloud_base_dir={{ nextcloud_base_dir }}
+nextcloud_data_dir={{ nextcloud_data_dir }}
+postgres_db_user={{ postgres_db_user }}
+nextcloud_db_user={{ nextcloud_db_user }}
+nextcloud_db={{ nextcloud_db }}
+
+DOCKER_EXE() {
+    ( cd $dc_dir; docker-compose exec "$@" )
+}
+
+ON_POSTGRES() {
+    DOCKER_EXE -T -u postgres postgres "$@"
+}
+
+ON_POSTGRESi() {
+    DOCKER_EXE -u postgres postgres "$@"
+}
+
+ON_NEXTCLOUD() {
+    DOCKER_EXE -T -u www-data nextcloud "$@"
+}
+
+ON_NEXTCLOUDi() {
+    DOCKER_EXE -u www-data nextcloud "$@"
+}
+
+PSQL() {
+    ON_POSTGRES /usr/local/bin/psql "$@"
+}
+
+PGDUMP() {
+    ON_POSTGRES /usr/local/bin/pg_dump "$@"
+}
+
+PSQLi() {
+    ON_POSTGRESi /usr/local/bin/psql "$@"
+}
+
+PHP() {
+    ON_NEXTCLOUD /usr/local/bin/php "$@"
+}
+
+TEE() {
+    ON_NEXTCLOUD /usr/bin/tee "$1"
+}
+
+CAT() {
+    ON_NEXTCLOUD /bin/cat "$1"
+}
+
+DUMP() {
+    ON_NEXTCLOUD /bin/sh -c "for d in $*; do /usr/bin/tar -C \$d -c . ; done"
+}
+
+UNDUMP() {
+    ON_NEXTCLOUD /bin/sh -c "for d in $*; do /usr/bin/tar -C \$d -x ; done"
+}
+
+_gen_config() {
+    local config=$nextcloud_base_dir/config/config.php
+    script=$( cat <<EOF )
+require("$config");
+\$CONFIG["password"] = "password";
+// FIXME more here
+file_put_contents("$config.2", "<?php\\n\\\$CONFIG = ". var_export(\$CONFIG, true) .";\\n");
+EOF
+       
+    PHP -r "$script"
+}
+
+unpack_db() {
+    tar t >/dev/null && tar t >/dev/null && cat
+}
+
+# FIXME override selected config settings
+restore() {
+    ( UNDUMP $nextcloud_base_dir $nextcloud_data_dir
+      #FIXME      [ -n "$config" ] && gen_config <<<'$config' | WRITE $nextcloud_base_dir/config/config.php
+      PSQL -U $postgres_db_user < $dc_dir/postgres/init.sql
+      cat | PSQL -U $postgres_db_user -d $nextcloud_db )
+}
+
+backup() {
+    ( DUMP $nextcloud_base_dir $nextcloud_data_dir
+      PGDUMP -U $postgres_db_user $nextcloud_db )
+}
+
+prune() {
+    docker system prune -a --volumes
+}
+
+OCC() {
+    ON_NEXTCLOUD ./occ "$@"
+}
+
+NSH() {
+    ON_NEXTCLOUDi sh "$@"
+}
+
+set -vx
+set -e
+"$@"
+