tcwg-cleanup-stale-containers: Allow partial cleanups

In our current workflow we should not generate stale volumes or
containers, but we can generate stale images.  Add options to
allow cleaning up what we need, instead of all or nothing.

Change-Id: Id270a7e51f4c931c32a08d2f244e727a7d783750

1 files changed, 10 insertions, 6 deletions

diff --git a/tcwg-cleanup-stale-containers.sh b/tcwg-cleanup-stale-containers.sh
index d69c8c1d..b05f220b 100755
--- a/tcwg-cleanup-stale-containers.sh
+++ b/tcwg-cleanup-stale-containers.sh
@@ -3,15 +3,19 @@
 set -e
 
 docker_ps_opts=""
-dry_run=false
 hours="10"
 verbose=false
+clean_containers=false
+clean_volumes=false
+clean_images=false
 
-OPTS="`getopt -l docker_ps_opts:,dry_run:,hours:,verbose: -- "$@"`"
+OPTS="`getopt -l clean-containers:,clean-images:,clean-volumes:,docker_ps_opts:,hours:,verbose: -- "$@"`"
 while test $# -gt 1; do
     case $1 in
+	--clean-containters) clean_containers="$2"; shift ;;
+	--clean-images) clean_images="$2"; shift ;;
+	--clean-volumes) clean_volumes="$2"; shift ;;
 	--docker_ps_opts) docker_ps_opts="$2"; shift ;;
-	--dry_run) dry_run="$2"; shift ;;
 	--hours) hours="$2"; shift ;;
 	--verbose) verbose="$2"; shift ;;
     esac
@@ -49,7 +53,7 @@ if [ ${#rm_containers[@]} != 0 ]; then
     echo "Removing containers: ${rm_containers[@]}"
     echo "Increasing exit code by 1 to indicate stale containers"
     status="$(($status+1))"
-    if ! $dry_run; then
+    if $clean_containers; then
         for container in "${rm_containers[@]}"; do
             echo "Removing container $container"
             docker rm -f -v $container | cat
@@ -67,7 +71,7 @@ if [ x"$(docker volume ls -q -f dangling=true)" != x"" ]; then
     echo "Removing dangling volumes"
     echo "Increasing exit code by 2 to indicate dangling volumes"
     status="$(($status+2))"
-    if ! $dry_run; then
+    if $clean_volumes; then
 	docker volume ls -q -f dangling=true | xargs docker volume rm | cat
 	echo "xargs docker volume rm exit status: ${PIPESTATUS[1]}"
     else
@@ -86,7 +90,7 @@ if [ ${#rm_images[@]} != 0 ]; then
     echo "Removing unused images"
     echo "Increasing exit code by 4 to indicate unused images"
     status="$(($status+4))"
-    if ! $dry_run; then
+    if $clean_images; then
 	for image in "${rm_images[@]}"; do
 	    docker rmi $image | cat
 	    echo "docker rmi exit status: ${PIPESTATUS[0]}"