container/build.sh: remove local container images

Optionally, for those that want to run build.sh locally and
use the images.  The default is to remove, for Jenkins builders,
which will build, push, and rmi.

Fixes: https://tracker.ceph.com/issues/70196
Signed-off-by: Dan Mick <[email protected]>

Author: dmick

container/build.sh

@@ -4,6 +4,8 @@
 # repo auth with write perms must be present (this script does not log into
 # repos named by CONTAINER_REPO_*).
 # If NO_PUSH is set, no login is necessary
+# If REMOVE_LOCAL_IMAGES is true (the default), local images are removed
+# after push.  If you want to save local image copies, set this to false.
 
 
 CFILE=${1:-Containerfile}
@@ -25,11 +27,13 @@ CONTAINER_REPO_USERNAME
 CONTAINER_REPO_PASSWORD
 PRERELEASE_USERNAME for download.ceph.com:/prerelease/ceph
 PRERELEASE_PASSWORD
+REMOVE_LOCAL_IMAGES set to 'false' if you want to keep local images
 
 For a release build: (from ceph.git, built and pushed to download.ceph.com)
 CI_CONTAINER: must be 'false'
 and you must also add
 VERSION (for instance, 19.1.0) for tagging the image
+REMOVE_LOCAL_IMAGES set to 'false' if you want to keep local images
 
 You can avoid the push step (for testing) by setting NO_PUSH to anything
 EOF
@@ -48,6 +52,7 @@ REPO_ARCH=amd64
 if [[ "${ARCH}" = arm64 ]] ; then
     REPO_ARCH=arm64
 fi
+REMOVE_LOCAL_IMAGES=${REMOVE_LOCAL_IMAGES:-true}
 
 if [[ ${CI_CONTAINER} == "true" ]] ; then
     CONTAINER_REPO_HOSTNAME=${CONTAINER_REPO_HOSTNAME:-quay.ceph.io}
@@ -67,6 +72,7 @@ fi
 : "${BRANCH:?}"
 : "${CEPH_SHA1:?}"
 : "${ARCH:?}"
+: "${REMOVE_LOCAL_IMAGES:?}"
 if [[ ${NO_PUSH} != "true" ]] ; then
     : "${CONTAINER_REPO_HOSTNAME:?}"
     : "${CONTAINER_REPO_ORGANIZATION:?}"
@@ -173,6 +179,9 @@ if [[ ${CI_CONTAINER} == "true" ]] ; then
         podman tag ${image_id} ${sha1_flavor_repo_tag}
         if [[ -z "${NO_PUSH}" ]] ; then
             podman push ${sha1_flavor_repo_tag}
+            if [[ ${REMOVE_LOCAL_IMAGES} == "true" ]] ; then
+                podman rmi -f ${sha1_flavor_repo_tag}
+            fi
         fi
         exit
     fi
@@ -181,6 +190,9 @@ if [[ ${CI_CONTAINER} == "true" ]] ; then
         podman push ${full_repo_tag}
         podman push ${branch_repo_tag}
         podman push ${sha1_repo_tag}
+        if [[ ${REMOVE_LOCAL_IMAGES} == "true" ]] ; then
+            podman rmi -f ${full_repo_tag} ${branch_repo_tag} ${sha1_repo_tag}
+        fi
     fi
 else
     #
@@ -192,7 +204,9 @@ else
     podman tag ${image_id} ${version_tag}
     if [[ -z "${NO_PUSH}" ]] ; then
         podman push ${version_tag}
+        if [[ ${REMOVE_LOCAL_IMAGES} == "true" ]] ; then
+            podman rmi -f ${version_tag}
+        fi
     fi
 fi
 
-