boot2docker flavor

README.md

@@ -16,3 +16,15 @@ or run a specific Docker client version, e.g. 1.4.1
 ```
 docker run -v /var/run/docker.sock:/var/run/docker.sock -v /var/lib/docker:/var/lib/docker --rm martin/docker-cleanup-volumes:1.4.1 --dry-run
 ```
+
+boot2docker-cleanup-volumes.sh
+==============================
+
+Boot2docker flavor of the shellscript above.
+
+usage: ./boot2docker-cleanup-volumes.sh [--size]
+
+--size : display also the total size of each volume
+
+You can use (copy and paste) the output of this script to remove the volumes in
+your boot2docker VM using the `boot2docker ssh` shell.

boot2docker-cleanup-volumes.sh

@@ -0,0 +1,75 @@
+#! /bin/bash
+
+set -eo pipefail
+
+dockerdir=/mnt/sda1/var/lib/docker
+volumesdir=${dockerdir}/volumes
+vfsdir=${dockerdir}/vfs/dir
+allvolumes=()
+
+function delete_volumes() {
+	targetdir=$1
+	if ! boot2docker ssh sudo test -d ${targetdir} ; then
+        echo "Directory ${targetdir} does not exist, skipping."
+        return
+	fi
+	echo "# Delete unused volume directories from $targetdir"
+	for dir in $(boot2docker ssh sudo ls ${targetdir} 2>/dev/null)
+	do
+        dir=$(basename $dir)
+        if [[ "${dir}" =~ [0-9a-f]{64} ]]; then
+            if [[ ! ${allvolumes[@]} =~ "${dir}" ]]; then
+				if [ "$report_size" = "true" ] ; then
+					echo -n sudo rm -rf ${targetdir}/${dir}
+					echo " # ($(boot2docker ssh sudo du -sh ${targetdir}/${dir} | cut -f 1))"
+				else
+					echo sudo rm -rf ${targetdir}/${dir}
+				fi
+            fi
+        fi
+	done
+}
+
+docker_bin=$(which docker.io || which docker)
+if [ -z "$docker_bin" ] ; then
+    echo "docker cli not found"
+    exit 1
+fi
+
+if [ "$1" = "--size" ] ; then
+	report_size=true
+elif [ -n "$1" ]; then
+    cat <<EOF
+Cleanup docker volumes, boot2docker version:
+
+This script will not remove or change anything. It will just report a list
+of commands to be run manually in a boot2docker ssh shell to remove
+orphaned volumes in the boot2docker VM.
+
+Use --size to report the total size for each volume.
+
+Usage: ${0##*/} [ --size ]
+EOF
+    exit 1
+fi
+
+# Make sure that we can talk to docker daemon. If we cannot, we fail here.
+docker info >/dev/null
+
+#All volumes from all containers
+for container in `${docker_bin} ps -a -q --no-trunc`; do
+    #add container id to list of volumes, don't think these
+    #ever exists in the volumesdir but just to be safe
+    allvolumes+=${container}
+    #add all volumes from this container to the list of volumes
+    for vid in `${docker_bin} inspect --format='{{range $vol, $path := .Volumes}}{{$path}}{{"\n"}}{{end}}' ${container}`; do
+        if [[ ${vid} == ${vfsdir}* && "${vid##*/}" =~ [0-9a-f]{64} ]]; then
+            allvolumes+=("${vid##*/}")
+		# else
+		# 	echo "# Check volume \"$vid\" manually"
+		fi
+    done
+done
+
+delete_volumes ${volumesdir}
+delete_volumes ${vfsdir}