First Commit

roles/docker/files/docker-gc-start.rc

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -euo pipefail
+timeout 1m docker pull circleci/docker-gc:1.0
+docker rm -f docker-gc || true
+# Will return exit 0 if volume already exists
+docker volume create docker-gc --label=keep
+# --net=host is used to allow the container to talk to the local statsd agent
+docker run \
+  --rm \
+  --interactive \
+  --name "docker-gc" \
+  --privileged \
+  --net=host \
+  --userns=host \
+  --volume /var/run/docker.sock:/var/run/docker.sock \
+  --volume /var/lib/docker:/var/lib/docker:ro \
+  --volume docker-gc:/state \
+  "circleci/docker-gc:1.0" \
+  -threshold "1000 KB"