adding option to ignore dockercloud containers

Author: charlyF

pkg/config/config_template.yaml

@@ -275,6 +275,17 @@ metadata_collectors:
 # about the docker daemon load.
 #
 # exclude_pause_container: true
+
+# Exclude default containers from DockerCloud:
+# The following configuration will instruct the agent to ignore the containers from Docker Cloud.
+# You can remove the ones you want to collect.
+# ac_exclude: ["image:dockercloud/network-daemon","image:dockercloud/cleanup","image:dockercloud/logrotate","image:dockercloud/events","image:dockercloud/ntpd"]
+# ac_include: []
+#
+# You can also use the regex to ignore them all:
+# ac_exclude: ["image:dockercloud/*"]
+# ac_include: []
+
 {{ end -}}
 {{- if .DockerTagging }}
 # Docker tag extraction

releasenotes/notes/dockercloud-exclude-images-30450586e6d290ab.yaml

@@ -0,0 +1,4 @@
+---
+other:
+  - |
+    Document the exclusion of dockercloud containers.