Initial release

AUTHORS

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+Alessio Treglia <[email protected]>

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2015 Smartodds Ltd
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

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+# Dokku cAdvisor
+
+[Google cAdvisor](https://github.com/google/cadvisor) plugin for [dokku](https://github.com/progrium/dokku)
+
+Simple plugin that adds a `cadvisor` entry to the Dokku's menu to start/stop the service.
+
+## Installation
+
+On the Dokku server, install the plugin in the plugins directory and run `dokku plugins-install`:
+
+```
+cd /var/lib/dokku/plugins
+git clone https://github.com/alessio/dokku-cadvisor cadvisor
+dokku plugins-install
+```
+
+## Usage
+
+```
+Options:
+    cadvisor:start              Start Google cAdvisor service
+    cadvisor:stop               Stop Google cAdvisor
+```
+
+## Notes
+
+After the installation type the following to fire a ready-to-use a container of Google cAdvisor:
+```
+dokku cadvisor:start
+```

commands

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+#!/usr/bin/env bash
+
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+
+PLUGIN_DIR=$(dirname $0)
+. "$PLUGIN_DIR/../common/functions"
+. "$PLUGIN_DIR/lib/helpers"
+
+case "$1" in
+  cadvisor:start)
+    f_dokku_cadvisor_start ;;
+
+  cadvisor:stop)
+    f_dokku_cadvisor_stop ;;
+
+  help | cadvisor:help)
+    cat && cat<<EOF
+    cadvisor:start                                  Start Google cAdvisor service
+    cadvisor:stop                                   Stop Google cAdvisor
+EOF
+    ;;  
+
+  *)
+    exit $DOKKU_NOT_IMPLEMENTED_EXIT
+    ;;
+esac
+

install

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+#!/usr/bin/env bash
+
+set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+
+PLUGIN_DIR=$(dirname $0)
+. "$PLUGIN_DIR/lib/helpers"
+
+f_dokku_cadvisor_install

lib/helpers

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+# Helper functions that can be sourced via "." into the rest of the plugin
+
+DOKKU_CADVISOR_IMAGE="google/cadvisor:latest"
+DOKKU_CADVISOR_CONTAINER=dokku-cadvisor
+DOKKU_CADVISOR_DEFAULT_PORT=8080
+DOKKU_CADVISOR_PORT=${DOKKU_CADVISOR_PORT:-$DOKKU_CADVISOR_DEFAULT_PORT}
+
+f_check_container() {
+  local l_status
+
+  l_status="$(docker inspect -f '{{.State.Running}}' $DOKKU_CADVISOR_CONTAINER 2>/dev/null)" || l_status=none
+  printf "%s" "$l_status"
+}
+
+
+# Start the container
+f_dokku_cadvisor_start() {
+  case $(f_check_container) in
+    none)
+      echo "Starting cAdvisor on port ${DOKKU_CADVISOR_PORT} ..."
+      docker run \
+        --volume=/:/rootfs:ro \
+        --volume=/var/run:/var/run:rw \
+        --volume=/sys:/sys:ro \
+        --volume=/var/lib/docker/:/var/lib/docker:ro \
+        --publish=$DOKKU_CADVISOR_PORT:8080 \
+        --detach=true \
+        --name=$DOKKU_CADVISOR_CONTAINER \
+        $DOKKU_CADVISOR_IMAGE \
+        > /dev/null
+      ;;
+    false)
+      echo "Starting cAdvisor on port ${DOKKU_CADVISOR_PORT} ..."
+      docker start $DOKKU_CADVISOR_CONTAINER >/dev/null
+      ;;
+    *)
+      echo "cAdvisor is already running"
+      ;;
+  esac
+}
+
+
+# Stop the container
+f_dokku_cadvisor_stop() {
+  case $(f_check_container) in
+    true)
+      echo "Stopping cAdvisor ..."
+      docker stop $DOKKU_CADVISOR_CONTAINER >/dev/null                                                                                                              
+      ;;
+    *)  
+      echo "cAdvisor is not running"
+      ;;
+  esac
+}
+
+
+# Pull cAdvisor image
+f_dokku_cadvisor_install() {
+  docker pull $DOKKU_CADVISOR_IMAGE >/dev/null
+  case $(f_check_container) in
+    true)
+      f_dokku_cadvisor_stop
+      docker rm $DOKKU_CADVISOR_CONTAINER >/dev/null
+      f_dokku_cadvisor_start
+      ;;
+    false)
+      docker rm $DOKKU_CADVISOR_CONTAINER >/dev/null
+      ;;
+    *) ;;
+  esac
+}