DinD deployment more flexible (#3274)

- Added DinD resources limits/requests to values.yaml
- Added DinD storage driver to values.yaml

incubator/drone/Chart.yaml

@@ -1,7 +1,7 @@
 name: drone
 home: https://drone.io/
 icon: http://docs.drone.io/logo.svg
-version: 0.2.0
+version: 0.2.1
 appVersion: 0.8.2
 description: Drone is a Continuous Delivery system built on container technology
 keywords:

incubator/drone/README.md

@@ -55,6 +55,8 @@ The following tables lists the configurable parameters of the drone charts and t
 | `server.resources`          | Drone **server** pod resource requests & limits                                               | `{}`                        |
 | `agent.env`                 | Drone **agent** environment variables                                                         | `(default values)`          |
 | `agent.resources`           | Drone **agent** pod resource requests & limits                                                | `{}`                        |
+| `dind.driver`               | **DinD** storage driver                                                                       | `overlay2`                  |
+| `dind.resources`            | **DinD** pod resource requests & limits                                                       | `{}`                        |
 | `persistence.enabled`       | Use a PVC to persist data                                                                     | `true`                      |
 | `persistence.existingClaim` | Use an existing PVC to persist data                                                           | `nil`                       |
 | `persistence.storageClass`  | Storage class of backing PVC                                                                  | `nil`                       |

incubator/drone/templates/deployment-agent.yaml

@@ -42,9 +42,11 @@ spec:
         imagePullPolicy: {{ .Values.images.dind.pullPolicy }}
         env:
         - name: DOCKER_DRIVER
-          value: overlay
+          value: {{ .Values.dind.driver }}
         securityContext:
             privileged: true
+        resources:
+{{ toYaml .Values.dind.resources | indent 10 }}
         volumeMounts:
           - name: docker-graph-storage
             mountPath: /var/lib/docker

incubator/drone/values.yaml

@@ -115,6 +115,23 @@ agent:
   #    memory: 2Gi
   #    cpu: 1
 
+dind:
+  ## Docker storage driver.
+  ## Your DinD instance should be using the same driver as your host.
+  ## ref: https://docs.docker.com/engine/userguide/storagedriver/selectadriver/
+  ##
+  driver: overlay2
+
+  ## CPU and memory limits for dind
+  ##
+  resources: {}
+  #  requests:
+  #    memory: 32Mi
+  #    cpu: 40m
+  #  limits:
+  #    memory: 2Gi
+  #    cpu: 1
+
 ## Enable persistence using Persistent Volume Claims
 ## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
 ##