add ci pipeline (#2)

.drone.yml

@@ -0,0 +1,35 @@
+workspace:
+  base: /go
+  path: src/github.com/uswitch/nidhogg
+
+pipeline:
+  test:
+    image: golang:1.10
+    commands:
+      - curl -L -O "https://github.com/kubernetes-sigs/kubebuilder/releases/download/v1.0.8/kubebuilder_1.0.8_linux_amd64.tar.gz"
+      - tar -zxvf kubebuilder_1.0.8_linux_amd64.tar.gz
+      - mv kubebuilder_1.0.8_linux_amd64 kubebuilder && mv kubebuilder /usr/local/
+      - make test
+
+  docker-latest:
+    image: plugins/docker
+    repo: quay.io/uswitch/nidhogg
+    registry: quay.io
+    secrets: [ docker_username, docker_password ]
+    tags:
+      - ${DRONE_COMMIT_SHA}
+      - latest
+    when:
+      event: push
+      branch: master
+
+  docker-tagged:
+    image: plugins/docker
+    repo: quay.io/uswitch/nidhogg
+    registry: quay.io
+    secrets: [ docker_username, docker_password ]
+    tags:
+      - ${DRONE_TAG}
+    when:
+      event: tag
+      branch: master

config/default/manager_image_patch.yaml

@@ -8,6 +8,5 @@ spec:
     spec:
       containers:
       # Change the value of image field below to your controller image URL
-      - image: nidhogg:latest
-        imagePullPolicy: Never
+      - image: quay.io/uswitch/nidhogg:latest
         name: manager

config/manager/manager.yaml

@@ -47,6 +47,8 @@ spec:
         image: controller:latest
         imagePullPolicy: Always
         name: manager
+        args:
+         - --config-file=/config/config.json
         env:
           - name: POD_NAMESPACE
             valueFrom:
@@ -69,15 +71,41 @@ spec:
         - mountPath: /tmp/cert
           name: cert
           readOnly: true
+        - mountPath: /config
+          name: config
+          readOnly: true
       terminationGracePeriodSeconds: 10
       volumes:
       - name: cert
         secret:
           defaultMode: 420
           secretName: webhook-server-secret
+      - name: config
+        configMap:
+          defaultMode: 420
+          name: config
 ---
 apiVersion: v1
 kind: Secret
 metadata:
   name: webhook-server-secret
   namespace: system
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config
+  namespace: system
+data:
+  config.json: |
+     {
+       "nodeSelector": {
+         "node-role.kubernetes.io/master": ""
+       },
+       "daemonsets": [
+         {
+           "name": "kiam",
+           "namespace": "kube-system"
+         }
+       ]
+     }