Allow overridable inject image, test images

templates/connect-inject-deployment.yaml

@@ -27,7 +27,7 @@ spec:
     spec:
       containers:
         - name: sidecar-injector
-          image: us.gcr.io/mitchellh-k8s/consul-k8s:latest
+          image: "{{ .Values.connectInject.image }}"
           env:
             - name: NAMESPACE
               valueFrom:

test/_helpers.bash

@@ -3,9 +3,20 @@ name_prefix() {
     printf "consul"
 }
 
-# helm_install installs the Consul chart.
+# helm_install installs the Consul chart. This will source overridable
+# values from the "values.yaml" file in this directory. This can be set
+# by CI or other environments to do test-specific overrides. Note that its
+# easily possible to break tests this way so be careful.
 helm_install() {
-    helm install --name consul --wait ${BATS_TEST_DIRNAME}/..
+    local values="${BATS_TEST_DIRNAME}/values.yaml"
+    if [ ! -f "${values}" ]; then
+        touch $values
+    fi
+
+    helm install -f ${values} \
+        --name consul \
+        --wait \
+        ${BATS_TEST_DIRNAME}/..
 }
 
 # helm_delete deletes the Consul chart and all resources.

values.yaml

@@ -61,6 +61,7 @@ client:
 # ConnectInject will enable the automatic Connect sidecar injector.
 connectInject:
   enabled: true
+  image: "us.gcr.io/mitchellh-k8s/consul-k8s:latest"
   default: false # true will inject by default, otherwise requires annotation
   caBundle: "" # empty will auto generate the bundle