run integration tests against minikube on circleci

.circleci/config.yml

@@ -1,34 +1,74 @@
 version: 2
 
 jobs:
+
   build:
-    machine: true
-    services: [ docker ]
+    docker:
+      - image: circleci/golang:1.7
+    working_directory: /go/src/github.com/roboll/helmfile
     steps:
       - checkout
-      - run:
-          command: |
-            export GODIST="go1.7.linux-amd64.tar.gz"
-            export GOPATH="$HOME/go"
-            export PATH="$PATH:$GOPATH/bin"
-            export WORK="$GOPATH/src/github.com/$CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME/"
-            mkdir -p download
-            test -e download/$GODIST || curl -o download/$GODIST https://storage.googleapis.com/golang/$GODIST
-            sudo rm -rf /usr/local/go
-            sudo tar -C /usr/local -xzf download/$GODIST
-
-dependencies:
-  override:
-    - mkdir -p "$WORK"
-    - rsync -az --delete ./ "$WORK"
+      - run: make build
+      - persist_to_workspace:
+          root: /go/src/github.com/roboll/helmfile
+          paths:
+            - .
 
   test:
-  pre:
-    - cd "$WORK" && make check
-    - cd "$WORK" && make pristine
+    docker:
+      - image: circleci/golang:1.7
+    working_directory: /go/src/github.com/roboll/helmfile
+    steps:
+      - checkout
+      - run: make check
+      - run: make pristine
+      - run: make test
 
-  override:
-    - cd "$WORK" && make test
+  # thanks to https://raw.githubusercontent.com/weaveworks/launcher/master/.circleci/config.yml
+  integration_tests:
+    machine: true
+    environment:
+      CHANGE_MINIKUBE_NONE_USER: true
+    steps:
+      - checkout
+      - run: mkdir ~/build
+      - attach_workspace:
+          at: ~/build
+      - run: cp ~/build/helmfile ~/project/helmfile
+      - &integration_deps
+        run:
+          name: Install integration test dependencies
+          command: |
+            # Install kubectl
+            curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v1.8.4/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
+            # Install minikube
+            curl -Lo minikube https://storage.googleapis.com/minikube/releases/v0.25.0/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
+            # Install yq
+            curl -Lo yq https://github.com/mikefarah/yq/releases/download/1.14.0/yq_linux_amd64 && chmod +x yq && sudo mv yq /usr/local/bin/
+            # Install helm
+            HELM_VERSION=v2.8.2
+            HELM_FILENAME="helm-${HELM_VERSION}-linux-amd64.tar.gz"
+            curl -Lo ${HELM_FILENAME} "https://kubernetes-helm.storage.googleapis.com/${HELM_FILENAME}"
+            tar zxf ${HELM_FILENAME} linux-amd64/helm
+            chmod +x linux-amd64/helm
+            sudo mv linux-amd64/helm /usr/local/bin/
+      - &start_minikube
+        run:
+          name: Start minikube
+          command: |
+            sudo minikube start --vm-driver=none
+            sudo chown -R $USER.$USER ~/.minikube
+            sudo chown -R $USER.$USER ~/.kube
+            minikube update-context
+      - &wait_for_minikube
+        run:
+          name: Wait for nodes to become ready
+          command: JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}'; until kubectl get nodes -o jsonpath="$JSONPATH" 2>&1 | grep -q "Ready=True"; do sleep 1; done
+      - run:
+          name: Execute integration tests
+          command: |
+            export TERM=xterm
+            make integration
 
 # GITHUB_TOKEN env var must be setup in circleci console
 deployment:
@@ -38,3 +78,19 @@ deployment:
       - docker login -e="." -u="$DOCKER_USER" -p="$DOCKER_PASS" quay.io
       - cd "$WORK" && make tools
       - cd "$WORK" && BUILD_URL="$CIRCLE_BUILD_URL" make push release
+
+workflows:
+  version: 2
+  build_and_test:
+    jobs:
+      - build
+      - test
+  integration_tests:
+    jobs:
+      - build
+      - integration_tests:
+          requires:
+            - build
+          filters:
+            branches:
+              only: pull/81

test/integration/run.sh

@@ -27,17 +27,16 @@ function wait_deploy_ready() {
     done
 }
 
-# RUN BUILD & SETUP --------------------------------------------------------------------------------------------------
+# SETUP --------------------------------------------------------------------------------------------------------------
 
 set -e
-$helm init 1> /dev/null
-make build 1> /dev/null
-$helmfile -v 1> /dev/null
+info "Using namespace: ${test_ns}"
+info "Using Helm version: $(helm version --short --client | grep -o v.*$)"
+$helm init --wait
+$helmfile -v
 $kubectl get namespace ${test_ns} &> /dev/null && warn "Namespace ${test_ns} exists, from a previous test run?"
 trap "{ $kubectl delete namespace ${test_ns}; }" EXIT # remove namespace whenever we exit this script
 
-info "Using namespace: ${test_ns}"
-info "Using Helm version: $(helm version --short --client | grep -o v.*$)"
 
 # TEST CASES----------------------------------------------------------------------------------------------------------