Use kind for integration test (#59)

* Use kind for integration test instead of minikube

* Change cluster version depending on kubectl version

Author: superbrothers

.travis.yml

@@ -1,41 +1,44 @@
-sudo: required
+language: go
 
-language: bash
-
-services:
-- docker
-
-sudo: required
+go:
+- "1.11.x"
 
 env:
-  global:
-  - TMPDIR=/tmp
-  - CHANGE_MINIKUBE_NONE_USER=true
-  - MINIKUBE_VERSION=v0.28.0
-  - MINIKUBE_ARGS="--vm-driver=none --bootstrapper=localkube --extra-config=apiserver.Authorization.Mode=RBAC"
   matrix:
-  - KUBE_VERSION=v1.10.0
-  - KUBE_VERSION=v1.11.0
+  - KUBECTL_VERSION=v1.13.0 NODE_VERSION=v1.12.3 # v1.13.x hasn't been released yet
+  - KUBECTL_VERSION=v1.12.0 NODE_VERSION=v1.12.3
+  - KUBECTL_VERSION=v1.11.0 NODE_VERSION=v1.11.3
 
-matrix:
-  allow_failures:
-    - env: KUBE_VERSION=v1.11.0
+services:
+- docker
 
 before_script:
-# Download kubectl, which is a requirement for using minikube.
-- curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${KUBE_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
-# Download minikube.
-- curl -Lo minikube https://storage.googleapis.com/minikube/releases/${MINIKUBE_VERSION}/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
-- sudo minikube start --kubernetes-version=${KUBE_VERSION} ${MINIKUBE_ARGS}
-# Fix the kubectl context, as it's often stale.
-- sudo minikube update-context
-# Prevent Permission denied
-- sudo chown -R ${USER} ${HOME}/.kube ${HOME}/.minikube
-# Wait for Kubernetes to be up and ready.
-- JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}'; until kubectl get nodes -o jsonpath="$JSONPATH" 2>&1 | grep -q "Ready=True"; do sleep 1; done
+# Download and install kubectl
+- curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
+# Build and install kind
+- go get sigs.k8s.io/kind
+# Create a new kubernetes cluster
+- kind create cluster --image="kindest/node:${NODE_VERSION}"
+# Set KUBECONFIG environment variable
+- export KUBECONFIG="$(kind get kubeconfig-path)"
+# Show version
+- kubectl version
 
 script:
-- ./scripts/verify-authors.sh
-- make lint
 - make test
-- make image
+
+matrix:
+  include:
+  - &bash
+    language: bash
+    go: null
+    env: null
+    before_script: null
+    script:
+    - ./scripts/verify-authors.sh
+  - <<: *bash
+    script:
+    - make lint
+  - <<: *bash
+    script:
+    - make image

assets/out

@@ -12,6 +12,9 @@ set -o pipefail
 exec 3>&1 # make stdout available as fd 3 for the result
 exec 1>&2 # redirect all output to stderr for logging
 
+# Set TMPDIR environment variable to /tmp if it does not defined
+export TMPDIR="${TMPDIR:-/tmp}"
+
 # shellcheck source=assets/common.sh
 source "$(dirname "$0")/common.sh"
 

scripts/run-bats.sh

@@ -2,17 +2,7 @@
 
 set -e
 
-context="$(kubectl config current-context)"
-
-# Change the current-context to minikube
-kubectl config use-context minikube
-
 for bats_file in $(find test -name "*.bats"); do
   echo "=> $bats_file"
   bats "$bats_file"
 done
-
-if [[ "$context" != "minikube" ]]; then
-  echo "Restore the current-context to $context"
-  kubectl config use-context "$context"
-fi

test/suite.bats

@@ -44,7 +44,7 @@ teardown() {
   run assets/out <<< "$(jq -n '{"source": {"kubeconfig": $kubeconfig}, "params": {"kubectl": $kubectl}}' \
     --arg kubeconfig "$(cat "$kubeconfig_file")" \
     --arg kubectl "run nginx --image nginx")"
-  assert_match 'deployment.apps "nginx" created' "$output"
+  assert_match 'deployment.apps/nginx created' "$output"
   assert_success
 }
 
@@ -93,7 +93,7 @@ teardown() {
   run assets/out <<< "$(jq -n '{"source": {"kubeconfig": $kubeconfig}, "params": {"kubectl": $kubectl}}' \
     --arg kubeconfig "$(cat "$kubeconfig_file")" \
     --arg kubectl "patch deploy nginx -p '{\"spec\":{\"template\":{\"metadata\":{\"labels\":{\"updated_at\":\"'\$(date +%s)'\"}}}}}'")"
-  assert_match 'deployment.extensions "nginx" patched' "$output"
+  assert_match 'deployment.extensions/nginx patched' "$output"
   assert_success
 
   run kubectl --kubeconfig "$kubeconfig_file" get deploy nginx -o go-template --template "{{.spec.template.metadata.labels.updated_at}}"
@@ -106,6 +106,6 @@ teardown() {
   run assets/out <<< "$(jq -n '{"source": {"kubeconfig": $kubeconfig}, "params": {"kubectl": $kubectl}}' \
     --arg kubeconfig "$(cat "$kubeconfig_file")" \
     --arg kubectl "run nginx --image nginx --requests='cpu=1000'")"
-  assert_match 'deployment.apps "nginx" created' "$output"
+  assert_match 'deployment.apps/nginx created' "$output"
   assert_failure
 }