initial commit

.gitignore

@@ -4,12 +4,19 @@
 *.dll
 *.so
 *.dylib
+bin
 
-# Test binary, built with `go test -c`
+# Test binary, build with `go test -c`
 *.test
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
-# Dependency directories (remove the comment below to include it)
-# vendor/
+# Kubernetes Generated files - skip generated files, except for vendored files
+!vendor/**/zz_generated.*
+
+# editor and IDE paraphernalia
+.idea
+*.swp
+*.swo
+*~

Dockerfile

@@ -0,0 +1,27 @@
+# Build the manager binary
+FROM golang:1.13 as builder
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY main.go main.go
+COPY api/ api/
+COPY controllers/ controllers/
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go
+
+# Use distroless as minimal base image to package the manager binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER nonroot:nonroot
+
+ENTRYPOINT ["/manager"]

Makefile

@@ -0,0 +1,95 @@
+
+# Image URL to use all building/pushing image targets
+IMG ?= controller:latest
+# Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
+CRD_OPTIONS ?= "crd:trivialVersions=true"
+
+# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
+ifeq (,$(shell go env GOBIN))
+GOBIN=$(shell go env GOPATH)/bin
+else
+GOBIN=$(shell go env GOBIN)
+endif
+
+all: manager
+
+# Run tests
+test: generate fmt vet manifests
+	go test ./... -coverprofile cover.out
+
+# Build manager binary
+manager: generate fmt vet
+	go build -o bin/manager main.go
+
+# Run against the configured Kubernetes cluster in ~/.kube/config
+run: generate fmt vet manifests
+	go run ./main.go
+
+# Install CRDs into a cluster
+install: manifests kustomize
+	$(KUSTOMIZE) build config/crd | kubectl apply -f -
+
+# Uninstall CRDs from a cluster
+uninstall: manifests kustomize
+	$(KUSTOMIZE) build config/crd | kubectl delete -f -
+
+# Deploy controller in the configured Kubernetes cluster in ~/.kube/config
+deploy: manifests kustomize
+	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
+	$(KUSTOMIZE) build config/default | kubectl apply -f -
+
+# Generate manifests e.g. CRD, RBAC etc.
+manifests: controller-gen
+	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+
+# Run go fmt against code
+fmt:
+	go fmt ./...
+
+# Run go vet against code
+vet:
+	go vet ./...
+
+# Generate code
+generate: controller-gen
+	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
+
+# Build the docker image
+docker-build: test
+	docker build . -t ${IMG}
+
+# Push the docker image
+docker-push:
+	docker push ${IMG}
+
+# find or download controller-gen
+# download controller-gen if necessary
+controller-gen:
+ifeq (, $(shell which controller-gen))
+	@{ \
+	set -e ;\
+	CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\
+	cd $$CONTROLLER_GEN_TMP_DIR ;\
+	go mod init tmp ;\
+	go get sigs.k8s.io/controller-tools/cmd/[email protected] ;\
+	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
+	}
+CONTROLLER_GEN=$(GOBIN)/controller-gen
+else
+CONTROLLER_GEN=$(shell which controller-gen)
+endif
+
+kustomize:
+ifeq (, $(shell which kustomize))
+	@{ \
+	set -e ;\
+	KUSTOMIZE_GEN_TMP_DIR=$$(mktemp -d) ;\
+	cd $$KUSTOMIZE_GEN_TMP_DIR ;\
+	go mod init tmp ;\
+	go get sigs.k8s.io/kustomize/kustomize/[email protected] ;\
+	rm -rf $$KUSTOMIZE_GEN_TMP_DIR ;\
+	}
+KUSTOMIZE=$(GOBIN)/kustomize
+else
+KUSTOMIZE=$(shell which kustomize)
+endif

PROJECT

@@ -0,0 +1,7 @@
+domain: k6.io
+repo: github.com/k6io/operator
+resources:
+- group: test
+  kind: K6
+  version: v1alpha1
+version: "2"

api/v1alpha1/groupversion_info.go

@@ -0,0 +1,20 @@
+// Package v1alpha1 contains API Schema definitions for the test v1alpha1 API group
+// +kubebuilder:object:generate=true
+// +groupName=test.k6.io
+package v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"sigs.k8s.io/controller-runtime/pkg/scheme"
+)
+
+var (
+	// GroupVersion is group version used to register these objects
+	GroupVersion = schema.GroupVersion{Group: "test.k6.io", Version: "v1alpha1"}
+
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme
+	SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
+
+	// AddToScheme adds the types in this group-version to the given scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
+)

api/v1alpha1/k6_types.go

@@ -0,0 +1,40 @@
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// K6Spec defines the desired state of K6
+type K6Spec struct {
+	Script       string `json:"script"`
+	Options      string `json:"options,omitempty"`
+	Nodes        int32  `json:"Parallelism"`
+}
+
+// K6Status defines the observed state of K6
+type K6Status struct {
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:subresource:status
+
+// K6 is the Schema for the k6s API
+type K6 struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	Spec              K6Spec   `json:"spec,omitempty"`
+	Status            K6Status `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// K6List contains a list of K6
+type K6List struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []K6 `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&K6{}, &K6List{})
+}

config/certmanager/certificate.yaml

@@ -0,0 +1,26 @@
+# The following manifests contain a self-signed issuer CR and a certificate CR.
+# More document can be found at https://docs.cert-manager.io
+# WARNING: Targets CertManager 0.11 check https://docs.cert-manager.io/en/latest/tasks/upgrading/index.html for 
+# breaking changes
+apiVersion: cert-manager.io/v1alpha2
+kind: Issuer
+metadata:
+  name: selfsigned-issuer
+  namespace: system
+spec:
+  selfSigned: {}
+---
+apiVersion: cert-manager.io/v1alpha2
+kind: Certificate
+metadata:
+  name: serving-cert  # this name should match the one appeared in kustomizeconfig.yaml
+  namespace: system
+spec:
+  # $(SERVICE_NAME) and $(SERVICE_NAMESPACE) will be substituted by kustomize
+  dnsNames:
+  - $(SERVICE_NAME).$(SERVICE_NAMESPACE).svc
+  - $(SERVICE_NAME).$(SERVICE_NAMESPACE).svc.cluster.local
+  issuerRef:
+    kind: Issuer
+    name: selfsigned-issuer
+  secretName: webhook-server-cert # this secret will not be prefixed, since it's not managed by kustomize

config/certmanager/kustomization.yaml

@@ -0,0 +1,5 @@
+resources:
+- certificate.yaml
+
+configurations:
+- kustomizeconfig.yaml

config/certmanager/kustomizeconfig.yaml

@@ -0,0 +1,16 @@
+# This configuration is for teaching kustomize how to update name ref and var substitution 
+nameReference:
+- kind: Issuer
+  group: cert-manager.io
+  fieldSpecs:
+  - kind: Certificate
+    group: cert-manager.io
+    path: spec/issuerRef/name
+
+varReference:
+- kind: Certificate
+  group: cert-manager.io
+  path: spec/commonName
+- kind: Certificate
+  group: cert-manager.io
+  path: spec/dnsNames