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Add reconcile loop of Jenkins base configuration

This commit is contained in:
Tomasz Sęk 2018-12-06 09:29:38 +01:00
parent 14950293c5
commit 54aa39c502
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37 changed files with 1769 additions and 137 deletions
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1
.gitignore vendored
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@ -1,5 +1,6 @@
.idea
vendor
deploy/namespace-init.yaml
# Temporary Build Files
build/_output

375
Gopkg.lock generated
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@ -2,245 +2,431 @@
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@ -268,32 +458,38 @@
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version = "v1.2.0"
pruneopts = "NT"
revision = "4a4468ece617fc8205e99368fa2200e9d1fad421"
version = "v1.3.0"
[[projects]]
digest = "1:2d1fbdc6777e5408cabeb02bf336305e724b925ff4546ded0fa8715a7267922a"
name = "gopkg.in/inf.v0"
packages = ["."]
pruneopts = "NT"
revision = "d2d2541c53f18d2a059457998ce2876cc8e67cbf"
version = "v0.9.1"
[[projects]]
digest = "1:7c95b35057a0ff2e19f707173cc1a947fa43a6eb5c4d300d196ece0334046082"
name = "gopkg.in/yaml.v2"
packages = ["."]
pruneopts = "NT"
revision = "5420a8b6744d3b0345ab293f6fcba19c978f1183"
version = "v2.2.1"
[[projects]]
digest = "1:f11e5753e619f411a51a49d60d39b2bc4da6766f5f0af2e2291daa6a3d9385d5"
name = "k8s.io/api"
packages = [
"admission/v1beta1",
@ -393,11 +601,24 @@
"settings/v1alpha1",
"storage/v1",
"storage/v1alpha1",
"storage/v1beta1"
"storage/v1beta1",
]
pruneopts = "NT"
revision = "2d6f90ab1293a1fb871cf149423ebb72aa7423aa"
[[projects]]
digest = "1:117a407949aaaad9f7fbe3da8d6c2055f2c223ac0cbebd39f47ff71899622a91"
name = "k8s.io/apiextensions-apiserver"
packages = [
"pkg/apis/apiextensions",
"pkg/apis/apiextensions/v1beta1",
"pkg/client/clientset/clientset/scheme",
]
pruneopts = "NT"
revision = "408db4a50408e2149acbd657bceb2480c13cb0a4"
[[projects]]
digest = "1:b07bf863262aae765494d60f0d524483f211b29f9bb27d445a79c13af8676bf2"
name = "k8s.io/apimachinery"
packages = [
"pkg/api/errors",
@ -441,14 +662,18 @@
"pkg/version",
"pkg/watch",
"third_party/forked/golang/json",
"third_party/forked/golang/reflect"
"third_party/forked/golang/reflect",
]
pruneopts = "NT"
revision = "103fd098999dc9c0c88536f5c9ad2e5da39373ae"
[[projects]]
digest = "1:1689a49a3ebc6e379849181f1e0899fccf143cab47586078721818bdcdb712bc"
name = "k8s.io/client-go"
packages = [
"deprecated-dynamic",
"discovery",
"discovery/cached",
"dynamic",
"kubernetes",
"kubernetes/scheme",
@ -511,11 +736,14 @@
"util/homedir",
"util/integer",
"util/jsonpath",
"util/retry"
"util/retry",
"util/workqueue",
]
pruneopts = "NT"
revision = "1f13a808da65775f22cbf47862c4e5898d8f4ca1"
[[projects]]
digest = "1:8ab487a323486c8bbbaa3b689850487fdccc6cbea8690620e083b2d230a4447e"
name = "k8s.io/code-generator"
packages = [
"cmd/client-gen",
@ -541,12 +769,14 @@
"cmd/lister-gen/generators",
"cmd/openapi-gen",
"cmd/openapi-gen/args",
"pkg/util"
"pkg/util",
]
pruneopts = "T"
revision = "6702109cc68eb6fe6350b83e14407c8d7309fd1a"
[[projects]]
branch = "master"
digest = "1:c84b5ef38d786290246a9cc791a48b6ed890cd32468179a51a91492161ec6d65"
name = "k8s.io/gengo"
packages = [
"args",
@ -556,12 +786,13 @@
"generator",
"namer",
"parser",
"types"
"types",
]
pruneopts = "NT"
revision = "7338e4bfd6915369a1375890db1bbda0158c9863"
[[projects]]
branch = "master"
digest = "1:c48a795cd7048bb1888273bc604b6e69b22f9b8089c3df65f77cc527757b515c"
name = "k8s.io/kube-openapi"
packages = [
"cmd/openapi-gen/args",
@ -569,11 +800,13 @@
"pkg/generators",
"pkg/generators/rules",
"pkg/util/proto",
"pkg/util/sets"
"pkg/util/sets",
]
revision = "96e8bb74ecdddb93a882ef95d2b8ec49e93168ee"
pruneopts = "NT"
revision = "0cf8f7e6ed1d2e3d47d02e3b6e559369af24d803"
[[projects]]
digest = "1:d1b7a6ed45c957e6308759f31fdbff8063741ecb08b7c3b6d67f0c9f4357b2ae"
name = "sigs.k8s.io/controller-runtime"
packages = [
"pkg/cache",
@ -581,24 +814,76 @@
"pkg/client",
"pkg/client/apiutil",
"pkg/client/config",
"pkg/controller",
"pkg/controller/controllerutil",
"pkg/event",
"pkg/handler",
"pkg/internal/controller",
"pkg/internal/recorder",
"pkg/leaderelection",
"pkg/manager",
"pkg/patch",
"pkg/predicate",
"pkg/reconcile",
"pkg/recorder",
"pkg/runtime/inject",
"pkg/runtime/log",
"pkg/runtime/scheme",
"pkg/runtime/signals",
"pkg/source",
"pkg/source/internal",
"pkg/webhook/admission",
"pkg/webhook/admission/types",
"pkg/webhook/types"
"pkg/webhook/types",
]
revision = "53fc44b56078cd095b11bd44cfa0288ee4cf718f"
version = "v0.1.4"
pruneopts = "NT"
revision = "5fd1e9e9fac5261e9ad9d47c375afc014fc31d21"
version = "v0.1.7"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "9770b0fb0242b365a1b827dd7a2b2d675d9f86e7d80565012a2df243730476a2"
input-imports = [
"github.com/bndr/gojenkins",
"github.com/docker/distribution/reference",
"github.com/go-logr/logr",
"github.com/go-logr/zapr",
"github.com/operator-framework/operator-sdk/pkg/k8sutil",
"github.com/operator-framework/operator-sdk/pkg/sdk",
"github.com/operator-framework/operator-sdk/pkg/test",
"github.com/operator-framework/operator-sdk/pkg/test/e2eutil",
"github.com/operator-framework/operator-sdk/version",
"go.uber.org/zap",
"k8s.io/api/core/v1",
"k8s.io/apimachinery/pkg/api/errors",
"k8s.io/apimachinery/pkg/api/resource",
"k8s.io/apimachinery/pkg/apis/meta/v1",
"k8s.io/apimachinery/pkg/labels",
"k8s.io/apimachinery/pkg/runtime",
"k8s.io/apimachinery/pkg/runtime/schema",
"k8s.io/apimachinery/pkg/types",
"k8s.io/apimachinery/pkg/util/intstr",
"k8s.io/apimachinery/pkg/util/wait",
"k8s.io/client-go/plugin/pkg/client/auth/gcp",
"k8s.io/code-generator/cmd/client-gen",
"k8s.io/code-generator/cmd/conversion-gen",
"k8s.io/code-generator/cmd/deepcopy-gen",
"k8s.io/code-generator/cmd/defaulter-gen",
"k8s.io/code-generator/cmd/informer-gen",
"k8s.io/code-generator/cmd/lister-gen",
"k8s.io/code-generator/cmd/openapi-gen",
"k8s.io/gengo/args",
"sigs.k8s.io/controller-runtime/pkg/client",
"sigs.k8s.io/controller-runtime/pkg/client/config",
"sigs.k8s.io/controller-runtime/pkg/controller",
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil",
"sigs.k8s.io/controller-runtime/pkg/handler",
"sigs.k8s.io/controller-runtime/pkg/manager",
"sigs.k8s.io/controller-runtime/pkg/reconcile",
"sigs.k8s.io/controller-runtime/pkg/runtime/log",
"sigs.k8s.io/controller-runtime/pkg/runtime/scheme",
"sigs.k8s.io/controller-runtime/pkg/runtime/signals",
"sigs.k8s.io/controller-runtime/pkg/source",
]
solver-name = "gps-cdcl"
solver-version = 1

20
Makefile
View File

@ -103,7 +103,7 @@ build: $(NAME) ## Builds a dynamic executable or package
.PHONY: $(NAME)
$(NAME): $(wildcard *.go) $(wildcard */*.go) VERSION.txt
@echo "+ $@"
go build -tags "$(BUILDTAGS)" ${GO_LDFLAGS} -o build/_output/bin/$(NAME) $(BUILD_PATH)
CGO_ENABLED=0 go build -tags "$(BUILDTAGS)" ${GO_LDFLAGS} -o build/_output/bin/$(NAME) $(BUILD_PATH)
.PHONY: static
static: ## Builds a static executable
@ -144,6 +144,24 @@ test: ## Runs the go tests
CURRENT_DIRECTORY := $(shell pwd)
e2e: ## Runs e2e tests
@echo "+ $@"
@echo "E2E_IMAGE: $(E2E_IMAGE)"
ifeq ($(E2E_IMAGE),)
$(error You must provide an image to e2e tests)
endif
cp deploy/service_account.yaml deploy/namespace-init.yaml
cat deploy/role.yaml >> deploy/namespace-init.yaml
cat deploy/role_binding.yaml >> deploy/namespace-init.yaml
cat deploy/operator.yaml >> deploy/namespace-init.yaml
sed -i 's|REPLACE_IMAGE|$(E2E_IMAGE)|g' deploy/namespace-init.yaml
ifeq ($(ENVIRONMENT),minikube)
sed -i 's|imagePullPolicy: IfNotPresent|imagePullPolicy: Never|g' deploy/namespace-init.yaml
sed -i 's|REPLACE_ARGS|args: ["--minikube"]|g' deploy/namespace-init.yaml
else
sed -i 's|REPLACE_ARGS||g' deploy/namespace-init.yaml
endif
@RUNNING_TESTS=1 go test -parallel=2 "./test/e2e/" -tags "$(BUILDTAGS) cgo" -v \
-root=$(CURRENT_DIRECTORY) -kubeconfig=$(HOME)/.kube/config -globalMan deploy/crds/virtuslab_v1alpha1_jenkins_crd.yaml -namespacedMan deploy/namespace-init.yaml
.PHONY: vet
vet: ## Verifies `go vet` passes

21
README.md
View File

@ -1,2 +1,23 @@
# jenkins-operator
Kubernetes native Jenkins operator
## Developer guide
## TODO
- send Kubernetes events
Base configuration:
- install configuration as a code Jenkins plugin
- restart Jenkins when scripts config map or base configuration config map have changed
- install and configure Kubernetes plugin
- disable insecure options
User configuration:
- AWS s3 restore backup job
- AWS s3 backup job
- create and run seed jobs
- apply custom configuration by configuration as a code Jenkins plugin
- trigger backup job before pod deletion
- verify Jenkins configuration events

2
VERSION.txt
View File

@ -1 +1 @@
0.0.1
v0.0.1

4
build/Dockerfile
View File

@ -1,5 +1,7 @@
FROM alpine:3.6
FROM alpine:3.8
USER nobody
ADD build/_output/bin/jenkins-operator /usr/local/bin/jenkins-operator
CMD [ "/usr/local/bin/jenkins-operator" ]

17
cmd/manager/main.go
View File

@ -11,8 +11,8 @@ import (
"github.com/VirtusLab/jenkins-operator/pkg/log"
"github.com/VirtusLab/jenkins-operator/version"
"github.com/operator-framework/operator-sdk/pkg/sdk"
"github.com/operator-framework/operator-sdk/pkg/k8sutil"
"github.com/operator-framework/operator-sdk/pkg/sdk"
sdkVersion "github.com/operator-framework/operator-sdk/version"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
"sigs.k8s.io/controller-runtime/pkg/client/config"
@ -20,30 +20,29 @@ import (
"sigs.k8s.io/controller-runtime/pkg/runtime/signals"
)
func printInfo(namespace string) {
func printInfo() {
log.Log.Info(fmt.Sprintf("Version: %s", version.Version))
log.Log.Info(fmt.Sprintf("Git commit: %s", version.GitCommit))
log.Log.Info(fmt.Sprintf("Go Version: %s", runtime.Version()))
log.Log.Info(fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH))
log.Log.Info(fmt.Sprintf("operator-sdk Version: %v", sdkVersion.Version))
log.Log.Info(fmt.Sprintf("watch namespace: %v", namespace))
}
func main() {
minikube := flag.Bool("minikube", false, "Use minikube as a Kubernetes platform")
local := flag.Bool("local", false, "Run operator locally")
debug := flag.Bool("debug", false, "Set log level to debug")
flag.Parse()
if err := log.SetupLogger(debug); err != nil {
log.Log.Error(err, "unable to construct the logger")
os.Exit(-1)
}
log.SetupLogger(debug)
printInfo()
namespace, err := k8sutil.GetWatchNamespace()
if err != nil {
log.Log.Error(err, "failed to get watch namespace")
os.Exit(-1)
}
printInfo(namespace)
log.Log.Info(fmt.Sprintf("watch namespace: %v", namespace))
sdk.ExposeMetricsPort()
@ -70,7 +69,7 @@ func main() {
}
// Setup all Controllers
if err := controller.AddToManager(mgr); err != nil {
if err := controller.AddToManager(mgr, *local, *minikube); err != nil {
log.Log.Error(err, "failed to setup controllers")
os.Exit(-1)
}

6
deploy/crds/virtuslab_v1alpha1_jenkins_cr.yaml
View File

@ -1,7 +1,7 @@
apiVersion: virtuslab.com/v1alpha1
kind: Jenkins
metadata:
name: example-jenkins
name: example
spec:
# Add fields here
size: 3
master:
image: jenkins/jenkins

4
deploy/operator.yaml
View File

@ -1,3 +1,4 @@
---
apiVersion: apps/v1
kind: Deployment
metadata:
@ -22,7 +23,8 @@ spec:
name: metrics
command:
- jenkins-operator
imagePullPolicy: Always
REPLACE_ARGS
imagePullPolicy: IfNotPresent
env:
- name: WATCH_NAMESPACE
valueFrom:

1
deploy/role.yaml
View File

@ -1,3 +1,4 @@
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:

1
deploy/role_binding.yaml
View File

@ -1,3 +1,4 @@
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:

1
deploy/service_account.yaml
View File

@ -1,3 +1,4 @@
---
apiVersion: v1
kind: ServiceAccount
metadata:

10
pkg/apis/virtuslab/v1alpha1/jenkins_types.go
View File

@ -1,6 +1,7 @@
package v1alpha1
import (
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
@ -11,12 +12,21 @@ import (
type JenkinsSpec struct {
// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
// Important: Run "operator-sdk generate k8s" to regenerate code after modifying this file
Master JenkinsMaster `json:"master,omitempty"`
}
// JenkinsMaster defines the Jenkins master pod attributes
type JenkinsMaster struct {
Image string `json:"image,omitempty"`
Annotations map[string]string `json:"masterAnnotations,omitempty"`
Resources corev1.ResourceRequirements `json:"resources,omitempty"`
}
// JenkinsStatus defines the observed state of Jenkins
type JenkinsStatus struct {
// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
// Important: Run "operator-sdk generate k8s" to regenerate code after modifying this file
BaseConfigurationCompletedTime *metav1.Time `json:"baseConfigurationCompletedTime,omitempty"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

5
pkg/apis/virtuslab/v1alpha1/register.go
View File

@ -10,6 +10,11 @@ import (
"sigs.k8s.io/controller-runtime/pkg/runtime/scheme"
)
const (
// Kind defines Jenkins CRD kind name
Kind = "Jenkins"
)
var (
// SchemeGroupVersion is group version used to register these objects
SchemeGroupVersion = schema.GroupVersion{Group: "virtuslab.com", Version: "v1alpha1"}

33
pkg/apis/virtuslab/v1alpha1/zz_generated.deepcopy.go
View File

@ -29,8 +29,8 @@ func (in *Jenkins) DeepCopyInto(out *Jenkins) {
*out = *in
out.TypeMeta = in.TypeMeta
in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
out.Spec = in.Spec
out.Status = in.Status
in.Spec.DeepCopyInto(&out.Spec)
in.Status.DeepCopyInto(&out.Status)
return
}
@ -85,9 +85,34 @@ func (in *JenkinsList) DeepCopyObject() runtime.Object {
return nil
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *JenkinsMaster) DeepCopyInto(out *JenkinsMaster) {
*out = *in
if in.Annotations != nil {
in, out := &in.Annotations, &out.Annotations
*out = make(map[string]string, len(*in))
for key, val := range *in {
(*out)[key] = val
}
}
in.Resources.DeepCopyInto(&out.Resources)
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new JenkinsMaster.
func (in *JenkinsMaster) DeepCopy() *JenkinsMaster {
if in == nil {
return nil
}
out := new(JenkinsMaster)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *JenkinsSpec) DeepCopyInto(out *JenkinsSpec) {
*out = *in
in.Master.DeepCopyInto(&out.Master)
return
}
@ -104,6 +129,10 @@ func (in *JenkinsSpec) DeepCopy() *JenkinsSpec {
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *JenkinsStatus) DeepCopyInto(out *JenkinsStatus) {
*out = *in
if in.BaseConfigurationCompletedTime != nil {
in, out := &in.BaseConfigurationCompletedTime, &out.BaseConfigurationCompletedTime
*out = (*in).DeepCopy()
}
return
}

6
pkg/controller/controller.go
View File

@ -5,12 +5,12 @@ import (
)
// AddToManagerFuncs is a list of functions to add all Controllers to the Manager
var AddToManagerFuncs []func(manager.Manager) error
var AddToManagerFuncs []func(manager manager.Manager, local, minikube bool) error
// AddToManager adds all Controllers to the Manager
func AddToManager(m manager.Manager) error {
func AddToManager(m manager.Manager, local, minikube bool) error {
for _, f := range AddToManagerFuncs {
if err := f(m); err != nil {
if err := f(m, local, minikube); err != nil {
return err
}
}

100
pkg/controller/jenkins/client/jenkins.go Normal file
View File

@ -0,0 +1,100 @@
package client
import (
"bytes"
"fmt"
"net/http"
"os/exec"
"strings"
"github.com/bndr/gojenkins"
)
// Jenkins defines Jenkins API
type Jenkins interface {
GenerateToken(userName, tokenName string) (*UserToken, error)
//Info() (*gojenkins.executorResponse, error)
CreateNode(name string, numExecutors int, description string, remoteFS string, options ...interface{}) (*gojenkins.Node, error)
CreateJob(config string, options ...interface{}) (*gojenkins.Job, error)
RenameJob(job string, name string) *gojenkins.Job
CopyJob(copyFrom string, newName string) (*gojenkins.Job, error)
DeleteJob(name string) (bool, error)
BuildJob(name string, options ...interface{}) (bool, error)
GetNode(name string) (*gojenkins.Node, error)
GetBuild(jobName string, number int64) (*gojenkins.Build, error)
GetJob(id string) (*gojenkins.Job, error)
GetAllNodes() ([]*gojenkins.Node, error)
//GetAllBuildIds(job string) ([]jobBuild, error)
//GetAllJobNames() ([]job, error)
GetAllJobs() ([]*gojenkins.Job, error)
GetQueue() (*gojenkins.Queue, error)
GetQueueUrl() string
//GetArtifactData(id string) (*fingerPrintResponse, error)
GetPlugins(depth int) (*gojenkins.Plugins, error)
HasPlugin(name string) (*gojenkins.Plugin, error)
ValidateFingerPrint(id string) (bool, error)
GetView(name string) (*gojenkins.View, error)
GetAllViews() ([]*gojenkins.View, error)
CreateView(name string, viewType string) (*gojenkins.View, error)
}
type jenkins struct {
gojenkins.Jenkins
}
// BuildJenkinsAPIUrl returns Jenkins API URL
func BuildJenkinsAPIUrl(namespace, serviceName string, portNumber int, local, minikube bool) (string, error) {
// Get Jenkins URL from minikube command
if local && minikube {
cmd := exec.Command("minikube", "service", "--url", "-n", namespace, serviceName)
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
return "", err
}
lines := strings.Split(out.String(), "\n")
// First is for http, the second one is for Jenkins slaves communication
// see pkg/controller/jenkins/configuration/base/resources/service.go
url := lines[0]
return url, nil
}
if local {
// When run locally make port-forward to jenkins pod ('kubectl -n default port-forward jenkins-operator-example 8080')
return fmt.Sprintf("http://localhost:%d", portNumber), nil
}
// Connect through Kubernetes service, operator has to be run inside cluster
return fmt.Sprintf("http://%s:%d", serviceName, portNumber), nil
}
// New creates Jenkins API client
func New(url, user, passwordOrToken string) (Jenkins, error) {
if strings.HasSuffix(url, "/") {
url = url[:len(url)-1]
}
jenkinsClient := &jenkins{}
jenkinsClient.Server = url
jenkinsClient.Requester = &gojenkins.Requester{
Base: url,
SslVerify: true,
Client: http.DefaultClient,
BasicAuth: &gojenkins.BasicAuth{Username: user, Password: passwordOrToken},
Headers: http.Header{},
}
if _, err := jenkinsClient.Init(); err != nil {
return nil, err
}
status, err := jenkinsClient.Poll()
if err != nil {
return nil, err
}
if status != http.StatusOK {
return nil, fmt.Errorf("Invalid status code returned: %d", status)
}
return jenkinsClient, nil
}

52
pkg/controller/jenkins/client/token.go Normal file
View File

@ -0,0 +1,52 @@
package client
import (
"errors"
"fmt"
"net/http"
"strconv"
)
type userTokenResponseData struct {
Name string `json:"tokenName"`
UUID string `json:"tokenUuid"`
Value string `json:"tokenValue"`
}
type userTokenResponse struct {
Status string `json:"status"`
Data userTokenResponseData `json:"data"`
}
// UserToken defines user token for Jenkins API communication
type UserToken struct {
raw *userTokenResponse
base string
}
// GetToken returns user token
func (token *UserToken) GetToken() string {
return token.raw.Data.Value
}
func (jenkins *jenkins) GenerateToken(userName, tokenName string) (*UserToken, error) {
token := &UserToken{raw: new(userTokenResponse),
base: fmt.Sprintf("/user/%s/descriptorByName/jenkins.security.ApiTokenProperty/generateNewToken", userName)}
endpoint := token.base
data := map[string]string{"newTokenName": tokenName}
r, err := jenkins.Requester.Post(endpoint, nil, token.raw, data)
if err != nil {
return nil, err
}
if r.StatusCode == http.StatusOK {
if token.raw.Status == "ok" {
return token, nil
}
return nil, errors.New(token.raw.Status)
}
return nil, errors.New(strconv.Itoa(r.StatusCode))
}

302
pkg/controller/jenkins/configuration/base/reconcile.go Normal file
View File

@ -0,0 +1,302 @@
package base
import (
"context"
"fmt"
"reflect"
"time"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
jenkinsclient "github.com/VirtusLab/jenkins-operator/pkg/controller/jenkins/client"
"github.com/VirtusLab/jenkins-operator/pkg/controller/jenkins/configuration/base/resources"
"github.com/VirtusLab/jenkins-operator/pkg/log"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
// ReconcileJenkinsBaseConfiguration defines values required for Jenkins base configuration
type ReconcileJenkinsBaseConfiguration struct {
client client.Client
scheme *runtime.Scheme
logger logr.Logger
jenkins *virtuslabv1alpha1.Jenkins
local, minikube bool
}
// New create structure which takes care of base configuration
func New(client client.Client, scheme *runtime.Scheme, logger logr.Logger,
jenkins *virtuslabv1alpha1.Jenkins, local, minikube bool) *ReconcileJenkinsBaseConfiguration {
return &ReconcileJenkinsBaseConfiguration{
client: client,
scheme: scheme,
logger: logger,
jenkins: jenkins,
local: local,
minikube: minikube,
}
}
// Reconcile takes care of base configuration
func (r *ReconcileJenkinsBaseConfiguration) Reconcile() (*reconcile.Result, error) {
if !r.validate(r.jenkins) {
r.logger.V(log.VWarn).Info("Please correct Jenkins CR")
return &reconcile.Result{}, nil
}
metaObject := resources.NewResourceObjectMeta(r.jenkins)
if err := r.createOperatorCredentialsSecret(metaObject); err != nil {
return &reconcile.Result{}, err
}
r.logger.V(log.VDebug).Info("Operator credentials secret is present")
if err := r.createScriptsConfigMap(metaObject); err != nil {
return &reconcile.Result{}, err
}
r.logger.V(log.VDebug).Info("Scripts config map is present")
if err := r.createBaseConfigurationConfigMap(metaObject); err != nil {
return &reconcile.Result{}, err
}
r.logger.V(log.VDebug).Info("Base configuration config map is present")
if err := r.createService(metaObject); err != nil {
return &reconcile.Result{}, err
}
r.logger.V(log.VDebug).Info("Service is present")
result, err := r.createJenkinsMasterPod(metaObject)
if err != nil {
return &reconcile.Result{}, err
}
if result != nil {
return result, nil
}
r.logger.V(log.VDebug).Info("Jenkins master pod is present")
result, err = r.waitForJenkins(metaObject)
if err != nil {
return &reconcile.Result{}, err
}
if result != nil {
return result, nil
}
r.logger.V(log.VDebug).Info("Jenkins master pod is ready")
_, err = r.getJenkinsClient(metaObject)
if err != nil {
return &reconcile.Result{}, err
}
r.logger.V(log.VDebug).Info("Jenkins API client set")
return nil, nil
}
func (r *ReconcileJenkinsBaseConfiguration) createOperatorCredentialsSecret(meta metav1.ObjectMeta) error {
found := &corev1.Secret{}
err := r.client.Get(context.TODO(), types.NamespacedName{Name: resources.GetOperatorCredentialsSecretName(r.jenkins), Namespace: r.jenkins.ObjectMeta.Namespace}, found)
if err != nil && apierrors.IsNotFound(err) {
return r.createResource(resources.NewOperatorCredentialsSecret(meta, r.jenkins))
} else if err != nil && !apierrors.IsNotFound(err) {
return err
}
if found.Data[resources.OperatorCredentialsSecretUserNameKey] != nil &&
found.Data[resources.OperatorCredentialsSecretPasswordKey] != nil {
return nil
}
return r.updateResource(resources.NewOperatorCredentialsSecret(meta, r.jenkins))
}
func (r *ReconcileJenkinsBaseConfiguration) createScriptsConfigMap(meta metav1.ObjectMeta) error {
scripts, err := resources.NewScriptsConfigMap(meta, r.jenkins)
if err != nil {
return err
}
return r.createOrUpdateResource(scripts)
}
func (r *ReconcileJenkinsBaseConfiguration) createBaseConfigurationConfigMap(meta metav1.ObjectMeta) error {
scripts, err := resources.NewBaseConfigurationConfigMap(meta, r.jenkins)
if err != nil {
return err
}
return r.createOrUpdateResource(scripts)
}
func (r *ReconcileJenkinsBaseConfiguration) createService(meta metav1.ObjectMeta) error {
err := r.createResource(resources.NewService(&meta, r.minikube))
if err != nil && !apierrors.IsAlreadyExists(err) {
return err
}
return nil
}
func (r *ReconcileJenkinsBaseConfiguration) getJenkinsMasterPod(meta metav1.ObjectMeta) (*corev1.Pod, error) {
jenkinsMasterPod := resources.NewJenkinsMasterPod(meta, r.jenkins)
currentJenkinsMasterPod := &corev1.Pod{}
err := r.client.Get(context.TODO(), types.NamespacedName{Name: jenkinsMasterPod.Name, Namespace: jenkinsMasterPod.Namespace}, currentJenkinsMasterPod)
if err != nil {
return nil, err
}
return currentJenkinsMasterPod, nil
}
func (r *ReconcileJenkinsBaseConfiguration) createJenkinsMasterPod(meta metav1.ObjectMeta) (*reconcile.Result, error) {
// Check if this Pod already exists
currentJenkinsMasterPod, err := r.getJenkinsMasterPod(meta)
if err != nil && errors.IsNotFound(err) {
jenkinsMasterPod := resources.NewJenkinsMasterPod(meta, r.jenkins)
r.logger.Info(fmt.Sprintf("Creating a new Jenkins Master Pod %s/%s", jenkinsMasterPod.Namespace, jenkinsMasterPod.Name))
err = r.createResource(jenkinsMasterPod)
if err != nil {
return nil, err
}
if r.jenkins.Status.BaseConfigurationCompletedTime != nil {
r.jenkins.Status.BaseConfigurationCompletedTime = nil
err = r.updateResource(r.jenkins)
if err != nil {
return nil, err
}
}
return nil, nil
} else if err != nil && !errors.IsNotFound(err) {
return nil, err
}
// Recreate pod
recreatePod := false
if currentJenkinsMasterPod != nil &&
(currentJenkinsMasterPod.Status.Phase == corev1.PodFailed ||
currentJenkinsMasterPod.Status.Phase == corev1.PodSucceeded ||
currentJenkinsMasterPod.Status.Phase == corev1.PodUnknown) {
r.logger.Info(fmt.Sprintf("Invalid Jenkins pod phase %v, recreating pod", currentJenkinsMasterPod.Status.Phase))
recreatePod = true
}
if currentJenkinsMasterPod != nil &&
r.jenkins.Spec.Master.Image != currentJenkinsMasterPod.Spec.Containers[0].Image {
r.logger.Info(fmt.Sprintf("Jenkins image has changed to %v, recreating pod", r.jenkins.Spec.Master.Image))
recreatePod = true
}
if currentJenkinsMasterPod != nil && len(r.jenkins.Spec.Master.Annotations) > 0 &&
!reflect.DeepEqual(r.jenkins.Spec.Master.Annotations, currentJenkinsMasterPod.ObjectMeta.Annotations) {
r.logger.Info(fmt.Sprintf("Jenkins pod annotations have changed to %v, recreating pod", r.jenkins.Spec.Master.Annotations))
recreatePod = true
}
if currentJenkinsMasterPod != nil &&
!reflect.DeepEqual(r.jenkins.Spec.Master.Resources, currentJenkinsMasterPod.Spec.Containers[0].Resources) {
r.logger.Info(fmt.Sprintf("Jenkins pod resources have changed to %v, recreating pod", r.jenkins.Spec.Master.Resources))
recreatePod = true
}
if currentJenkinsMasterPod != nil && recreatePod && currentJenkinsMasterPod.ObjectMeta.DeletionTimestamp == nil {
r.logger.Info(fmt.Sprintf("Terminating Jenkins Master Pod %s/%s", currentJenkinsMasterPod.Namespace, currentJenkinsMasterPod.Name))
if err := r.client.Delete(context.TODO(), currentJenkinsMasterPod); err != nil {
return nil, err
}
return &reconcile.Result{Requeue: true}, nil
}
return nil, nil
}
func (r *ReconcileJenkinsBaseConfiguration) waitForJenkins(meta metav1.ObjectMeta) (*reconcile.Result, error) {
jenkinsMasterPodStatus, err := r.getJenkinsMasterPod(meta)
if err != nil {
return nil, err
}
if jenkinsMasterPodStatus.ObjectMeta.DeletionTimestamp != nil {
r.logger.Info("Jenkins master pod is terminating")
return &reconcile.Result{Requeue: true, RequeueAfter: time.Second * 5}, nil
}
if jenkinsMasterPodStatus.Status.Phase != corev1.PodRunning {
r.logger.Info("Jenkins master pod not ready")
return &reconcile.Result{Requeue: true, RequeueAfter: time.Second * 5}, nil
}
for _, containerStatus := range jenkinsMasterPodStatus.Status.ContainerStatuses {
if !containerStatus.Ready {
r.logger.Info("Jenkins master pod not ready, readiness probe failed")
return &reconcile.Result{Requeue: true, RequeueAfter: time.Second * 5}, nil
}
}
return nil, nil
}
func (r *ReconcileJenkinsBaseConfiguration) getJenkinsClient(meta metav1.ObjectMeta) (jenkinsclient.Jenkins, error) {
jenkinsURL, err := jenkinsclient.BuildJenkinsAPIUrl(
r.jenkins.ObjectMeta.Namespace, meta.Name, resources.HTTPPortInt, r.local, r.minikube)
if err != nil {
return nil, err
}
r.logger.V(log.VDebug).Info(fmt.Sprintf("Jenkins API URL %s", jenkinsURL))
credentialsSecret := &corev1.Secret{}
err = r.client.Get(context.TODO(), types.NamespacedName{Name: resources.GetOperatorCredentialsSecretName(r.jenkins), Namespace: r.jenkins.ObjectMeta.Namespace}, credentialsSecret)
if err != nil {
return nil, err
}
currentJenkinsMasterPod, err := r.getJenkinsMasterPod(meta)
if err != nil {
return nil, err
}
var tokenCreationTime *time.Time
tokenCreationTimeBytes := credentialsSecret.Data[resources.OperatorCredentialsSecretTokenCreationKey]
if tokenCreationTimeBytes != nil {
tokenCreationTime = &time.Time{}
err = tokenCreationTime.UnmarshalText(tokenCreationTimeBytes)
if err != nil {
tokenCreationTime = nil
}
}
if credentialsSecret.Data[resources.OperatorCredentialsSecretTokenKey] == nil ||
tokenCreationTimeBytes == nil || tokenCreationTime == nil ||
currentJenkinsMasterPod.ObjectMeta.CreationTimestamp.Time.UTC().After(tokenCreationTime.UTC()) {
r.logger.Info("Generating Jenkins API token for operator")
userName := string(credentialsSecret.Data[resources.OperatorCredentialsSecretUserNameKey])
jenkinsClient, err := jenkinsclient.New(
jenkinsURL,
userName,
string(credentialsSecret.Data[resources.OperatorCredentialsSecretPasswordKey]))
if err != nil {
return nil, err
}
token, err := jenkinsClient.GenerateToken(userName, "token")
if err != nil {
return nil, err
}
credentialsSecret.Data[resources.OperatorCredentialsSecretTokenKey] = []byte(token.GetToken())
now, _ := time.Now().UTC().MarshalText()
credentialsSecret.Data[resources.OperatorCredentialsSecretTokenCreationKey] = now
err = r.updateResource(credentialsSecret)
if err != nil {
return nil, err
}
}
return jenkinsclient.New(
jenkinsURL,
string(credentialsSecret.Data[resources.OperatorCredentialsSecretUserNameKey]),
string(credentialsSecret.Data[resources.OperatorCredentialsSecretTokenKey]))
}

56
pkg/controller/jenkins/configuration/base/resources.go Normal file
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@ -0,0 +1,56 @@
package base
import (
"context"
"fmt"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
func (r *ReconcileJenkinsBaseConfiguration) createResource(obj metav1.Object) error {
runtimeObj, ok := obj.(runtime.Object)
if !ok {
return fmt.Errorf("is not a %T a runtime.Object", obj)
}
// Set Jenkins instance as the owner and controller
if err := controllerutil.SetControllerReference(r.jenkins, obj, r.scheme); err != nil {
return err
}
return r.client.Create(context.TODO(), runtimeObj)
}
func (r *ReconcileJenkinsBaseConfiguration) updateResource(obj metav1.Object) error {
runtimeObj, ok := obj.(runtime.Object)
if !ok {
return fmt.Errorf("is not a %T a runtime.Object", obj)
}
// Set Jenkins instance as the owner and controller, don't check error(can be already set)
_ = controllerutil.SetControllerReference(r.jenkins, obj, r.scheme)
return r.client.Update(context.TODO(), runtimeObj)
}
func (r *ReconcileJenkinsBaseConfiguration) createOrUpdateResource(obj metav1.Object) error {
runtimeObj, ok := obj.(runtime.Object)
if !ok {
return fmt.Errorf("is not a %T a runtime.Object", obj)
}
// Set Jenkins instance as the owner and controller, don't check error(can be already set)
_ = controllerutil.SetControllerReference(r.jenkins, obj, r.scheme)
err := r.client.Create(context.TODO(), runtimeObj)
if err != nil && errors.IsAlreadyExists(err) {
return r.updateResource(obj)
} else if err != nil && !errors.IsAlreadyExists(err) {
return err
}
return nil
}

72
pkg/controller/jenkins/configuration/base/resources/base_configuration_configmap.go Normal file
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@ -0,0 +1,72 @@
package resources
import (
"fmt"
"text/template"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const createOperatorUserFileName = "createOperatorUser.groovy"
var createOperatorUserGroovyFmtTemplate = template.Must(template.New(createOperatorUserFileName).Parse(`
import hudson.security.*
def jenkins = jenkins.model.Jenkins.getInstance()
def hudsonRealm = new HudsonPrivateSecurityRealm(false)
hudsonRealm.createAccount(
new File('{{ .OperatorCredentialsPath }}/{{ .OperatorUserNameFile }}').text,
new File('{{ .OperatorCredentialsPath }}/{{ .OperatorPasswordFile }}').text)
jenkins.setSecurityRealm(hudsonRealm)
def strategy = new FullControlOnceLoggedInAuthorizationStrategy()
strategy.setAllowAnonymousRead(false)
jenkins.setAuthorizationStrategy(strategy)
jenkins.save()
`))
func buildCreateJenkinsOperatorUserGroovyScript() (*string, error) {
data := struct {
OperatorCredentialsPath string
OperatorUserNameFile string
OperatorPasswordFile string
}{
OperatorCredentialsPath: jenkinsOperatorCredentialsVolumePath,
OperatorUserNameFile: OperatorCredentialsSecretUserNameKey,
OperatorPasswordFile: OperatorCredentialsSecretPasswordKey,
}
output, err := renderTemplate(createOperatorUserGroovyFmtTemplate, data)
if err != nil {
return nil, err
}
return &output, nil
}
// GetBaseConfigurationConfigMapName returns name of Kubernetes config map used to base configuration
func GetBaseConfigurationConfigMapName(jenkins *virtuslabv1alpha1.Jenkins) string {
return fmt.Sprintf("jenkins-operator-base-configuration-%s", jenkins.ObjectMeta.Name)
}
// NewBaseConfigurationConfigMap builds Kubernetes config map used to base configuration
func NewBaseConfigurationConfigMap(meta metav1.ObjectMeta, jenkins *virtuslabv1alpha1.Jenkins) (*corev1.ConfigMap, error) {
meta.Name = GetBaseConfigurationConfigMapName(jenkins)
createJenkinsOperatorUserGroovy, err := buildCreateJenkinsOperatorUserGroovyScript()
if err != nil {
return nil, err
}
return &corev1.ConfigMap{
TypeMeta: buildConfigMapTypeMeta(),
ObjectMeta: meta,
Data: map[string]string{
createOperatorUserFileName: *createJenkinsOperatorUserGroovy,
},
}, nil
}

0
pkg/controller/jenkins/resources/doc.go → pkg/controller/jenkins/configuration/base/resources/doc.go
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31
pkg/controller/jenkins/configuration/base/resources/meta.go Normal file
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@ -0,0 +1,31 @@
package resources
import (
"fmt"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// NewResourceObjectMeta builds ObjectMeta for all Kubernetes resources created by operator
func NewResourceObjectMeta(jenkins *virtuslabv1alpha1.Jenkins) metav1.ObjectMeta {
return metav1.ObjectMeta{
Name: GetResourceName(jenkins),
Namespace: jenkins.ObjectMeta.Namespace,
Labels: BuildResourceLabels(jenkins),
}
}
// BuildResourceLabels returns labels for all Kubernetes resources created by operator
func BuildResourceLabels(jenkins *virtuslabv1alpha1.Jenkins) map[string]string {
return map[string]string{
"app": "jenkins-master",
"jenkins-cr": jenkins.Name,
}
}
// GetResourceName returns name of Kubernetes resource base on Jenkins CR
func GetResourceName(jenkins *virtuslabv1alpha1.Jenkins) string {
return fmt.Sprintf("jenkins-operator-%s", jenkins.ObjectMeta.Name)
}

176
pkg/controller/jenkins/configuration/base/resources/pod.go Normal file
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@ -0,0 +1,176 @@
package resources
import (
"fmt"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
const (
jenkinsHomeVolumeName = "home"
jenkinsHomePath = "/var/jenkins/home"
jenkinsScriptsVolumeName = "scripts"
jenkinsScriptsVolumePath = "/var/jenkins/scripts"
initScriptName = "init.sh"
jenkinsOperatorCredentialsVolumeName = "operator-credentials"
jenkinsOperatorCredentialsVolumePath = "/var/jenkins/operator-credentials"
jenkinsBaseConfigurationVolumeName = "base-configuration"
jenkinsBaseConfigurationVolumePath = "/var/jenkins/base-configuration"
httpPortName = "http"
slavePortName = "slavelistener"
// HTTPPortInt defines Jenkins master HTTP port
HTTPPortInt = 8080
slavePortInt = 50000
httpPortInt32 = int32(8080)
slavePortInt32 = int32(50000)
jenkinsUserUID = int64(1000) // build in Docker image jenkins user UID
)
func buildPodTypeMeta() metav1.TypeMeta {
return metav1.TypeMeta{
Kind: "Pod",
APIVersion: "v1",
}
}
// NewJenkinsMasterPod builds Jenkins Master Kubernetes Pod resource
func NewJenkinsMasterPod(objectMeta metav1.ObjectMeta, jenkins *virtuslabv1alpha1.Jenkins) *corev1.Pod {
initialDelaySeconds := int32(30)
timeoutSeconds := int32(5)
failureThreshold := int32(12)
runAsUser := jenkinsUserUID
objectMeta.Annotations = jenkins.Spec.Master.Annotations
return &corev1.Pod{
TypeMeta: buildPodTypeMeta(),
ObjectMeta: objectMeta,
Spec: corev1.PodSpec{
RestartPolicy: corev1.RestartPolicyNever,
SecurityContext: &corev1.PodSecurityContext{
RunAsUser: &runAsUser,
RunAsGroup: &runAsUser,
},
Containers: []corev1.Container{
{
Name: "jenkins-master",
Image: jenkins.Spec.Master.Image,
Command: []string{
"bash",
fmt.Sprintf("%s/%s", jenkinsScriptsVolumePath, initScriptName),
},
LivenessProbe: &corev1.Probe{
Handler: corev1.Handler{
HTTPGet: &corev1.HTTPGetAction{
Path: "/login",
Port: intstr.FromString(httpPortName),
Scheme: corev1.URISchemeHTTP,
},
},
InitialDelaySeconds: initialDelaySeconds,
TimeoutSeconds: timeoutSeconds,
FailureThreshold: failureThreshold,
},
ReadinessProbe: &corev1.Probe{
Handler: corev1.Handler{
HTTPGet: &corev1.HTTPGetAction{
Path: "/login",
Port: intstr.FromString(httpPortName),
Scheme: corev1.URISchemeHTTP,
},
},
InitialDelaySeconds: initialDelaySeconds,
},
Ports: []corev1.ContainerPort{
{
Name: slavePortName,
ContainerPort: slavePortInt32,
},
{
Name: httpPortName,
ContainerPort: httpPortInt32,
},
},
Env: []corev1.EnvVar{
{
Name: "JENKINS_HOME",
Value: jenkinsHomePath,
},
{
Name: "JAVA_OPTS",
Value: "-XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:MaxRAMFraction=1 -Djenkins.install.runSetupWizard=false -Djava.awt.headless=true",
},
},
Resources: jenkins.Spec.Master.Resources,
VolumeMounts: []corev1.VolumeMount{
{
Name: jenkinsHomeVolumeName,
MountPath: jenkinsHomePath,
ReadOnly: false,
},
{
Name: jenkinsScriptsVolumeName,
MountPath: jenkinsScriptsVolumePath,
ReadOnly: true,
},
{
Name: jenkinsBaseConfigurationVolumeName,
MountPath: jenkinsBaseConfigurationVolumePath,
ReadOnly: true,
},
{
Name: jenkinsOperatorCredentialsVolumeName,
MountPath: jenkinsOperatorCredentialsVolumePath,
ReadOnly: true,
},
},
},
},
Volumes: []corev1.Volume{
{
Name: jenkinsHomeVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: jenkinsScriptsVolumeName,
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: getScriptsConfigMapName(jenkins),
},
},
},
},
{
Name: jenkinsBaseConfigurationVolumeName,
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: GetBaseConfigurationConfigMapName(jenkins),
},
},
},
},
{
Name: jenkinsOperatorCredentialsVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: GetOperatorCredentialsSecretName(jenkins),
},
},
},
},
},
}
}

20
pkg/controller/jenkins/configuration/base/resources/random.go Normal file
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@ -0,0 +1,20 @@
package resources
import (
"math/rand"
"time"
)
var randomCharset = []rune("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
func randomString(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = randomCharset[rand.Intn(len(randomCharset))]
}
return string(b)
}
func init() {
rand.Seed(time.Now().UnixNano())
}

68
pkg/controller/jenkins/configuration/base/resources/scripts_configmap.go Normal file
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@ -0,0 +1,68 @@
package resources
import (
"fmt"
"text/template"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
var initBashTemplate = template.Must(template.New(initScriptName).Parse(`#!/usr/bin/env bash
set -e
set -x
# https://wiki.jenkins.io/display/JENKINS/Post-initialization+script
mkdir -p {{ .JenkinsHomePath }}/init.groovy.d
cp -n {{ .BaseConfigurationPath }}/*.groovy {{ .JenkinsHomePath }}/init.groovy.d
/sbin/tini -s -- /usr/local/bin/jenkins.sh
`))
func buildConfigMapTypeMeta() metav1.TypeMeta {
return metav1.TypeMeta{
Kind: "ConfigMap",
APIVersion: "v1",
}
}
func buildInitBashScript() (*string, error) {
data := struct {
JenkinsHomePath string
BaseConfigurationPath string
}{
JenkinsHomePath: jenkinsHomePath,
BaseConfigurationPath: jenkinsBaseConfigurationVolumePath,
}
output, err := renderTemplate(initBashTemplate, data)
if err != nil {
return nil, err
}
return &output, nil
}
func getScriptsConfigMapName(jenkins *virtuslabv1alpha1.Jenkins) string {
return fmt.Sprintf("jenkins-operator-scripts-%s", jenkins.ObjectMeta.Name)
}
// NewScriptsConfigMap builds Kubernetes config map used to store scripts
func NewScriptsConfigMap(meta metav1.ObjectMeta, jenkins *virtuslabv1alpha1.Jenkins) (*corev1.ConfigMap, error) {
meta.Name = getScriptsConfigMapName(jenkins)
initBashScript, err := buildInitBashScript()
if err != nil {
return nil, err
}
return &corev1.ConfigMap{
TypeMeta: buildConfigMapTypeMeta(),
ObjectMeta: meta,
Data: map[string]string{
initScriptName: *initBashScript,
},
}, nil
}

50
pkg/controller/jenkins/configuration/base/resources/secret.go Normal file
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@ -0,0 +1,50 @@
package resources
import (
"fmt"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const (
// OperatorUserName defines username for Jenkins API calls
OperatorUserName = "jenkins-operator"
// OperatorCredentialsSecretUserNameKey defines key of username in operator credentials secret
OperatorCredentialsSecretUserNameKey = "user"
// OperatorCredentialsSecretPasswordKey defines key of password in operator credentials secret
OperatorCredentialsSecretPasswordKey = "password"
// OperatorCredentialsSecretTokenKey defines key of token in operator credentials secret
OperatorCredentialsSecretTokenKey = "token"
// OperatorCredentialsSecretTokenCreationKey defines key of token creation time in operator credentials secret
OperatorCredentialsSecretTokenCreationKey = "tokenCreationTime"
)
func buildSecretTypeMeta() metav1.TypeMeta {
return metav1.TypeMeta{
Kind: "Secret",
APIVersion: "v1",
}
}
// GetOperatorCredentialsSecretName returns name of Kubernetes secret used to store jenkins operator credentials
// to allow calls to Jenkins API
func GetOperatorCredentialsSecretName(jenkins *virtuslabv1alpha1.Jenkins) string {
return fmt.Sprintf("jenkins-operator-credentials-%s", jenkins.Name)
}
// NewOperatorCredentialsSecret builds the Kubernetes secret used to store jenkins operator credentials
// to allow calls to Jenkins API
func NewOperatorCredentialsSecret(meta metav1.ObjectMeta, jenkins *virtuslabv1alpha1.Jenkins) *corev1.Secret {
meta.Name = GetOperatorCredentialsSecretName(jenkins)
return &corev1.Secret{
TypeMeta: buildSecretTypeMeta(),
ObjectMeta: meta,
Data: map[string][]byte{
OperatorCredentialsSecretUserNameKey: []byte(OperatorUserName),
OperatorCredentialsSecretPasswordKey: []byte(randomString(20)),
},
}
}

49
pkg/controller/jenkins/configuration/base/resources/service.go Normal file
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@ -0,0 +1,49 @@
package resources
import (
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
func buildServiceTypeMeta() metav1.TypeMeta {
return metav1.TypeMeta{
Kind: "Service",
APIVersion: "v1",
}
}
// NewService builds the Kubernetes service resource
func NewService(meta *metav1.ObjectMeta, minikube bool) *corev1.Service {
service := &corev1.Service{
TypeMeta: buildServiceTypeMeta(),
ObjectMeta: *meta,
Spec: corev1.ServiceSpec{
Selector: meta.Labels,
// The first port have to be Jenkins http port because when run with minikube
// command 'minikube service' returns endpoints in the same sequence
Ports: []corev1.ServicePort{
{
Name: httpPortName,
Port: httpPortInt32,
TargetPort: intstr.FromInt(HTTPPortInt),
},
{
Name: slavePortName,
Port: slavePortInt32,
TargetPort: intstr.FromInt(slavePortInt),
},
},
},
}
if minikube {
// When running locally with minikube cluster Jenkins Service have to be exposed via node port
// to allow communication operator -> Jenkins API
service.Spec.Type = corev1.ServiceTypeNodePort
} else {
service.Spec.Type = corev1.ServiceTypeClusterIP
}
return service
}

15
pkg/controller/jenkins/configuration/base/resources/template.go Normal file
View File

@ -0,0 +1,15 @@
package resources
import (
"bytes"
"text/template"
)
func renderTemplate(template *template.Template, data interface{}) (string, error) {
var buffer bytes.Buffer
if err := template.Execute(&buffer, data); err != nil {
return "", err
}
return buffer.String(), nil
}

27
pkg/controller/jenkins/configuration/base/validate.go Normal file
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@ -0,0 +1,27 @@
package base
import (
"regexp"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
docker "github.com/docker/distribution/reference"
)
var (
dockerImageRegexp = regexp.MustCompile(`^` + docker.TagRegexp.String() + `$`)
)
func (r *ReconcileJenkinsBaseConfiguration) validate(jenkins *virtuslabv1alpha1.Jenkins) bool {
if jenkins.Spec.Master.Image == "" {
r.logger.V(0).Info("Image not set")
return false
}
if !dockerImageRegexp.MatchString(jenkins.Spec.Master.Image) && !docker.ReferenceRegexp.MatchString(jenkins.Spec.Master.Image) {
r.logger.V(0).Info("Invalid image")
return false
}
return true
}

94
pkg/controller/jenkins/jenkins_controller.go
View File

@ -2,37 +2,38 @@ package jenkins
import (
"context"
"log"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
"github.com/VirtusLab/jenkins-operator/pkg/controller/jenkins/configuration/base"
"github.com/VirtusLab/jenkins-operator/pkg/log"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
)
/**
* USER ACTION REQUIRED: This is a scaffold file intended for the user to modify with their own Controller
* business logic. Delete these comments after modifying this file.*
*/
// Add creates a new Jenkins Controller and adds it to the Manager. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager) error {
return add(mgr, newReconciler(mgr))
func Add(mgr manager.Manager, local, minikube bool) error {
return add(mgr, newReconciler(mgr, local, minikube))
}
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager) reconcile.Reconciler {
return &ReconcileJenkins{client: mgr.GetClient(), scheme: mgr.GetScheme()}
func newReconciler(mgr manager.Manager, local, minikube bool) reconcile.Reconciler {
return &ReconcileJenkins{
client: mgr.GetClient(),
scheme: mgr.GetScheme(),
local: local,
minikube: minikube,
}
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
@ -68,23 +69,20 @@ var _ reconcile.Reconciler = &ReconcileJenkins{}
type ReconcileJenkins struct {
// This client, initialized using mgr.Client() above, is a split client
// that reads objects from the cache and writes to the apiserver
client client.Client
scheme *runtime.Scheme
client client.Client
scheme *runtime.Scheme
local, minikube bool
}
// Reconcile reads that state of the cluster for a Jenkins object and makes changes based on the state read
// and what is in the Jenkins.Spec
// TODO(user): Modify this Reconcile function to implement your Controller logic. This example creates
// a Pod as an example
// Note:
// The Controller will requeue the Request to be processed again if the returned error is non-nil or
// Result.Requeue is true, otherwise upon completion it will remove the work from the queue.
func (r *ReconcileJenkins) Reconcile(request reconcile.Request) (reconcile.Result, error) {
log.Printf("Reconciling Jenkins %s/%s\n", request.Namespace, request.Name)
logger := r.buildLogger(request.Name)
logger.Info("Reconciling Jenkins")
// Fetch the Jenkins instance
instance := &virtuslabv1alpha1.Jenkins{}
err := r.client.Get(context.TODO(), request.NamespacedName, instance)
jenkins := &virtuslabv1alpha1.Jenkins{}
err := r.client.Get(context.TODO(), request.NamespacedName, jenkins)
if err != nil {
if errors.IsNotFound(err) {
// Request object not found, could have been deleted after reconcile request.
@ -96,54 +94,26 @@ func (r *ReconcileJenkins) Reconcile(request reconcile.Request) (reconcile.Resul
return reconcile.Result{}, err
}
// Define a new Pod object
pod := newPodForCR(instance)
// Set Jenkins instance as the owner and controller
if err := controllerutil.SetControllerReference(instance, pod, r.scheme); err != nil {
baseConfiguration := base.New(r.client, r.scheme, logger, jenkins, r.local, r.minikube)
result, err := baseConfiguration.Reconcile()
if err != nil {
return reconcile.Result{}, err
}
// Check if this Pod already exists
found := &corev1.Pod{}
err = r.client.Get(context.TODO(), types.NamespacedName{Name: pod.Name, Namespace: pod.Namespace}, found)
if err != nil && errors.IsNotFound(err) {
log.Printf("Creating a new Pod %s/%s\n", pod.Namespace, pod.Name)
err = r.client.Create(context.TODO(), pod)
if result != nil {
return *result, nil
}
if err == nil && result == nil && jenkins.Status.BaseConfigurationCompletedTime == nil {
now := metav1.Now()
jenkins.Status.BaseConfigurationCompletedTime = &now
err = r.client.Update(context.TODO(), jenkins)
if err != nil {
return reconcile.Result{}, err
}
// Pod created successfully - don't requeue
return reconcile.Result{}, nil
} else if err != nil {
return reconcile.Result{}, err
}
// Pod already exists - don't requeue
log.Printf("Skip reconcile: Pod %s/%s already exists", found.Namespace, found.Name)
return reconcile.Result{}, nil
}
// newPodForCR returns a busybox pod with the same name/namespace as the cr
func newPodForCR(cr *virtuslabv1alpha1.Jenkins) *corev1.Pod {
labels := map[string]string{
"app": cr.Name,
}
return &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: cr.Name + "-pod",
Namespace: cr.Namespace,
Labels: labels,
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "busybox",
Image: "busybox",
Command: []string{"sleep", "3600"},
},
},
},
}
func (r *ReconcileJenkins) buildLogger(jenkinsName string) logr.Logger {
return log.Log.WithValues("cr", jenkinsName)
}

28
pkg/log/log.go
View File

@ -1,19 +1,28 @@
// TODO delete after resolve issue https://github.com/operator-framework/operator-sdk/issues/503
package log
// FIXME delete after bump to v0.2.0 version
import (
"log"
"github.com/go-logr/logr"
"github.com/go-logr/zapr"
"go.uber.org/zap"
runtimelog "sigs.k8s.io/controller-runtime/pkg/runtime/log"
)
// Log represents global logger
var Log logr.Logger
// ZapLogger is a Logger implementation.
// If development is true, a Zap development config will be used
// (stacktraces on warnings, no sampling), otherwise a Zap production
// config will be used (stacktraces on errors, sampling).
func SetupLogger(development *bool) error {
const (
// VWarn defines warning log level
VWarn = -1
// VDebug defines debug log level
VDebug = 1
)
// SetupLogger setups global logger
func SetupLogger(development *bool) {
var zapLog *zap.Logger
var err error
@ -25,9 +34,10 @@ func SetupLogger(development *bool) error {
zapLog, err = zapLogCfg.Build(zap.AddCallerSkip(1))
}
if err != nil {
return err
log.Fatal(err)
}
Log = zapr.NewLogger(zapLog)
return nil
Log = zapr.NewLogger(zapLog).WithName("jenkins-operator")
// Enable logging in controller-runtime, without this you won't get logs when reconcile loop return an error
runtimelog.SetLogger(Log)
}

84
test/e2e/base_configuration_test.go Normal file
View File

@ -0,0 +1,84 @@
package e2e
import (
"context"
"reflect"
"testing"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
"github.com/bndr/gojenkins"
framework "github.com/operator-framework/operator-sdk/pkg/test"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestBaseConfiguration(t *testing.T) {
t.Parallel()
namespace, ctx := setupTest(t)
// Deletes test namespace
defer ctx.Cleanup()
jenkins := &virtuslabv1alpha1.Jenkins{
ObjectMeta: metav1.ObjectMeta{
Name: "e2e",
Namespace: namespace,
},
Spec: virtuslabv1alpha1.JenkinsSpec{
Master: virtuslabv1alpha1.JenkinsMaster{
Image: "jenkins/jenkins",
Annotations: map[string]string{"test": "label"},
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("1"),
corev1.ResourceMemory: resource.MustParse("1Gi"),
},
Limits: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("2"),
corev1.ResourceMemory: resource.MustParse("2Gi"),
},
},
},
},
}
t.Logf("Jenkins CR %+v", *jenkins)
if err := framework.Global.Client.Create(context.TODO(), jenkins, nil); err != nil {
t.Fatal(err)
}
waitForJenkinsBaseConfigurationToComplete(t, jenkins)
verifyJenkinsMasterPodAttributes(t, jenkins)
verifyJenkinsAPIConnection(t, jenkins)
}
func verifyJenkinsAPIConnection(t *testing.T, jenkins *virtuslabv1alpha1.Jenkins) *gojenkins.Jenkins {
client, err := createJenkinsAPIClient(jenkins)
if err != nil {
t.Fatal(err)
}
t.Log("I can establish connection to Jenkins API")
return client
}
func verifyJenkinsMasterPodAttributes(t *testing.T, jenkins *virtuslabv1alpha1.Jenkins) {
jenkinsPod := getJenkinsMasterPod(t, jenkins)
for key, value := range jenkins.Spec.Master.Annotations {
if jenkinsPod.ObjectMeta.Annotations[key] != value {
t.Fatalf("Invalid Jenkins pod annotation expected '%+v', actual '%+v'", jenkins.Spec.Master.Annotations, jenkinsPod.ObjectMeta.Annotations)
}
}
if jenkinsPod.Spec.Containers[0].Image != jenkins.Spec.Master.Image {
t.Fatalf("Invalid jenkins pod image expected '%s', actual '%s'", jenkins.Spec.Master.Image, jenkinsPod.Spec.Containers[0].Image)
}
if !reflect.DeepEqual(jenkinsPod.Spec.Containers[0].Resources, jenkins.Spec.Master.Resources) {
t.Fatalf("Invalid jenkins pod continer resources expected '%+v', actual '%+v'", jenkins.Spec.Master.Resources, jenkinsPod.Spec.Containers[0].Resources)
}
t.Log("Jenkins pod attributes are valid")
}

65
test/e2e/jenkins.go Normal file
View File

@ -0,0 +1,65 @@
package e2e
import (
"context"
"fmt"
"net/http"
"testing"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
jenkinsclient "github.com/VirtusLab/jenkins-operator/pkg/controller/jenkins/client"
"github.com/VirtusLab/jenkins-operator/pkg/controller/jenkins/configuration/base/resources"
"github.com/bndr/gojenkins"
framework "github.com/operator-framework/operator-sdk/pkg/test"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
)
func getJenkinsMasterPod(t *testing.T, jenkins *virtuslabv1alpha1.Jenkins) *v1.Pod {
lo := metav1.ListOptions{
LabelSelector: labels.SelectorFromSet(resources.BuildResourceLabels(jenkins)).String(),
}
podList, err := framework.Global.KubeClient.CoreV1().Pods(jenkins.ObjectMeta.Namespace).List(lo)
if err != nil {
t.Fatal(err)
}
if len(podList.Items) != 1 {
t.Fatalf("Jenkins pod not found, pod list: %+v", podList)
}
return &podList.Items[0]
}
func createJenkinsAPIClient(jenkins *virtuslabv1alpha1.Jenkins) (*gojenkins.Jenkins, error) {
adminSecret := &v1.Secret{}
namespacedName := types.NamespacedName{Namespace: jenkins.Namespace, Name: resources.GetOperatorCredentialsSecretName(jenkins)}
if err := framework.Global.Client.Get(context.TODO(), namespacedName, adminSecret); err != nil {
return nil, err
}
jenkinsAPIURL, err := jenkinsclient.BuildJenkinsAPIUrl(jenkins.ObjectMeta.Namespace, resources.GetResourceName(jenkins), resources.HTTPPortInt, true, true)
if err != nil {
return nil, err
}
jenkinsClient := gojenkins.CreateJenkins(
jenkinsAPIURL,
string(adminSecret.Data[resources.OperatorCredentialsSecretUserNameKey]),
string(adminSecret.Data[resources.OperatorCredentialsSecretTokenKey]),
)
if _, err := jenkinsClient.Init(); err != nil {
return nil, err
}
status, err := jenkinsClient.Poll()
if err != nil {
return nil, err
}
if status != http.StatusOK {
return nil, fmt.Errorf("invalid status code returned: %d", status)
}
return jenkinsClient, nil
}

56
test/e2e/main_test.go Normal file
View File

@ -0,0 +1,56 @@
package e2e
import (
"testing"
"github.com/VirtusLab/jenkins-operator/pkg/apis"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
framework "github.com/operator-framework/operator-sdk/pkg/test"
"github.com/operator-framework/operator-sdk/pkg/test/e2eutil"
f "github.com/operator-framework/operator-sdk/pkg/test"
)
const (
jenkinsOperatorDeploymentName = "jenkins-operator"
)
func TestMain(m *testing.M) {
f.MainEntry(m)
}
func setupTest(t *testing.T) (string, *framework.TestCtx) {
ctx := framework.NewTestCtx(t)
err := ctx.InitializeClusterResources(nil)
if err != nil {
t.Fatalf("could not initialize cluster resources: %v", err)
}
jenkinsServiceList := &virtuslabv1alpha1.JenkinsList{
TypeMeta: metav1.TypeMeta{
Kind: virtuslabv1alpha1.Kind,
APIVersion: virtuslabv1alpha1.SchemeGroupVersion.String(),
},
}
err = framework.AddToFrameworkScheme(apis.AddToScheme, jenkinsServiceList)
if err != nil {
t.Fatalf("could not add scheme to framework scheme: %v", err)
}
namespace, err := ctx.GetNamespace()
if err != nil {
t.Fatalf("could not get namespace: %v", err)
}
t.Logf("Test namespace '%s'", namespace)
// wait for jenkins-operator to be ready
err = e2eutil.WaitForDeployment(t, framework.Global.KubeClient, namespace, jenkinsOperatorDeploymentName, 1, retryInterval, timeout)
if err != nil {
t.Fatal(err)
}
return namespace, ctx
}

51
test/e2e/wait.go Normal file
View File

@ -0,0 +1,51 @@
package e2e
import (
goctx "context"
"fmt"
"testing"
"time"
virtuslabv1alpha1 "github.com/VirtusLab/jenkins-operator/pkg/apis/virtuslab/v1alpha1"
framework "github.com/operator-framework/operator-sdk/pkg/test"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
)
var (
retryInterval = time.Second * 5
timeout = time.Second * 30
)
// checkConditionFunc is used to check if a condition for the jenkins CR is true
type checkConditionFunc func(*virtuslabv1alpha1.Jenkins) bool
func waitForJenkinsBaseConfigurationToComplete(t *testing.T, jenkins *virtuslabv1alpha1.Jenkins) {
t.Log("Waiting for Jenkins base configuration to complete")
_, err := WaitUntilJenkinsConditionTrue(retryInterval, 30, jenkins, func(jenkins *virtuslabv1alpha1.Jenkins) bool {
t.Logf("Current Jenkins status '%+v'", jenkins.Status)
return jenkins.Status.BaseConfigurationCompletedTime != nil
})
if err != nil {
t.Fatal(err)
}
t.Log("Jenkins pod is running")
}
// WaitUntilJenkinsConditionTrue retries until the specified condition check becomes true for the jenkins CR
func WaitUntilJenkinsConditionTrue(retryInterval time.Duration, retries int, jenkins *virtuslabv1alpha1.Jenkins, checkCondition checkConditionFunc) (*virtuslabv1alpha1.Jenkins, error) {
jenkinsStatus := &virtuslabv1alpha1.Jenkins{}
err := wait.Poll(retryInterval, time.Duration(retries)*retryInterval, func() (bool, error) {
namespacedName := types.NamespacedName{Namespace: jenkins.Namespace, Name: jenkins.Name}
err := framework.Global.Client.Get(goctx.TODO(), namespacedName, jenkinsStatus)
if err != nil {
return false, fmt.Errorf("failed to get CR: %v", err)
}
return checkCondition(jenkinsStatus), nil
})
if err != nil {
return nil, err
}
return jenkinsStatus, nil
}

3
version/version.go
View File

@ -1,4 +1,7 @@
package version
// Version indicates which version of the binary is running.
var Version string
// GitCommit indicates which git hash the binary was built off of
var GitCommit string