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Knative Event gitlab source

时间：2023-11-15 16:24:31浏览次数：31  
标签：demo gitlabsource gitlab source Knative wgs event knative

服务说明

本地gitlab信息

ip地址：192.168.174.108
http port: 8080
域名: codo.wgs.com

kservice-event-display 信息

istio-ingressgateway 对外地址：192.168.174.249
kservice-event-display 对外域名: gitlabsource.wgs.com 
域名解析： gitlabsource.wgs.com --> 192.168.174.249

Gitlab source 介绍

将GitLab仓库上的事件转换为CloudEvents；
GitLabSource为指定的事件类型创建一个Webhook，监听传入的事件，并将其传递给消费者；

Gitlab source 事件类型

◼ 推送事件：push_events
   ◆对应的CloudEvents的类型为“dev.knative.sources.gitlab.push”
◼ tag推送事件：tag_push_events
◼ 议题事件：issues_events
◼ 合并请求事件：merge_requests_events
◼ 私密议题事件：confidential_issues_events
◼ 私密评论：confidential_note_events
◼ 部署事件：deployment_events
◼ 作业事件：job_events
◼ 评论：note_events
◼ 流水线事件：pipeline_events
◼ Wiki页面事件：wiki_page_events

Knative Event 事件传递模式

Sources to Sink

1. 单一Sink模式，事件接收过程中不存在排队和过滤等操作；
2. Event Source的职责仅是传递消息，且无需等待Sink响应；
3. fire and forget；

配置 GitLab 

出站请求

创建访问令牌

glpat-ksv2Buget9FjyKEoiTRS

创建仓库

部署 GitLabSource 

下载 gitlab event source

# wget https://github.com/knative-extensions/eventing-gitlab/releases/download/knative-v1.12.0/gitlab.yaml

替换 gcr.io

# sed -i '[email protected]@gcr.dockerproxy.com@g' gitlab.yaml

部署 gitlab event source

# kubectl apply -f gitlab.yaml 
namespace/knative-sources created
serviceaccount/gitlab-controller-manager created
serviceaccount/gitlab-webhook created
clusterrole.rbac.authorization.k8s.io/gitlabsource-manager-role created
clusterrole.rbac.authorization.k8s.io/eventing-contrib-gitlab-source-observer created
clusterrolebinding.rbac.authorization.k8s.io/gitlabsource-manager-rolebinding created
clusterrolebinding.rbac.authorization.k8s.io/eventing-sources-gitlab-addressable-resolver created
clusterrolebinding.rbac.authorization.k8s.io/eventing-sources-gitlab-webhook created
clusterrole.rbac.authorization.k8s.io/gitlab-webhook created
customresourcedefinition.apiextensions.k8s.io/gitlabbindings.bindings.knative.dev created
customresourcedefinition.apiextensions.k8s.io/gitlabsources.sources.knative.dev created
service/gitlab-controller-manager-service created
deployment.apps/gitlab-controller-manager created
mutatingwebhookconfiguration.admissionregistration.k8s.io/defaulting.webhook.gitlab.sources.knative.dev created
validatingwebhookconfiguration.admissionregistration.k8s.io/validation.webhook.gitlab.sources.knative.dev created
mutatingwebhookconfiguration.admissionregistration.k8s.io/gitlabbindings.webhook.gitlab.sources.knative.dev created
secret/gitlab-webhook-certs created
service/gitlab-webhook created
deployment.apps/gitlab-webhook created

查看 gitlabsource api

# kubectl api-resources |grep -i sources
apiserversources                                  sources.knative.dev/v1                         true         ApiServerSource
containersources                                  sources.knative.dev/v1                         true         ContainerSource
gitlabsources                                     sources.knative.dev/v1alpha1                   true         GitLabSource
kafkasources                                      sources.knative.dev/v1beta1                    true         KafkaSource
pingsources                                       sources.knative.dev/v1                         true         PingSource
sinkbindings                                      sources.knative.dev/v1                         true         SinkBinding

查看 gitlabsource 资源

# kubectl get pods -n knative-sources
NAME                                         READY   STATUS    RESTARTS   AGE
gitlab-controller-manager-5c445948d9-fbtv9   1/1     Running   0          8m12s
gitlab-webhook-f9d6f68b4-crg5b               1/1     Running   0          8m12s

使用 GitLab Event Source

创建 Knative Service

kservice-event-display.yaml

apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: gitlab-event-display
  namespace: event-demo
spec:
  template:
    metadata:
      annotations:
        autoscaling.knative.dev/min-scale: "1"
    spec:
      containers:
        - image: gcr.dockerproxy.com/knative-releases/knative.dev/eventing/cmd/event_display
          ports:
            - containerPort: 8080

生成 Knative Service 资源

# kubectl apply -f kservice-event-display.yaml

创建 GitLab Tokens

生成 secretToken

# head -c 16 /dev/urandom | base64
+FmTUzNvthZWSsVrtvAqtQ==

secret-token.yaml

apiVersion: v1
kind: Secret
metadata:
  name: gitlabsecret
  namespace: event-demo
type: Opaque
stringData:
  accessToken: glpat-ksv2Buget9FjyKEoiTRS    # GitLab上的Personal Access Token
  secretToken: +FmTUzNvthZWSsVrtvAqtQ==       # GitLab调用GitLabSource与Webhook Secret

创建 secretToken 资源

# kubectl  apply -f secret-token.yaml

创建 GitLab Events Source

GitLabSource-to-knative-service.yaml

apiVersion: sources.knative.dev/v1alpha1
kind: GitLabSource
metadata:
  name: gitlabsource-demo
  namespace: event-demo
spec:
  eventTypes:      # 指定要监视的事件类型
    - push_events
    - issues_events
    - merge_requests_events
    - tag_push_events
  projectUrl: http://codo.wgs.com/root/myproject    # 即要监视的目标代码仓库的URL
  sslverify: false      # 是否进行ssl认证
  accessToken:          # GitLab上仓库所属的用户的personal access token
    secretKeyRef:
      name: gitlabsecret
      key: accessToken
  secretToken:         # 由GitLab经Webhook调用GitLabSource时使用的Secret
    secretKeyRef:
      name: gitlabsecret
      key: secretToken
  sink:               # 事件的输出目标
    ref:
      apiVersion: serving.knative.dev/v1
      kind: Service
      name: gitlab-event-display

生成  GitLabSource 资源

# kubectl apply -f GitLabSource-to-knative-service.yaml

查看  GitLabSource 资源

# kubectl get gitlabsources -n event-demo
NAME                READY   REASON   SINK                                                   AGE
gitlabsource-demo   True             http://gitlab-event-display.event-demo.svc.wgs.local   4m39s

查看 svc 资源

# kubectl get svc -n event-demo
NAME                                    TYPE           CLUSTER-IP      EXTERNAL-IP                                        PORT(S)                                              AGE
gitlab-event-display                    ExternalName   <none>          knative-local-gateway.istio-system.svc.wgs.local   80/TCP                                               4m49s
gitlab-event-display-00001              ClusterIP      10.100.198.48   <none>                                             80/TCP,443/TCP                                       4m53s
gitlab-event-display-00001-private      ClusterIP      10.100.36.4     <none>                                             80/TCP,443/TCP,9090/TCP,9091/TCP,8022/TCP,8012/TCP   4m53s
gitlabsource-demo-8gwpw                 ExternalName   <none>          knative-local-gateway.istio-system.svc.wgs.local   80/TCP                                               4m22s
gitlabsource-demo-8gwpw-00001           ClusterIP      10.100.3.41     <none>                                             80/TCP,443/TCP                                       4m25s
gitlabsource-demo-8gwpw-00001-private   ClusterIP      10.100.137.94   <none>                                             80/TCP,443/TCP,9090/TCP,9091/TCP,8022/TCP,8012/TCP   4m25s

查看 route 资源

# kubectl get route -n event-demo
NAME                      URL                                                       READY   REASON
gitlab-event-display      http://gitlab-event-display.event-demo.svc.wgs.local      True    
gitlabsource-demo-8gwpw   http://gitlabsource-demo-8gwpw.event-demo.svc.wgs.local   True

域名映射

自动创建 ClusterDomainClaims

kubectl patch configmap config-network -n knative-serving -p '{"data":{"autocreate-cluster-domain-claims":"true"}}'
configmap/config-network patched

dm.yaml

# 自动创建cdc
apiVersion: serving.knative.dev/v1beta1
kind: DomainMapping
metadata:
  name: gitlabsource.wgs.com
  namespace: event-demo
spec:
  ref:
    name: gitlabsource-demo-8gwpw
    kind: route
    apiVersion: serving.knative.dev/v1
    namespace: event-demo

创建 dm

# kubectl apply -f dm.yaml
domainmapping.serving.knative.dev/gitlabsource.wgs.com created

查看 dm

# kubectl get dm -n event-demo
NAME                   URL                           READY   REASON
gitlabsource.wgs.com   http://gitlabsource.wgs.com   True

查看 vs

# kubectl get vs -n event-demo
NAME                              GATEWAYS                                      HOSTS                                                                                                                                AGE
gitlab-event-display-ingress      ["knative-serving/knative-local-gateway"]     ["gitlab-event-display.event-demo","gitlab-event-display.event-demo.svc","gitlab-event-display.event-demo.svc.wgs.local"]            7m27s
gitlab-event-display-mesh         ["mesh"]                                      ["gitlab-event-display.event-demo","gitlab-event-display.event-demo.svc","gitlab-event-display.event-demo.svc.wgs.local"]            7m27s
gitlabsource-demo-8gwpw-ingress   ["knative-serving/knative-local-gateway"]     ["gitlabsource-demo-8gwpw.event-demo","gitlabsource-demo-8gwpw.event-demo.svc","gitlabsource-demo-8gwpw.event-demo.svc.wgs.local"]   7m
gitlabsource-demo-8gwpw-mesh      ["mesh"]                                      ["gitlabsource-demo-8gwpw.event-demo","gitlabsource-demo-8gwpw.event-demo.svc","gitlabsource-demo-8gwpw.event-demo.svc.wgs.local"]   7m
gitlabsource.wgs.com-ingress      ["knative-serving/knative-ingress-gateway"]   ["gitlabsource.wgs.com"]                                                                                                             5m40s

gitlab 验证webhook

 

修改webhook 地址

测试 gitlab source event

测试事件

查看 event pod 信息

kubectl get pods -n event-demo
NAME                                                       READY   STATUS        RESTARTS   AGE
gitlab-event-display-00001-deployment-58974dbbd8-fngcg     3/3     Running       0          12m

查看 event 日志信息

# kubectl logs gitlab-event-display-00001-deployment-58974dbbd8-fngcg -c user-container -n event-demo
☁️  cloudevents.Event
Context Attributes,
  specversion: 1.0
  type: dev.knative.sources.gitlab.push
  source: http://192.168.174.108:8080/root/myproject
  id: 999abc37-56d6-4dbc-bd03-a49bfb7d3d5d
  time: 2023-11-15T06:43:55.877829725Z
  datacontenttype: application/json
Extensions,
  comgitlabevent: Push Hook
Data,
  {
    "object_kind": "push",
    "before": "14081b70599203b5771e4e30d7a8df7faf4064af",
    "after": "14081b70599203b5771e4e30d7a8df7faf4064af",
    "ref": "refs/heads/main",
    "checkout_sha": "14081b70599203b5771e4e30d7a8df7faf4064af",
    "user_id": 1,
    "user_name": "Administrator",
    "user_username": "root",
    "user_email": "",
    "user_avatar": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80\u0026d=identicon",
    "project_id": 1,
    "Project": {
      "id": 1,
      "name": "Myproject",
      "description": "",
      "web_url": "http://codo.wgs.com/root/myproject",
      "avatar_url": "",
      "git_ssh_url": "ssh://[email protected]:35022/root/myproject.git",
      "git_http_url": "http://gitlabsource.wgs.com/root/myproject.git",
      "namespace": "Administrator",
      "visibility_level": 20,
      "path_with_namespace": "root/myproject",
      "default_branch": "main",
      "homepage": "http://codo.wgs.com/root/myproject",
      "url": "ssh://[email protected]:35022/root/myproject.git",
      "ssh_url": "ssh://[email protected]:35022/root/myproject.git",
      "http_url": "http://gitlabsource.wgs.com/root/myproject.git"
    },
    "repository": {
      "name": "Myproject",
      "url": "ssh://[email protected]:35022/root/myproject.git",
      "description": "",
      "homepage": "http://codo.wgs.com/root/myproject"
    },
    "commits": [
      {
        "id": "14081b70599203b5771e4e30d7a8df7faf4064af",
        "message": "Initial commit",
        "timestamp": "2023-11-13T11:04:35Z",
        "url": "http://codo.wgs.com/root/myproject/-/commit/14081b70599203b5771e4e30d7a8df7faf4064af",
        "author": {
          "name": "Administrator",
          "email": "[email protected]"
        },
        "added": [
          "README.md"
        ],
        "modified": [],
        "removed": []
      }
    ],
    "total_commits_count": 1
  }

参考文档

https://github.com/knative/docs/tree/main/code-samples/eventing/gitlab-source

标签：demo,gitlabsource,gitlab,source,Knative,wgs,event,knative
From： https://www.cnblogs.com/wangguishe/p/17798081.html

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