https://joonlog.github.io/tags/jenkins-agent/Recent content in Jenkins Agent on JoonlogHugo -- gohugo.ioko-krWed, 17 Sep 2025 09:00:00 +0900https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/Wed, 17 Sep 2025 09:00:00 +0900https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/<blockquote> <p>Jenkins 파이프라인이 K8S pod로 사용되도록 설정</p> </blockquote> <blockquote> <p>Helm으로 설치 시에는 하기 설정들이 자동으로 세팅되어 있으니 설정 불필요</p> </blockquote> <ol> <li> <p>Jenkins에 Kubernetes 플러그인 설치 확인</p> <ul> <li>Jenkins가 K8S API와 통신해서 pod(파이프라인 에이전트)를 생성/삭제 가능하도록 설정</li> </ul> </li> <li> <p>Built-In-Node excutor 설정</p> <ul> <li>파이프라인 에이전트를 k8s pod에서 동적으로 실행할거라 built-in-node(jenkins 서버 pod)의 Number of executors을 0으로 설정</li> </ul> <p><img src="https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent1.png" width="593" height="359" srcset="https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent1_hu_536e4e2e2b8791f9.png 480w, https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent1_hu_cfd4252b2c88c778.png 1024w" loading="lazy" alt="JenkinsK8SPipelineAgent1.png" class="gallery-image" data-flex-grow="165" data-flex-basis="396px" ></p> </li> <li> <p>K8S Configure</p> <ul> <li>Manage Jenkins &gt; Clouds &gt; New Cloud / Configure</li> <li>K8S URL로 Test Connection 확인</li> </ul> <p><img src="https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent2.png" width="2473" height="1386" srcset="https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent2_hu_d0d0c728e8f520f3.png 480w, https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent2_hu_de3744f03ef88de2.png 1024w" loading="lazy" alt="JenkinsK8SPipelineAgent2.png" class="gallery-image" data-flex-grow="178" data-flex-basis="428px" ></p> <ul> <li>Jenkins URL/Tunnel <ul> <li>Jenkins URL: <a class="link" href="http://jenkins.jenkins.svc.cluster.local:8080" target="_blank" rel="noopener" >http://jenkins.jenkins.svc.cluster.local:8080</a></li> <li>Jenkins tunnel: jenkins-agent.jenkins.svc.cluster.local:50000 <ul> <li>jenkins tunnel은 jnlp(파이프라인 에이전트 관리 pod)로 연결되는 FQDN 입력</li> <li>jnlp 포트가 50000</li> </ul> </li> <li>url, tunnel에 도메인을 넣으면 IP가 바뀌더라도 연결 가능 <ul> <li> <p>K8S FQDN: 클러스터 DNS 규칙에 의해 만들어짐</p> <ul> <li>FQDN 룰: &lt;Service명&gt;.&lt;Namespace명&gt;.svc.<cluster domain></li> <li>cluster domain 기본값은 cluster.local</li> </ul> </li> <li> <p>FQDN 예시</p> <ul> <li>jenkins FQDN: jenkins.jenkins.svc.cluster.local</li> <li>jenkins-agent FQDN: jenkins-agent.jenkins.svc.cluster.local</li> </ul> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># kubectl get svc -n jenkins</span> </span></span><span class="line"><span class="cl">NAME TYPE CLUSTER-IP EXTERNAL-IP PORT<span class="o">(</span>S<span class="o">)</span> AGE </span></span><span class="line"><span class="cl">jenkins ClusterIP 10.233.54.119 &lt;none&gt; 8080/TCP 11d </span></span><span class="line"><span class="cl">jenkins-agent ClusterIP 10.233.57.212 &lt;none&gt; 50000/TCP 11d </span></span></code></pre></td></tr></table> </div> </div></li> </ul> </li> </ul> </li> </ul> </li> <li> <p>Pod Template</p> </li> </ol> <ul> <li> <p>파이프라인 에이전트가 K8S에서 Pod로 관리될 때의 Pod 설정을 정의</p> <p><img src="https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent3.png" width="694" height="240" srcset="https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent3_hu_15fc005315ace822.png 480w, https://joonlog.github.io/p/jenkins-%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8%EC%9D%84-k8s-pod%EB%A1%9C-%EC%82%AC%EC%9A%A9%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%84%A4%EC%A0%95/JenkinsK8SPipelineAgent3_hu_32af83fe451fb69a.png 1024w" loading="lazy" alt="JenkinsK8SPipelineAgent3.png" class="gallery-image" data-flex-grow="289" data-flex-basis="694px" ></p> </li> </ul>