如何在同一节点中部署多个Jenkins作业?
实际上,我已经在GKE群集中部署了Jenkins Master,我有一个名为Jenkins的Nodepool,带有2个节点最大值的自动化。因此,当我在詹金斯(Jenkins)上运行工作时,总是在使用那个nodepool,所以,这很酷,但是,我实际上遇到的问题是,当我运行工作时,詹金斯(Jenkins)使用1个节点,而不是使用1个节点每个两个或多个作业,如果a do a kubectl描述了节点nodeName,我可以看到我在每个kubernetes节点中只部署了1个Jenkins代理。
我如何同时使用1个节点对1个以上的詹金斯代理使用?因为实际上我会“不了解”我的詹金斯节点,因为每个节点只使用一半的节点资源。
kubectl的示例描述节点jenkinsnode(您可以看到该节点中只有1个Jenkins Pod):
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits Age
--------- ---- ------------ ---------- --------------- ------------- ---
jenkins atlas-test-atlas-full-tests-2-mrc47-2h7fb-t1vdn 850m (21%) 1250m (31%) 1536Mi (54%) 2560Mi (91%) 118s
kube-system fluentbit-gke-f296j 100m (2%) 0 (0%) 200Mi (7%) 500Mi (17%) 5m8s
kube-system gke-metadata-server-nc58q 100m (2%) 100m (2%) 100Mi (3%) 100Mi (3%) 5m7s
kube-system gke-metrics-agent-q6xl4 3m (0%) 0 (0%) 50Mi (1%) 50Mi (1%) 5m8s
kube-system kube-proxy-gke-develop-jenkins-eb1faad2-9m00 100m (2%) 0 (0%) 0 (0%) 0 (0%) 5m7s
kube-system netd-s6v8s 0 (0%) 0 (0%) 0 (0%) 0 (0%) 5m7s
预先感谢
actually i have deployed jenkins master in a GKE cluster, i have a nodepool called jenkins with autoscaling with 2 nodes max. so when i run a job in jenkins, always is using that nodepool, so, thats cool, but, the problem that i have actually, is that when i run a job, jenkins is using 1 node per job, instead of use 1 node per two or more jobs, if a do a kubectl describe node nodename, i can see that i have only 1 jenkins agent deployed in each kubernetes node.
How can i fix this and use 1 node for more than 1 jenkins agent at the same time? because actually im "underusing" my jenkins nodes, because 1 job per node only use half of node resources.
Example of kubectl describe node jenkinsnode (you can see that only have 1 jenkins pod in that node):
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits Age
--------- ---- ------------ ---------- --------------- ------------- ---
jenkins atlas-test-atlas-full-tests-2-mrc47-2h7fb-t1vdn 850m (21%) 1250m (31%) 1536Mi (54%) 2560Mi (91%) 118s
kube-system fluentbit-gke-f296j 100m (2%) 0 (0%) 200Mi (7%) 500Mi (17%) 5m8s
kube-system gke-metadata-server-nc58q 100m (2%) 100m (2%) 100Mi (3%) 100Mi (3%) 5m7s
kube-system gke-metrics-agent-q6xl4 3m (0%) 0 (0%) 50Mi (1%) 50Mi (1%) 5m8s
kube-system kube-proxy-gke-develop-jenkins-eb1faad2-9m00 100m (2%) 0 (0%) 0 (0%) 0 (0%) 5m7s
kube-system netd-s6v8s 0 (0%) 0 (0%) 0 (0%) 0 (0%) 5m7s
Thanks in advance
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您可以使用
示例:
pod.yaml
jenkinsfile
You can use the Kubernetes plugin for Jenkins, with it you can create a Kubernetes Pod for each agent started:
Example:
pod.yaml
Jenkinsfile