Enable setting maxRequestsPerHostStr (#217)

* Enable setting maxRequestsPerHostStr

Signed-off-by: guycarmy <guycarmy@gmail.com>

* Add agent.maxRequestsPerHostStr to values summary

Signed-off-by: guycarmy <guycarmy@gmail.com>

Author: GuyCarmy

charts/jenkins/CHANGELOG.md

@@ -12,10 +12,15 @@ Use the following links to reference issues, PRs, and commits prior to v2.6.0.
 The change log until v1.5.7 was auto-generated based on git commits.
 Those entries include a reference to the git commit to be able to get more details.
 
+## 3.1.2
+
+Enable setting maxRequestsPerHostStr to change the max concurrent connections to Kubernetes API
+
 ## 3.1.1
 
 * Update Jenkins image and appVersion to jenkins lts release version 2.263.2
 
+
 ## 3.1.0
 
 * Added `.Values.controller.podSecurityContextOverride` and `.Values.backup.podSecurityContextOverride`.

charts/jenkins/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: jenkins
 home: https://jenkins.io/
-version: 3.1.1
+version: 3.1.2
 appVersion: 2.263.2
 description: Jenkins - Build great things at any scale! The leading open source automation server, Jenkins provides hundreds of plugins to support building, deploying and automating any project.
 sources:

charts/jenkins/README.md

@@ -233,6 +233,14 @@ To display such data as processed HTML instead of raw text set `controller.enabl
 This option requires installation of the [OWASP Markup Formatter Plugin (antisamy-markup-formatter)](https://plugins.jenkins.io/antisamy-markup-formatter/).
 This plugin is **not** installed by default but may be added to `controller.additionalPlugins`.
 
+### Change max connections to Kubernetes API
+When using agents with containers other then JNLP, The kubernetes plugin will commuincate with those containers using the Kubernetes API. this changes the maximum concurrent connections
+```yaml
+agent:
+  maxRequestsPerHostStr: "32"
+```
+This will change the configuration of the kubernetes "cloud" (as called by jenkins) that is created automatically as part of this helm chart.
+
 ### Mounting Volumes into Agent Pods
 
 Your Jenkins Agents will run as pods, and it's possible to inject volumes where needed:

charts/jenkins/VALUES_SUMMARY.md

@@ -259,6 +259,7 @@ The following tables list the configurable parameters of the Jenkins chart and t
 | `agent.jenkinsTunnel`       | Overrides the Kubernetes Jenkins tunnel | Not set                                |
 | `agent.kubernetesConnectTimeout` | The connection timeout in seconds for connections to Kubernetes API. Minimum value is 5. | 5 |
 | `agent.kubernetesReadTimeout` | The read timeout in seconds for connections to Kubernetes API. Minimum value is 15. | 15 |
+| `agent.maxRequestsPerHostStr` | The maximum concurrent connections to Kubernetes API | 32 |
 
 #### Pod Configuration
 

charts/jenkins/templates/_helpers.tpl

@@ -143,7 +143,7 @@ jenkins:
       {{- else }}
       webSocket: true
       {{- end }}
-      maxRequestsPerHostStr: "32"
+      maxRequestsPerHostStr: {{ .Values.agent.maxRequestsPerHostStr | quote }}
       name: "kubernetes"
       namespace: "{{ template "jenkins.agent.namespace" . }}"
       serverUrl: "https://kubernetes.default"

charts/jenkins/values.yaml

@@ -488,6 +488,7 @@ agent:
   jenkinsTunnel:
   kubernetesConnectTimeout: 5
   kubernetesReadTimeout: 15
+  maxRequestsPerHostStr: "32"
   namespace:
   image: "jenkins/inbound-agent"
   tag: "4.6-1"