Added validation webhook,cert-manager,and updated Makefile.

- Scaffolded a new validation webhook using operator-sdk
- Added manifests for webhook.
- Added manifests for self signed issuer and certificates
- Added a new spec named ValidateSecurityWarnings to the Jenkins custom resource definition to enable/disable security check.
- Updated Makefile to deploy the operator locally.
- Updated helm template and default values.yaml

chart/jenkins-operator/templates/jenkins.yaml

@@ -148,6 +148,7 @@ spec:
     {{- toYaml . | nindent 6 }}
     {{- end }}
   {{- with .Values.jenkins.seedJobs }}
+  ValidateSecurityWarnings: {{ .Values.jenkins.ValidateSecurityWarnings }}
   seedJobs: {{- toYaml . | nindent 4 }}
   {{- end }}
 {{- end }}

chart/jenkins-operator/values.yaml

@@ -46,6 +46,10 @@ jenkins:
   # See https://github.com/jenkinsci/kubernetes-operator/pull/193 for more info
   disableCSRFProtection: false
 
+
+  # ValidateSecurityWarnings enables or disables validating potential security warnings in Jenkins plugins via admission webhooks.
+  ValidateSecurityWarnings: false
+  
   # imagePullSecrets is used if you want to pull images from private repository
   # See https://jenkinsci.github.io/kubernetes-operator/docs/getting-started/latest/configuration/#pulling-docker-images-from-private-repositories for more info
   imagePullSecrets: []