Fix ks-controller panic due to missing nil checking in mutli-branch pipeline

Signed-off-by: rick <rick@jenkins-zh.cn>

pkg/simple/client/devops/jenkins/internal/svn.go

@@ -0,0 +1,107 @@
+package internal
+
+import (
+	"github.com/beevik/etree"
+	"k8s.io/klog"
+
+	devopsv1alpha3 "kubesphere.io/kubesphere/pkg/apis/devops/v1alpha3"
+)
+
+func AppendSvnSourceToEtree(source *etree.Element, svnSource *devopsv1alpha3.SvnSource) {
+	if svnSource == nil {
+		klog.Warning("please provide SVN source when the sourceType is SVN")
+		return
+	}
+	source.CreateAttr("class", "jenkins.scm.impl.subversion.SubversionSCMSource")
+	source.CreateAttr("plugin", "subversion")
+	source.CreateElement("id").SetText(svnSource.ScmId)
+	if svnSource.CredentialId != "" {
+		source.CreateElement("credentialsId").SetText(svnSource.CredentialId)
+	}
+	if svnSource.Remote != "" {
+		source.CreateElement("remoteBase").SetText(svnSource.Remote)
+	}
+	if svnSource.Includes != "" {
+		source.CreateElement("includes").SetText(svnSource.Includes)
+	}
+	if svnSource.Excludes != "" {
+		source.CreateElement("excludes").SetText(svnSource.Excludes)
+	}
+	return
+}
+
+func AppendSingleSvnSourceToEtree(source *etree.Element, svnSource *devopsv1alpha3.SingleSvnSource) {
+	if svnSource == nil {
+		klog.Warning("please provide SingleSvn source when the sourceType is SingleSvn")
+		return
+	}
+	source.CreateAttr("class", "jenkins.scm.impl.SingleSCMSource")
+	source.CreateAttr("plugin", "scm-api")
+	source.CreateElement("id").SetText(svnSource.ScmId)
+	source.CreateElement("name").SetText("master")
+
+	scm := source.CreateElement("scm")
+	scm.CreateAttr("class", "hudson.scm.SubversionSCM")
+	scm.CreateAttr("plugin", "subversion")
+
+	location := scm.CreateElement("locations").CreateElement("hudson.scm.SubversionSCM_-ModuleLocation")
+	if svnSource.Remote != "" {
+		location.CreateElement("remote").SetText(svnSource.Remote)
+	}
+	if svnSource.CredentialId != "" {
+		location.CreateElement("credentialsId").SetText(svnSource.CredentialId)
+	}
+	location.CreateElement("local").SetText(".")
+	location.CreateElement("depthOption").SetText("infinity")
+	location.CreateElement("ignoreExternalsOption").SetText("true")
+	location.CreateElement("cancelProcessOnExternalsFail").SetText("true")
+
+	source.CreateElement("excludedRegions")
+	source.CreateElement("includedRegions")
+	source.CreateElement("excludedUsers")
+	source.CreateElement("excludedRevprop")
+	source.CreateElement("excludedCommitMessages")
+	source.CreateElement("workspaceUpdater").CreateAttr("class", "hudson.scm.subversion.UpdateUpdater")
+	source.CreateElement("ignoreDirPropChanges").SetText("false")
+	source.CreateElement("filterChangelog").SetText("false")
+	source.CreateElement("quietOperation").SetText("true")
+
+	return
+}
+
+func GetSingleSvnSourceFromEtree(source *etree.Element) *devopsv1alpha3.SingleSvnSource {
+	var s devopsv1alpha3.SingleSvnSource
+	if scm := source.SelectElement("scm"); scm != nil {
+		if locations := scm.SelectElement("locations"); locations != nil {
+			if moduleLocations := locations.SelectElement("hudson.scm.SubversionSCM_-ModuleLocation"); moduleLocations != nil {
+				if remote := moduleLocations.SelectElement("remote"); remote != nil {
+					s.Remote = remote.Text()
+				}
+				if credentialId := moduleLocations.SelectElement("credentialsId"); credentialId != nil {
+					s.CredentialId = credentialId.Text()
+				}
+			}
+		}
+	}
+	return &s
+}
+
+func GetSvnSourcefromEtree(source *etree.Element) *devopsv1alpha3.SvnSource {
+	var s devopsv1alpha3.SvnSource
+	if remote := source.SelectElement("remoteBase"); remote != nil {
+		s.Remote = remote.Text()
+	}
+
+	if credentialsId := source.SelectElement("credentialsId"); credentialsId != nil {
+		s.CredentialId = credentialsId.Text()
+	}
+
+	if includes := source.SelectElement("includes"); includes != nil {
+		s.Includes = includes.Text()
+	}
+
+	if excludes := source.SelectElement("excludes"); excludes != nil {
+		s.Excludes = excludes.Text()
+	}
+	return &s
+}