Merge branch 'rootfix411' into 'release/4.1'

Backport MR4414(run-as-root) to release/4.1

See merge request weblogic-cloud/weblogic-kubernetes-operator!4418

Author: rjeberhard

integration-tests/src/test/java/oracle/weblogic/domain/InitializeDomainOnPV.java

@@ -39,6 +39,19 @@ public class InitializeDomainOnPV {
       + " proceeding with the domain creation. Defaults to true.")
   Boolean waitForPvcToBind;
 
+  /** Whether to run the domain initialization init container in the introspector job as root. Default is false. */
+  @ApiModelProperty("Specifies whether the operator will run the domain initialization init container in the "
+      + "introspector job as root. This may be needed in some environments to create the domain home directory on PV."
+      + " Defaults to false.")
+  Boolean runDomainInitContainerAsRoot;
+
+  /** Whether to set the default 'fsGroup' in pod security context. Default is true. */
+  @ApiModelProperty("Specifies whether the operator will set the default 'fsGroup' in the introspector job pod"
+      + " security context. This is needed to create the domain home directory on PV in some environments."
+      + " If the 'fsGroup' is specified as part of 'spec.introspector.serverPod.podSecurityContext', then the operator"
+      + " will use that 'fsGroup' instead of the default 'fsGroup'. Defaults to true.")
+  Boolean setDefaultSecurityContextFsGroup;
+
   public PersistentVolume getPersistentVolume() {
     return persistentVolume;
   }
@@ -75,6 +88,24 @@ public InitializeDomainOnPV waitForPvcToBind(Boolean waitForPvcToBind) {
     return this;
   }
 
+  public Boolean getRunDomainInitContainerAsRoot() {
+    return Optional.ofNullable(runDomainInitContainerAsRoot).orElse(false);
+  }
+
+  public InitializeDomainOnPV runInitContainerAsRoot(Boolean runInitContainerAsRoot) {
+    this.runDomainInitContainerAsRoot = runInitContainerAsRoot;
+    return this;
+  }
+
+  public Boolean getSetDefaultSecurityContextFsGroup() {
+    return Optional.ofNullable(setDefaultSecurityContextFsGroup).orElse(true);
+  }
+
+  public InitializeDomainOnPV setDefaultFsGroup(Boolean setDefaultFsGroup) {
+    this.setDefaultSecurityContextFsGroup = setDefaultFsGroup;
+    return this;
+  }
+
   @Override
   public String toString() {
     ToStringBuilder builder =

integration-tests/src/test/java/oracle/weblogic/kubernetes/utils/FmwUtils.java

@@ -425,6 +425,7 @@ public static DomainResource createDomainResourceSimplifyJrfPv(
                 .addSecretsItem(rcuAccessSecretName)
                 .introspectorJobActiveDeadlineSeconds(3000L)
                 .initializeDomainOnPV((new InitializeDomainOnPV()
+                    .runInitContainerAsRoot(true)
                     .persistentVolume(new PersistentVolume()
                         .metadata(new V1ObjectMeta()
                             .name(pvName))