WIP: Listener integration

[Maleware]

Description

Adds listener Support

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
• Please make sure all these things are done and tick the boxes

Author

• Changes are OpenShift compatible
• CRD changes approved
• CRD documentation for all fields, following the style guide.
• Helm chart can be installed and deployed operator works
• Integration tests passed (for non trivial changes)
• Changes need to be "offline" compatible

Reviewer

• Code contains useful comments
• Code contains useful logging statements
• (Integration-)Test cases added
• Documentation added or updated. Follows the style guide.
• Changelog updated
• Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

• Feature Tracker has been updated
• Proper release label has been added
• Roadmap has been updated

[Maleware]

=== NAME  kuttl
    harness.go:403: run tests finished
    harness.go:510: cleaning up
    harness.go:567: removing temp folder: ""
--- PASS: kuttl (2381.48s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-3.1.3_openshift-false_s3-use-tls-false (109.29s)
        --- PASS: kuttl/harness/resources_hive-4.0.1_openshift-false (25.30s)
        --- PASS: kuttl/harness/kerberos-hdfs_postgres-12.5.6_hive-4.0.1_hdfs-latest-3.4.1_zookeeper-latest-3.9.3_krb5-1.21.1_openshift-false_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (174.61s)
        --- PASS: kuttl/harness/kerberos-hdfs_postgres-12.5.6_hive-4.0.0_hdfs-latest-3.4.1_zookeeper-latest-3.9.3_krb5-1.21.1_openshift-false_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (173.43s)
        --- PASS: kuttl/harness/kerberos-hdfs_postgres-12.5.6_hive-3.1.3_hdfs-latest-3.4.1_zookeeper-latest-3.9.3_krb5-1.21.1_openshift-false_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (191.31s)
        --- PASS: kuttl/harness/kerberos-s3_postgres-12.5.6_hive-4.0.1_krb5-1.21.1_openshift-false_s3-use-tls-true_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (109.84s)
        --- PASS: kuttl/harness/kerberos-s3_postgres-12.5.6_hive-4.0.1_krb5-1.21.1_openshift-false_s3-use-tls-false_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (107.09s)
        --- PASS: kuttl/harness/kerberos-s3_postgres-12.5.6_hive-4.0.0_krb5-1.21.1_openshift-false_s3-use-tls-true_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (132.82s)
        --- PASS: kuttl/harness/kerberos-s3_postgres-12.5.6_hive-4.0.0_krb5-1.21.1_openshift-false_s3-use-tls-false_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (110.03s)
        --- PASS: kuttl/harness/kerberos-s3_postgres-12.5.6_hive-3.1.3_krb5-1.21.1_openshift-false_s3-use-tls-true_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (119.68s)
        --- PASS: kuttl/harness/kerberos-s3_postgres-12.5.6_hive-3.1.3_krb5-1.21.1_openshift-false_s3-use-tls-false_kerberos-realm-PROD.MYCORP_kerberos-backend-mit (118.54s)
        --- PASS: kuttl/harness/upgrade_postgres-12.5.6_hive-old-3.1.3_hive-new-4.0.1_openshift-false (70.49s)
        --- PASS: kuttl/harness/cluster-operation_hive-latest-4.0.1_openshift-false (61.16s)
        --- PASS: kuttl/harness/logging_postgres-12.5.6_hive-4.0.0_openshift-false (79.92s)
        --- PASS: kuttl/harness/resources_hive-4.0.0_openshift-false (26.53s)
        --- PASS: kuttl/harness/resources_hive-3.1.3_openshift-false (26.19s)
        --- PASS: kuttl/harness/external-access_hive-latest-4.0.1_openshift-false (36.33s)
        --- PASS: kuttl/harness/orphaned-resources_hive-latest-4.0.1_openshift-false (37.07s)
        --- PASS: kuttl/harness/logging_postgres-12.5.6_hive-4.0.1_openshift-false (78.39s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-4.0.1_openshift-false_s3-use-tls-false (102.36s)
        --- PASS: kuttl/harness/logging_postgres-12.5.6_hive-3.1.3_openshift-false (87.95s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-4.0.1_openshift-false_s3-use-tls-true (96.98s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-4.0.0_openshift-false_s3-use-tls-false (102.11s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-4.0.0_openshift-false_s3-use-tls-true (100.83s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-3.1.3_openshift-false_s3-use-tls-true (103.19s)
PASS