Add support for log offloading over TCP

Add new OctaviaLogOffloadProtocol setting that allows to select either
UDP (default) or TCP as protocol for log offloading.

Depends-On: https://review.opendev.org/c/openstack/tripleo-ansible/+/847584
Depends-On: https://review.opendev.org/c/openstack/python-tripleoclient/+/847844
Change-Id: I6713af2b8fc8bee93a3de2f33280efb6fe963db9

deployment/octavia/octavia-deployment-config.j2.yaml

@@ -178,6 +178,12 @@ parameters:
                  to the administrative log endponts and will be stored with
                  the controller logs.
     type: boolean
+  OctaviaLogOffloadProtocol:
+    default: 'udp'
+    description: The protocol to use for the RSyslog log offloading feature.
+    type: string
+    constraints:
+      - allowed_values: ['udp', 'tcp']
   OctaviaFlavorId:
     default: '65'
     description: Nova flavor ID to be used when creating the nova flavor for
@@ -256,6 +262,7 @@ outputs:
                   octavia_group_vars_dir: "{{playbook_dir}}/octavia-ansible/group_vars"
                   container_cli: { get_param: ContainerCli }
                   enable_log_offloading: { get_param: OctaviaLogOffload }
+                  log_offload_protocol: { get_param: OctaviaLogOffloadProtocol }
                   octavia_flavor_id: { get_param: OctaviaFlavorId }
                   octavia_flavor_properties: { get_param: OctaviaFlavorProperties }
                   octavia_manage_nova_flavor: { get_param: OctaviaManageNovaFlavor }

deployment/octavia/octavia-health-manager-container-puppet.yaml

@@ -62,6 +62,12 @@ parameters:
                  to the administrative log endponts and will be stored with
                  the controller logs.
     type: boolean
+  OctaviaLogOffloadProtocol:
+    default: 'udp'
+    description: The protocol to use for the RSyslog log offloading feature.
+    type: string
+    constraints:
+      - allowed_values: ['udp', 'tcp']
 
 resources:
   ContainersCommon:
@@ -106,7 +112,7 @@ outputs:
           dport: 5555
           iniface: {get_param: OctaviaMgmtPortDevName}
         '210 octavia lb-mgmt-net offload rsyslog':
-          proto: udp
+          proto: {get_param: OctaviaLogOffloadProtocol}
           dport: 514
           iniface: {get_param: OctaviaMgmtPortDevName}
       monitoring_subscription: {get_param: MonitoringSubscriptionOctaviaHealthManager}

releasenotes/notes/add-octavia-log-offload-protocol-dfc5d8387c3d83bc.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Added new OctaviaLogOffloadProtocol setting that allows to select either
+    UDP (default) or TCP as protocol for log offloading.