Add param to configure neutron agent_down_time and report_interval

Seconds to regard the agent as down; should be at least twice
NeutronGlobalReportInterval, to be sure the agent is down for good.

Closes-Bug: #1937843
Signed-off-by: Kamil Sambor <ksambor@redhat.com>
Change-Id: Ib3f7cd9d6c050140a5e8b59adf7fd8f65b12df2f

deployment/neutron/neutron-api-container-puppet.yaml

@@ -195,6 +195,13 @@ parameters:
     default: 'keystone'
     constraints:
       - allowed_values: ['keystone', 'noauth']
+  NeutronAgentDownTime:
+    default: 600
+    type: number
+    description: |
+      Seconds to regard the agent as down; should be at least twice
+      NeutronGlobalReportInterval, to be sure the agent is down for good.
+
 
 parameter_groups:
 - label: deprecated
@@ -302,6 +309,7 @@ outputs:
             neutron::policy::policies: {get_param: NeutronApiPolicies}
             neutron::keystone::authtoken::www_authenticate_uri: {get_param: [EndpointMap, KeystoneInternal, uri_no_suffix] }
             neutron::keystone::authtoken::auth_url: {get_param: [EndpointMap, KeystoneInternal, uri_no_suffix]}
+            neutron::server::agent_down_time: {get_param: NeutronAgentDownTime}
             neutron::server::auth_strategy: {get_param: NeutronAuthStrategy}
             neutron::server::allow_automatic_l3agent_failover: {get_param: NeutronAllowL3AgentFailover}
             neutron::server::enable_proxy_headers_parsing: true

deployment/neutron/neutron-base.yaml

@@ -116,6 +116,12 @@ parameters:
     default: 'keystone'
     constraints:
       - allowed_values: ['keystone', 'noauth']
+  NeutronGlobalReportInterval:
+    default: 300
+    description: >
+      Seconds between nodes reporting state to server; should be less than
+      NeutronAgentDownTime, best if it is half or less than NeutronAgentDownTime.
+    type: number
 
 conditions:
   dhcp_agents_set:
@@ -134,6 +140,7 @@ outputs:
             neutron::core_plugin: {get_param: NeutronCorePlugin}
             neutron::auth_strategy: {get_param: NeutronAuthStrategy}
             neutron::service_plugins: {get_param: NeutronServicePlugins}
+            neutron::report_interval: {get_param: NeutronGlobalReportInterval}
             neutron::logging::debug:
               if:
               - {get_param: NeutronDebug}

releasenotes/notes/agent_down_time-d6aebe530ca31b9e.yaml

@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    Add param NeutronAgentDownTime to configure neutron server agent_down_time
+    Seconds to regard the agent as down; should be at least twice
+    report_interval, to be sure the agent is down for good.
+    agent_down_time is a config for neutron-server, set by class neutron::server
+    report_interval is a config for neutron agents, set by class neutron