Add additional configuration to group_vars

Also include defaults and the new pvc_vm_shutdown_timeout option.

group_vars/default/pvc.yml

@@ -1,13 +1,22 @@
 ---
-# Logging configuration
+# Logging configuration (uncomment to override defaults)
-pvc_log_to_file: False
+#pvc_log_to_file: False                  # Log to a file in /var/log/pvc
-pvc_log_to_stdout: True
+#pvc_log_to_stdout: True                 # Log to stdout (i.e. journald)
-pvc_log_colours: False
+#pvc_log_colours: True                   # Log colourful prompts for states instead of text
-pvc_log_dates: False
+#pvc_log_dates: False                    # Log dates (useful with log_to_file, not useful with log_to_stdout as journald adds these)
-pvc_log_keepalives: True
+#pvc_log_keepalives: True                # Log keepalive event every pvc_keepalive_interval seconds
-pvc_log_keepalive_cluster_details: True
+#pvc_log_keepalive_cluster_details: True # Log cluster details (VMs, load, etc.) duing keepalive events
-pvc_log_keepalive_storage_details: True
+#pvc_log_keepalive_storage_details: True # Log storage details (OSDs, pools, health) during keepalive events
-pvc_log_console_lines: 1000
+#pvc_log_console_lines: 1000             # The number of VM console log lines to store in Zookeeper for 'vm log' commands.
+
+# Timing and fencing configuration (uncomment to override defaults)
+#pvc_vm_shutdown_timeout: 180            # Number of seconds before a 'shutdown' VM is forced off
+#pvc_keepalive_interval: 5               # Number of seconds between keepalive ticks
+#pvc_fence_intervals: 6                  # Number of keepalive ticks before a node is considered dead
+#pvc_suicide_intervals: 0                # Number of keepalive ticks before a node consideres itself dead (0 to disable)
+#pvc_fence_successful_action: migrate    # What to do with VMs when a fence is successful (migrate, None)
+#pvc_fence_failed_action: None           # What to do with VMs when a fence is failed (migrate, None) - migrate is DANGEROUS without pvc_suicide_intervals set to < pvc_fence_intervals
+#pvc_fence_migrate_target_selector: mem  # The selector to use for migrating VMs after a fence
 
 # Client API configuration
 pvc_api_listen_address: "{{ pvc_upstream_floatingip }}"
@@ -49,7 +58,7 @@ pvc_routers:
 # Node list
 # > Every node configured with this playbook must be specified in this list.
 pvc_nodes:
-  - hostname: "pvchv1"
+  - hostname: "pvchv1" # This name MUST match the Ansible inventory_hostname
     is_coordinator: yes
     node_id: 1
     router_id: "192.168.100.11"

roles/pvc/defaults/main.yml

@@ -1,4 +1,23 @@
 ---
+# Logging configuration (uncomment to override defaults)
+pvc_log_to_file: False
+pvc_log_to_stdout: True
+pvc_log_colours: True
+pvc_log_dates: False
+pvc_log_keepalives: True
+pvc_log_keepalive_cluster_details: True
+pvc_log_keepalive_storage_details: True
+pvc_log_console_lines: 1000
+
+# Timing and fencing configuration (uncomment to override defaults)
+pvc_vm_shutdown_timeout: 180            # Number of seconds before a 'shutdown' VM is forced off
+pvc_keepalive_interval: 5               # Number of seconds between keepalive ticks
+pvc_fence_intervals: 6                  # Number of keepalive ticks before a node is considered dead
+pvc_suicide_intervals: 0                # Number of keepalive ticks before a node consideres itself dead (0 to disable)
+pvc_fence_successful_action: migrate    # What to do with VMs when a fence is successful (migrate, None)
+pvc_fence_failed_action: None           # What to do with VMs when a fence is failed (migrate, None) - migrate is DANGEROUS without pvc_suicide_intervals set to < pvc_fence_intervals
+pvc_fence_migrate_target_selector: mem  # The selector to use for migrating VMs after a fence
+
 # Ceph storage
 ceph_storage_secret_key: ""
 ceph_storage_secret_uuid: ""

roles/pvc/templates/pvc/pvcnoded.yaml.j2

@@ -46,13 +46,14 @@ pvc:
         pass: {{ pvc_prov_database_password }}
   system:
     intervals:
-      keepalive_interval: 5
+      vm_shutdown_timeout: {{ pvc_vm_shutdown_timeout }}
-      fence_intervals: 6
+      keepalive_interval: {{ pvc_keepalive_interval }}
-      suicide_intervals: 0
+      fence_intervals: {{ pvc_fence_intervals }}
+      suicide_intervals: {{ pvc_suicide_intervals }}
     fencing:
       actions:
-        successful_fence: migrate
+        successful_fence: {{ pvc_fence_successful_action }}
-        failed_fence: None
+        failed_fence: {{ pvc_fence_failed_action }}
       ipmi:
         host: {% for node in pvc_nodes if node.hostname == inventory_hostname %}{{ node.ipmi_host }}{% endfor %}
 
@@ -61,7 +62,7 @@ pvc:
         pass: {% for node in pvc_nodes if node.hostname == inventory_hostname %}{{ node.ipmi_password }}{% endfor %}
 
     migration:
-      target_selector: mem
+      target_selector: {{ pvc_fence_migrate_target_selector }}
     configuration:
       directories:
         dynamic_directory: "/run/pvc"