documentation tweaks to fix missing arguments and specification of defaults

lib/ansible/modules/extras/clustering/consul

@@ -24,19 +24,19 @@ short_description: "Add, modify & delete services within a consul cluster.
 description:
  - registers services and checks for an agent with a consul cluster. A service
    is some process running on the agent node that should be advertised by
-   consul's discovery mechanism. It  may optionally supply a check definition
-   that will be used to notify the consul cluster of the health of the service.
+   consul's discovery mechanism. It may optionally supply a check definition,
+   a periodic service test to notify the consul cluster of service's health.
    Checks may also be registered per node e.g. disk usage, or cpu usage and
    notify the health of the entire node to the cluster.
    Service level checks do not require a check name or id as these are derived
    by Consul from the Service name and id respectively by appending 'service:'.
-   Node level checks require a check_name and optionally a check_id Currently,
-   there is no complete way to retrieve the script, interval or ttl metadata for
-   a registered check. Without this metadata it is  not possible to tell if
-   the data supplied with ansible represents a change to a check. As a result
-   this does not attempt to determine changes and will always report a changed
-   occurred. An api method is planned to supply this metadata so at that stage
-   change management will be added.
+   Node level checks require a check_name and optionally a check_id. 
+   Currently, there is no complete way to retrieve the script, interval or ttl 
+   metadata for a registered check. Without this metadata it is  not possible to
+   tell if the data supplied with ansible represents a change to a check. As a 
+   result this does not attempt to determine changes and will always report a 
+   changed occurred. An api method is planned to supply this metadata so at that
+   stage change management will be added.
 version_added: "1.9"
 author: Steve Gargan (steve.gargan@gmail.com)
 options:
@@ -45,71 +45,105 @@ options:
           - register or deregister the consul service, defaults to present
         required: true
         choices: ['present', 'absent']
+    service_name:
+        desciption:
+          - Unique name for the service on a node, must be unique per node,
+            required if registering a service. May be ommitted if registering
+            a node level check
+        required: false
     service_id:
         description:
           - the ID for the service, must be unique per node, defaults to the
-            service name
+            service name if the service name is supplied
         required: false
+        default: service_name if supplied
     host:
         description:
-          - host of the consul agent with which to register the service,
-            defaults to localhost
+          - host of the consul agent defaults to localhost
+        required: false
+        default: localhost
+    port:
+        description:
+          - the port on which the consul agent is running
         required: false
+        default: 8500
     notes:
         description:
           - Notes to attach to check when registering it.
-    service_name:
-        desciption:
-          - Unique name for the service on a node, must be unique per node,
-            required if registering a service. May be ommitted if registering
-            a node level check
         required: false
+        default: None
     service_port:
         description:
           - the port on which the service is listening required for
-            registration of a service.
-        required: true
+            registration of a service, i.e. if service_name or service_id is set
+        required: false
     tags:
         description:
           - a list of tags that will be attached to the service registration.
         required: false
+        default: None
     script:
         description:
           - the script/command that will be run periodically to check the health
-            of the service
+            of the service. Scripts require an interval and vise versa
         required: false
+        default: None
     interval:
         description:
-          - the interval at which the service check will be run. This is by
-            convention a number with a s or m to signify the units of seconds
-            or minutes. if none is supplied, m will be appended
+          - the interval at which the service check will be run. This is a number
+            with a s or m suffix to signify the units of seconds or minutes e.g 
+            15s or 1m. If no suffix is supplied, m will be used by default e.g. 
+            1 will be 1m. Required if the script param is specified.
+        required: false
+        default: None    
     check_id:
         description:
           - an ID for the service check, defaults to the check name, ignored if
-            part of service definition.
+            part of a service definition.
+        required: false
+        default: None
     check_name:
         description:
           - a name for the service check, defaults to the check id. required if
             standalone, ignored if part of service definition.
+        required: false
+        default: None
+    ttl:
+        description: 
+          - checks can be registered with a ttl instead of a script and interval
+            this means that the service will check in with the agent before the
+            ttl expires. If it doesn't the check will be considered failed. 
+            Required if registering a check and the script an interval are missing
+            Similar to the interval this is a number with a s or m suffix to 
+            signify the units of seconds or minutes e.g 15s or 1m. If no suffix 
+            is supplied, m will be used by default e.g. 1 will be 1m
+        required: false
+        default: None
+    token:
+        description:
+          - the token key indentifying an ACL rule set. May be required to 
+            register services.
+        required: false
+        default: None
 """
 
 EXAMPLES = '''
   - name: register nginx service with the local consul agent
     consul:
       name: nginx
-      port: 80
+      service_port: 80
 
   - name: register nginx service with curl check
     consul:
       name: nginx
-      port: 80
+      service_port: 80
       script: "curl http://localhost"
       interval: 60s
 
   - name: register nginx with some service tags
     consul:
       name: nginx
-      port: 80
+      service_port: 80
       tags:
         - prod
         - webservers
@@ -432,23 +466,22 @@ class ConsulCheck():
 def main():
     module = AnsibleModule(
         argument_spec=dict(
+            host=dict(default='localhost'),
+            port=dict(default=8500, type='int'),
             check_id=dict(required=False),
             check_name=dict(required=False),
-            host=dict(default='localhost'),
-            interval=dict(required=False, type='str'),
-            ttl=dict(required=False, type='str'),
             check_node=dict(required=False),
             check_host=dict(required=False),
             notes=dict(required=False),
-            port=dict(default=8500, type='int'),
             script=dict(required=False),
             service_id=dict(required=False),
             service_name=dict(required=False),
             service_port=dict(required=False, type='int'),
             state=dict(default='present', choices=['present', 'absent']),
+            interval=dict(required=False, type='str'),
+            ttl=dict(required=False, type='str'),
             tags=dict(required=False, type='list'),
-            token=dict(required=False),
-            url=dict(default='http://localhost:8500')
+            token=dict(required=False)
         ),
         supports_check_mode=False,
     )

lib/ansible/modules/extras/clustering/consul_acl

@@ -22,7 +22,8 @@ module: consul_acl
 short_description: "manipulate consul acl keys and rules"
 description:
  - allows the addition, modification and deletion of ACL keys and associated
-   rules in a consul cluster via the agent.
+   rules in a consul cluster via the agent. For more details on using and 
+   configuring ACLs, see https://www.consul.io/docs/internals/acl.html
 version_added: "1.9"
 author: Steve Gargan (steve.gargan@gmail.com)
 options:
@@ -53,6 +54,16 @@ options:
         description:
           - an list of the rules that should be associated with a given key/token.
         required: false
+    host:
+        description:
+          - host of the consul agent defaults to localhost
+        required: false
+        default: localhost
+    port:
+        description:
+          - the port on which the consul agent is running
+        required: false
+        default: 8500
 """
 
 EXAMPLES = '''

lib/ansible/modules/extras/clustering/consul_kv

@@ -42,8 +42,9 @@ options:
             'release' respectively. a valid session must be supplied to make the
             attempt changed will be true if the attempt is successful, false
             otherwise.
-        required: true
+        required: false
         choices: ['present', 'absent', 'acquire', 'release']
+        default: present
     key:
         description:
           - the key at which the value should be stored.
@@ -57,30 +58,43 @@ options:
         description:
           - if the key represents a prefix, each entry with the prefix can be
             retrieved by setting this to true.
-        required: true
+        required: false
+        default: false
     session:
         description:
           - the session that should be used to acquire or release a lock
             associated with a key/value pair
+        required: false
+        default: None
     token:
         description:
           - the token key indentifying an ACL rule set that controls access to
             the key value pair
         required: false
-    url:
-        description:
-          - location of the consul agent with which access the keay/value store,
-            defaults to http://localhost:8500
-        required: false
+        default: None
     cas:
         description:
           - used when acquiring a lock with a session. If the cas is 0, then
             Consul will only put the key if it does not already exist. If the
             cas value is non-zero, then the key is only set if the index matches
             the ModifyIndex of that key.
+        required: false
+        default: None
     flags:
         description:
           - opaque integer value that can be passed when setting a value.
+        required: false
+        default: None
+    host:
+        description:
+          - host of the consul agent defaults to localhost
+        required: false
+        default: localhost
+    port:
+        description:
+          - the port on which the consul agent is running
+        required: false
+        default: 8500
 """
 
 
@@ -214,8 +228,8 @@ def main():
     argument_spec = dict(
         cas=dict(required=False),
         flags=dict(required=False),
-        host=dict(default='localhost'),
         key=dict(required=True),
+        host=dict(default='localhost'),
         port=dict(default=8500, type='int'),
         recurse=dict(required=False, type='bool'),
         retrieve=dict(required=False, default=True),

lib/ansible/modules/extras/clustering/consul_session

@@ -39,35 +39,73 @@ options:
             node name or session id is required as parameter.
         required: false
         choices: ['present', 'absent', 'info', 'node', 'list']
+        default: present
     name:
         description:
           - the name that should be associated with the session. This is opaque
             to Consul and not required.
         required: false
+        default: None
     delay:
         description:
           - the optional lock delay that can be attached to the session when it
             is created. Locks for invalidated sessions ar blocked from being
             acquired until this delay has expired.
         default: 15s
+        required: false
     node:
         description:
           - the name of the node that with which the session will be associated.
             by default this is the name of the agent.
+        required: false
+        default: None
     datacenter:
         description:
           - name of the datacenter in which the session exists or should be
             created.
+        required: false
+        default: None
     checks:
         description:
           - a list of checks that will be used to verify the session health. If
             all the checks fail, the session will be invalidated and any locks
             associated with the session will be release and can be acquired once
             the associated lock delay has expired.
+        required: false
+        default: None
+    host:
+        description:
+          - host of the consul agent defaults to localhost
+        required: false
+        default: localhost
+    port:
+        description:
+          - the port on which the consul agent is running
+        required: false
+        default: 8500
 """
 
 EXAMPLES = '''
+- name: register basic session with consul
+  consul_session:
+    name: session1
+    
+- name: register a session with an existing check
+  consul_session:
+    name: session_with_check
+    checks:
+      - existing_check_name
+
+- name: register a session with lock_delay
+  consul_session:
+    name: session_with_delay
+    delay: 20
+
+- name: retrieve info about session by id
+  consul_session: id=session_id state=info
 
+- name: retrieve active sessions
+  consul_session: state=list
 '''
 
 import sys