making uid optional

Author: Colin Hoglund

README.md

@@ -27,7 +27,7 @@ The following attributes are required for each user:
 * username - The user's username.
 * name - The full name of the user (gecos field)
 * home - the home directory of the user to create (optional, defaults to /home/username)
-* uid - The numeric user id for the user. This is required for uid consistency
+* uid - The numeric user id for the user (optional). This is required for uid consistency
   across systems.
 * gid - The numeric group id for the group (optional). Otherwise, the
   uid will be used
@@ -39,7 +39,7 @@ The following attributes are required for each user:
 * group - optional primary group override
 * groups - a list of supplementary groups for the user.
 * profile - a string block for setting custom shell profiles
-* ssh_key - This should be a list of ssh keys for the user. Each ssh key
+* ssh_key - This should be a list of ssh keys for the user (optional). Each ssh key
   should be included directly and should have no newlines.
 * generate_ssh_key - Whether to generate a SSH key for the user (optional, defaults to no).
 

tasks/main.yml

@@ -6,7 +6,7 @@
 
 - name: Per-user group creation
   group: name="{{item.username}}"
-         gid="{{item.gid if item.gid is defined else item.uid}}"
+         gid="{{item.gid | default(item.uid) | default(omit)}}"
   with_items: "{{users}}"
   when: "'group' not in item and users_create_per_user_group"
   tags: ['users','configuration']
@@ -20,7 +20,7 @@
     shell: "{{item.shell if item.shell is defined else users_default_shell}}"
     password: "{{item.password if item.password is defined else '!'}}"
     comment: "{{item.name if item.name is defined else ''}}"
-    uid: "{{item.uid}}"
+    uid: "{{item.uid | default(omit)}}"
     home: "{{ item.home | default('/home/' + item.username) }}"
     createhome: "{{'yes' if users_create_homedirs else 'no'}}"
     generate_ssh_key: "{{ item.generate_ssh_key | default(omit) }}"
@@ -36,6 +36,7 @@
   with_subelements:
     - "{{users}}"
     - ssh_key
+    - skip_missing: yes
   tags: ['users','configuration']
 
 - name: Setup user profiles