AIX support for role (including new AIX handler)

README.md

@@ -34,6 +34,7 @@ Tested on:
 * EL 6,7 derived distributions
 * Fedora 22, 23
 * OpenBSD 6.0
+* AIX 7.1, 7.2
 
 It will likely work on other flavours and more direct support via suitable
 [vars/](vars/) files is welcome.
@@ -58,14 +59,17 @@ variables. Defaults to *False*.
 
 If set to False, the service/daemon won't be **managed** at all, i.e. will not
 try to enable on boot or start or reload the service.  Defaults to *True*
-unless running inside a docker container (it is assumed ansible is used during
-build phase).
+unless: Running inside a docker container (it is assumed ansible is used during
+build phase) or AIX (Ansible `service` module does not currently support `enabled` 
+for AIX)
 
 * `sshd_allow_reload`
 
 If set to False, a reload of sshd wont happen on change. This can help with
 troubleshooting. You'll need to manually reload sshd if you want to apply the
 changed configuration. Defaults to the same value as ``sshd_manage_service``. 
+(Except on AIX, where `sshd_manage_service` is default *False*, but 
+`sshd_allow_reload` is default *True*)
 
 * `sshd_install_service`
 

handlers/main.yml

@@ -7,4 +7,19 @@
     - sshd_allow_reload|bool
     - ansible_virtualization_type|default(None) != 'docker'
     - ansible_connection != 'chroot'
+    - ansible_os_family != 'AIX'
   listen: reload_sshd
+
+# sshd on AIX cannot be 'reloaded', it must be Stopped+Started.  
+# It's dangerous to do this in two tasks.. you're stopping SSH and then trying to SSH back in to start it.
+# Instead, use a dirty shell script:
+#  https://www.ibm.com/developerworks/community/blogs/brian/entry/scripting_the_stop_and_restart_of_src_controlled_processes_on_aix6
+- name: Reload sshd Service (AIX)
+  shell: |
+    stopsrc -s sshd
+    until $(lssrc -s sshd | grep -q inoperative); do sleep 1; done 
+    startsrc -s sshd
+  listen: reload_sshd
+  when:
+    - sshd_allow_reload|bool
+    - ansible_os_family == 'AIX'

vars/AIX.yml

@@ -0,0 +1,12 @@
+---
+__sshd_config_mode: '0644'
+__sshd_packages: [ ] # sshd is not installed by yum / AIX toolbox for Linux.  You'll need to manually install them using AIX Web Download Packs.
+__sshd_sftp_server: /usr/sbin/sftp-server
+__sshd_config_group: system
+__sshd_defaults:
+  Subsystem: "sftp {{ sshd_sftp_server }}"
+__sshd_os_supported: yes
+
+sshd_install_service: no
+sshd_manage_service: no
+sshd_allow_reload: yes