Merge pull request #38 from chrismeyersfsu/revert-36-patch-2

Revert "Improve retrieving ip of container"

files/docker_inspect.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+docker inspect --format='{{.NetworkSettings.IPAddress}}' $1

tasks/inc_cloud_iface.yml

@@ -17,13 +17,22 @@
 
 - name: Get IP of container
   local_action:
-    module: "command"
-    args: "docker inspect --format '{{ '{{' }} .NetworkSettings.IPAddress {{ '}}' }}' {{ item.name }}"
+    module: "shell"
+    args: "{{ role_path }}/files/docker_inspect.sh {{ item.name }}"
   register: provision_docker_ip
   with_items: "{{ provision_docker_inventory }}"
   changed_when: false
 
 - block:
+  # Note: We had to move the invocation of the docker inspect command into a bash
+  # script because it involces a command line parameter with {{ }}. Registering
+  # the results puts the command line params into invocation. Referencing the
+  # results variable fails because Ansible runs the invocation through jinja2
+  # template engine and the {{.NetworkSettings.IPAddress}} variable does not
+  # exist
+  # TODO: Check if no results (i.e. results.stdout_lines length) returned from
+  # docker_inspect.sh
+
   # TODO: copy ALL host vars in the inventory
   - name: "Associate ip address with hosts"
     local_action:

tasks/inc_inventory_iface.yml

@@ -18,12 +18,14 @@
 
 - name: Get IP of container
   local_action:
-    module: "command"
-    args: "docker inspect --format '{{ '{{' }} .NetworkSettings.IPAddress {{ '}}' }}' {{ item }}"
+    module: "shell"
+    args: "{{ role_path }}/files/docker_inspect.sh {{ item }}"
   register: provision_docker_ip
   with_items: "{{ provision_docker_inventory_group }}"
   changed_when: false
 
+- debug: msg="{{provision_docker_ip}}"
+
 - block:
     - name: "Associate ip address with hosts"
       set_fact: