Rework install task

Break out install.yaml into sub files to reduce conditional logic.

Signed-off-by: Paul Belanger <pabelanger@redhat.com>

tasks/install.yaml

@@ -12,30 +12,13 @@
 - include: install/debian.yaml
   when: ansible_os_family == 'Debian'
 
-- name: Download nodepool using git.
-  git:
-    dest: "{{ nodepool_git_dest }}"
-    repo: "{{ nodepool_git_uri }}"
-    version: "{{ nodepool_git_version }}"
+- include: install/git.yaml
   when: nodepool_install_method == 'git'
 
-- name: Install nodepool using pip.
-  pip:
-    name: "file://{{ nodepool_git_dest }}"
-  when: nodepool_install_method == 'git'
-
-- name: Install nodepool using pip.
-  pip:
-    name: nodepool
+- include: install/pip.yaml
   when: nodepool_install_method == 'pip'
 
-- name: Install nodepool using pip.
-  pip:
-    name: nodepool
-  when: nodepool_install_method == 'pip' and nodepool_pip_version is none
-
-- name: Install nodepool using pip.
-  pip:
-    name: nodepool
-    version: "{{ nodepool_pip_version }}"
-  when: nodepool_install_method == 'pip' and nodepool_pip_version is not none
+- name: Create nodepool directory.
+  file:
+    path: /etc/nodepool
+    state: directory

tasks/install/git.yaml

@@ -0,0 +1,10 @@
+---
+- name: Git clone nodepool.
+  git:
+    dest: "{{ nodepool_git_dest }}"
+    repo: "{{ nodepool_git_uri }}"
+    version: "{{ nodepool_git_version }}"
+
+- name: Pip install nodepool from local git repo.
+  pip:
+    name: "file://{{ nodepool_git_dest }}"

tasks/install/pip.yaml

@@ -0,0 +1,11 @@
+---
+- name: Install nodepool using pip.
+  pip:
+    name: nodepool
+  when: nodepool_pip_version is none
+
+- name: Install nodepool using pip.
+  pip:
+    name: nodepool
+    version: "{{ nodepool_pip_version }}"
+  when: nodepool_pip_version is not none