Adding support for helm plugins

Proprietary plugins can be used along with helm, in addition
to that building of local helm repository can be achieved by
using different target or list of targets.

Change-Id: If421133b9cc8bcfa47c3e7c14e6712520231e39c
Signed-off-by: Michal Ptacek <m.ptacek@partner.samsung.com>
Issue-ID: OOM-1589
diff --git a/ansible/roles/application-install/tasks/pre-install.yml b/ansible/roles/application-install/tasks/pre-install.yml
index b782ca7..88a95ea 100644
--- a/ansible/roles/application-install/tasks/pre-install.yml
+++ b/ansible/roles/application-install/tasks/pre-install.yml
@@ -17,7 +17,29 @@
         src: "{{ app_helm_charts_install_directory }}.tgz"
         dest: "{{ app_helm_charts_infra_directory }}"
 
+
+- name: Install helm plugins if needed
+  block:
+     - name: Ensure that dir for helm plugins exists
+       file:
+         path: "~/.helm/plugins"
+         state: directory
+         mode: 0755
+     - name: Register all plugins to be inserted by dir names
+       find:
+         paths: "{{ app_helm_plugins_directory }}"
+         file_type: "directory"
+       register: list_of_plugins
+     - name: Install all helm plugins from {{ app_helm_plugins_directory }} dir
+       command: "{{ helm_bin_dir }}/helm plugin install {{ item.path }}"
+       with_items: "{{ list_of_plugins.files }}"
+       register: helm_plugin_install_result
+       failed_when: "helm_plugin_install_result.rc > 0 and helm_plugin_install_result.stderr != 'Error: plugin already exists'"
+  become: true
+  when: app_helm_plugins_directory is defined and app_helm_plugins_directory is not none
+
 - name: "Execute custome role {{ application_pre_install_role }} if defined."
   include_tasks: custom_role.yml
   vars:
     application_custom_role: "{{ application_pre_install_role }}"
+