vars: suse.yml: Add SUSE support

Add new variables file for SUSE based distributions. SUSE doesn't
provide a keyring package and all requires packages are available in
the default repositories so we skip the relevant tasks.

Change-Id: Ied2960ba3870da8dd88c6f616357ace359b83694

releasenotes/notes/suse-support-7919a5e43ebdd793.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - The pip_install role now support SUSE based distributions.
+    Required packages can now be installed using the `zypper`
+    package manager.

tasks/pre_install.yml

@@ -22,11 +22,14 @@
 
 # Under CentOS, this will add the repo and its key to the keyring
 # Under Ubuntu, this will only add the key
+# Under SUSE, it will do nothing
 - name: Install external repo key with package
   package:
     name: "{{ pip_install_external_repo_key_package }}"
     state: "{{ pip_install_package_state }}"
-  when: user_external_repo_key is not defined
+  when:
+    - user_external_repo_key is not defined
+    - ansible_pkg_mgr != 'zypper'
   tags:
     - add-repo-keys
 

vars/suse.yml

@@ -0,0 +1,26 @@
+---
+# Copyright 2017, SUSE LINUX GmbH.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+pip_install_distro_build_packages:
+  - gcc
+  - libffi-devel
+  - libopenssl-devel
+  - python-devel
+  - python-pyasn1
+  - python-pyOpenSSL
+
+pip_required_pip_packages:
+  - ndg-httpsclient # SSL SNI support
+  - requests # SSL SNI support