Merge pull request #792 from dgoodwin/upgrade

Upgrade Improvements

1 files changed, 117 insertions, 0 deletions

diff --git a/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py b/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py
new file mode 100755
index 000000000..60f4fd8b8
--- /dev/null
+++ b/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py
@@ -0,0 +1,117 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# vim: expandtab:tabstop=4:shiftwidth=4
+
+"""Ansible module for modifying OpenShift configs during an upgrade"""
+
+import os
+import shutil
+import yaml
+
+from datetime import datetime
+
+DOCUMENTATION = '''
+---
+module: openshift_upgrade_config
+short_description: OpenShift Upgrade Config
+author: Jason DeTiberus
+requirements: [ ]
+'''
+EXAMPLES = '''
+'''
+
+def get_cfg_dir():
+    """Return the correct config directory to use."""
+    cfg_path = '/etc/origin/'
+    if not os.path.exists(cfg_path):
+        cfg_path = '/etc/openshift/'
+    return cfg_path
+
+
+def upgrade_master_3_0_to_3_1(backup):
+    """Main upgrade method for 3.0 to 3.1."""
+    changed = False
+
+    # Facts do not get transferred to the hosts where custom modules run,
+    # need to make some assumptions here.
+    master_config = os.path.join(get_cfg_dir(), 'master/master-config.yaml')
+
+    master_cfg_file = open(master_config, 'r')
+    config = yaml.safe_load(master_cfg_file.read())
+    master_cfg_file.close()
+
+    # Remove v1beta3 from apiLevels:
+    if 'apiLevels' in config and \
+        'v1beta3' in config['apiLevels']:
+        config['apiLevels'].remove('v1beta3')
+        changed = True
+    if 'apiLevels' in config['kubernetesMasterConfig'] and \
+        'v1beta3' in config['kubernetesMasterConfig']['apiLevels']:
+        config['kubernetesMasterConfig']['apiLevels'].remove('v1beta3')
+        changed = True
+
+    # Add the new master proxy client certs:
+    # TODO: re-enable this once these certs are generated during upgrade:
+#    if 'proxyClientInfo' not in config['kubernetesMasterConfig']:
+#        config['kubernetesMasterConfig']['proxyClientInfo'] = {
+#            'certFile': 'master.proxy-client.crt',
+#            'keyFile': 'master.proxy-client.key'
+#       }
+
+    if changed:
+        if backup:
+            timestamp = datetime.now().strftime('%Y%m%d%H%M%S')
+            basedir = os.path.split(master_config)[0]
+            backup_file = os.path.join(basedir, 'master-config.yaml.bak-%s'
+                                       % timestamp)
+            shutil.copyfile(master_config, backup_file)
+        # Write the modified config:
+        out_file = open(master_config, 'w')
+        out_file.write(yaml.safe_dump(config, default_flow_style=False))
+        out_file.close()
+
+    return changed
+
+
+def upgrade_master(from_version, to_version, backup):
+    """Upgrade entry point."""
+    if from_version == '3.0':
+        if to_version == '3.1':
+            return upgrade_master_3_0_to_3_1(backup)
+
+
+def main():
+    """ main """
+    # disabling pylint errors for global-variable-undefined and invalid-name
+    # for 'global module' usage, since it is required to use ansible_facts
+    # pylint: disable=global-variable-undefined, invalid-name
+    global module
+
+    module = AnsibleModule(
+        argument_spec=dict(
+            from_version=dict(required=True, choices=['3.0']),
+            to_version=dict(required=True, choices=['3.1']),
+            role=dict(required=True, choices=['master']),
+            backup=dict(required=False, default=True, type='bool')
+        ),
+        supports_check_mode=True,
+    )
+
+    from_version = module.params['from_version']
+    to_version = module.params['to_version']
+    role = module.params['role']
+    backup = module.params['backup']
+
+    changed = False
+    if role == 'master':
+        changed = upgrade_master(from_version, to_version, backup)
+
+    return module.exit_json(changed=changed)
+
+# ignore pylint errors related to the module_utils import
+# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import
+# import module snippets
+from ansible.module_utils.basic import *
+
+if __name__ == '__main__':
+    main()