Implement master-config.yaml upgrade for v1beta3 apiLevel removal.

1 files changed, 49 insertions, 4 deletions

diff --git a/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py b/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py
index 157fbc5c2..f41c6fb59 100755
--- a/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py
+++ b/playbooks/adhoc/upgrades/library/openshift_upgrade_config.py
@@ -2,6 +2,12 @@
 # -*- coding: utf-8 -*-
 # vim: expandtab:tabstop=4:shiftwidth=4
 
+import os
+import shutil
+import yaml
+
+from datetime import datetime
+
 """Ansible module for modifying OpenShift configs during an upgrade"""
 
 DOCUMENTATION = '''
@@ -14,14 +20,53 @@ requirements: [ ]
 EXAMPLES = '''
 '''
 
+def get_cfg_dir():
+    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):
-    pass
+    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')
+
+    f = open(master_config, 'r')
+    config = yaml.safe_load(f.read())
+    f.close()
+
+    # Remove v1beta3 from apiLevels:
+    if 'apiLevels' in config and \
+        'v1beta3' in config['apiLevels']:
+            config['apiLevels'].remove('v1beta3')
+            changed = True
+    if 'kubernetesMasterConfig' in config and \
+        'apiLevels' in config['kubernetesMasterConfig'] and \
+        'v1beta3' in config['kubernetesMasterConfig']['apiLevels']:
+            config['kubernetesMasterConfig']['apiLevels'].remove('v1beta3')
+            changed = True
+
+    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):
     if from_version == '3.0':
         if to_version == '3.1':
-            upgrade_master_3_0_to_3_1(backup)
+            return upgrade_master_3_0_to_3_1(backup)
 
 
 def main():
@@ -41,15 +86,15 @@ def main():
         supports_check_mode=True,
     )
 
-    changed = False
 
     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':
-        upgrade_master(from_version, to_version, backup)
+        changed = upgrade_master(from_version, to_version, backup)
 
     return module.exit_json(changed=changed)