Create vault policies recoinciling script

utils/synchronize-vault.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+
+import argparse
+import os
+from hvac.api.system_backend import mount
+import yaml
+import hvac
+from hvac.api.auth_methods import Kubernetes, kubernetes
+
+# Read vault/policies dir then write what is there and delete missing
+def synchronize_policies(client: hvac.Client):
+    policies = {}
+    # Read all policies files
+    policy_dir = os.path.join(os.path.dirname(__file__), '../vault/policy')
+    for filename in os.listdir(policy_dir):
+        with open(os.path.join(policy_dir, filename), 'r') as f:
+            policy_name = os.path.splitext(filename)[0]
+            policies[policy_name] = f.read()
+    
+    policies_on_vault = client.sys.list_policies()['data']['policies']
+
+    # Delete policies that should not be there
+    for policy in policies_on_vault:
+        if policy not in policies and policy != 'root':
+            print(f'Deleting policy: {policy}')
+            client.sys.delete_policy(policy)
+    
+    # Update policies from local directory
+    for policy_name, policy_content in policies.items():
+        print(f'Updating policy: {policy_name}')
+        client.sys.create_or_update_acl_policy(policy_name, policy_content)
+
+# Read vault/kubernetes-roles dir then write what is there and delete missing 
+def synchronize_kubernetes_roles(client: hvac.Client):
+    kubernetes = Kubernetes(client.adapter)
+
+    policy_dir = os.path.join(os.path.dirname(__file__), '../vault/kubernetes-roles/')
+
+    roles = {}
+    for filename in os.listdir(policy_dir):
+        with open(os.path.join(policy_dir, filename), 'r') as f:
+            role_name = os.path.splitext(filename)[0]
+            roles[role_name] = yaml.safe_load(f.read())
+    
+    roles_on_vault = []
+    try:
+        roles_on_vault = kubernetes.list_roles()['keys']
+    except hvac.exceptions.InvalidPath:
+        print("No roles found on server!")
+
+    
+    for role in roles_on_vault:
+        if role not in roles_on_vault:
+            print(f'Deleting role: {role}')
+            kubernetes.delete_role(role)
+    
+    for role_name, role_content in roles.items():
+        print(f'Updating role: {role_name}')
+        # Using write data instead of kubernetes.create_role, we can pass raw yaml
+        client.write_data(f'/auth/kubernetes/role/{role_name}', data=role_content)
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        prog="synchronizeVault",
+        description="Update vault config"
+    )
+    args = parser.parse_args()
+
+    client = hvac.Client(url=os.environ['VAULT_ADDR'])
+
+    print('Synchronizing policies')
+    synchronize_policies(client)
+
+    print('Synchronizing kubernetes roles')
+    synchronize_kubernetes_roles(client)