Azure PostgreSQL and Azure MySQL CLI extension. (#67)

* Azure PostgreSQL and Azure MySQL CLI extension.

* Update index.json. URL pending.

* Add rdbms to CODEOWNERS

* Rename --backup-retention-days parameter to --backup-retention

* Add storage URL to extension.

* Fix CI errors.

* Update index.json.

* Test update.

.github/CODEOWNERS

@@ -15,3 +15,5 @@
 /src/subscription/ @wilcobmsft
 
 /src/managementgroups/ @rajshah11
+
+/src/rdbms/ @rohit-joy

src/index.json

@@ -502,6 +502,51 @@
 			  "version": "0.1.0"
 			}
 		  }
-		]
+		],
+        "rdbms": [
+            {
+                "filename": "rdbms-0.0.1-py2.py3-none-any.whl",
+                "sha256Digest": "79ebef22a4d68f2a3f1909523357aadf6167def54d2ba4de84d1b9932fcb9eac",
+                "downloadUrl": "https://prodrdbmsclipackages.blob.core.windows.net/cliextensions/rdbms-0.0.1-py2.py3-none-any.whl",
+                "metadata": {
+                    "classifiers": [
+                      "Development Status :: 4 - Beta",
+                      "Intended Audience :: Developers",
+                      "Intended Audience :: System Administrators",
+                      "Programming Language :: Python",
+                      "Programming Language :: Python :: 2",
+                      "Programming Language :: Python :: 2.7",
+                      "Programming Language :: Python :: 3",
+                      "Programming Language :: Python :: 3.4",
+                      "Programming Language :: Python :: 3.5",
+                      "Programming Language :: Python :: 3.6",
+                      "License :: OSI Approved :: MIT License"
+                    ],
+                    "extensions": {
+                      "python.details": {
+                        "contacts": [
+                          {
+                            "email": "rohitjoy@microsoft.com",
+                            "name": "Rohit Joy",
+                            "role": "author"
+                          }
+                        ],
+                        "document_names": {
+                          "description": "DESCRIPTION.rst"
+                        },
+                        "project_urls": {
+                          "Home": "https://github.com/Azure/azure-cli-extensions"
+                        }
+                      }
+                    },
+                    "generator": "bdist_wheel (0.29.0)",
+                    "license": "MIT",
+                    "metadata_version": "2.0",
+                    "name": "rdbms",
+                    "summary": "An Azure CLI extension to manage Azure MySQL and Azure PostgreSQL resources",
+                    "version": "0.0.1"
+                }
+            }
+        ]
     }
 }

src/rdbms/azext_rdbms/__init__.py

@@ -0,0 +1,32 @@
+# --------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for license information.
+# --------------------------------------------------------------------------------------------
+
+from azure.cli.core import AzCommandsLoader
+
+import azext_rdbms._help  # pylint: disable=unused-import
+
+
+class RdbmsExtCommandsLoader(AzCommandsLoader):
+
+    def __init__(self, cli_ctx=None):
+        from azure.cli.core.commands import CliCommandType
+        from azext_rdbms._util import RdbmsArgumentContext
+        rdbms_custom = CliCommandType(operations_tmpl='azext_rdbms.custom#{}')
+        super(RdbmsExtCommandsLoader, self).__init__(cli_ctx=cli_ctx,
+                                                     min_profile='2017-03-10-profile',
+                                                     custom_command_type=rdbms_custom,
+                                                     argument_context_cls=RdbmsArgumentContext)
+
+    def load_command_table(self, args):
+        from azext_rdbms.commands import load_command_table
+        load_command_table(self, args)
+        return self.command_table
+
+    def load_arguments(self, command):
+        from azext_rdbms._params import load_arguments
+        load_arguments(self, command)
+
+
+COMMAND_LOADER_CLS = RdbmsExtCommandsLoader

src/rdbms/azext_rdbms/_client_factory.py

@@ -0,0 +1,112 @@
+# --------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for license information.
+# --------------------------------------------------------------------------------------------
+
+from azure.cli.core.commands.client_factory import get_mgmt_service_client
+
+# CLIENT FACTORIES
+
+RM_URI_OVERRIDE = 'AZURE_CLI_RDBMS_RM_URI'
+SUB_ID_OVERRIDE = 'AZURE_CLI_RDBMS_SUB_ID'
+CLIENT_ID = 'AZURE_CLIENT_ID'
+TENANT_ID = 'AZURE_TENANT_ID'
+CLIENT_SECRET = 'AZURE_CLIENT_SECRET'
+
+
+def get_mysql_management_client(cli_ctx, **_):
+    from os import getenv
+    from azext_rdbms.mysql import MySQLManagementClient
+
+    # Allow overriding resource manager URI using environment variable
+    # for testing purposes. Subscription id is also determined by environment
+    # variable.
+    rm_uri_override = getenv(RM_URI_OVERRIDE)
+    if rm_uri_override:
+        client_id = getenv(CLIENT_ID)
+        if client_id:
+            from azure.common.credentials import ServicePrincipalCredentials
+            credentials = ServicePrincipalCredentials(
+                client_id=client_id,
+                secret=getenv(CLIENT_SECRET),
+                tenant=getenv(TENANT_ID))
+        else:
+            from msrest.authentication import Authentication    # pylint: disable=import-error
+            credentials = Authentication()
+
+        return MySQLManagementClient(
+            subscription_id=getenv(SUB_ID_OVERRIDE),
+            base_url=rm_uri_override,
+            credentials=credentials)
+    else:
+        # Normal production scenario.
+        return get_mgmt_service_client(cli_ctx, MySQLManagementClient)
+
+
+def get_postgresql_management_client(cli_ctx, **_):
+    from os import getenv
+    from azext_rdbms.postgresql import PostgreSQLManagementClient
+
+    # Allow overriding resource manager URI using environment variable
+    # for testing purposes. Subscription id is also determined by environment
+    # variable.
+    rm_uri_override = getenv(RM_URI_OVERRIDE)
+    if rm_uri_override:
+        client_id = getenv(CLIENT_ID)
+        if client_id:
+            from azure.common.credentials import ServicePrincipalCredentials
+            credentials = ServicePrincipalCredentials(
+                client_id=client_id,
+                secret=getenv(CLIENT_SECRET),
+                tenant=getenv(TENANT_ID))
+        else:
+            from msrest.authentication import Authentication    # pylint: disable=import-error
+            credentials = Authentication()
+
+        return PostgreSQLManagementClient(
+            subscription_id=getenv(SUB_ID_OVERRIDE),
+            base_url=rm_uri_override,
+            credentials=credentials)
+    else:
+        # Normal production scenario.
+        return get_mgmt_service_client(cli_ctx, PostgreSQLManagementClient)
+
+
+def cf_mysql_servers(cli_ctx, _):
+    return get_mysql_management_client(cli_ctx).servers
+
+
+def cf_postgres_servers(cli_ctx, _):
+    return get_postgresql_management_client(cli_ctx).servers
+
+
+def cf_mysql_firewall_rules(cli_ctx, _):
+    return get_mysql_management_client(cli_ctx).firewall_rules
+
+
+def cf_postgres_firewall_rules(cli_ctx, _):
+    return get_postgresql_management_client(cli_ctx).firewall_rules
+
+
+def cf_mysql_config(cli_ctx, _):
+    return get_mysql_management_client(cli_ctx).configurations
+
+
+def cf_postgres_config(cli_ctx, _):
+    return get_postgresql_management_client(cli_ctx).configurations
+
+
+def cf_mysql_log(cli_ctx, _):
+    return get_mysql_management_client(cli_ctx).log_files
+
+
+def cf_postgres_log(cli_ctx, _):
+    return get_postgresql_management_client(cli_ctx).log_files
+
+
+def cf_mysql_db(cli_ctx, _):
+    return get_mysql_management_client(cli_ctx).databases
+
+
+def cf_postgres_db(cli_ctx, _):
+    return get_postgresql_management_client(cli_ctx).databases