🐙 octavia-cli: implement init command

Author: alafanechere

octavia-cli/README.md

@@ -38,6 +38,7 @@ We welcome community contributions!
 
 | Date       | Milestone                           |
 |------------|-------------------------------------|
+| 2022-01-25 | Implement `octavia init` + some context checks|
 | 2022-01-19 | Implement `octavia list workspace sources`, `octavia list workspace destinations`, `octavia list workspace connections`|
 | 2022-01-17 | Implement `octavia list connectors source` and `octavia list connectors destinations`|
 | 2022-01-17 | Generate an API Python client from our Open API spec |

octavia-cli/octavia_cli/check_context.py

@@ -0,0 +1,76 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#
+
+import os
+
+import airbyte_api_client
+import click
+from airbyte_api_client.api import health_api, workspace_api
+from airbyte_api_client.model.workspace_id_request_body import WorkspaceIdRequestBody
+from urllib3.exceptions import MaxRetryError
+
+from .init.commands import DIRECTORIES_TO_CREATE as REQUIRED_PROJECT_DIRECTORIES
+
+
+class UnhealthyApiError(click.ClickException):
+    pass
+
+
+class UnreachableAirbyteInstanceError(click.ClickException):
+    pass
+
+
+class WorkspaceIdError(click.ClickException):
+    pass
+
+
+def check_api_health(api_client: airbyte_api_client.ApiClient) -> None:
+    """Check if the Airbyte API is network reachable and healthy.
+
+    Args:
+        api_client (airbyte_api_client.ApiClient): Airbyte API client.
+
+    Raises:
+        click.ClickException: Raised if the Airbyte api server is unavailable according to the API response.
+        click.ClickException: Raised if the Airbyte URL is not reachable.
+    """
+    api_instance = health_api.HealthApi(api_client)
+    try:
+        api_response = api_instance.get_health_check()
+        if not api_response.available:
+            raise UnhealthyApiError("Your Airbyte instance is not ready to receive requests.")
+    except (airbyte_api_client.ApiException, MaxRetryError):
+        raise UnreachableAirbyteInstanceError(
+            "Could not reach your Airbyte instance, make sure the instance is up and running an network reachable."
+        )
+
+
+def check_workspace_exists(api_client: airbyte_api_client.ApiClient, workspace_id: str) -> None:
+    """Check if the provided workspace id corresponds to an existing workspace on the Airbyte instance.
+
+    Args:
+        api_client (airbyte_api_client.ApiClient): Airbyte API client.
+        workspace_id (str): Id of the workspace whose existence we are trying to verify.
+
+    Raises:
+        click.ClickException: Raised if the workspace does not exist on the Airbyte instance.
+    """
+    api_instance = workspace_api.WorkspaceApi(api_client)
+    try:
+        api_instance.get_workspace(WorkspaceIdRequestBody(workspace_id=workspace_id), _check_return_type=False)
+    except airbyte_api_client.ApiException:
+        raise WorkspaceIdError("The workspace you are trying to use does not exist in your Airbyte instance")
+
+
+def check_is_initialized(project_directory: str = ".") -> bool:
+    """Check if required project directories exist to consider the project as initialized.
+
+    Args:
+        project_directory (str, optional): Where the project should be initialized. Defaults to ".".
+
+    Returns:
+        bool: [description]
+    """
+    sub_directories = [f.name for f in os.scandir(project_directory) if f.is_dir()]
+    return set(REQUIRED_PROJECT_DIRECTORIES).issubset(sub_directories)

octavia-cli/octavia_cli/entrypoint.py

@@ -8,41 +8,58 @@
 import click
 from airbyte_api_client.api import workspace_api
 
+from .check_context import check_api_health, check_is_initialized, check_workspace_exists
+from .init import commands as init_commands
 from .list import commands as list_commands
 
-AVAILABLE_COMMANDS: List[click.Command] = [list_commands._list]
+AVAILABLE_COMMANDS: List[click.Command] = [list_commands._list, init_commands.init]
 
 
 @click.group()
 @click.option("--airbyte-url", envvar="AIRBYTE_URL", default="http://localhost:8000", help="The URL of your Airbyte instance.")
+@click.option(
+    "--workspace-id",
+    envvar="AIRBYTE_WORKSPACE_ID",
+    default=None,
+    help="The id of the workspace on which you want octavia-cli to work. Defaults to the first one found on your Airbyte instance.",
+)
 @click.pass_context
-def octavia(ctx: click.Context, airbyte_url: str) -> None:
+def octavia(ctx: click.Context, airbyte_url: str, workspace_id: str) -> None:
     ctx.ensure_object(dict)
+    ctx.obj["API_CLIENT"] = get_api_client(airbyte_url)
+    ctx.obj["WORKSPACE_ID"] = get_workspace_id(ctx.obj["API_CLIENT"], workspace_id)
+    ctx.obj["PROJECT_IS_INITIALIZED"] = check_is_initialized()
+    click.echo(
+        click.style(
+            f"🐙 - Octavia is targetting your Airbyte instance running at {airbyte_url} on workspace {ctx.obj['WORKSPACE_ID']}.", fg="green"
+        )
+    )
+    if not ctx.obj["PROJECT_IS_INITIALIZED"]:
+        click.echo(click.style("🐙 - Project is not yet initialized.", fg="red", bold=True))
+
+
+def get_api_client(airbyte_url):
     client_configuration = airbyte_api_client.Configuration(host=f"{airbyte_url}/api")
     api_client = airbyte_api_client.ApiClient(client_configuration)
-    # TODO alafanechere workspace check might deserve its own function
-    api_instance = workspace_api.WorkspaceApi(api_client)
-    # open-api-generator consider non-required field as not nullable
-    # This will break validation of WorkspaceRead object for firstCompletedSync and feedbackDone fields
-    # This is why we bypass _check_return_type
-    api_response = api_instance.list_workspaces(_check_return_type=False)
-    # TODO alafanechere prompt user to chose a workspace if multiple workspaces exist
-    workspace_id = api_response.workspaces[0]["workspaceId"]
-    click.echo(f"🐙 - Octavia is targetting your Airbyte instance running at {airbyte_url} on workspace {workspace_id}")
-    ctx.obj["API_CLIENT"] = api_client
-    ctx.obj["WORKSPACE_ID"] = workspace_id
+    check_api_health(api_client)
+    return api_client
+
+
+def get_workspace_id(api_client, user_defined_workspace_id):
+    if user_defined_workspace_id:
+        check_workspace_exists(api_client, user_defined_workspace_id)
+        return user_defined_workspace_id
+    else:
+        api_instance = workspace_api.WorkspaceApi(api_client)
+        api_response = api_instance.list_workspaces(_check_return_type=False)
+        return api_response.workspaces[0]["workspaceId"]
 
 
 def add_commands_to_octavia():
     for command in AVAILABLE_COMMANDS:
         octavia.add_command(command)
 
 
-@octavia.command(help="Scaffolds a local project directories.")
-def init():
-    raise click.ClickException("The init command is not yet implemented.")
-
-
 @octavia.command(name="import", help="Import an existing resources from the Airbyte instance.")
 def _import() -> None:
     raise click.ClickException("The import command is not yet implemented.")

octavia-cli/octavia_cli/init/__init__.py

@@ -0,0 +1,3 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#

octavia-cli/octavia_cli/init/commands.py

@@ -0,0 +1,34 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#
+
+import os
+from typing import Iterable, Tuple
+
+import click
+
+DIRECTORIES_TO_CREATE = {"connections", "destinations", "sources"}
+
+
+def create_directories(directories_to_create: Iterable[str]) -> Tuple[Iterable[str], Iterable[str]]:
+    created_directories = []
+    not_created_directories = []
+    for directory in directories_to_create:
+        try:
+            os.mkdir(directory)
+            created_directories.append(directory)
+        except FileExistsError:
+            not_created_directories.append(directory)
+    return created_directories, not_created_directories
+
+
+@click.command(help="Initialize required directories for the project.")
+def init():
+    click.echo("🔨 - Initializing the project.")
+    created_directories, not_created_directories = create_directories(DIRECTORIES_TO_CREATE)
+    if created_directories:
+        message = f"✅ - Created the following directories: {', '.join(created_directories)}."
+        click.echo(click.style(message, fg="green"))
+    if not_created_directories:
+        message = f"❓ - Already existing directories: {', '.join(not_created_directories) }."
+        click.echo(click.style(message, fg="yellow", bold=True))

octavia-cli/unit_tests/test_check_context.py

@@ -0,0 +1,85 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#
+
+import os
+import shutil
+import tempfile
+from pathlib import Path
+
+import airbyte_api_client
+import pytest
+from airbyte_api_client.model.workspace_id_request_body import WorkspaceIdRequestBody
+from octavia_cli import check_context
+from urllib3.exceptions import MaxRetryError
+
+
+@pytest.fixture
+def mock_api_client(mocker):
+    return mocker.Mock()
+
+
+def test_api_check_health_available(mock_api_client, mocker):
+    mocker.patch.object(check_context, "health_api")
+    mock_api_response = mocker.Mock(available=True)
+    check_context.health_api.HealthApi.return_value.get_health_check.return_value = mock_api_response
+
+    assert check_context.check_api_health(mock_api_client) is None
+    check_context.health_api.HealthApi.assert_called_with(mock_api_client)
+    api_instance = check_context.health_api.HealthApi.return_value
+    api_instance.get_health_check.assert_called()
+
+
+def test_api_check_health_unavailable(mock_api_client, mocker):
+    mocker.patch.object(check_context, "health_api")
+    mock_api_response = mocker.Mock(available=False)
+    check_context.health_api.HealthApi.return_value.get_health_check.return_value = mock_api_response
+    with pytest.raises(check_context.UnhealthyApiError):
+        check_context.check_api_health(mock_api_client)
+
+
+def test_api_check_health_unreachable_api_exception(mock_api_client, mocker):
+    mocker.patch.object(check_context, "health_api")
+    check_context.health_api.HealthApi.return_value.get_health_check.side_effect = airbyte_api_client.ApiException()
+    with pytest.raises(check_context.UnreachableAirbyteInstanceError):
+        check_context.check_api_health(mock_api_client)
+
+
+def test_api_check_health_unreachable_max_retry_error(mock_api_client, mocker):
+    mocker.patch.object(check_context, "health_api")
+    check_context.health_api.HealthApi.return_value.get_health_check.side_effect = MaxRetryError("foo", "bar")
+    with pytest.raises(check_context.UnreachableAirbyteInstanceError):
+        check_context.check_api_health(mock_api_client)
+
+
+def test_check_workspace_exists(mock_api_client, mocker):
+    mocker.patch.object(check_context, "workspace_api")
+    mock_api_instance = mocker.Mock()
+    check_context.workspace_api.WorkspaceApi.return_value = mock_api_instance
+    assert check_context.check_workspace_exists(mock_api_client, "foo") is None
+    check_context.workspace_api.WorkspaceApi.assert_called_with(mock_api_client)
+    mock_api_instance.get_workspace.assert_called_with(WorkspaceIdRequestBody("foo"), _check_return_type=False)
+
+
+def test_check_workspace_exists_error(mock_api_client, mocker):
+    mocker.patch.object(check_context, "workspace_api")
+    check_context.workspace_api.WorkspaceApi.return_value.get_workspace.side_effect = airbyte_api_client.ApiException()
+    with pytest.raises(check_context.WorkspaceIdError):
+        check_context.check_workspace_exists(mock_api_client, "foo")
+
+
+@pytest.fixture
+def project_directories():
+    dirpath = tempfile.mkdtemp()
+    yield str(Path(dirpath).parent.absolute()), [os.path.basename(dirpath)]
+    shutil.rmtree(dirpath)
+
+
+def test_check_is_initialized(mocker, project_directories):
+    project_directory, sub_directories = project_directories
+    mocker.patch.object(check_context, "REQUIRED_PROJECT_DIRECTORIES", sub_directories)
+    assert check_context.check_is_initialized(project_directory)
+
+
+def test_check_not_initialized():
+    assert not check_context.check_is_initialized(".")

octavia-cli/unit_tests/test_entrypoint.py

@@ -2,8 +2,6 @@
 # Copyright (c) 2021 Airbyte, Inc., all rights reserved.
 #
 
-from unittest import mock
-
 import click
 import pytest
 from click.testing import CliRunner
@@ -17,25 +15,70 @@ def dumb(ctx):
 
 
 def test_octavia(mocker):
-    mocker.patch.object(entrypoint, "workspace_api")
-    mocker.patch.object(entrypoint, "airbyte_api_client")
-
+    mocker.patch.object(entrypoint, "click")
+    mocker.patch.object(entrypoint, "get_api_client")
+    mocker.patch.object(entrypoint, "get_workspace_id", mocker.Mock(return_value="api-defined-workspace-id"))
+    mocker.patch.object(entrypoint, "check_is_initialized", mocker.Mock(return_value=True))
     context_object = {}
-    mock_api_instance = entrypoint.workspace_api.WorkspaceApi.return_value
-    mock_api_instance.list_workspaces.return_value = mock.MagicMock(workspaces=[{"workspaceId": "expected_workspace_id"}])
+    entrypoint.octavia.add_command(dumb)
+    runner = CliRunner()
+    result = runner.invoke(entrypoint.octavia, ["--airbyte-url", "test-airbyte-url", "dumb"], obj=context_object)
+    entrypoint.get_api_client.assert_called()
+    entrypoint.get_workspace_id.assert_called_with(entrypoint.get_api_client.return_value, None)
+    expected_message = "🐙 - Octavia is targetting your Airbyte instance running at test-airbyte-url on workspace api-defined-workspace-id."
+    entrypoint.click.style.assert_called_with(expected_message, fg="green")
+    entrypoint.click.echo.assert_called_with(entrypoint.click.style.return_value)
+    assert context_object == {
+        "API_CLIENT": entrypoint.get_api_client.return_value,
+        "WORKSPACE_ID": entrypoint.get_workspace_id.return_value,
+        "PROJECT_IS_INITIALIZED": entrypoint.check_is_initialized.return_value,
+    }
+    assert result.exit_code == 0
 
+
+def test_octavia_not_initialized(mocker):
+    mocker.patch.object(entrypoint, "click")
+    mocker.patch.object(entrypoint, "get_api_client")
+    mocker.patch.object(entrypoint, "get_workspace_id", mocker.Mock(return_value="api-defined-workspace-id"))
+    mocker.patch.object(entrypoint, "check_is_initialized", mocker.Mock(return_value=False))
+    context_object = {}
     entrypoint.octavia.add_command(dumb)
     runner = CliRunner()
     result = runner.invoke(entrypoint.octavia, ["--airbyte-url", "test-airbyte-url", "dumb"], obj=context_object)
-    entrypoint.airbyte_api_client.Configuration.assert_called_with(host="test-airbyte-url/api")
-    entrypoint.airbyte_api_client.ApiClient.assert_called_with(entrypoint.airbyte_api_client.Configuration.return_value)
-    entrypoint.workspace_api.WorkspaceApi.assert_called_with(entrypoint.airbyte_api_client.ApiClient.return_value)
-    mock_api_instance.list_workspaces.assert_called_once()
-    assert context_object["API_CLIENT"] == entrypoint.airbyte_api_client.ApiClient.return_value
-    assert context_object["WORKSPACE_ID"] == "expected_workspace_id"
+    entrypoint.click.style.assert_called_with("🐙 - Project is not yet initialized.", fg="red", bold=True)
+    entrypoint.click.echo.assert_called_with(entrypoint.click.style.return_value)
     assert result.exit_code == 0
 
 
+def test_get_api_client(mocker):
+    mocker.patch.object(entrypoint, "airbyte_api_client")
+    mocker.patch.object(entrypoint, "check_api_health")
+    api_client = entrypoint.get_api_client("test-url")
+    entrypoint.airbyte_api_client.Configuration.assert_called_with(host="test-url/api")
+    entrypoint.airbyte_api_client.ApiClient.assert_called_with(entrypoint.airbyte_api_client.Configuration.return_value)
+    entrypoint.check_api_health.assert_called_with(entrypoint.airbyte_api_client.ApiClient.return_value)
+    assert api_client == entrypoint.airbyte_api_client.ApiClient.return_value
+
+
+def test_get_workspace_id_user_defined(mocker):
+    mock_api_client = mocker.Mock()
+    mocker.patch.object(entrypoint, "check_workspace_exists")
+    mocker.patch.object(entrypoint, "workspace_api")
+    assert entrypoint.get_workspace_id(mock_api_client, "user-defined-workspace-id") == "user-defined-workspace-id"
+    entrypoint.check_workspace_exists.assert_called_with(mock_api_client, "user-defined-workspace-id")
+
+
+def test_get_workspace_id_api_defined(mocker):
+    mock_api_client = mocker.Mock()
+    mocker.patch.object(entrypoint, "check_workspace_exists")
+    mocker.patch.object(entrypoint, "workspace_api")
+    mock_api_instance = entrypoint.workspace_api.WorkspaceApi.return_value
+    mock_api_instance.list_workspaces.return_value = mocker.Mock(workspaces=[{"workspaceId": "api-defined-workspace-id"}])
+    assert entrypoint.get_workspace_id(mock_api_client, None) == "api-defined-workspace-id"
+    entrypoint.workspace_api.WorkspaceApi.assert_called_with(mock_api_client)
+    mock_api_instance.list_workspaces.assert_called_with(_check_return_type=False)
+
+
 def test_commands_in_octavia_group():
     octavia_commands = entrypoint.octavia.commands.values()
     for command in entrypoint.AVAILABLE_COMMANDS:
@@ -44,7 +87,7 @@ def test_commands_in_octavia_group():
 
 @pytest.mark.parametrize(
     "command",
-    [entrypoint.init, entrypoint.apply, entrypoint.create, entrypoint.delete, entrypoint._import],
+    [entrypoint.apply, entrypoint.create, entrypoint.delete, entrypoint._import],
 )
 def test_not_implemented_commands(command):
     runner = CliRunner()
@@ -54,4 +97,4 @@ def test_not_implemented_commands(command):
 
 
 def test_available_commands():
-    assert entrypoint.AVAILABLE_COMMANDS == [entrypoint.list_commands._list]
+    assert entrypoint.AVAILABLE_COMMANDS == [entrypoint.list_commands._list, entrypoint.init_commands.init]

octavia-cli/unit_tests/test_init/__init__.py

@@ -0,0 +1,3 @@
+#
+# Copyright (c) 2021 Airbyte, Inc., all rights reserved.
+#