Have Transmitter get values from RunnerConfig

Author: Shrews

src/ansible_runner/config/_base.py

@@ -64,7 +64,7 @@ class BaseExecutionMode(Enum):
 
 # Metadata string values
 class MetaValues(Enum):
-    STREAMABLE = 'streamable'
+    TRANSMIT = 'transmit'
 
 
 @dataclass
@@ -82,38 +82,38 @@ class BaseConfig:
     # No other config objects make use of positional parameters, so this should be fine.
     #
     # Example use case: RunnerConfig("/tmp/demo", playbook="main.yml", ...)
-    private_data_dir: str | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    private_data_dir: str | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
 
-    artifact_dir: str | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    artifact_dir: str | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
     check_job_event_data: bool = False
     container_auth_data: dict[str, str] | None = None
-    container_image: str = ""
+    container_image: str | None = None
     container_options: list[str] | None = None
     container_volume_mounts: list[str] | None = None
     container_workdir: str | None = None
     envvars: dict[str, Any] | None = None
-    fact_cache: str | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    fact_cache: str | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
     fact_cache_type: str = 'jsonfile'
     host_cwd: str | None = None
-    ident: str | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    ident: str | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
     json_mode: bool = False
-    keepalive_seconds: int | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    keepalive_seconds: int | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
     passwords: dict[str, str] | None = None
     process_isolation: bool = False
     process_isolation_executable: str = defaults.default_process_isolation_executable
-    project_dir: str | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    project_dir: str | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
     quiet: bool = False
     rotate_artifacts: int = 0
     settings: dict | None = None
     ssh_key: str | None = None
     suppress_env_files: bool = False
     timeout: int | None = None
 
-    event_handler: Callable[[dict], None] | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
-    status_handler: Callable[[dict, BaseConfig], bool] | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
-    artifacts_handler: Callable[[str], None] | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
-    cancel_callback: Callable[[], bool] | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
-    finished_callback: Callable[[BaseConfig], None] | None = field(metadata={MetaValues.STREAMABLE: False}, default=None)
+    event_handler: Callable[[dict], None] | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
+    status_handler: Callable[[dict, BaseConfig], bool] | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
+    artifacts_handler: Callable[[str], None] | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
+    cancel_callback: Callable[[], bool] | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
+    finished_callback: Callable[[BaseConfig], None] | None = field(metadata={MetaValues.TRANSMIT: False}, default=None)
 
     _CONTAINER_ENGINES = ('docker', 'podman')
 
@@ -123,6 +123,8 @@ def __post_init__(self) -> None:
         self.command: list[str] = []
         self.registry_auth_path: str
         self.container_name: str = ""  # like other properties, not accurate until prepare is called
+        if self.container_image is None:
+            self.container_image = ''
 
         # ignore this for now since it's worker-specific and would just trip up old runners
         # self.keepalive_seconds = keepalive_seconds
@@ -147,7 +149,9 @@ def __post_init__(self) -> None:
 
         if self.ident is None:
             self.ident = str(uuid4())
+            self.ident_set_by_user = False
         else:
+            self.ident_set_by_user = True
             self.ident = str(self.ident)
 
         self.artifact_dir = os.path.join(self.artifact_dir, self.ident)
@@ -185,7 +189,6 @@ def prepare_env(self, runner_mode: str = 'pexpect') -> None:
         Manages reading environment metadata files under ``private_data_dir`` and merging/updating
         with existing values so the :py:class:`ansible_runner.runner.Runner` object can read and use them easily
         """
-
         if self.ident is None:
             raise ConfigurationError("ident value cannot be None")
         if self.artifact_dir is None:
@@ -520,6 +523,9 @@ def wrap_args_for_containerization(self,
         if self.private_data_dir is None:
             raise ConfigurationError("private_data_dir value cannot be None")
 
+        if self.container_image is None:
+            raise ConfigurationError("container_image value cannot be None")
+
         new_args = [self.process_isolation_executable]
         new_args.extend(['run', '--rm'])
 

src/ansible_runner/config/runner.py

@@ -152,18 +152,42 @@ def extra_vars(self, value):
     def streamable_attributes(self) -> dict[str, Any]:
         """Get the set of streamable attributes that have a value that is different from the default.
 
-        The field metadata indicates if the attribute is streamable. By default, an attribute
+        The field metadata indicates if the attribute is streamable from Transmit. By default, an attribute
         is considered streamable (must be explicitly disabled).
 
         :return: A dict of attribute names and their values.
         """
         retval = {}
         for field_obj in fields(self):
-            if field_obj.metadata and not field_obj.metadata.get(MetaValues.STREAMABLE, True):
+            if field_obj.metadata and not field_obj.metadata.get(MetaValues.TRANSMIT, True):
                 continue
             current_value = getattr(self, field_obj.name)
-            if not field_obj.default == current_value:
-                retval[field_obj.name] = current_value
+
+            if field_obj.default == current_value:
+                continue
+
+            # Treat an empty current value (e.g., {} or "") as the same as a default of None to prevent
+            # streaming unnecessary empty values.
+            if field_obj.default is None and current_value in ({}, "", []):
+                continue
+
+            retval[field_obj.name] = current_value
+
+        return retval
+
+    def all_non_default_attributes(self) -> dict[str, Any]:
+        """Get all values that have been set differently from their default values.
+
+        :return: A dict of attribute names and their values.
+        """
+        retval = {}
+        for field_obj in fields(self):
+            current_value = getattr(self, field_obj.name)
+            if field_obj.default == current_value:
+                continue
+            if field_obj.default is None and current_value in ({}, "", []):
+                continue
+            retval[field_obj.name] = current_value
         return retval
 
     def prepare(self):

src/ansible_runner/interface.py

@@ -25,7 +25,6 @@
 import sys
 import threading
 import logging
-from dataclasses import asdict
 
 from ansible_runner import output
 from ansible_runner._internal._dump_artifacts import dump_artifacts
@@ -90,18 +89,16 @@ def init_runner(
         config.cancel_callback = signal_handler()
 
     if streamer == 'transmit':
-        kwargs = asdict(config)
-        stream_transmitter = Transmitter(only_transmit_kwargs, _output=_output, **kwargs)
+        stream_transmitter = Transmitter(config, only_transmit_kwargs, _output=_output)
         return stream_transmitter
 
     if streamer == 'worker':
-        kwargs = asdict(config)
+        kwargs = config.all_non_default_attributes()
         stream_worker = Worker(_input=_input, _output=_output, **kwargs)
         return stream_worker
 
     if streamer == 'process':
-        kwargs = asdict(config)
-        stream_processor = Processor(_input=_input, **kwargs)
+        stream_processor = Processor(config, _input=_input)
         return stream_processor
 
     if config.process_isolation:

src/ansible_runner/streaming.py

@@ -15,6 +15,7 @@
 from typing import BinaryIO
 
 import ansible_runner
+from ansible_runner.config.runner import RunnerConfig
 from ansible_runner.exceptions import ConfigurationError
 from ansible_runner.loader import ArtifactLoader
 import ansible_runner.plugins
@@ -38,16 +39,14 @@ def __init__(self, settings):
 
 
 class Transmitter:
-    def __init__(self, only_transmit_kwargs: bool, _output: BinaryIO | None, **kwargs):
+    def __init__(self, config: RunnerConfig, only_transmit_kwargs: bool = False, _output: BinaryIO | None = None):
         if _output is None:
             _output = sys.stdout.buffer
         self._output = _output
-        self.private_data_dir = os.path.abspath(kwargs['private_data_dir'])
+        self.private_data_dir = os.path.abspath(config.private_data_dir) if config.private_data_dir else ""
         self.only_transmit_kwargs = only_transmit_kwargs
-        if 'keepalive_seconds' in kwargs:
-            kwargs.pop('keepalive_seconds')  # don't confuse older runners with this Worker-only arg
 
-        self.kwargs = kwargs
+        self.kwargs = config.streamable_attributes()
 
         self.status = "unstarted"
         self.rc = None
@@ -251,43 +250,36 @@ def finished_callback(self, runner_obj):
 
 
 class Processor:
-    def __init__(self, _input=None, status_handler=None, event_handler=None,
-                 artifacts_handler=None, cancel_callback=None, finished_callback=None, **kwargs):
+    def __init__(self, config: RunnerConfig, _input: BinaryIO | None = None):
         if _input is None:
             _input = sys.stdin.buffer
         self._input = _input
 
-        self.quiet = kwargs.get('quiet')
+        self.quiet = config.quiet
 
-        private_data_dir = kwargs.get('private_data_dir')
-        if private_data_dir is None:
-            private_data_dir = tempfile.mkdtemp()
-        self.private_data_dir = private_data_dir
+        self.private_data_dir: str = config.private_data_dir or ''
         self._loader = ArtifactLoader(self.private_data_dir)
 
-        settings = kwargs.get('settings')
+        settings = config.settings
         if settings is None:
             try:
-                settings = self._loader.load_file('env/settings', Mapping)
+                settings = self._loader.load_file('env/settings', Mapping)  # type: ignore
             except ConfigurationError:
                 settings = {}
         self.config = MockConfig(settings)
 
-        if kwargs.get('artifact_dir'):
-            self.artifact_dir = os.path.abspath(kwargs.get('artifact_dir'))
-        else:
-            project_artifacts = os.path.abspath(os.path.join(self.private_data_dir, 'artifacts'))
-            if ident := kwargs.get('ident'):
-                self.artifact_dir = os.path.join(project_artifacts, str(ident))
-            else:
-                self.artifact_dir = project_artifacts
+        self.artifact_dir = config.artifact_dir
+        if self.artifact_dir and not config.ident_set_by_user:
+            # If an ident value was not explicitly supplied, for some reason, we don't bother with
+            # using a subdir named with the ident value.
+            self.artifact_dir, _ = os.path.split(self.artifact_dir)
 
-        self.status_handler = status_handler
-        self.event_handler = event_handler
-        self.artifacts_handler = artifacts_handler
+        self.status_handler = config.status_handler
+        self.event_handler = config.event_handler
+        self.artifacts_handler = config.artifacts_handler
 
-        self.cancel_callback = cancel_callback  # FIXME: unused
-        self.finished_callback = finished_callback
+        self.cancel_callback = config.cancel_callback  # FIXME: unused
+        self.finished_callback = config.finished_callback
 
         self.status = "unstarted"
         self.rc = None