Refactor actions

Each action is a separate class
Allows for us to share code between actions

ansible_rulebook/action/base_action.py

@@ -0,0 +1,90 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+
+import uuid
+from typing import Dict
+
+from ansible_rulebook.conf import settings
+from ansible_rulebook.event_filter.insert_meta_info import main as insert_meta
+from ansible_rulebook.util import run_at
+
+from .control import Control
+from .metadata import Metadata
+
+KEY_EDA_VARS = "ansible_eda"
+INTERNAL_ACTION_STATUS = "successful"
+
+
+class BaseAction:
+    def __init__(self, metadata: Metadata, control: Control, action: str):
+        self.metadata = metadata
+        self.control = control
+        self.uuid = str(uuid.uuid4())
+        self.action = action
+
+    async def send(self, data: dict, objtype: str = "Action") -> None:
+        payload = {
+            "type": objtype,
+            "action": self.action,
+            "action_uuid": self.uuid,
+            "ruleset": self.metadata.rule_set,
+            "ruleset_uuid": self.metadata.rule_set_uuid,
+            "rule": self.metadata.rule,
+            "rule_uuid": self.metadata.rule_uuid,
+            "rule_run_at": self.metadata.rule_run_at,
+            "activation_id": settings.identifier,
+            "activation_instance_id": settings.identifier,
+        }
+        payload.update(data)
+        await self.control.event_log.put(payload)
+
+    async def send_default_status(self):
+        await self.send(
+            {
+                "run_at": run_at(),
+                "status": INTERNAL_ACTION_STATUS,
+                "matching_events": self._get_events(),
+            }
+        )
+
+    def _get_events(self) -> Dict:
+        if "event" in self.control.variables:
+            return {"m": self.control.variables["event"]}
+        if "events" in self.control.variables:
+            return self.control.variables["events"]
+        return {}
+
+    def _embellish_internal_event(self, event: Dict) -> Dict:
+        return insert_meta(
+            event, **{"source_name": self.action, "source_type": "internal"}
+        )
+
+    def set_action(self, action):
+        self.action = action
+
+    def _collect_extra_vars(self, user_extra_vars: dict) -> dict:
+        extra_vars = user_extra_vars.copy() if user_extra_vars else {}
+
+        eda_vars = {
+            "ruleset": self.metadata.rule_set,
+            "rule": self.metadata.rule,
+        }
+        if "events" in self.control.variables:
+            eda_vars["events"] = self.control.variables["events"]
+        if "event" in self.control.variables:
+            eda_vars["event"] = self.control.variables["event"]
+
+        extra_vars[KEY_EDA_VARS] = eda_vars
+        return extra_vars

ansible_rulebook/action/control.py

@@ -0,0 +1,33 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import asyncio
+from dataclasses import dataclass
+from typing import List
+
+
+@dataclass(frozen=True)
+class Control:
+    __slots__ = [
+        "event_log",
+        "inventory",
+        "hosts",
+        "variables",
+        "project_data_file",
+    ]
+    event_log: asyncio.Queue
+    inventory: str
+    hosts: List[str]
+    variables: dict
+    project_data_file: str

ansible_rulebook/action/debug.py

@@ -0,0 +1,71 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import logging
+import sys
+from dataclasses import asdict
+from pprint import pprint
+
+import dpath
+from drools import ruleset as lang
+
+from ansible_rulebook.util import get_horizontal_rule
+
+from .base_action import BaseAction
+from .control import Control
+from .metadata import Metadata
+
+logger = logging.getLogger(__name__)
+
+
+class Debug(BaseAction):
+    def __init__(self, metadata: Metadata, control: Control, **action_args):
+        super().__init__(metadata, control, "debug")
+        self.action_args = action_args
+
+    async def __call__(self):
+
+        if "msg" in self.action_args:
+            messages = self.action_args.get("msg")
+            if not isinstance(messages, list):
+                messages = [messages]
+            for msg in messages:
+                print(msg)
+        elif "var" in self.action_args:
+            key = self.action_args.get("var")
+            try:
+                print(dpath.get(self.control.variables, key, separator="."))
+            except KeyError:
+                logger.error("Key %s not found in variable pool", key)
+                raise
+        else:
+            print(get_horizontal_rule("="))
+            print("kwargs:")
+            args = asdict(self.metadata)
+            args.update(
+                {
+                    "inventory": self.control.inventory,
+                    "hosts": self.control.hosts,
+                    "variables": self.control.variables,
+                    "project_data_file": self.control.project_data_file,
+                }
+            )
+            pprint(args)
+            print(get_horizontal_rule("="))
+            print("facts:")
+            pprint(lang.get_facts(self.metadata.rule_set))
+            print(get_horizontal_rule("="))
+
+        sys.stdout.flush()
+        await self.send_default_status()

ansible_rulebook/action/metadata.py

@@ -0,0 +1,31 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Metadata:
+    __slots__ = [
+        "rule",
+        "rule_uuid",
+        "rule_set",
+        "rule_set_uuid",
+        "rule_run_at",
+    ]
+    rule: str
+    rule_uuid: str
+    rule_set: str
+    rule_set_uuid: str
+    rule_run_at: str

ansible_rulebook/action/noop.py

@@ -0,0 +1,30 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import logging
+
+from .base_action import BaseAction
+from .control import Control
+from .metadata import Metadata
+
+logger = logging.getLogger(__name__)
+
+
+class Noop(BaseAction):
+    def __init__(self, metadata: Metadata, control: Control, **action_args):
+        super().__init__(metadata, control, "noop")
+        self.action_args = action_args
+
+    async def __call__(self):
+        await self.send_default_status()

ansible_rulebook/action/post_event.py

@@ -0,0 +1,36 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import logging
+
+from drools import ruleset as lang
+
+from .base_action import BaseAction
+from .control import Control
+from .metadata import Metadata
+
+logger = logging.getLogger(__name__)
+
+
+class PostEvent(BaseAction):
+    def __init__(self, metadata: Metadata, control: Control, **action_args):
+        super().__init__(metadata, control, "post_event")
+        self.action_args = action_args
+
+    async def __call__(self):
+        lang.post(
+            self.action_args["ruleset"],
+            self._embellish_internal_event(self.action_args["event"]),
+        )
+        await self.send_default_status()

ansible_rulebook/action/print_event.py

@@ -0,0 +1,39 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import sys
+from pprint import pprint
+from typing import Callable
+
+from .base_action import BaseAction
+from .control import Control
+from .metadata import Metadata
+
+
+class PrintEvent(BaseAction):
+    def __init__(self, metadata: Metadata, control: Control, **action_args):
+        super().__init__(metadata, control, "print_event")
+
+        self.action_args = action_args
+
+    async def __call__(self):
+        print_fn: Callable = print
+        if "pretty" in self.action_args:
+            print_fn = pprint
+
+        var_name = "events" if "events" in self.control.variables else "event"
+
+        print_fn(self.control.variables[var_name])
+        sys.stdout.flush()
+        await self.send_default_status()

ansible_rulebook/action/retract_fact.py

@@ -0,0 +1,44 @@
+#  Copyright 2023 Red Hat, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import logging
+
+from drools import ruleset as lang
+
+from .base_action import BaseAction
+from .control import Control
+from .metadata import Metadata
+
+logger = logging.getLogger(__name__)
+
+
+class RetractFact(BaseAction):
+    def __init__(self, metadata: Metadata, control: Control, **action_args):
+        super().__init__(metadata, control, "retract_fact")
+        self.action_args = action_args
+
+    async def __call__(self):
+        partial = self.action_args.get("partial", True)
+        if not partial:
+            exclude_keys = ["meta"]
+        else:
+            exclude_keys = []
+
+        lang.retract_matching_facts(
+            self.action_args["ruleset"],
+            self.action_args["fact"],
+            partial,
+            exclude_keys,
+        )
+        await self.send_default_status()