110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from ironic_python_agent import hardware
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from ironic_python_agent import utils
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from oslo_config import cfg
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from oslo_log import log
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import yaml
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CONF = cfg.CONF
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LOG = log.getLogger()
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class ContainerHardwareManager(hardware.HardwareManager):
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"""Hardware manager for container-based cleanup."""
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HARDWARE_MANAGER_NAME = "ContainerHardwareManager"
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HARDWARE_MANAGER_VERSION = "1"
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ALLOW_ARBITARY_CONTAINERS = CONF.container.allow_arbitrary_containers
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ALLOWED_CONTAINERS = CONF.container.allowed_containers
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def __init__(self):
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"""Dynamically create cleanup methods."""
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self.STEPS = self._load_steps_from_yaml(
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CONF.container.container_steps_file)
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LOG.debug("Loaded steps: %s", self.STEPS)
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for step in self.STEPS:
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if not self.ALLOW_ARBITARY_CONTAINERS:
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if step['image'] not in self.ALLOWED_CONTAINERS:
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LOG.debug(
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"%s is not registered as ALLOWED_CONTAINERS "
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"in ironic-python-agent.conf", step['image']
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)
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continue
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setattr(self, step["name"], self._create_cleanup_method(step))
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def _load_steps_from_yaml(self, file_path):
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"""Load steps from YAML file."""
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try:
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with open(file_path, 'r') as file:
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data = yaml.safe_load(file)
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return data.get('steps', [])
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except Exception as e:
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LOG.debug("Error loading steps from YAML file: %s", e)
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return []
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def evaluate_hardware_support(self):
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"""Determine if container runner exists and return support level."""
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try:
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stdout, _ = utils.execute("which", CONF.container.runner)
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if stdout.strip():
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LOG.debug("Found %s, returning MAINLINE",
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CONF.container.runner)
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return hardware.HardwareSupport.MAINLINE
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except Exception as e:
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LOG.debug("Error checking container runner: %s", str(e))
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LOG.debug("No container runner found, returning NONE")
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return hardware.HardwareSupport.NONE
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def get_clean_steps(self, node, ports):
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"""Dynamically generate cleaning steps."""
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steps = []
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for step in self.STEPS:
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steps.append(
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{
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"step": step["name"],
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"priority": step["priority"],
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"interface": step['interface'],
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"reboot_requested": step['reboot_requested'],
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"abortable": step["abortable"],
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}
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)
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return steps
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def _create_cleanup_method(self, step):
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"""Return a function that runs the container with the given image."""
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def _cleanup(node, ports):
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try:
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utils.execute(
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CONF.container.runner,
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"pull",
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*step.get("pull_options", CONF.container.pull_options),
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step["image"],
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)
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utils.execute(
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CONF.container.runner,
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"run",
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*step.get("run_options", CONF.container.run_options),
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step["image"],
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)
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except Exception as e:
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LOG.exception("Error during cleanup: %s", e)
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raise
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return True
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return _cleanup
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