mirror of
https://git.selfprivacy.org/SelfPrivacy/selfprivacy-rest-api.git
synced 2024-11-13 22:23:16 +00:00
127 lines
3.8 KiB
Python
127 lines
3.8 KiB
Python
"""
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A task to start the system upgrade or rebuild by starting a systemd unit.
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After starting, track the status of the systemd unit and update the Job
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status accordingly.
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"""
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import subprocess
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from selfprivacy_api.utils.huey import huey
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from selfprivacy_api.jobs import JobStatus, Jobs, Job
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from selfprivacy_api.utils.waitloop import wait_until_true
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from selfprivacy_api.utils.systemd import (
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get_service_status,
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get_last_log_lines,
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ServiceStatus,
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)
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START_TIMEOUT = 60 * 5
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START_INTERVAL = 1
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RUN_TIMEOUT = 60 * 60
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RUN_INTERVAL = 5
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def check_if_started(unit_name: str):
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"""Check if the systemd unit has started"""
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try:
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status = get_service_status(unit_name)
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if status == ServiceStatus.ACTIVE:
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return True
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return False
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except subprocess.CalledProcessError:
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return False
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def check_running_status(job: Job, unit_name: str):
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"""Check if the systemd unit is running"""
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try:
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status = get_service_status(unit_name)
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if status == ServiceStatus.INACTIVE:
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Jobs.update(
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job=job,
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status=JobStatus.FINISHED,
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result="System rebuilt.",
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progress=100,
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)
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return True
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if status == ServiceStatus.FAILED:
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log_lines = get_last_log_lines(unit_name, 10)
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Jobs.update(
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job=job,
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status=JobStatus.ERROR,
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error="System rebuild failed. Last log lines:\n" + "\n".join(log_lines),
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)
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return True
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if status == ServiceStatus.ACTIVE:
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log_lines = get_last_log_lines(unit_name, 1)
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Jobs.update(
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job=job,
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status=JobStatus.RUNNING,
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status_text=log_lines[0] if len(log_lines) > 0 else "",
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)
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return False
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return False
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except subprocess.CalledProcessError:
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return False
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@huey.task()
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def rebuild_system_task(job: Job, upgrade: bool = False):
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"""Rebuild the system"""
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unit_name = "sp-nixos-upgrade.service" if upgrade else "sp-nixos-rebuild.service"
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try:
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command = ["systemctl", "start", unit_name]
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subprocess.run(
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command,
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check=True,
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start_new_session=True,
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shell=False,
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)
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Jobs.update(
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job=job,
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status=JobStatus.RUNNING,
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status_text="Starting the system rebuild...",
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)
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# Wait for the systemd unit to start
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try:
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wait_until_true(
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lambda: check_if_started(unit_name),
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timeout_sec=START_TIMEOUT,
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interval=START_INTERVAL,
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)
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except TimeoutError:
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log_lines = get_last_log_lines(unit_name, 10)
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Jobs.update(
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job=job,
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status=JobStatus.ERROR,
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error="System rebuild timed out. Last log lines:\n"
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+ "\n".join(log_lines),
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)
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return
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Jobs.update(
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job=job,
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status=JobStatus.RUNNING,
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status_text="Rebuilding the system...",
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)
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# Wait for the systemd unit to finish
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try:
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wait_until_true(
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lambda: check_running_status(job, unit_name),
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timeout_sec=RUN_TIMEOUT,
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interval=RUN_INTERVAL,
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)
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except TimeoutError:
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log_lines = get_last_log_lines(unit_name, 10)
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Jobs.update(
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job=job,
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status=JobStatus.ERROR,
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error="System rebuild timed out. Last log lines:\n"
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+ "\n".join(log_lines),
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)
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return
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except subprocess.CalledProcessError as e:
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Jobs.update(
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job=job,
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status=JobStatus.ERROR,
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status_text=str(e),
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)
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