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61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
"""Generic service status fetcher using systemctl"""
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import subprocess
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from selfprivacy_api.services.service import ServiceStatus
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def get_service_status(service: str) -> ServiceStatus:
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"""
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Return service status from systemd.
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Use systemctl show to get the status of a service.
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Get ActiveState from the output.
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"""
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service_status = subprocess.check_output(["systemctl", "show", service])
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if b"LoadState=not-found" in service_status:
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return ServiceStatus.OFF
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if b"ActiveState=active" in service_status:
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return ServiceStatus.ACTIVE
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if b"ActiveState=inactive" in service_status:
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return ServiceStatus.INACTIVE
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if b"ActiveState=activating" in service_status:
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return ServiceStatus.ACTIVATING
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if b"ActiveState=deactivating" in service_status:
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return ServiceStatus.DEACTIVATING
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if b"ActiveState=failed" in service_status:
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return ServiceStatus.FAILED
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if b"ActiveState=reloading" in service_status:
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return ServiceStatus.RELOADING
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return ServiceStatus.OFF
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def get_service_status_from_several_units(services: list[str]) -> ServiceStatus:
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"""
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Fetch all service statuses for all services and return the worst status.
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Statuses from worst to best:
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- OFF
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- FAILED
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- RELOADING
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- ACTIVATING
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- DEACTIVATING
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- INACTIVE
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- ACTIVE
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"""
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service_statuses = []
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for service in services:
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service_statuses.append(get_service_status(service))
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if ServiceStatus.OFF in service_statuses:
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return ServiceStatus.OFF
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if ServiceStatus.FAILED in service_statuses:
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return ServiceStatus.FAILED
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if ServiceStatus.RELOADING in service_statuses:
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return ServiceStatus.RELOADING
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if ServiceStatus.ACTIVATING in service_statuses:
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return ServiceStatus.ACTIVATING
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if ServiceStatus.DEACTIVATING in service_statuses:
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return ServiceStatus.DEACTIVATING
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if ServiceStatus.INACTIVE in service_statuses:
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return ServiceStatus.INACTIVE
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if ServiceStatus.ACTIVE in service_statuses:
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return ServiceStatus.ACTIVE
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return ServiceStatus.OFF
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