File combustion.rules of Package combustion

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File combustion.rules of Package combustion (Revision 67d393ce9b6b7f7277f995e90f02bb93)

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# SPDX-FileCopyrightText: 2020 SUSE LLC
# SPDX-License-Identifier: GPL-2.0-only

# These rules are needed to work around two systemd limitations:
# - It's not possible to wait for one of multiple devices to appear 
# - ConditionKernelCommandLine is evaluated after Wants/After,
#   so it waits for the devices unnecessarily
# Introduce a dev-combustion-config.device unit as alias to the actual device(s).
# This is only used for the .service dependencies.

# Filesystems with either combustion or ignition as label
ACTION=="add", SUBSYSTEM=="block", ENV{ID_FS_LABEL}=="combustion", ENV{SYSTEMD_ALIAS}+="/dev/combustion/config"
ACTION=="add", SUBSYSTEM=="block", ENV{ID_FS_LABEL}=="ignition", ENV{SYSTEMD_ALIAS}+="/dev/combustion/config"
# QEMU fw_cfg blob with key opt/org.opensuse.combustion
ACTION=="add", SUBSYSTEM=="opt", ENV{DEVPATH}=="/firmware/qemu_fw_cfg/by_name/opt/org.opensuse.combustion", ENV{SYSTEMD_ALIAS}+="/dev/combustion/config", TAG+="systemd"

# If combustion won't run, alias it to /dev/null to avoid waiting
ACTION=="add", SUBSYSTEM=="mem", ENV{DEVPATH}=="/devices/virtual/mem/null", GOTO="combustion_dev_null"
GOTO="combustion_end"

LABEL="combustion_dev_null"
# IMPORT has to be on its own as it returns success or not, even with "="...
IMPORT{cmdline}="ignition.firstboot"
IMPORT{cmdline}="combustion.firstboot"
ENV{ignition.firstboot}!="1", ENV{combustion.firstboot}!="1", ENV{SYSTEMD_ALIAS}+="/dev/combustion/config", TAG+="systemd"

LABEL="combustion_end"

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File combustion.rules of Package combustion (Revision 67d393ce9b6b7f7277f995e90f02bb93)

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