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: / lib / systemd / system /
Filename : cloud-init-network.service
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[Unit]
# https://docs.cloud-init.io/en/latest/explanation/boot.html
Description=Cloud-init: Network Stage
DefaultDependencies=no
Wants=cloud-init-local.service
Wants=sshd-keygen.service
Wants=sshd.service
After=cloud-init-local.service
After=networking.service
Before=network-online.target
Before=sshd-keygen.service
Before=sshd.service
Before=systemd-user-sessions.service
Before=sysinit.target
Before=shutdown.target
Conflicts=shutdown.target
ConditionPathExists=!/etc/cloud/cloud-init.disabled
ConditionKernelCommandLine=!cloud-init=disabled
ConditionEnvironment=!KERNEL_CMDLINE=cloud-init=disabled

[Service]
Type=oneshot
# This service is a shim which preserves systemd ordering while allowing a
# single Python process to run cloud-init's logic. This works by communicating
# with the cloud-init process over a unix socket to tell the process that this
# stage can start, and then wait on a return socket until the cloud-init
# process has completed this stage. The output from the return socket is piped
# into a shell so that the process can send a completion message (defaults to
# "done", otherwise includes an error message) and an exit code to systemd.
ExecStart=sh -c 'echo "start" | nc -U /run/cloud-init/share/network.sock | sh'
RemainAfterExit=yes
TimeoutSec=0

# Output needs to appear in instance console output
StandardOutput=journal+console

[Install]
WantedBy=cloud-init.target