Hi,
After further investigation, the whole cloud-init dependencies chains is
completely broken with systemd.
cloud-config.service, cloud-final.service, cloud-init-local.service,
cloud-init.service start in parallel, but:
cloud-init-local must start before networking
cloud-init should depends on cloud-init-local and networking
cloud-config should depends on cloud-init and cloud-init-local
cloud-final should depends on cloud-config and be the last serivices to
start
This issue is more critical, that I have thought initially, because with
systemd, the cloud-init behavior is completely unpredictable...
Also, the current packaged debian version source contains the systemd
unit files, but the binary package doesn't install them.
The current systemd dependencies chains of a minimal system with
cloud-init:
# systemctl list-dependencies
default.target
● ├─cloud-config.service
● ├─cloud-final.service
● ├─cloud-init-local.service
● ├─cloud-init.service
● ├─display-manager.service
● ├─systemd-update-utmp-runlevel.service
● └─multi-user.target
● ├─cloud-config.service
● ├─cloud-final.service
● ├─cloud-init-local.service
● ├─cloud-init.service
● ├─cron.service
● ├─rc-local.service
● ├─rsyslog.service
● ├─ssh.service
● ├─systemd-ask-password-wall.path
● ├─systemd-logind.service
● ├─systemd-update-utmp-runlevel.service
● ├─systemd-user-sessions.service
● ├─basic.target
● │ ├─paths.target
● │ ├─slices.target
● │ │ ├─-.slice
● │ │ └─system.slice
● │ ├─sockets.target
● │ │ ├─systemd-initctl.socket
● │ │ ├─systemd-journald-dev-log.socket
● │ │ ├─systemd-journald.socket
● │ │ ├─systemd-shutdownd.socket
● │ │ ├─systemd-udevd-control.socket
● │ │ └─systemd-udevd-kernel.socket
● │ ├─sysinit.target
● │ │ ├─debian-fixup.service
● │ │ ├─dev-hugepages.mount
● │ │ ├─dev-mqueue.mount
● │ │ ├─kbd.service
● │ │ ├─kmod-static-nodes.service
● │ │ ├─networking.service
● │ │ ├─proc-sys-fs-binfmt_misc.automount
● │ │ ├─sys-fs-fuse-connections.mount
● │ │ ├─sys-kernel-config.mount
● │ │ ├─sys-kernel-debug.mount
● │ │ ├─systemd-ask-password-console.path
● │ │ ├─systemd-binfmt.service
● │ │ ├─systemd-journal-flush.service
● │ │ ├─systemd-journald.service
● │ │ ├─systemd-modules-load.service
● │ │ ├─systemd-random-seed.service
● │ │ ├─systemd-sysctl.service
● │ │ ├─systemd-tmpfiles-setup-dev.service
● │ │ ├─systemd-tmpfiles-setup.service
● │ │ ├─systemd-udev-trigger.service
● │ │ ├─systemd-udevd.service
● │ │ ├─systemd-update-utmp.service
● │ │ ├─udev-finish.service
● │ │ ├─cryptsetup.target
● │ │ ├─local-fs.target
● │ │ │ ├─-.mount
● │ │ │ ├─systemd-fsck-root.service
● │ │ │ └─systemd-remount-fs.service
● │ │ └─swap.target
● │ └─timers.target
● │ └─systemd-tmpfiles-clean.timer
● ├─getty.target
● │ ├─getty-static.service
● │ ├─[email protected]
● │ └─[email protected]
● └─remote-fs.target
● └─remote-fs-pre.target
Cheers,
--
Mehdi Abaakouk
mail: [email protected]
irc: sileht
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