diff options
Diffstat (limited to 'udev/cloud-init-wait')
| -rwxr-xr-x | udev/cloud-init-wait | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/udev/cloud-init-wait b/udev/cloud-init-wait index 7d53dee4..b434005d 100755 --- a/udev/cloud-init-wait +++ b/udev/cloud-init-wait @@ -3,16 +3,18 @@ CI_NET_READY="/run/cloud-init/network-config-ready" LOG="/run/cloud-init/${0##*/}.log" LOG_INIT=0 +MAX_WAIT=60 DEBUG=0 block_until_ready() { - local fname="$1" - local naplen="$2" max="$3" n=0 - while ! [ -f "$fname" ]; do - n=$(($n+1)) - [ "$n" -ge "$max" ] && return 1 - sleep $naplen - done + local fname="$1" max="$2" + [ -f "$fname" ] && return 0 + # udevadm settle below will exit at the first of 3 conditions + # 1.) timeout 2.) file exists 3.) all in-flight udev events are processed + # since this is being run from a udev event, the 3 wont happen. + # thus, this is essentially a inotify wait or timeout on a file in /run + # that is created by cloud-init-local. + udevadm settle "--timeout=$max" "--exit-if-exists=$fname" } log() { @@ -56,7 +58,7 @@ main() { return 0 fi - block_until_ready "$readyfile" .1 600 || + block_until_ready "$readyfile" "$MAX_WAIT" || { log "failed waiting for ready on $INTERFACE"; return 1; } log "net config ready" |