/etc/init.d/tc-config: line 614: /etc/init.d/dhcp.sh: not found

[simonvanderveldt]

During booting the following error is thrown:

/etc/init.d/tc-config: line 614: /etc/init.d/dhcp.sh: not found

Obviously there shouldn't be any errors during normal boot.

This is caused by the fact that tc-config expects /etc/init.d/dhcp.sh but that file doesn't exist anymore because it's moved to /etc/rc.d/dhcp.sh during the build. AFAIK this was done in #960. I don't think simply moving this file is the correct solution, which was already kind of hinted at in #960 by @SvenDowideit

The current tc-config includes a wrapper to wrap the async dhcp.sh to wait for either an interface with a broadcast address or until a ping succeeds.
It will only use this wrapper when either a tiny core extension is loaded during startup using tftplist/httplist or when an NFS or NBD mount is used.
Also, there's an option to disable triggering DHCP entirely from tc-config (which will obviously only work when not using any of the above 3 extra options) called nodhcp.

Since by default we don't use any of these but we do want a guarantee that there's a DHCP lease before running other commands I believe we have the following options:

• Patch /etc/init.d/dhcp.sp to not run async (ie change udhcpc -b to udhcpd -A <seconds>)
• Patch tc-config to always execute the wait4Server() function. Since tc-config calls bootsync.sh it'll always be done before our custom actions are executed
• Use nodhcp to disable DHCP in tc-config and run either udhcpc -A <seconds>, which blocks/waits for <seconds> waiting to obtain the lease or wait4Server() from tc-config in bootsync.sh/bootscript.sh before running any other custom actions

If someone has a better idea please let me know :)

[simonvanderveldt]

Sample implementation of patching dhcp.sh can be found here simonvanderveldt@86bd92f