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* lib/process: replace pb_run_cmd_pipeJeremy Kerr2013-08-192-14/+36
| | | | | | Replace pb_run_cmd_pipe with process_create / process_run_sync. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/boot: talloc struct boot_taskJeremy Kerr2013-08-191-38/+34
| | | | | | | | | Rather than using the stack for struct boot_task, talloc one instead. This gives us a short-lived context (active for the boot() process only), and we don't need to use the externally-provided context directly. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: remove unused user_event_triggerJeremy Kerr2013-08-193-14/+0
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* lib/waiter: remove waitset_destroyJeremy Kerr2013-08-191-1/+0
| | | | | | We can rely on the ctx free to destroy the waitset. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/file: Add sensible perms when using replace_fileJeremy Kerr2013-08-161-0/+3
| | | | | | Rather than no access at all, use a default of 0644. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/network: free buffers from resolv.conf updateJeremy Kerr2013-08-161-7/+8
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/network: fix incorrect nameserver directive in resolv.confJeremy Kerr2013-08-161-1/+1
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* network: handle DNS configJeremy Kerr2013-08-081-0/+57
| | | | | | If we have a dns config option, update resolv.conf Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/file: Add replace_file()Jeremy Kerr2013-08-082-0/+44
| | | | | | Add a function to atomically replace a file. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: separate file-reading code into file.cJeremy Kerr2013-08-084-53/+103
| | | | | | | We'll need to read files in the network config code, so add a 'file' object, containing the read_file function. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: remove libparser objectJeremy Kerr2013-08-081-21/+14
| | | | | | | | There's no real need for a separate libparser object. Our tests pull-in the parsers directly, and the discover server is the only thing that actually links to libparser.ro. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* config: Split interface configuration from network configurationJeremy Kerr2013-08-081-7/+7
| | | | | | | | This change moves the interface configuration into its own 'struct interface_config'. We also remove the _config suffix from the network and interface members. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/yaboot: implement default optionsJeremy Kerr2013-08-071-0/+7
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/yaboot: fix device parsingJeremy Kerr2013-08-071-67/+72
| | | | | | | | | | | | | | | A couple of fixes for yaboot's device-handling code. Firstly, we need to use 'device=' rather than 'root=', as the latter is purely for ybin, to define where the yaboot binary goes. Secondly, we need to respect global and option-specific device= parameters. To do this, we keep all boot_image and initrd strings in the state, and create the actual resources in yaboot_finish. Add a test for all override cases, and fix the incorrect boot= parsing in the rh8 test. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/yaboot: Allow all image options to be overridden by global optionsJeremy Kerr2013-08-071-29/+73
| | | | | | | | | | All of the image options should be overridable by global options. Instead of building the boot_args during yaboot_process_pair, we add discovered data into the state struct, then create the boot args from this data during yaboot_finish Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: fix segfault on failed boot image loadJeremy Kerr2013-08-011-2/+3
| | | | | | | | | | If the boot image fails to load, we end up calling talloc_free on an unitialised are of stack (boot_task.local_initrd). Move the initialisers a little earlier, so we always NULL pointers before potentially freeing. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* parser/yaboot: Fix check for image presenceJeremy Kerr2013-07-311-1/+2
| | | | | | | | | | In the cleanup of yaboot option state, 3fb8fb6fb, we change from checking opt->boot_image to opt, to indicate that we're parsing an image section. We missed one check, which is causing a segfault due to the null opt. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Hookup --no-autoboot to configGeoff Levand2013-07-231-0/+3
| | | | | | | Add new routine config_set_autoboot(), and use it to set the --no-autoboot option. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Add --no-autoboot optionGeoff Levand2013-07-231-3/+10
| | | | | | | Add the command line option --no-autoboot to pb-discover and update the pb-discover manpage. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Log autoboot timeoutGeoff Levand2013-07-231-3/+5
| | | | Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Rename default_enabledGeoff Levand2013-07-231-4/+4
| | | | | | | Rename default_enabled to autoboot_enabled for consistency with pb-config. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Add grub.cfg path for openSUSEGeoff Levand2013-07-231-0/+1
| | | | Signed-off-by: Geoff Levand <geoff@infradead.org>
* automake: Add $(EXEEXT) to .ro objectsGeoff Levand2013-07-231-1/+1
| | | | Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover: Don't free URL in load_urlJeremy Kerr2013-07-231-1/+0
| | | | | | | | | | | | | Previously, load_url took a char * argument, from which it parsed a newly allocated URL, and freed the URL before returning. Commit 5be946c changed load_url (then load_file) to accept a parsed URL instead of a char *, but didn't remove the free. Any URLs passed to load_url are currently being unintionally free()ed. This change removes the invalid free. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/pxe: remove debug statementJeremy Kerr2013-07-231-1/+0
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/pxe: Handle initrdsJeremy Kerr2013-07-231-1/+25
| | | | | | | We may see initrds specified on the kernel argument line, or as their own configuration directive. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/pxe-parser: All options are name <space> value pairsJeremy Kerr2013-07-041-0/+3
| | | | | | Abort the pair parse if we don't have both a name and a value. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/device-handler: hook up autoboot_enabled config varJeremy Kerr2013-07-021-1/+2
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Fix automake warningsGeoff Levand2013-06-301-4/+4
| | | | | | | | | | | | | Change the Makfile.am relocatable output files from automake _LIBRARIES to automake _PROGRAMS. Also, change the output file name extension from .o to .ro to better show these are relocatable files. Fixes automake warnings like these: discover/Makefile.am: `libparser.o' is not a standard library name discover/Makefile.am: did you mean `libparser.a'? Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover/boot: Allow boot hooks to alter boot dataJeremy Kerr2013-06-241-11/+86
| | | | | | | By exiting with status == 2, boot hooks can update boot data by printing name=value to stdout. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event: Fix incorrect calculation of param data lengthJeremy Kerr2013-06-241-12/+16
| | | | | | | | We're not accounting for the action in the event header (only the device string) when we pass the length of param data to event_parse_params. This means we walk past the end of the event data while parsing params. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/boot: Add boot hooksJeremy Kerr2013-06-241-0/+63
| | | | | | | | Add a method of running pre-boot hooks. Executable files in /etc/petitboot/boot.d/ are run (in order) before we start the boot process. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/boot: Put all boot params into a struct boot_taskJeremy Kerr2013-06-241-38/+43
| | | | | | This keeps all the boot-specific details in one place. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* Add pkgsysconfdirJeremy Kerr2013-06-241-0/+3
| | | | | | We'll need a sysconf dir to store the boot hooks. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* Add initial dtb supportGeoff Levand2013-06-244-13/+67
| | | | | | | Updates & fixes by Jeremy Kerr <jk@ozlabs.org>. Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: bring network interfaces down in network_shutdownJeremy Kerr2013-06-241-3/+24
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add network handlingJeremy Kerr2013-06-244-0/+445
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* lib: Add pb-config moduleJeremy Kerr2013-06-241-0/+4
| | | | | | | | | Add a library for (name, value) configuration. Different storage backends are allowed (although currently hardcoded to powerpc nvram), and config is read-only at present. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add logging for default boot option behaviourJeremy Kerr2013-06-241-0/+6
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event: Allow empty param valuesJeremy Kerr2013-06-241-9/+11
| | | | | | | | | | Useful for specifying defaults: pb-event add@defaults name='Netboot' \ image=http://192.168.0.1/vmlinuz \ default Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add "cancel default boot" messagesJeremy Kerr2013-06-243-9/+49
| | | | | | | Allow the default boot process to be cancelled, via a message with action PB_PROTOCOL_ACTION_CANCEL_DEFAULT. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/event: Allow user events to be defaultsJeremy Kerr2013-06-241-0/+3
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Add countdown before default bootJeremy Kerr2013-06-241-3/+31
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: implement default bootingJeremy Kerr2013-06-243-13/+51
| | | | | | | When we see a boot option with is_default set, store it in the handler and register a timeout waiter. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/boot: Allow null boot commandJeremy Kerr2013-06-241-3/+3
| | | | | | If we're booting from a default option, we don't have a boot command. Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* lib/waiter: Add timeout waitersJeremy Kerr2013-06-243-5/+7
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover/grub2: Add default option parsingJeremy Kerr2013-06-241-1/+39
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: Send options to client in orderGeoff Levand2013-05-211-2/+2
| | | | | | | | Send the boot options to the client in the order discovered. This change is in follow up to inverting the order that the server saves the options internally. Signed-off-by: Geoff Levand <geoff@infradead.org>
* discover/grub2: remove uuid log messageJeremy Kerr2013-05-211-1/+0
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
* discover: fix error handling from failed client writesJeremy Kerr2013-05-211-4/+9
| | | | Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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