Udev may change the name of network interfaces if persistent interface
naming is used. It is important to recognise this since udev may re-use
the old name for a different interface.
If we receive an RTM_NEWLINK message for an existing interface, check if
the name has been updated.
Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
All current *_post() methods in ui/ncurses call redrawwin() and
wrefresh() together. wrefresh() updates any lines on the screen that
have been marked as changed or invalid. However redrawwin() marks the
entire screen as invalid unconditionally. We can reduce the amount of
data written to the screen by avoiding calls to redrawwin().
Screen transitions are the primary use case of redrawwin(), where the
whole screen must be invalidated to avoid stale data remaining on
screen. All other 'in-screen' updates such as changes to widgets or
changing focus do not require a call to redrawwin(). The most noticeable
performance improvement is in nc-menu, which makes an unnecssary call to
redrawwin() after every addition to the boot option menu.
eg. The number of bytes written to STDOUT in the main menu:
# Boot options | Before | After
--------------------------------
8 | 5488 | 1149
133 | 422454 | 4652
Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
A boot option requires an image path at minimum. If an option is
created without an image, trying to edit the resulting user item causes
a segfault. Prevent the user from creating a boot option without at
least an image path.
Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
Jeremy Kerr [Thu, 11 Dec 2014 08:38:21 +0000 (16:38 +0800)]
discover: Integrate ipmi bootdev settings into the priority system
Currently, we expose the boot device priorities through an array in
struct config, which will either be the default (network -> disk), or a
single device type specified by the IPMI code.
Rather than hide the implementation details in this array, we'd like to
expose the details of the machine configuration instead. This allows
user visibility of the real boot configuration (for example, if an IPMI
boot preference is set).
This change removes the priority array, and replaces it with the
ipmi_bootdev data (and a persistent flag). We update the
default-conflict-resolution code to reflect the priorities between IPMI
and UUID preferences.
Jeremy Kerr [Tue, 2 Dec 2014 07:04:38 +0000 (15:04 +0800)]
discover/powerpc: Separate ipmi bootdev handling into separate functions
We'd like to add a new backend to the bootdev storage, so move the
common bootdev-handling code into separate functions, moving
ipmi_bootdev_is_valid to ipmi.c.
Jeremy Kerr [Thu, 11 Dec 2014 01:42:58 +0000 (09:42 +0800)]
discover/grub2: Allow unset and invalid defaults
If the default environment variable is unset or invalid (i.e.,
references a non-existent boot option), then GRUB2 will fallback to the
first boot option present. This is preventing petitboot from autobooting
where no default is explicitly set, or is stale.
This change adds this fallback behaviour to petitboot. Because we don't
know if the first option will be a default at parse time (as no other
options matched the default env var), we need to keep options in a list,
and register them with the discover server once the parse is complete.
discover/pxe: Format IPAPPEND mac addresses correctly
The SYSAPPEND/IPAPPEND option 2 in PXE configs requires
the MAC address of the booting interface to be appended
to the boot options. Previously we formatted this as
"BOOTIF=01:02:03:04:05:06",
but syslinux/pxelinux implementation use this format:
"BOOTIF=01-01-02-03-04-05-06",
where the leading '01' represents the hardware type.
Jeremy Kerr [Mon, 1 Dec 2014 03:47:16 +0000 (11:47 +0800)]
discover/grub2: improve handling of word & delimiter tokens
Currently, the delimiter token handling is a little fragile: we try to
ignore non-inter-word delimiters in the lexer with a selective set of
regexes on the possible delimiter characters.
This means we don't need to handle potential delimiters in every grammar
rule, but there are other situations (not regex-able) where we may see
delimters, and this will cause a parse error.
Instead of relying on the regex behaviour, we have an 'inter_word' flag,
which is set when we see the first word token, and cleared when we see
an end-of-line token. We only emit TOKEN_DELIM when this flag is set.
This means that we only get the delim tokens when they're required -
when we're looking for word separators (becuase WORD DELIM WORD is
distinct from WORD WORD - eg "linux /vmlinux" and "x$var").
We add a few new tests for the "menuentry" and "if" syntax, with
different delimiter configurations.
Jeremy Kerr [Fri, 28 Nov 2014 03:42:06 +0000 (11:42 +0800)]
lib/fold: fix warning with -DDEBUG
When compiling the fold code with DEBUG defined, we get:
../lib/fold/fold.c: In function 'fold_text':
../lib/fold/fold.c:37:3: error: comparison of unsigned expression >= 0 is always true [-Werror=type-limits]
assert(bytes >= 0);
^
We should be comparing with != (size_t)-1, not >= 0
Widgets running over the horizontal width of the pad will cause the
screen to blank. Expand the (non-viewable) size of the pad to prevent
blanking until shorter translations are available for nc-config.
Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
Jeremy Kerr [Thu, 18 Sep 2014 11:21:00 +0000 (19:21 +0800)]
ui/ncurses: Fix clearing a boot device UUID
Currently, we have a bug where we can't clear a boot device UUID, as we
only update config->boot_device if we're in AUTOBOOT_ONE state. This
means that the config UI can't be used to change out of "autoboot from a
single device" mode.
This sets the autoboot device unconditionally, allowing it to be
cleared.
ui/ncurses: Exit safe mode on configuration change
Selecting 'OK' in the configuration or language select screen will send
a configuration change to the server and exit safe mode.
Exit safe mode explicity and warn the user that they are about to exit
it.
Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Jeremy Kerr [Wed, 23 Jul 2014 06:03:42 +0000 (14:03 +0800)]
discover: Use platform code to read sysinfo type and identifier
This change uses the platform-specific code to read the system type and
identifier, rather than the pb-sysinfo utility. We introduce a new
callback for struct platform:
int (*get_sysinfo)(struct platform *, struct system_info *);
- which populates struct system_info with appropriate information.
This means that the system-specific code is kept in one place; rather
than having powerpc-specific device-tree-reading code in the pb-sysinfo
shell script.
Jeremy Kerr [Mon, 4 Aug 2014 01:46:00 +0000 (09:46 +0800)]
discover/grub2: distinguish parser.h from grub2/parser.h
'make distcheck' will do a 'make all' srcdir == objdir, then later a
'make check' sith srcdir != objdir. Since gcc's cpp always assumes that
a source file's directory is first in the include paths, we may see
discover/parser.h included when we wanted the generated
discover/grub2/parser.h.
This change renames the grub2 lexer and parser files, to work-around
this behaviour, and fix 'make distcheck'.
Jeremy Kerr [Fri, 1 Aug 2014 03:55:45 +0000 (11:55 +0800)]
autotools: Don't link udev into everything
By default, AC_CHECK_LIB will append to $LIBS, which is used for all
link stages. Intstead, we should popuate $UDEV_LIBS, and just use that
for the single pb-discover link stage.
Jeremy Kerr [Mon, 28 Jul 2014 08:20:04 +0000 (16:20 +0800)]
autotools: Use non-recursive make
With the current testing infrastructure, we don't have a strictly
hierarchical set of dependencies. This causes problems with a recursive
make, and means we have to hack around some of the dependencies.
This change generates a single, top-level makefile from all of the
Makefile.am fragments. We still need the po/ directory as a separate
SUBDIR, but all others can be converted to non-recursive.
Jeremy Kerr [Mon, 28 Jul 2014 04:09:14 +0000 (12:09 +0800)]
discover: Add setlocale calls in discover server
We want the discover server to respect the configured language, so we'll
need to add appropriate setlocale() calls. We use the config->lang
setting to use any previously-saved language.
Jeremy Kerr [Thu, 24 Jul 2014 07:13:24 +0000 (15:13 +0800)]
ui/ncurses: Move menu initialisation to cui code
We'll want to re-initialise the petitboot main menu (when the language
is changed), which we can't do if the items are populated entirely from
the main() function.
This change moves the menu initilisation to the cui code, we we can
re-init when necessary.
Jeremy Kerr [Tue, 24 Jun 2014 05:18:03 +0000 (13:18 +0800)]
ui/ncurses: Use a separate type for help text
Because it's initialised statically, help text won't be directly
gettext()-ed. Instead, we need to perform the gettext translation at
runtime, and pass untranslated strings into the help_screen code.
Instead of trusting callers to pass the untranslated strings though, we
encapsulate the help text data into struct help_text, so we know we have
an unstranslated string.
Jeremy Kerr [Fri, 18 Jul 2014 04:28:43 +0000 (12:28 +0800)]
ui/ncurses: allow tab/backtab to skip through a widget's fields
Since we may have a long list of devices on the configuration screen,
we'd like a way to jump between widgets. This change repeats the
PREV_FIELD/NEXT_FIELD driver request on these events.
Jeremy Kerr [Mon, 21 Jul 2014 07:51:58 +0000 (15:51 +0800)]
discover: allow separate lifetimes for network interfaces and discover devices
We want the network code's network interfaces to (potentially) persist
remove events. For example, discover devices may be removed by a user
event (this happens during a udhcpc deconfig). In this case, we want the
boot options to be removed, but the struct interface needs to stay
present.
This change adds network_(un)_register_device functions, to allow the
device handler to detach from and attach to interfaces.
Jeremy Kerr [Fri, 14 Mar 2014 02:53:04 +0000 (10:53 +0800)]
version.sh: Unify version generation
This change includes a few fixes to the version.sh script, in order to
unify the versions generated from git vs. dev- versions. We unify on a
simple YYYYMMDD format, and drop the time specifier (if you're relying
on time info, you probably have the git SHAs to lookup from instead).
We also clean up the date-generation code, by using printf's %T
formatter, on git's %ct time specification, rather than trying to
transform a %ci date.
Jeff Bailey [Fri, 14 Mar 2014 00:49:10 +0000 (08:49 +0800)]
autotools: Make petitboot autoreconfable
The standard way to regenerate the autotools bits is with 'autoreconf',
but that doesn't work with our custom bootstrap script. We only need the
bootstrap script to generate the version in configure.ac, which we can
easily do with m4_esyscmd_s instead.
This change allows autoreconfiguration with `autoreconf -f -i`.
Includes changes proposed by Yann E. Morin <yann.morin.1998@free.fr>,
and modifications from the original patch from
Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Jeff Bailey <jeffbailey@google.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Jeremy Kerr [Wed, 4 Jun 2014 07:45:53 +0000 (15:45 +0800)]
grub2: fix empty file handling
Currently, we have a bug when parsing zero-length files: we subtract one
from the length to exclude the trailing NUL (added by read_file), but a
zero-length file will result in a length of -1.
This change adds an explicit exit if we're attempting to parse an empty
file.
Jeremy Kerr [Wed, 4 Jun 2014 07:22:11 +0000 (15:22 +0800)]
discover/paths: Fix wget command with https and !DEBUG
When DEBUG is undefed, we run out of wget arguments for loading https
URLs. We need an extra element in the argv array to handle all possible
arguments.
projects / petitboot / log