Dietmar Maurer [Fri, 2 Oct 2015 08:37:50 +0000 (10:37 +0200)]
CLIHandler: make read_password an optional class method
And correctly hide password option when generation man pages.
I also define a new method run_cli_handler() meant to replace
the old run_cli() code, using named parameters.
It's a special case in some output functions as it needs
to use format_size(), so it'll be its own type and handled
in the upcoming print_property_string() function.
Now that generate_typetext doesn't need to be accessed
anymore it made sense to move it to PodParser.pm as this is
the only place that uses it now.
PodParser now needs access to JSONSchema's $format_list, so
a JSONSchema::get_format was added.
JSONSchema::generate_typetext: raw typetext support
Instead of a format_description which ends up in the
documentation as 'key=<$desc>', a typetext can now be used
for an as-is string. (Eg. for when the key isn't required,
like for volumes in mountpoints, typetext can be set to
[volume=]volume)
Helper to generate schema-based typetext properties for
comma separated list configuration strings (like -net0 and -ip)
using a 'format_description' schema property.
Passing an array of arrays to run_command will cause each
array to be treated like a command piped to the following
command. Each argument is shell-quoted unless its passed by
reference.
Perl by default interprets + as a parameter prefix, which
means commands like `pct resize 103 rootfs +1G` error with
'Unknown option: 1g', we don't want that.
added 'extra-args' standard option
added 'extra-args' handling to PVE::JSONSchema::get_options
untainting 'extra-args' separately in RESTHandler::handle
We use Net::Ping twice in pve-storage (once for ISCSIPlugin
and once in GlusterfsPlugin, both with the 'tcp' variant.),
but Net::Ping doesn't support IPv6.
The following situations could lead to the 'unknown error':
1) As commented, when the alarm triggered after the first
signal handler was installed and before the new alarm was
installed. In this case the $signalcount was increased,
and worse: the original signal handler was never called.
2) When $code died, since the call itself wasn't in an eval
block, we'd leave the eval block containing the inner alarm
signal handler. Then there's a time window from leaving the
signal block (and with that restoring the first installed
only-counting signal-handler) and reaching the code to
restore the previous alarm where the counting alarm handler
could get triggered by our own alarm set before running
$code. In this case at least the the old alarm would be
restored, but we'd still trigger the 'unknown error'.
The new code starts off by suspending the original alarm
before installing any signal handler, then installing the
timeout handler inside the first eval block. The $code is
then run inside another eval block to make sure we reach the
alarm(0) statement before restoring the old signal handler
and alarm timeout.
Added a generic function to split a host+port string to the
host and port part supporting the two most common ipv6
notations beside domains and ipv4: with brackets for the
address or a dot as port separator.
improve parse_config in JSONSchema and SectionConfig
The old code used string substitution for every line of the
input string, while perl can also iterate over all matches
via the /g re modifier, and can turn ^ and $ to act as
beginning/end of line via the /m modifier.
Effectively allowing a "match over all lines" via a simple
while ($data =~ /^.*$/gm);
The situation is a little different in SectionConfig because
there's a nested loop invovled which doesn't work with /g.
For this there are two options and I chose the safer one by
simply doing a split on newlines first.
The alternative would be to open the data as a
filehandle-to-string and use <$fh> to read lines, however
I'd have to throw in an eval{} to be sure to close the
handle afterwards.
/etc/network/interfaces: deal with OVS allow- lines
* __read_etc_interfaces:
Delete OVS ports from "allow-$OVS_BRIDGE" option lines in
order to prevent them from being duplicated or kept after
removing the port from the bridge.
* __write_etc_interfaces:
Deleting unused OVSPorts has the side effect of them not
being written out at all. If, however, they are
physical interfaces they'll reappear the next time the
configuration is read, because they're added from
/proc/net/dev.
Fix: if the deleted interface matches the same condition as
in read_etc_interfaces, readd it with the standard options:
{exists => 1, method => manual }
This is a purely aesthetical change in order to make sure a
write()->read()->write() chain doesn't produce two
different files each write().
read_etc_network_interfaces now opens all /proc files and
passes them as filehandles to the actual implementation
which is now is __read_etc_network_interfaces.
Similarly write_etc_network_interfaces now prints the
content string returned by the implementation now named
__write_etc_network_interfaces.
This way a testsuite can use the __* variants directly to
test the parser, passing its own versions of the /proc
files.
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