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scripts: lvm2-activation-generator fix lvmconfig call

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Fix a scenario where global/event_activation setting is not found. In
this case we need to take default value just like lvm tools do when
executed. So use "lvmconfig --type full".

Also, if we fail to execute lvmconfig for whatever reason, fallback to
generating the activation units as failsafe action.

Reported by: Bastian Blank <waldi debian org>
This commit is contained in:
Peter Rajnoha 2019-01-04 11:11:13 +01:00 committed by Zdenek Kabelac
parent bc40391b7d
commit 6298eaeca5
3 changed files with 13 additions and 6 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.03.02 -
===================================
Fix generator quering lvmconfig unpresent config option.
Fix memleak on bcache error path code.
Fix missing unlock on lvm2 dmeventd plugin error path initialization.
Improve Makefile dependency tracking.

3
scripts/generator-internals.c
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@ -186,7 +186,8 @@ static bool _parse_line(const char *line, struct config *cfg)
static bool _get_config(struct config *cfg, const char *lvmconfig_path)
{
static const char *_argv[] = {
"lvmconfig", LVM_CONF_EVENT_ACTIVATION, LVM_CONF_USE_LVMPOLLD, NULL
"lvmconfig", "--type", "full",
LVM_CONF_EVENT_ACTIVATION, LVM_CONF_USE_LVMPOLLD, NULL
};
bool r = true;

11
scripts/lvm2_activation_generator_systemd_red_hat.c
View File

@ -194,12 +194,17 @@ static bool _run(int argc, const char **argv)
if (!_parse_command_line(&gen, argc, argv))
return false;
if (!_get_config(&gen.cfg, LVMCONFIG_PATH))
return false;
if (_get_config(&gen.cfg, LVMCONFIG_PATH)) {
if (gen.cfg.event_activation)
// If event_activation=1, pvscan --cache -aay does activation.
return true;
}
/*
* Create the activation units if:
* - _get_config succeeded and event_activation=0
* - _get_config failed, then this is a failsafe fallback
*/
/* mark lvm2-activation.*.service as world-accessible */
old_mask = umask(0022);