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tools: Fix overriding of current_settings.

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Settings specified in other command line args take precedence over
profiles and --config, which takes precedence over settings in actual
config files.

Since commit 1e2420bca8 ('commands: new
method for defining commands') commands like this:
  lvchange --config 'global/test=1' -ay vg
have been printing the 'TEST MODE' message, but nevertheless making
real changes.
This commit is contained in:
Alasdair G Kergon 2017-03-02 16:41:41 +00:00
parent 8df3f300ba
commit 70c1fa3764
1 changed files with 35 additions and 14 deletions
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49
tools/lvmcmdline.c
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@ -2018,7 +2018,12 @@ int version(struct cmd_context *cmd __attribute__((unused)),
return ECMD_PROCESSED;
}
static void _get_output_settings(struct cmd_context *cmd)
static void _reset_current_settings_to_default(struct cmd_context *cmd)
{
cmd->current_settings = cmd->default_settings;
}
static void _get_current_output_settings_from_args(struct cmd_context *cmd)
{
if (arg_is_set(cmd, debug_ARG))
cmd->current_settings.debug = _LOG_FATAL + (arg_count(cmd, debug_ARG) - 1);
@ -2033,7 +2038,7 @@ static void _get_output_settings(struct cmd_context *cmd)
}
}
static void _apply_output_settings(struct cmd_context *cmd)
static void _apply_current_output_settings(struct cmd_context *cmd)
{
init_debug(cmd->current_settings.debug);
init_debug_classes_logged(cmd->default_settings.debug_classes);
@ -2041,10 +2046,12 @@ static void _apply_output_settings(struct cmd_context *cmd)
init_silent(cmd->current_settings.silent);
}
static int _get_settings(struct cmd_context *cmd)
static int _get_current_settings(struct cmd_context *cmd)
{
const char *activation_mode;
_get_current_output_settings_from_args(cmd);
if (arg_is_set(cmd, test_ARG))
cmd->current_settings.test = arg_is_set(cmd, test_ARG);
@ -2217,8 +2224,10 @@ int help(struct cmd_context *cmd __attribute__((unused)), int argc, char **argv)
return ret;
}
static void _apply_settings(struct cmd_context *cmd)
static void _apply_current_settings(struct cmd_context *cmd)
{
_apply_current_output_settings(cmd);
init_test(cmd->current_settings.test);
init_full_scan_done(0);
init_mirror_in_sync(0);
@ -2542,13 +2551,12 @@ int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
}
/*
* log_debug() can be enabled now that we know the settings
* from the command. Previous calls to log_debug() will
* do nothing.
* Now we have the command line args, set up any known output logging
* options immediately.
*/
cmd->current_settings = cmd->default_settings;
_get_output_settings(cmd);
_apply_output_settings(cmd);
_reset_current_settings_to_default(cmd);
_get_current_output_settings_from_args(cmd);
_apply_current_output_settings(cmd);
log_debug("Parsing: %s", cmd->cmd_line);
@ -2609,9 +2617,17 @@ int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
if (arg_is_set(cmd, readonly_ARG))
cmd->metadata_read_only = 1;
if ((ret = _get_settings(cmd)))
/*
* Now that all configs, profiles and command lines args are available,
* freshly calculate and apply all settings. Specific command line
* options take precedence over config files (which include --config as
* that is treated like a config file).
*/
_reset_current_settings_to_default(cmd);
if ((ret = _get_current_settings(cmd)))
goto_out;
_apply_settings(cmd);
_apply_current_settings(cmd);
if (cmd->degraded_activation)
log_debug("DEGRADED MODE. Incomplete RAID LVs will be processed.");
@ -2762,8 +2778,13 @@ int lvm_run_command(struct cmd_context *cmd, int argc, char **argv)
log_debug("Completed: %s", cmd->cmd_line);
cmd->current_settings = cmd->default_settings;
_apply_settings(cmd);
/*
* Reset all settings back to the persistent defaults that
* ignore everything supplied on the command line of the
* completed command.
*/
_reset_current_settings_to_default(cmd);
_apply_current_settings(cmd);
/*
* free off any memory the command used.