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/*
* Copyright (c) 2022 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <prom/prom.h>
static uword
unformat_stats_patterns (unformat_input_t *input, va_list *args)
{
u8 ***patterns = va_arg (*args, u8 ***);
u8 *pattern;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "%s", &pattern))
vec_add1 (*patterns, pattern);
else
return 0;
}
return 1;
}
static clib_error_t *
prom_patterns_command_fn (vlib_main_t *vm, unformat_input_t *input,
vlib_cli_command_t *cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u8 is_clear = 0, is_show = 0, **pattern = 0;
clib_error_t *error = 0;
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "show"))
is_show = 1;
else if (unformat (line_input, "clear"))
is_clear = 1;
else if (unformat (line_input, "add %U", unformat_stats_patterns,
&pattern))
{
prom_stat_patterns_add (pattern);
vec_free (pattern);
}
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, line_input);
break;
}
}
unformat_free (line_input);
if (error)
return error;
if (is_clear)
prom_stat_patterns_free ();
if (is_show)
{
u8 **patterns = prom_stat_patterns_get ();
vec_foreach (pattern, patterns)
vlib_cli_output (vm, " %v\n", *pattern);
}
return 0;
}
VLIB_CLI_COMMAND (prom_patterns_command, static) = {
.path = "prom patterns",
.short_help = "prom patterns [show] [clear] [add <patterns>...]",
.function = prom_patterns_command_fn,
};
static clib_error_t *
prom_command_fn (vlib_main_t *vm, unformat_input_t *input,
vlib_cli_command_t *cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u8 **patterns = 0, *stat_name_prefix = 0;
prom_main_t *pm = prom_get_main ();
clib_error_t *error = 0;
u8 is_enable = 0;
if (!unformat_user (input, unformat_line_input, line_input))
goto no_input;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "enable"))
is_enable = 1;
else if (unformat (line_input, "min-scrape-interval %f",
&pm->min_scrape_interval))
;
else if (unformat (line_input, "used-only"))
prom_report_used_only (1 /* used only */);
else if (unformat (line_input, "all-stats"))
prom_report_used_only (0 /* used only */);
else if (unformat (line_input, "stat-name-prefix %_%v%_",
&stat_name_prefix))
prom_stat_name_prefix_set (stat_name_prefix);
else if (unformat (line_input, "stat-patterns %U",
unformat_stats_patterns, &patterns))
prom_stat_patterns_set (patterns);
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, line_input);
break;
}
}
unformat_free (line_input);
if (error)
return error;
no_input:
if (is_enable && !pm->is_enabled)
prom_enable (vm);
return 0;
}
VLIB_CLI_COMMAND (prom_enable_command, static) = {
.path = "prom",
.short_help = "prom [enable] [min-scrape-interval <n>] [used-only] "
"[all-stats] [stat-name-prefix <prefix>] "
"[stat-patterns <patterns>...]",
.function = prom_command_fn,
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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