DaanDeMeyer
995c507a6f
When setting SYSTEMD_LOG_LEVEL=debug and debugging a tool that happens to do NSS lookups, the resulting logs from varlink are obnoxiously verbose. Let's parse a separate log level environment variable in NSS to allow overriding the log level for NSS specifically so these noisy logs can be silenced.
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <pthread.h>
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#include <stdlib.h>
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#include "sd-json.h"
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#include "assert-util.h"
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#include "log.h"
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#include "log-assert-critical.h"
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#include "nss-util.h"
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sd_json_dispatch_flags_t nss_json_dispatch_flags = SD_JSON_ALLOW_EXTENSIONS;
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static void log_setup_nss_internal(void) {
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int r;
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log_set_assert_return_is_critical_from_env();
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log_parse_environment_variables();
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const char *e = getenv("SYSTEMD_NSS_LOG_LEVEL");
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if (e) {
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/* NSS plugins are linked statically to all of our own libraries so this will only override
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* the log level for the NSS plugin, and not for the entire systemd binary, since each will
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* have their own log_level TLS variable. */
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r = log_set_max_level_from_string(e);
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if (r < 0)
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log_warning_errno(r, "Failed to parse NSS log level '%s', ignoring: %m", e);
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}
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if (DEBUG_LOGGING)
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nss_json_dispatch_flags = SD_JSON_LOG;
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}
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void log_setup_nss(void) {
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static pthread_once_t once = PTHREAD_ONCE_INIT;
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assert_se(pthread_once(&once, log_setup_nss_internal) == 0);
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}
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