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core: implement per unit journal rate limiting

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Add LogRateLimitIntervalSec= and LogRateLimitBurst= options for
services. If provided, these values get passed to the journald
client context, and those values are used in the rate limiting
function in the journal over the the journald.conf values.

Part of #10230
This commit is contained in:
Anita Zhang
2018-10-18 09:56:20 +02:00
committed by Lennart Poettering
parent 9fcdab9c87
commit 90fc172e19
17 changed files with 232 additions and 28 deletions
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src/core/dbus-execute.c
+8
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@@ -718,6 +718,8 @@ const sd_bus_vtable bus_exec_vtable[] = {
SD_BUS_PROPERTY("SyslogLevel", "i", property_get_syslog_level, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LogLevelMax", "i", bus_property_get_int, offsetof(ExecContext, log_level_max), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LogRateLimitIntervalUSec", "t", bus_property_get_usec, offsetof(ExecContext, log_rate_limit_interval_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LogRateLimitBurst", "u", bus_property_get_unsigned, offsetof(ExecContext, log_rate_limit_burst), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LogExtraFields", "aay", property_get_log_extra_fields, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("CapabilityBoundingSet", "t", NULL, offsetof(ExecContext, capability_bounding_set), SD_BUS_VTABLE_PROPERTY_CONST),
@@ -1067,6 +1069,12 @@ int bus_exec_context_set_transient_property(
if (streq(name, "LogLevelMax"))
return bus_set_transient_log_level(u, name, &c->log_level_max, message, flags, error);
if (streq(name, "LogRateLimitIntervalUSec"))
return bus_set_transient_usec(u, name, &c->log_rate_limit_interval_usec, message, flags, error);
if (streq(name, "LogRateLimitBurst"))
return bus_set_transient_unsigned(u, name, &c->log_rate_limit_burst, message, flags, error);
if (streq(name, "Personality"))
return bus_set_transient_personality(u, name, &c->personality, message, flags, error);