[PATCH v2 3/5] logging: add configuration for future log cleaner

We want to specify the folder to clean and how much time can a log chain live. Signed-off-by: Oleg Vasilev <oleg.vasilev(a)virtuozzo.com&gt; --- src/logging/log_daemon_config.c | 9 +++++++++ src/logging/log_daemon_config.h | 3 +++ src/logging/test_virtlogd.aug.in | 2 ++ src/logging/virtlogd.aug | 2 ++ src/logging/virtlogd.conf | 14 ++++++++++++++ 5 files changed, 30 insertions(+) diff --git a/src/logging/log_daemon_config.c b/src/logging/log_daemon_config.c index 4436745488..248bd927d3 100644 --- a/src/logging/log_daemon_config.c +++ b/src/logging/log_daemon_config.c @@ -28,6 +28,7 @@ #include "virutil.h" #define VIR_FROM_THIS VIR_FROM_CONF +#define DEFAULT_LOG_ROOT LOCALSTATEDIR "/log/libvirt/" VIR_LOG_INIT("logging.log_daemon_config"); @@ -60,6 +61,7 @@ virLogDaemonConfigNew(bool privileged G_GNUC_UNUSED) data->admin_max_clients = 5000; data->max_size = 1024 * 1024 * 2; data->max_backups = 3; + data->max_age_days = 0; return data; } @@ -72,6 +74,7 @@ virLogDaemonConfigFree(virLogDaemonConfig *data) g_free(data->log_filters); g_free(data->log_outputs); + g_free(data->log_root); g_free(data); } @@ -94,6 +97,12 @@ virLogDaemonConfigLoadOptions(virLogDaemonConfig *data, return -1; if (virConfGetValueSizeT(conf, "max_backups", &data->max_backups) < 0) return -1; + if (virConfGetValueSizeT(conf, "max_age_days", &data->max_age_days) < 0) + return -1; + if (virConfGetValueString(conf, "log_root", &data->log_root) < 0) + return -1; + if (!data->log_root) + data->log_root = g_strdup(DEFAULT_LOG_ROOT); return 0; } diff --git a/src/logging/log_daemon_config.h b/src/logging/log_daemon_config.h index 2ab0f67c96..43922feedf 100644 --- a/src/logging/log_daemon_config.h +++ b/src/logging/log_daemon_config.h @@ -33,6 +33,9 @@ struct _virLogDaemonConfig { size_t max_backups; size_t max_size; + + char *log_root; + size_t max_age_days; }; diff --git a/src/logging/test_virtlogd.aug.in b/src/logging/test_virtlogd.aug.in index cd5b0d91f8..8dfad39506 100644 --- a/src/logging/test_virtlogd.aug.in +++ b/src/logging/test_virtlogd.aug.in @@ -9,3 +9,5 @@ module Test_virtlogd = { "admin_max_clients" = "5" } { "max_size" = "2097152" } { "max_backups" = "3" } + { "max_age_days" = "0" } + { "log_root" = "/var/log/libvirt" } diff --git a/src/logging/virtlogd.aug b/src/logging/virtlogd.aug index 0f1b290c72..bdf61dea6e 100644 --- a/src/logging/virtlogd.aug +++ b/src/logging/virtlogd.aug @@ -31,6 +31,8 @@ module Virtlogd = | int_entry "admin_max_clients" | int_entry "max_size" | int_entry "max_backups" + | int_entry "max_age_days" + | str_entry "log_root" (* Each entry in the config is one of the following three ... *) let entry = logging_entry diff --git a/src/logging/virtlogd.conf b/src/logging/virtlogd.conf index c53a1112bd..5214e96121 100644 --- a/src/logging/virtlogd.conf +++ b/src/logging/virtlogd.conf @@ -101,3 +101,17 @@ # Maximum number of backup files to keep. Defaults to 3, # not including the primary active file #max_backups = 3 + +# Maximum age for log files to live after the last modification. +# Defaults to 0, which means "forever". +# +# WARNING: since virtlogd has no way to differentiate which files it used to +# manage, the garbage collection mechanism will collect ALL files, once its age +# reach max_age_days. Use only if you know what you mean. +#max_age_days = 0 + +# Root of all logs managed by virtlogd. Used to GC logs from obsolete machines. +# +# WARNING: all files under this location potentially can be GC-ed. See the +# warning for max_age_days. +#log_root = "/var/log/libvirt" -- 2.38.1