Merging upstream version 1.11.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 463 deletions

diff --git a/src/health_log.c b/src/health_log.c
deleted file mode 100644
index a44fbadb0..000000000
--- a/src/health_log.c
+++ /dev/null
@@ -1,463 +0,0 @@
-#define NETDATA_HEALTH_INTERNALS
-#include "common.h"
-
-// ----------------------------------------------------------------------------
-// health alarm log load/save
-// no need for locking - only one thread is reading / writing the alarms log
-
-inline int health_alarm_log_open(RRDHOST *host) {
-    if(host->health_log_fp)
-        fclose(host->health_log_fp);
-
-    host->health_log_fp = fopen(host->health_log_filename, "a");
-
-    if(host->health_log_fp) {
-        if (setvbuf(host->health_log_fp, NULL, _IOLBF, 0) != 0)
-            error("HEALTH [%s]: cannot set line buffering on health log file '%s'.", host->hostname, host->health_log_filename);
-        return 0;
-    }
-
-    error("HEALTH [%s]: cannot open health log file '%s'. Health data will be lost in case of netdata or server crash.", host->hostname, host->health_log_filename);
-    return -1;
-}
-
-inline void health_alarm_log_close(RRDHOST *host) {
-    if(host->health_log_fp) {
-        fclose(host->health_log_fp);
-        host->health_log_fp = NULL;
-    }
-}
-
-inline void health_log_rotate(RRDHOST *host) {
-    static size_t rotate_every = 0;
-
-    if(unlikely(rotate_every == 0)) {
-        rotate_every = (size_t)config_get_number(CONFIG_SECTION_HEALTH, "rotate log every lines", 2000);
-        if(rotate_every < 100) rotate_every = 100;
-    }
-
-    if(unlikely(host->health_log_entries_written > rotate_every)) {
-        health_alarm_log_close(host);
-
-        char old_filename[FILENAME_MAX + 1];
-        snprintfz(old_filename, FILENAME_MAX, "%s.old", host->health_log_filename);
-
-        if(unlink(old_filename) == -1 && errno != ENOENT)
-            error("HEALTH [%s]: cannot remove old alarms log file '%s'", host->hostname, old_filename);
-
-        if(link(host->health_log_filename, old_filename) == -1 && errno != ENOENT)
-            error("HEALTH [%s]: cannot move file '%s' to '%s'.", host->hostname, host->health_log_filename, old_filename);
-
-        if(unlink(host->health_log_filename) == -1 && errno != ENOENT)
-            error("HEALTH [%s]: cannot remove old alarms log file '%s'", host->hostname, host->health_log_filename);
-
-        // open it with truncate
-        host->health_log_fp = fopen(host->health_log_filename, "w");
-
-        if(host->health_log_fp)
-            fclose(host->health_log_fp);
-        else
-            error("HEALTH [%s]: cannot truncate health log '%s'", host->hostname, host->health_log_filename);
-
-        host->health_log_fp = NULL;
-
-        host->health_log_entries_written = 0;
-        health_alarm_log_open(host);
-    }
-}
-
-inline void health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) {
-    health_log_rotate(host);
-
-    if(likely(host->health_log_fp)) {
-        if(unlikely(fprintf(host->health_log_fp
-                            , "%c\t%s"
-                        "\t%08x\t%08x\t%08x\t%08x\t%08x"
-                        "\t%08x\t%08x\t%08x"
-                        "\t%08x\t%08x\t%08x"
-                        "\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s"
-                        "\t%d\t%d\t%d\t%d"
-                        "\t" CALCULATED_NUMBER_FORMAT_AUTO "\t" CALCULATED_NUMBER_FORMAT_AUTO
-                        "\n"
-                            , (ae->flags & HEALTH_ENTRY_FLAG_SAVED)?'U':'A'
-                            , host->hostname
-
-                            , ae->unique_id
-                            , ae->alarm_id
-                            , ae->alarm_event_id
-                            , ae->updated_by_id
-                            , ae->updates_id
-
-                            , (uint32_t)ae->when
-                            , (uint32_t)ae->duration
-                            , (uint32_t)ae->non_clear_duration
-                            , (uint32_t)ae->flags
-                            , (uint32_t)ae->exec_run_timestamp
-                            , (uint32_t)ae->delay_up_to_timestamp
-
-                            , (ae->name)?ae->name:""
-                            , (ae->chart)?ae->chart:""
-                            , (ae->family)?ae->family:""
-                            , (ae->exec)?ae->exec:""
-                            , (ae->recipient)?ae->recipient:""
-                            , (ae->source)?ae->source:""
-                            , (ae->units)?ae->units:""
-                            , (ae->info)?ae->info:""
-
-                            , ae->exec_code
-                            , ae->new_status
-                            , ae->old_status
-                            , ae->delay
-
-                            , ae->new_value
-                            , ae->old_value
-        ) < 0))
-            error("HEALTH [%s]: failed to save alarm log entry to '%s'. Health data may be lost in case of abnormal restart.", host->hostname, host->health_log_filename);
-        else {
-            ae->flags |= HEALTH_ENTRY_FLAG_SAVED;
-            host->health_log_entries_written++;
-        }
-    }
-}
-
-inline ssize_t health_alarm_log_read(RRDHOST *host, FILE *fp, const char *filename) {
-    errno = 0;
-
-    char *s, *buf = mallocz(65536 + 1);
-    size_t line = 0, len = 0;
-    ssize_t loaded = 0, updated = 0, errored = 0, duplicate = 0;
-
-    netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
-
-    while((s = fgets_trim_len(buf, 65536, fp, &len))) {
-        host->health_log_entries_written++;
-        line++;
-
-        int max_entries = 30, entries = 0;
-        char *pointers[max_entries];
-
-        pointers[entries++] = s++;
-        while(*s) {
-            if(unlikely(*s == '\t')) {
-                *s = '\0';
-                pointers[entries++] = ++s;
-                if(entries >= max_entries) {
-                    error("HEALTH [%s]: line %zu of file '%s' has more than %d entries. Ignoring excessive entries.", host->hostname, line, filename, max_entries);
-                    break;
-                }
-            }
-            else s++;
-        }
-
-        if(likely(*pointers[0] == 'U' || *pointers[0] == 'A')) {
-            ALARM_ENTRY *ae = NULL;
-
-            if(entries < 26) {
-                error("HEALTH [%s]: line %zu of file '%s' should have at least 26 entries, but it has %d. Ignoring it.", host->hostname, line, filename, entries);
-                errored++;
-                continue;
-            }
-
-            // check that we have valid ids
-            uint32_t unique_id = (uint32_t)strtoul(pointers[2], NULL, 16);
-            if(!unique_id) {
-                error("HEALTH [%s]: line %zu of file '%s' states alarm entry with invalid unique id %u (%s). Ignoring it.", host->hostname, line, filename, unique_id, pointers[2]);
-                errored++;
-                continue;
-            }
-
-            uint32_t alarm_id = (uint32_t)strtoul(pointers[3], NULL, 16);
-            if(!alarm_id) {
-                error("HEALTH [%s]: line %zu of file '%s' states alarm entry for invalid alarm id %u (%s). Ignoring it.", host->hostname, line, filename, alarm_id, pointers[3]);
-                errored++;
-                continue;
-            }
-
-            if(unlikely(*pointers[0] == 'A')) {
-                // make sure it is properly numbered
-                if(unlikely(host->health_log.alarms && unique_id < host->health_log.alarms->unique_id)) {
-                    error("HEALTH [%s]: line %zu of file '%s' has alarm log entry %u in wrong order. Ignoring it.", host->hostname, line, filename, unique_id);
-                    errored++;
-                    continue;
-                }
-
-                ae = callocz(1, sizeof(ALARM_ENTRY));
-            }
-            else if(unlikely(*pointers[0] == 'U')) {
-                // find the original
-                for(ae = host->health_log.alarms; ae; ae = ae->next) {
-                    if(unlikely(unique_id == ae->unique_id)) {
-                        if(unlikely(*pointers[0] == 'A')) {
-                            error("HEALTH [%s]: line %zu of file '%s' adds duplicate alarm log entry %u. Using the later."
-                                  , host->hostname, line, filename, unique_id);
-                            *pointers[0] = 'U';
-                            duplicate++;
-                        }
-                        break;
-                    }
-                    else if(unlikely(unique_id > ae->unique_id)) {
-                        // no need to continue
-                        // the linked list is sorted
-                        ae = NULL;
-                        break;
-                    }
-                }
-            }
-
-            // if not found, skip this line
-            if(unlikely(!ae)) {
-                // error("HEALTH [%s]: line %zu of file '%s' updates alarm log entry with unique id %u, but it is not found.", host->hostname, line, filename, unique_id);
-                continue;
-            }
-
-            // check for a possible host missmatch
-            //if(strcmp(pointers[1], host->hostname))
-            //    error("HEALTH [%s]: line %zu of file '%s' provides an alarm for host '%s' but this is named '%s'.", host->hostname, line, filename, pointers[1], host->hostname);
-
-            ae->unique_id               = unique_id;
-            ae->alarm_id                = alarm_id;
-            ae->alarm_event_id          = (uint32_t)strtoul(pointers[4], NULL, 16);
-            ae->updated_by_id           = (uint32_t)strtoul(pointers[5], NULL, 16);
-            ae->updates_id              = (uint32_t)strtoul(pointers[6], NULL, 16);
-
-            ae->when                    = (uint32_t)strtoul(pointers[7], NULL, 16);
-            ae->duration                = (uint32_t)strtoul(pointers[8], NULL, 16);
-            ae->non_clear_duration      = (uint32_t)strtoul(pointers[9], NULL, 16);
-
-            ae->flags                   = (uint32_t)strtoul(pointers[10], NULL, 16);
-            ae->flags |= HEALTH_ENTRY_FLAG_SAVED;
-
-            ae->exec_run_timestamp      = (uint32_t)strtoul(pointers[11], NULL, 16);
-            ae->delay_up_to_timestamp   = (uint32_t)strtoul(pointers[12], NULL, 16);
-
-            freez(ae->name);
-            ae->name = strdupz(pointers[13]);
-            ae->hash_name = simple_hash(ae->name);
-
-            freez(ae->chart);
-            ae->chart = strdupz(pointers[14]);
-            ae->hash_chart = simple_hash(ae->chart);
-
-            freez(ae->family);
-            ae->family = strdupz(pointers[15]);
-
-            freez(ae->exec);
-            ae->exec = strdupz(pointers[16]);
-            if(!*ae->exec) { freez(ae->exec); ae->exec = NULL; }
-
-            freez(ae->recipient);
-            ae->recipient = strdupz(pointers[17]);
-            if(!*ae->recipient) { freez(ae->recipient); ae->recipient = NULL; }
-
-            freez(ae->source);
-            ae->source = strdupz(pointers[18]);
-            if(!*ae->source) { freez(ae->source); ae->source = NULL; }
-
-            freez(ae->units);
-            ae->units = strdupz(pointers[19]);
-            if(!*ae->units) { freez(ae->units); ae->units = NULL; }
-
-            freez(ae->info);
-            ae->info = strdupz(pointers[20]);
-            if(!*ae->info) { freez(ae->info); ae->info = NULL; }
-
-            ae->exec_code   = str2i(pointers[21]);
-            ae->new_status  = str2i(pointers[22]);
-            ae->old_status  = str2i(pointers[23]);
-            ae->delay       = str2i(pointers[24]);
-
-            ae->new_value   = str2l(pointers[25]);
-            ae->old_value   = str2l(pointers[26]);
-
-            char value_string[100 + 1];
-            freez(ae->old_value_string);
-            freez(ae->new_value_string);
-            ae->old_value_string = strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae->units, -1));
-            ae->new_value_string = strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae->units, -1));
-
-            // add it to host if not already there
-            if(unlikely(*pointers[0] == 'A')) {
-                ae->next = host->health_log.alarms;
-                host->health_log.alarms = ae;
-                loaded++;
-            }
-            else updated++;
-
-            if(unlikely(ae->unique_id > host->health_max_unique_id))
-                host->health_max_unique_id = ae->unique_id;
-
-            if(unlikely(ae->alarm_id >= host->health_max_alarm_id))
-                host->health_max_alarm_id = ae->alarm_id;
-        }
-        else {
-            error("HEALTH [%s]: line %zu of file '%s' is invalid (unrecognized entry type '%s').", host->hostname, line, filename, pointers[0]);
-            errored++;
-        }
-    }
-
-    netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
-    freez(buf);
-
-    if(!host->health_max_unique_id) host->health_max_unique_id = (uint32_t)now_realtime_sec();
-    if(!host->health_max_alarm_id)  host->health_max_alarm_id  = (uint32_t)now_realtime_sec();
-
-    host->health_log.next_log_id = host->health_max_unique_id + 1;
-    host->health_log.next_alarm_id = host->health_max_alarm_id + 1;
-
-    debug(D_HEALTH, "HEALTH [%s]: loaded file '%s' with %zd new alarm entries, updated %zd alarms, errors %zd entries, duplicate %zd", host->hostname, filename, loaded, updated, errored, duplicate);
-    return loaded;
-}
-
-inline void health_alarm_log_load(RRDHOST *host) {
-    health_alarm_log_close(host);
-
-    char filename[FILENAME_MAX + 1];
-    snprintfz(filename, FILENAME_MAX, "%s.old", host->health_log_filename);
-    FILE *fp = fopen(filename, "r");
-    if(!fp)
-        error("HEALTH [%s]: cannot open health file: %s", host->hostname, filename);
-    else {
-        health_alarm_log_read(host, fp, filename);
-        fclose(fp);
-    }
-
-    host->health_log_entries_written = 0;
-    fp = fopen(host->health_log_filename, "r");
-    if(!fp)
-        error("HEALTH [%s]: cannot open health file: %s", host->hostname, host->health_log_filename);
-    else {
-        health_alarm_log_read(host, fp, host->health_log_filename);
-        fclose(fp);
-    }
-
-    health_alarm_log_open(host);
-}
-
-
-// ----------------------------------------------------------------------------
-// health alarm log management
-
-inline void health_alarm_log(
-        RRDHOST *host,
-        uint32_t alarm_id,
-        uint32_t alarm_event_id,
-        time_t when,
-        const char *name,
-        const char *chart,
-        const char *family,
-        const char *exec,
-        const char *recipient,
-        time_t duration,
-        calculated_number old_value,
-        calculated_number new_value,
-        RRDCALC_STATUS old_status,
-        RRDCALC_STATUS new_status,
-        const char *source,
-        const char *units,
-        const char *info,
-        int delay,
-        uint32_t flags
-) {
-    debug(D_HEALTH, "Health adding alarm log entry with id: %u", host->health_log.next_log_id);
-
-    ALARM_ENTRY *ae = callocz(1, sizeof(ALARM_ENTRY));
-    ae->name = strdupz(name);
-    ae->hash_name = simple_hash(ae->name);
-
-    if(chart) {
-        ae->chart = strdupz(chart);
-        ae->hash_chart = simple_hash(ae->chart);
-    }
-
-    if(family)
-        ae->family = strdupz(family);
-
-    if(exec) ae->exec = strdupz(exec);
-    if(recipient) ae->recipient = strdupz(recipient);
-    if(source) ae->source = strdupz(source);
-    if(units) ae->units = strdupz(units);
-    if(info) ae->info = strdupz(info);
-
-    ae->unique_id = host->health_log.next_log_id++;
-    ae->alarm_id = alarm_id;
-    ae->alarm_event_id = alarm_event_id;
-    ae->when = when;
-    ae->old_value = old_value;
-    ae->new_value = new_value;
-
-    char value_string[100 + 1];
-    ae->old_value_string = strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae->units, -1));
-    ae->new_value_string = strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae->units, -1));
-
-    ae->old_status = old_status;
-    ae->new_status = new_status;
-    ae->duration = duration;
-    ae->delay = delay;
-    ae->delay_up_to_timestamp = when + delay;
-
-    ae->flags |= flags;
-
-    if(ae->old_status == RRDCALC_STATUS_WARNING || ae->old_status == RRDCALC_STATUS_CRITICAL)
-        ae->non_clear_duration += ae->duration;
-
-    // link it
-    netdata_rwlock_wrlock(&host->health_log.alarm_log_rwlock);
-    ae->next = host->health_log.alarms;
-    host->health_log.alarms = ae;
-    host->health_log.count++;
-    netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
-    // match previous alarms
-    netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock);
-    ALARM_ENTRY *t;
-    for(t = host->health_log.alarms ; t ; t = t->next) {
-        if(t != ae && t->alarm_id == ae->alarm_id) {
-            if(!(t->flags & HEALTH_ENTRY_FLAG_UPDATED) && !t->updated_by_id) {
-                t->flags |= HEALTH_ENTRY_FLAG_UPDATED;
-                t->updated_by_id = ae->unique_id;
-                ae->updates_id = t->unique_id;
-
-                if((t->new_status == RRDCALC_STATUS_WARNING || t->new_status == RRDCALC_STATUS_CRITICAL) &&
-                   (t->old_status == RRDCALC_STATUS_WARNING || t->old_status == RRDCALC_STATUS_CRITICAL))
-                    ae->non_clear_duration += t->non_clear_duration;
-
-                health_alarm_log_save(host, t);
-            }
-
-            // no need to continue
-            break;
-        }
-    }
-    netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-
-    health_alarm_log_save(host, ae);
-}
-
-inline void health_alarm_log_free_one_nochecks_nounlink(ALARM_ENTRY *ae) {
-    freez(ae->name);
-    freez(ae->chart);
-    freez(ae->family);
-    freez(ae->exec);
-    freez(ae->recipient);
-    freez(ae->source);
-    freez(ae->units);
-    freez(ae->info);
-    freez(ae->old_value_string);
-    freez(ae->new_value_string);
-    freez(ae);
-}
-
-inline void health_alarm_log_free(RRDHOST *host) {
-    rrdhost_check_wrlock(host);
-
-    netdata_rwlock_wrlock(&host->health_log.alarm_log_rwlock);
-
-    ALARM_ENTRY *ae;
-    while((ae = host->health_log.alarms)) {
-        host->health_log.alarms = ae->next;
-        health_alarm_log_free_one_nochecks_nounlink(ae);
-    }
-
-    netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
-}