bool is_active;
} virt_notif_thread_t;
-static const char *config_keys[] = {"Connection",
-
- "RefreshInterval",
-
- "Domain",
- "BlockDevice",
- "BlockDeviceFormat",
- "BlockDeviceFormatBasename",
- "InterfaceDevice",
- "IgnoreSelected",
-
- "HostnameFormat",
- "HostnameMetadataNS",
- "HostnameMetadataXPath",
- "InterfaceFormat",
-
- "PluginInstanceFormat",
-
- "Instances",
- "ExtraStats",
- "PersistentNotification",
-
- "ReportBlockDevices",
- "ReportNetworkInterfaces",
- NULL};
-
/* PersistentNotification is false by default */
static bool persistent_notification = false;
};
#endif /* HAVE_DOM_REASON */
-#define NR_CONFIG_KEYS ((sizeof config_keys / sizeof config_keys[0]) - 1)
#define NANOSEC_IN_SEC 1e9
#define GET_STATS(_f, _name, ...) \
sfree(dev_copy);
}
-static unsigned int parse_ex_stats_flags(char **exstats, int numexstats) {
+/**
+ * Function for parsing ExtraStats configuration options.
+ * Result of parsing is stored under 'out_parsed_flags' pointer.
+ *
+ * Returns 0 in case of success and 1 in case of parsing error
+ */
+static int parse_ex_stats_flags(unsigned int *out_parsed_flags, char **exstats,
+ int numexstats) {
unsigned int ex_stats_flags = ex_stats_none;
+
+ assert(out_parsed_flags != NULL);
+
for (int i = 0; i < numexstats; i++) {
for (int j = 0; ex_stats_table[j].name != NULL; j++) {
if (strcasecmp(exstats[i], ex_stats_table[j].name) == 0) {
if (ex_stats_table[j + 1].name == NULL) {
ERROR(PLUGIN_NAME " plugin: Unmatched ExtraStats option: %s",
exstats[i]);
+ return 1;
}
}
}
- return ex_stats_flags;
+
+ *out_parsed_flags = ex_stats_flags;
+ return 0;
}
static void domain_state_submit_notif(virDomainPtr dom, int state, int reason) {
return 0;
}
-static int lv_config(const char *key, const char *value) {
- if (virInitialize() != 0)
- return 1;
-
- if (lv_init_ignorelists() != 0)
- return 1;
-
- if (strcasecmp(key, "Connection") == 0) {
- char *tmp = strdup(value);
- if (tmp == NULL) {
- ERROR(PLUGIN_NAME " plugin: Connection strdup failed.");
- return 1;
- }
- sfree(conn_string);
- conn_string = tmp;
- return 0;
- }
-
- if (strcasecmp(key, "RefreshInterval") == 0) {
- char *eptr = NULL;
- interval = strtol(value, &eptr, 10);
- if (eptr == NULL || *eptr != '\0')
- return 1;
- return 0;
+/* Validates config option that may take multiple strings arguments.
+ * Returns 0 on success, -1 otherwise */
+static int check_config_multiple_string_entry(const oconfig_item_t *ci) {
+ if (ci == NULL) {
+ ERROR(PLUGIN_NAME " plugin: ci oconfig_item can't be NULL");
+ return -1;
}
- if (strcasecmp(key, "Domain") == 0) {
- if (ignorelist_add(il_domains, value))
- return 1;
- return 0;
- }
- if (strcasecmp(key, "BlockDevice") == 0) {
- if (ignorelist_add(il_block_devices, value))
- return 1;
- return 0;
+ if (ci->values_num < 1) {
+ ERROR(PLUGIN_NAME
+ " plugin: the '%s' option requires at least one string argument",
+ ci->key);
+ return -1;
}
- if (strcasecmp(key, "BlockDeviceFormat") == 0) {
- if (strcasecmp(value, "target") == 0)
- blockdevice_format = target;
- else if (strcasecmp(value, "source") == 0)
- blockdevice_format = source;
- else {
- ERROR(PLUGIN_NAME " plugin: unknown BlockDeviceFormat: %s", value);
+ for (int i = 0; i < ci->values_num; ++i) {
+ if (ci->values[i].type != OCONFIG_TYPE_STRING) {
+ ERROR(PLUGIN_NAME
+ " plugin: one of the '%s' options is not a valid string",
+ ci->key);
return -1;
}
- return 0;
- }
- if (strcasecmp(key, "BlockDeviceFormatBasename") == 0) {
- blockdevice_format_basename = IS_TRUE(value) ? true : false;
- return 0;
- }
- if (strcasecmp(key, "InterfaceDevice") == 0) {
- if (ignorelist_add(il_interface_devices, value))
- return 1;
- return 0;
}
- if (strcasecmp(key, "IgnoreSelected") == 0) {
- if (IS_TRUE(value)) {
- ignorelist_set_invert(il_domains, 0);
- ignorelist_set_invert(il_block_devices, 0);
- ignorelist_set_invert(il_interface_devices, 0);
- } else {
- ignorelist_set_invert(il_domains, 1);
- ignorelist_set_invert(il_block_devices, 1);
- ignorelist_set_invert(il_interface_devices, 1);
- }
- return 0;
- }
+ return 0;
+}
- if (strcasecmp(key, "HostnameMetadataNS") == 0) {
- char *tmp = strdup(value);
- if (tmp == NULL) {
- ERROR(PLUGIN_NAME " plugin: HostnameMetadataNS strdup failed.");
- return 1;
- }
- sfree(hm_ns);
- hm_ns = tmp;
- return 0;
+static int lv_config(oconfig_item_t *ci) {
+ if (lv_init_ignorelists() != 0) {
+ ERROR(PLUGIN_NAME " plugin: lv_init_ignorelist failed.");
+ return -1;
}
- if (strcasecmp(key, "HostnameMetadataXPath") == 0) {
- char *tmp = strdup(value);
- if (tmp == NULL) {
- ERROR(PLUGIN_NAME " plugin: HostnameMetadataXPath strdup failed.");
- return 1;
- }
- sfree(hm_xpath);
- hm_xpath = tmp;
- return 0;
- }
+ for (int i = 0; i < ci->children_num; ++i) {
+ oconfig_item_t *c = ci->children + i;
- if (strcasecmp(key, "HostnameFormat") == 0) {
- char *value_copy = strdup(value);
- if (value_copy == NULL) {
- ERROR(PLUGIN_NAME " plugin: strdup failed.");
- return -1;
- }
+ if (strcasecmp(c->key, "Connection") == 0) {
+ if (cf_util_get_string(c, &conn_string) != 0 || conn_string == NULL)
+ return -1;
- char *fields[HF_MAX_FIELDS];
- int n = strsplit(value_copy, fields, HF_MAX_FIELDS);
- if (n < 1) {
- sfree(value_copy);
- ERROR(PLUGIN_NAME " plugin: HostnameFormat: no fields");
- return -1;
- }
+ continue;
+ } else if (strcasecmp(c->key, "RefreshInterval") == 0) {
+ if (cf_util_get_int(c, &interval) != 0)
+ return -1;
- for (int i = 0; i < n; ++i) {
- if (strcasecmp(fields[i], "hostname") == 0)
- hostname_format[i] = hf_hostname;
- else if (strcasecmp(fields[i], "name") == 0)
- hostname_format[i] = hf_name;
- else if (strcasecmp(fields[i], "uuid") == 0)
- hostname_format[i] = hf_uuid;
- else if (strcasecmp(fields[i], "metadata") == 0)
- hostname_format[i] = hf_metadata;
+ continue;
+ } else if (strcasecmp(c->key, "Domain") == 0) {
+ char *domain_name = NULL;
+ if (cf_util_get_string(c, &domain_name) != 0)
+ return -1;
+
+ if (ignorelist_add(il_domains, domain_name)) {
+ ERROR(PLUGIN_NAME " plugin: Adding '%s' to domain-ignorelist failed",
+ domain_name);
+ sfree(domain_name);
+ return -1;
+ }
+
+ sfree(domain_name);
+ continue;
+ } else if (strcasecmp(c->key, "BlockDevice") == 0) {
+ char *device_name = NULL;
+ if (cf_util_get_string(c, &device_name) != 0)
+ return -1;
+
+ if (ignorelist_add(il_block_devices, device_name) != 0) {
+ ERROR(PLUGIN_NAME
+ " plugin: Adding '%s' to block-device-ignorelist failed",
+ device_name);
+ sfree(device_name);
+ return -1;
+ }
+
+ sfree(device_name);
+ continue;
+ } else if (strcasecmp(c->key, "BlockDeviceFormat") == 0) {
+ char *device_format = NULL;
+ if (cf_util_get_string(c, &device_format) != 0)
+ return -1;
+
+ if (strcasecmp(device_format, "target") == 0)
+ blockdevice_format = target;
+ else if (strcasecmp(device_format, "source") == 0)
+ blockdevice_format = source;
else {
- ERROR(PLUGIN_NAME " plugin: unknown HostnameFormat field: %s",
- fields[i]);
- sfree(value_copy);
+ ERROR(PLUGIN_NAME " plugin: unknown BlockDeviceFormat: %s",
+ device_format);
+ sfree(device_format);
return -1;
}
- }
- sfree(value_copy);
- for (int i = n; i < HF_MAX_FIELDS; ++i)
- hostname_format[i] = hf_none;
+ sfree(device_format);
+ continue;
+ } else if (strcasecmp(c->key, "BlockDeviceFormatBasename") == 0) {
+ if (cf_util_get_boolean(c, &blockdevice_format_basename) != 0)
+ return -1;
- return 0;
- }
+ continue;
+ } else if (strcasecmp(c->key, "InterfaceDevice") == 0) {
+ char *interface_name = NULL;
+ if (cf_util_get_string(c, &interface_name) != 0)
+ return -1;
- if (strcasecmp(key, "PluginInstanceFormat") == 0) {
- char *value_copy = strdup(value);
- if (value_copy == NULL) {
- ERROR(PLUGIN_NAME " plugin: strdup failed.");
- return -1;
- }
+ if (ignorelist_add(il_interface_devices, interface_name)) {
+ ERROR(PLUGIN_NAME " plugin: Adding '%s' to interface-ignorelist failed",
+ interface_name);
+ sfree(interface_name);
+ return -1;
+ }
- char *fields[PLGINST_MAX_FIELDS];
- int n = strsplit(value_copy, fields, PLGINST_MAX_FIELDS);
- if (n < 1) {
- sfree(value_copy);
- ERROR(PLUGIN_NAME " plugin: PluginInstanceFormat: no fields");
- return -1;
- }
+ sfree(interface_name);
+ continue;
+ } else if (strcasecmp(c->key, "IgnoreSelected") == 0) {
+ bool ignore_selected = false;
+ if (cf_util_get_boolean(c, &ignore_selected) != 0)
+ return -1;
- for (int i = 0; i < n; ++i) {
- if (strcasecmp(fields[i], "none") == 0) {
- plugin_instance_format[i] = plginst_none;
- break;
- } else if (strcasecmp(fields[i], "name") == 0)
- plugin_instance_format[i] = plginst_name;
- else if (strcasecmp(fields[i], "uuid") == 0)
- plugin_instance_format[i] = plginst_uuid;
- else if (strcasecmp(fields[i], "metadata") == 0)
- plugin_instance_format[i] = plginst_metadata;
- else {
- ERROR(PLUGIN_NAME " plugin: unknown PluginInstanceFormat field: %s",
- fields[i]);
- sfree(value_copy);
+ if (ignore_selected) {
+ ignorelist_set_invert(il_domains, 0);
+ ignorelist_set_invert(il_block_devices, 0);
+ ignorelist_set_invert(il_interface_devices, 0);
+ } else {
+ ignorelist_set_invert(il_domains, 1);
+ ignorelist_set_invert(il_block_devices, 1);
+ ignorelist_set_invert(il_interface_devices, 1);
+ }
+
+ continue;
+ } else if (strcasecmp(c->key, "HostnameMetadataNS") == 0) {
+ if (cf_util_get_string(c, &hm_ns) != 0)
+ return -1;
+
+ continue;
+ } else if (strcasecmp(c->key, "HostnameMetadataXPath") == 0) {
+ if (cf_util_get_string(c, &hm_xpath) != 0)
+ return -1;
+
+ continue;
+ } else if (strcasecmp(c->key, "HostnameFormat") == 0) {
+ /* this option can take multiple strings arguments in one config line*/
+ if (check_config_multiple_string_entry(c) != 0) {
+ ERROR(PLUGIN_NAME " plugin: Could not get 'HostnameFormat' parameter");
return -1;
}
- }
- sfree(value_copy);
- for (int i = n; i < PLGINST_MAX_FIELDS; ++i)
- plugin_instance_format[i] = plginst_none;
+ const int params_num = c->values_num;
+ for (int i = 0; i < params_num; ++i) {
+ const char *param_name = c->values[i].value.string;
+ if (strcasecmp(param_name, "hostname") == 0)
+ hostname_format[i] = hf_hostname;
+ else if (strcasecmp(param_name, "name") == 0)
+ hostname_format[i] = hf_name;
+ else if (strcasecmp(param_name, "uuid") == 0)
+ hostname_format[i] = hf_uuid;
+ else if (strcasecmp(param_name, "metadata") == 0)
+ hostname_format[i] = hf_metadata;
+ else {
+ ERROR(PLUGIN_NAME " plugin: unknown HostnameFormat field: %s",
+ param_name);
+ return -1;
+ }
+ }
- return 0;
- }
+ for (int i = params_num; i < HF_MAX_FIELDS; ++i)
+ hostname_format[i] = hf_none;
- if (strcasecmp(key, "InterfaceFormat") == 0) {
- if (strcasecmp(value, "name") == 0)
- interface_format = if_name;
- else if (strcasecmp(value, "address") == 0)
- interface_format = if_address;
- else if (strcasecmp(value, "number") == 0)
- interface_format = if_number;
- else {
- ERROR(PLUGIN_NAME " plugin: unknown InterfaceFormat: %s", value);
- return -1;
- }
- return 0;
- }
+ continue;
+ } else if (strcasecmp(c->key, "PluginInstanceFormat") == 0) {
+ /* this option can handle list of string parameters in one line*/
+ if (check_config_multiple_string_entry(c) != 0) {
+ ERROR(PLUGIN_NAME
+ " plugin: Could not get 'PluginInstanceFormat' parameter");
+ return -1;
+ }
- if (strcasecmp(key, "Instances") == 0) {
- char *eptr = NULL;
- double val = strtod(value, &eptr);
+ const int params_num = c->values_num;
+ for (int i = 0; i < params_num; ++i) {
+ const char *param_name = c->values[i].value.string;
+ if (strcasecmp(param_name, "none") == 0) {
+ plugin_instance_format[i] = plginst_none;
+ break;
+ } else if (strcasecmp(param_name, "name") == 0)
+ plugin_instance_format[i] = plginst_name;
+ else if (strcasecmp(param_name, "uuid") == 0)
+ plugin_instance_format[i] = plginst_uuid;
+ else if (strcasecmp(param_name, "metadata") == 0)
+ plugin_instance_format[i] = plginst_metadata;
+ else {
+ ERROR(PLUGIN_NAME " plugin: unknown PluginInstanceFormat field: %s",
+ param_name);
+
+ return -1;
+ }
+ }
- if (*eptr != '\0') {
- ERROR(PLUGIN_NAME " plugin: Invalid value for Instances = '%s'", value);
- return 1;
- }
- if (val <= 0) {
- ERROR(PLUGIN_NAME " plugin: Instances <= 0 makes no sense.");
- return 1;
- }
- if (val > NR_INSTANCES_MAX) {
- ERROR(PLUGIN_NAME " plugin: Instances=%f > NR_INSTANCES_MAX=%i"
- " use a lower setting or recompile the plugin.",
- val, NR_INSTANCES_MAX);
- return 1;
- }
+ for (int i = params_num; i < PLGINST_MAX_FIELDS; ++i)
+ plugin_instance_format[i] = plginst_none;
- nr_instances = (int)val;
- DEBUG(PLUGIN_NAME " plugin: configured %i instances", nr_instances);
- return 0;
- }
+ continue;
+ } else if (strcasecmp(c->key, "InterfaceFormat") == 0) {
+ char *format = NULL;
+ if (cf_util_get_string(c, &format) != 0)
+ return -1;
+
+ if (strcasecmp(format, "name") == 0)
+ interface_format = if_name;
+ else if (strcasecmp(format, "address") == 0)
+ interface_format = if_address;
+ else if (strcasecmp(format, "number") == 0)
+ interface_format = if_number;
+ else {
+ ERROR(PLUGIN_NAME " plugin: unknown InterfaceFormat: %s", format);
+ sfree(format);
+ return -1;
+ }
+
+ sfree(format);
+ continue;
+ } else if (strcasecmp(c->key, "Instances") == 0) {
+ if (cf_util_get_int(c, &nr_instances) != 0)
+ return -1;
+
+ if (nr_instances <= 0) {
+ ERROR(PLUGIN_NAME " plugin: Instances <= 0 makes no sense.");
+ return -1;
+ }
+ if (nr_instances > NR_INSTANCES_MAX) {
+ ERROR(PLUGIN_NAME " plugin: Instances=%i > NR_INSTANCES_MAX=%i"
+ " use a lower setting or recompile the plugin.",
+ nr_instances, NR_INSTANCES_MAX);
+ return -1;
+ }
+
+ DEBUG(PLUGIN_NAME " plugin: configured %i instances", nr_instances);
+ continue;
+ } else if (strcasecmp(c->key, "ExtraStats") == 0) {
+ char *ex_str = NULL;
+
+ if (cf_util_get_string(c, &ex_str) != 0)
+ return -1;
- if (strcasecmp(key, "ExtraStats") == 0) {
- char *localvalue = strdup(value);
- if (localvalue != NULL) {
char *exstats[EX_STATS_MAX_FIELDS];
- int numexstats =
- strsplit(localvalue, exstats, STATIC_ARRAY_SIZE(exstats));
- extra_stats = parse_ex_stats_flags(exstats, numexstats);
- sfree(localvalue);
+ int numexstats = strsplit(ex_str, exstats, STATIC_ARRAY_SIZE(exstats));
+ int status = parse_ex_stats_flags(&extra_stats, exstats, numexstats);
+ sfree(ex_str);
+ if (status != 0) {
+ ERROR(PLUGIN_NAME " plugin: parsing 'ExtraStats' option failed");
+ return status;
+ }
#ifdef HAVE_JOB_STATS
if ((extra_stats & ex_stats_job_stats_completed) &&
ERROR(PLUGIN_NAME " plugin: Invalid job stats configuration. Only one "
"type of job statistics can be collected at the same "
"time");
- return 1;
+ return -1;
}
#endif
- }
- }
- if (strcasecmp(key, "PersistentNotification") == 0) {
- persistent_notification = IS_TRUE(value);
- return 0;
- }
+ /* ExtraStats parsed successfully */
+ continue;
+ } else if (strcasecmp(c->key, "PersistentNotification") == 0) {
+ if (cf_util_get_boolean(c, &persistent_notification) != 0)
+ return -1;
- if (strcasecmp(key, "ReportBlockDevices") == 0) {
- report_block_devices = IS_TRUE(value);
- return 0;
- }
+ continue;
+ } else if (strcasecmp(c->key, "ReportBlockDevices") == 0) {
+ if (cf_util_get_boolean(c, &report_block_devices) != 0)
+ return -1;
- if (strcasecmp(key, "ReportNetworkInterfaces") == 0) {
- report_network_interfaces = IS_TRUE(value);
- return 0;
+ continue;
+ } else if (strcasecmp(c->key, "ReportNetworkInterfaces") == 0) {
+ if (cf_util_get_boolean(c, &report_network_interfaces) != 0)
+ return -1;
+
+ continue;
+ } else {
+ /* Unrecognised option. */
+ ERROR(PLUGIN_NAME " plugin: Unrecognized option: '%s'", c->key);
+ return -1;
+ }
}
- /* Unrecognised option. */
- return -1;
+ return 0;
}
static int lv_connect(void) {
for (int j = 0; j < xml_interfaces->nodeNr; ++j) {
char *path = NULL;
char *address = NULL;
+ const int itf_number = j + 1;
xmlNodePtr xml_interface = xml_interfaces->nodeTab[j];
if (!xml_interface)
}
}
- if ((ignore_device_match(il_interface_devices, domname, path) == 0 &&
- ignore_device_match(il_interface_devices, domname, address) == 0)) {
- add_interface_device(state, dom, path, address, j + 1);
+ bool device_ignored = false;
+ switch (interface_format) {
+ case if_name:
+ if (ignore_device_match(il_interface_devices, domname, path) != 0)
+ device_ignored = true;
+ break;
+ case if_address:
+ if (ignore_device_match(il_interface_devices, domname, address) != 0)
+ device_ignored = true;
+ break;
+ case if_number: {
+ char number_string[4];
+ snprintf(number_string, sizeof(number_string), "%d", itf_number);
+ if (ignore_device_match(il_interface_devices, domname, number_string) !=
+ 0)
+ device_ignored = true;
+ } break;
+ default:
+ ERROR(PLUGIN_NAME " plugin: Unknown interface_format option: %d",
+ interface_format);
}
+ if (!device_ignored)
+ add_interface_device(state, dom, path, address, itf_number);
+
if (path)
xmlFree(path);
if (address)
xmlXPathFreeObject(xpath_obj);
}
+static bool is_domain_ignored(virDomainPtr dom) {
+ const char *domname = virDomainGetName(dom);
+
+ if (domname == NULL) {
+ VIRT_ERROR(conn, "virDomainGetName failed, ignoring domain");
+ return true;
+ }
+
+ if (ignorelist_match(il_domains, domname) != 0) {
+ DEBUG(PLUGIN_NAME
+ " plugin: ignoring domain '%s' because of ignorelist option",
+ domname);
+ return true;
+ }
+
+ return false;
+}
+
static int refresh_lists(struct lv_read_instance *inst) {
struct lv_read_state *state = &inst->read_state;
int n;
#ifdef HAVE_LIST_ALL_DOMAINS
for (int i = 0; i < m; ++i)
- if (add_domain(state, domains_inactive[i], 0) < 0) {
- ERROR(PLUGIN_NAME " plugin: malloc failed.");
+ if (is_domain_ignored(domains_inactive[i]) ||
+ add_domain(state, domains_inactive[i], 0) < 0) {
+ /* domain ignored or failed during adding to domains list*/
virDomainFree(domains_inactive[i]);
domains_inactive[i] = NULL;
continue;
}
#endif
- if (add_domain(state, dom, 1) < 0) {
+ if (is_domain_ignored(dom) || add_domain(state, dom, 1) < 0) {
/*
+ * domain ignored or failed during adding to domains list
+ *
* When domain is already tracked, then there is
* no problem with memory handling (will be freed
* with the rest of domains cached data)
* before adding domain to track) we have to take
* care it ourselves and call virDomainFree
*/
- ERROR(PLUGIN_NAME " plugin: malloc failed.");
virDomainFree(dom);
continue;
}
continue;
}
- if (ignorelist_match(il_domains, domname) != 0)
- continue;
-
/* Get a list of devices for this domain. */
xmlDocPtr xml_doc = NULL;
xmlXPathContextPtr xpath_ctx = NULL;
static int add_domain(struct lv_read_state *state, virDomainPtr dom,
bool active) {
-
int new_size = sizeof(state->domains[0]) * (state->nr_domains + 1);
domain_t *new_ptr = realloc(state->domains, new_size);
- if (new_ptr == NULL)
+ if (new_ptr == NULL) {
+ ERROR(PLUGIN_NAME " plugin: realloc failed in add_domain()");
return -1;
+ }
state->domains = new_ptr;
state->domains[state->nr_domains].ptr = dom;
}
void module_register(void) {
- plugin_register_config(PLUGIN_NAME, lv_config, config_keys, NR_CONFIG_KEYS);
+ plugin_register_complex_config("virt", lv_config);
plugin_register_init(PLUGIN_NAME, lv_init);
plugin_register_shutdown(PLUGIN_NAME, lv_shutdown);
}
projects / collectd.git / commitdiff