{
"enable_autodetect": false,
"update_every": 5,
+ "max_request_size": 50,
"servers": [
{
"hostname": "10.11.12.8",
"community": "public",
"update_every": 10,
+ "max_request_size": 50,
"options": { "timeout": 10000 },
"charts": {
"snmp_switch.bandwidth_port1": {
"priority": 1,
"dimensions": {
"in": {
- "oid": "1.3.6.1.2.1.2.2.1.10.1",
+ "oid": ".1.3.6.1.2.1.2.2.1.10.1",
"algorithm": "incremental",
"multiplier": 8,
"divisor": 1024
},
"out": {
- "oid": "1.3.6.1.2.1.2.2.1.16.1",
+ "oid": ".1.3.6.1.2.1.2.2.1.16.1",
"algorithm": "incremental",
"multiplier": -8,
"divisor": 1024
"priority": 1,
"dimensions": {
"in": {
- "oid": "1.3.6.1.2.1.2.2.1.10.2",
+ "oid": ".1.3.6.1.2.1.2.2.1.10.2",
"algorithm": "incremental",
"multiplier": 8,
"divisor": 1024
},
"out": {
- "oid": "1.3.6.1.2.1.2.2.1.16.2",
+ "oid": ".1.3.6.1.2.1.2.2.1.16.2",
"algorithm": "incremental",
"multiplier": -8,
"divisor": 1024
{
"enable_autodetect": false,
"update_every": 10,
+ "max_request_size": 50,
"servers": [
{
"hostname": "10.11.12.8",
"community": "public",
"update_every": 10,
+ "max_request_size": 50,
"options": { "timeout": 20000 },
"charts": {
"snmp_switch.bandwidth_port": {
"multiply_range": [ 1, 24 ],
"dimensions": {
"in": {
- "oid": "1.3.6.1.2.1.2.2.1.10",
+ "oid": ".1.3.6.1.2.1.2.2.1.10.",
"algorithm": "incremental",
"multiplier": 8,
"divisor": 1024
},
"out": {
- "oid": "1.3.6.1.2.1.2.2.1.16",
+ "oid": ".1.3.6.1.2.1.2.2.1.16.",
"algorithm": "incremental",
"multiplier": -8,
"divisor": 1024
netdata.processors.snmp = {
name: 'snmp',
- process: function(service, callback) {
+ fixoid: function(oid) {
+ if(typeof oid !== 'string')
+ return oid;
+
+ if(oid.charAt(0) === '.')
+ return oid.substring(1, oid.length);
+
+ return oid;
+ },
+
+ prepare: function(service) {
if(typeof service.snmp_oids === 'undefined' || service.snmp_oids === null || service.snmp_oids.length === 0) {
// this is the first time we see this service
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': indexing ' + this.name + ' chart: ' + c);
+ if(typeof service.request.charts[c].titleoid !== 'undefined') {
+ service.snmp_oids_index[this.fixoid(service.request.charts[c].titleoid)] = {
+ type: 'title',
+ link: service.request.charts[c]
+ };
+ }
+
for(var d in service.request.charts[c].dimensions) {
// for each dimension in the chart
+ var oid = this.fixoid(service.request.charts[c].dimensions[d].oid);
+ var oidname = this.fixoid(service.request.charts[c].dimensions[d].oidname);
+
if(netdata.options.DEBUG === true)
- netdata.debug(service.module.name + ': ' + service.name + ': indexing ' + this.name + ' chart: ' + c + ', dimension: ' + d + ', OID: ' + service.request.charts[c].dimensions[d].oid);
+ netdata.debug(service.module.name + ': ' + service.name + ': indexing ' + this.name + ' chart: ' + c + ', dimension: ' + d + ', OID: ' + oid + ", OID name: " + oidname);
// link it to the point we need to set the value to
- service.snmp_oids_index[service.request.charts[c].dimensions[d].oid] = service.request.charts[c].dimensions[d];
+ service.snmp_oids_index[oid] = {
+ type: 'value',
+ link: service.request.charts[c].dimensions[d]
+ };
+
+ if(typeof oidname !== 'undefined')
+ service.snmp_oids_index[oidname] = {
+ type: 'name',
+ link: service.request.charts[c].dimensions[d]
+ };
// and set the value to null
service.request.charts[c].dimensions[d].value = null;
}
}
+
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': indexed ' + this.name + ' OIDs: ' + netdata.stringify(service.snmp_oids_index));
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': final list of ' + this.name + ' OIDs: ' + netdata.stringify(service.snmp_oids));
+
+ service.snmp_oids_cleaned = 0;
}
+ else if(service.snmp_oids_cleaned === 0) {
+ service.snmp_oids_cleaned = 1;
- if(service.snmp_oids.length === 0) {
- // no OIDs found for this service
+ // the second time, keep only values
+ service.snmp_oids = new Array();
+ for(var o in service.snmp_oids_index)
+ if(service.snmp_oids_index[o].type === 'value')
+ service.snmp_oids.push(o);
+ }
+ },
- if(netdata.options.DEBUG === true)
- service.error('no OIDs to process.');
+ getdata: function(service, index, ok, failed, callback) {
+ var that = this;
- callback(null);
+ if(index >= service.snmp_oids.length) {
+ callback((ok > 0)?{ ok: ok, failed: failed }:null);
return;
}
- if(typeof service.snmp_session === 'undefined' || service.snmp_session === null) {
- // no SNMP session has been created for this service
- // the SNMP session is just the initialization of NET-SNMP
-
- if(netdata.options.DEBUG === true)
- netdata.debug(service.module.name + ': ' + service.name + ': opening ' + this.name + ' session on ' + service.request.hostname + ' community ' + service.request.community + ' options ' + netdata.stringify(service.request.options));
-
- // create the SNMP session
- service.snmp_session = net_snmp.createSession (service.request.hostname, service.request.community, service.request.options);
-
- if(netdata.options.DEBUG === true)
- netdata.debug(service.module.name + ': ' + service.name + ': got ' + this.name + ' session: ' + netdata.stringify(service.snmp_session));
-
- // if we later need traps, this is how to do it:
- //service.snmp_session.trap(net_snmp.TrapType.LinkDown, function(error) {
- // if(error) console.error('trap error: ' + netdata.stringify(error));
- //});
+ var slice;
+ if(service.snmp_oids.length <= service.request.max_request_size) {
+ slice = service.snmp_oids;
+ index = service.snmp_oids.length;
+ }
+ else if(service.snmp_oids.length - index <= service.request.max_request_size) {
+ slice = service.snmp_oids.slice(index, service.snmp_oids.length);
+ index = service.snmp_oids.length;
+ }
+ else {
+ slice = service.snmp_oids.slice(index, index + service.request.max_request_size);
+ index += service.request.max_request_size;
}
- // do it, get the SNMP values for the sessions we need
- service.snmp_session.get(service.snmp_oids, function(error, varbinds) {
- var ok = 0, failed = 0;
+ if(netdata.options.DEBUG === true)
+ netdata.debug(service.module.name + ': ' + service.name + ': making ' + slice.length + ' entries request, max is: ' + service.request.max_request_size);
+ service.snmp_session.get(slice, function(error, varbinds) {
if(error) {
service.error('Received error = ' + netdata.stringify(error) + ' varbinds = ' + netdata.stringify(varbinds));
+
+ // make all values null
+ var len = slice.length;
+ while(len--)
+ service.snmp_oids_index[slice[len]].value = null;
}
else {
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': got valid ' + service.module.name + ' response: ' + netdata.stringify(varbinds));
for(var i = 0; i < varbinds.length; i++) {
+ var value = null;
+
if(net_snmp.isVarbindError(varbinds[i])) {
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': failed ' + service.module.name + ' get for OIDs ' + varbinds[i].oid);
service.error('OID ' + varbinds[i].oid + ' gave error: ' + snmp.varbindError(varbinds[i]));
- service.snmp_oids_index[varbinds[i].oid].value = null;
+ value = null;
failed++;
}
else {
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': found ' + service.module.name + ' value of OIDs ' + varbinds[i].oid + " = " + varbinds[i].value);
- service.snmp_oids_index[varbinds[i].oid].value = varbinds[i].value;
+ value = varbinds[i].value;
ok++;
}
+
+ if(value !== null) {
+ switch(service.snmp_oids_index[varbinds[i].oid].type) {
+ case 'title': service.snmp_oids_index[varbinds[i].oid].link.title += ' ' + value; break;
+ case 'name' : service.snmp_oids_index[varbinds[i].oid].link.name = value; break;
+ case 'value': service.snmp_oids_index[varbinds[i].oid].link.value = value; break;
+ }
+ }
}
if(netdata.options.DEBUG === true)
netdata.debug(service.module.name + ': ' + service.name + ': finished ' + service.module.name + ' with ' + ok + ' successful and ' + failed + ' failed values');
}
-
- callback((ok > 0)?{ ok: ok, failed: failed }:null);
+ that.getdata(service, index, ok, failed, callback);
});
+ },
+
+ process: function(service, callback) {
+ this.prepare(service);
+
+ if(service.snmp_oids.length === 0) {
+ // no OIDs found for this service
+
+ if(netdata.options.DEBUG === true)
+ service.error('no OIDs to process.');
+
+ callback(null);
+ return;
+ }
+
+ if(typeof service.snmp_session === 'undefined' || service.snmp_session === null) {
+ // no SNMP session has been created for this service
+ // the SNMP session is just the initialization of NET-SNMP
+
+ if(netdata.options.DEBUG === true)
+ netdata.debug(service.module.name + ': ' + service.name + ': opening ' + this.name + ' session on ' + service.request.hostname + ' community ' + service.request.community + ' options ' + netdata.stringify(service.request.options));
+
+ // create the SNMP session
+ service.snmp_session = net_snmp.createSession (service.request.hostname, service.request.community, service.request.options);
+
+ if(netdata.options.DEBUG === true)
+ netdata.debug(service.module.name + ': ' + service.name + ': got ' + this.name + ' session: ' + netdata.stringify(service.snmp_session));
+
+ // if we later need traps, this is how to do it:
+ //service.snmp_session.trap(net_snmp.TrapType.LinkDown, function(error) {
+ // if(error) console.error('trap error: ' + netdata.stringify(error));
+ //});
+ }
+
+ // do it, get the SNMP values for the sessions we need
+ this.getdata(service, 0, 0, 0, callback);
}
};
name: __filename,
enable_autodetect: true,
update_every: 1,
+ base_priority: 50000,
charts: {},
var to = service.request.charts[c].multiply_range[1];
var prio = service.request.charts[c].priority || 1;
+ if(prio < snmp.base_priority) prio += snmp.base_priority;
+
while(from <= to) {
var id = c + from.toString();
var chart = extend(true, {}, service.request.charts[c]);
chart.title += from.toString();
+
+ if(typeof chart.titleoid !== 'undefined')
+ chart.titleoid += from.toString();
+
chart.priority = prio++;
for(var d in chart.dimensions) {
- chart.dimensions[d].oid += '.' + from.toString();
+ chart.dimensions[d].oid += from.toString();
+
+ if(typeof chart.dimensions[d].oidname !== 'undefined')
+ chart.dimensions[d].oidname += from.toString();
}
service.request.charts[id] = chart;
from++;
delete service.request.charts[c];
}
+ else {
+ if(service.request.charts[c].priority < snmp.base_priority)
+ service.request.charts[c].priority += snmp.base_priority;
+ }
}
service.execute(this.processResponse);
configure: function(config) {
var added = 0;
+ if(typeof config.max_request_size === 'undefined')
+ config.max_request_size = 50;
+
if(typeof(config.servers) !== 'undefined') {
var len = config.servers.length;
while(len--) {
if(typeof config.servers[len].update_every === 'undefined')
config.servers[len].update_every = this.update_every;
+ if(typeof config.servers[len].max_request_size === 'undefined')
+ config.servers[len].max_request_size = config.max_request_size;
+
this.serviceExecute(config.servers[len]);
added++;
}
projects / netdata.git / blobdiff