Add network option to dns_query (#3042)
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@ -8,19 +8,23 @@ The DNS plugin gathers dns query times in miliseconds - like [Dig](https://en.wi
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# Sample Config:
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[[inputs.dns_query]]
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## servers to query
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servers = ["8.8.8.8"] # required
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servers = ["8.8.8.8"]
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## Domains or subdomains to query. "." (root) is default
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domains = ["."] # optional
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## Network is the network protocol name.
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# network = "udp"
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## Query record type. Posible values: A, AAAA, ANY, CNAME, MX, NS, PTR, SOA, SPF, SRV, TXT. Default is "NS"
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record_type = "A" # optional
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## Domains or subdomains to query.
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# domains = ["."]
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## Dns server port. 53 is default
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port = 53 # optional
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## Query record type.
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## Posible values: A, AAAA, CNAME, MX, NS, PTR, TXT, SOA, SPF, SRV.
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# record_type = "A"
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## Query timeout in seconds. Default is 2 seconds
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timeout = 2 # optional
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## Dns server port.
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# port = 53
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## Query timeout in seconds.
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# timeout = 2
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```
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For querying more than one record type make:
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@ -46,6 +50,6 @@ For querying more than one record type make:
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### Example output:
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```
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./telegraf --config telegraf.conf --input-filter dns_query --test
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telegraf --input-filter dns_query --test
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> dns_query,domain=mjasion.pl,record_type=A,server=8.8.8.8 query_time_ms=67.189842 1456082743585760680
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```
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@ -3,11 +3,12 @@ package dns_query
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import (
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"errors"
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"fmt"
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"github.com/miekg/dns"
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"net"
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"strconv"
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"time"
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"github.com/miekg/dns"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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@ -16,6 +17,9 @@ type DnsQuery struct {
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// Domains or subdomains to query
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Domains []string
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// Network protocl name
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Network string
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// Server to query
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Servers []string
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@ -31,20 +35,23 @@ type DnsQuery struct {
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var sampleConfig = `
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## servers to query
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servers = ["8.8.8.8"] # required
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servers = ["8.8.8.8"]
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## Domains or subdomains to query. "."(root) is default
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domains = ["."] # optional
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## Network is the network protocol name.
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# network = "udp"
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## Query record type. Default is "A"
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## Domains or subdomains to query.
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# domains = ["."]
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## Query record type.
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## Posible values: A, AAAA, CNAME, MX, NS, PTR, TXT, SOA, SPF, SRV.
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record_type = "A" # optional
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# record_type = "A"
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## Dns server port. 53 is default
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port = 53 # optional
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## Dns server port.
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# port = 53
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## Query timeout in seconds. Default is 2 seconds
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timeout = 2 # optional
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## Query timeout in seconds.
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# timeout = 2
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`
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func (d *DnsQuery) SampleConfig() string {
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@ -76,6 +83,10 @@ func (d *DnsQuery) Gather(acc telegraf.Accumulator) error {
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}
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func (d *DnsQuery) setDefaultValues() {
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if d.Network == "" {
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d.Network = "udp"
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}
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if len(d.RecordType) == 0 {
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d.RecordType = "NS"
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}
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@ -99,6 +110,7 @@ func (d *DnsQuery) getDnsQueryTime(domain string, server string) (float64, error
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c := new(dns.Client)
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c.ReadTimeout = time.Duration(d.Timeout) * time.Second
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c.Net = d.Network
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m := new(dns.Msg)
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recordType, err := d.parseRecordType()
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