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|
// SPDX-License-Identifier: GPL-3.0-or-later
package coredns
import (
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
dataVer169NoLoad, _ = os.ReadFile("testdata/version169/no_load.txt")
dataVer169SomeLoad, _ = os.ReadFile("testdata/version169/some_load.txt")
dataVer170NoLoad, _ = os.ReadFile("testdata/version170/no_load.txt")
dataVer170SomeLoad, _ = os.ReadFile("testdata/version170/some_load.txt")
dataNoLoadNoVersion, _ = os.ReadFile("testdata/no_version/no_load.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataVer169NoLoad": dataVer169NoLoad,
"dataVer169SomeLoad": dataVer169SomeLoad,
"dataVer170NoLoad": dataVer170NoLoad,
"dataVer170SomeLoad": dataVer170SomeLoad,
"dataNoLoadNoVersion": dataNoLoadNoVersion,
} {
require.NotNilf(t, data, name)
}
}
func TestCoreDNS_ConfigurationSerialize(t *testing.T) {
module.TestConfigurationSerialize(t, &CoreDNS{}, dataConfigJSON, dataConfigYAML)
}
func TestCoreDNS_Charts(t *testing.T) {
assert.NotNil(t, New().Charts())
}
func TestCoreDNS_Cleanup(t *testing.T) {
New().Cleanup()
}
func TestCoreDNS_Init(t *testing.T) {
assert.NoError(t, New().Init())
}
func TestCoreDNS_InitNG(t *testing.T) {
job := New()
job.URL = ""
assert.Error(t, job.Init())
}
func TestCoreDNS_Check(t *testing.T) {
tests := []struct {
name string
data []byte
}{
{"version 1.6.9", dataVer169NoLoad},
{"version 1.7.0", dataVer170NoLoad},
}
for _, testNoLoad := range tests {
t.Run(testNoLoad.name, func(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(testNoLoad.data)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
assert.NoError(t, job.Check())
})
}
}
func TestCoreDNS_CheckNG(t *testing.T) {
job := New()
job.URL = "http://127.0.0.1:38001/metrics"
require.NoError(t, job.Init())
assert.Error(t, job.Check())
}
func TestCoreDNS_Collect(t *testing.T) {
tests := []struct {
name string
data []byte
}{
{"version 1.6.9", dataVer169SomeLoad},
{"version 1.7.0", dataVer170SomeLoad},
}
for _, testSomeLoad := range tests {
t.Run(testSomeLoad.name, func(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(testSomeLoad.data)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
job.PerServerStats.Includes = []string{"glob:*"}
job.PerZoneStats.Includes = []string{"glob:*"}
require.NoError(t, job.Init())
require.NoError(t, job.Check())
expected := map[string]int64{
"coredns.io._request_per_ip_family_v4": 19,
"coredns.io._request_per_ip_family_v6": 0,
"coredns.io._request_per_proto_tcp": 0,
"coredns.io._request_per_proto_udp": 19,
"coredns.io._request_per_status_dropped": 0,
"coredns.io._request_per_status_processed": 0,
"coredns.io._request_per_type_A": 6,
"coredns.io._request_per_type_AAAA": 6,
"coredns.io._request_per_type_ANY": 0,
"coredns.io._request_per_type_CNAME": 0,
"coredns.io._request_per_type_DNSKEY": 0,
"coredns.io._request_per_type_DS": 0,
"coredns.io._request_per_type_IXFR": 0,
"coredns.io._request_per_type_MX": 7,
"coredns.io._request_per_type_NS": 0,
"coredns.io._request_per_type_NSEC": 0,
"coredns.io._request_per_type_NSEC3": 0,
"coredns.io._request_per_type_PTR": 0,
"coredns.io._request_per_type_RRSIG": 0,
"coredns.io._request_per_type_SOA": 0,
"coredns.io._request_per_type_SRV": 0,
"coredns.io._request_per_type_TXT": 0,
"coredns.io._request_per_type_other": 0,
"coredns.io._request_total": 19,
"coredns.io._response_per_rcode_BADALG": 0,
"coredns.io._response_per_rcode_BADCOOKIE": 0,
"coredns.io._response_per_rcode_BADKEY": 0,
"coredns.io._response_per_rcode_BADMODE": 0,
"coredns.io._response_per_rcode_BADNAME": 0,
"coredns.io._response_per_rcode_BADSIG": 0,
"coredns.io._response_per_rcode_BADTIME": 0,
"coredns.io._response_per_rcode_BADTRUNC": 0,
"coredns.io._response_per_rcode_FORMERR": 0,
"coredns.io._response_per_rcode_NOERROR": 19,
"coredns.io._response_per_rcode_NOTAUTH": 0,
"coredns.io._response_per_rcode_NOTIMP": 0,
"coredns.io._response_per_rcode_NOTZONE": 0,
"coredns.io._response_per_rcode_NXDOMAIN": 0,
"coredns.io._response_per_rcode_NXRRSET": 0,
"coredns.io._response_per_rcode_REFUSED": 0,
"coredns.io._response_per_rcode_SERVFAIL": 0,
"coredns.io._response_per_rcode_YXDOMAIN": 0,
"coredns.io._response_per_rcode_YXRRSET": 0,
"coredns.io._response_per_rcode_other": 0,
"coredns.io._response_total": 19,
"dns://:53_request_per_ip_family_v4": 15,
"dns://:53_request_per_ip_family_v6": 0,
"dns://:53_request_per_proto_tcp": 0,
"dns://:53_request_per_proto_udp": 15,
"dns://:53_request_per_status_dropped": 9,
"dns://:53_request_per_status_processed": 6,
"dns://:53_request_per_type_A": 5,
"dns://:53_request_per_type_AAAA": 5,
"dns://:53_request_per_type_ANY": 0,
"dns://:53_request_per_type_CNAME": 0,
"dns://:53_request_per_type_DNSKEY": 0,
"dns://:53_request_per_type_DS": 0,
"dns://:53_request_per_type_IXFR": 0,
"dns://:53_request_per_type_MX": 5,
"dns://:53_request_per_type_NS": 0,
"dns://:53_request_per_type_NSEC": 0,
"dns://:53_request_per_type_NSEC3": 0,
"dns://:53_request_per_type_PTR": 0,
"dns://:53_request_per_type_RRSIG": 0,
"dns://:53_request_per_type_SOA": 0,
"dns://:53_request_per_type_SRV": 0,
"dns://:53_request_per_type_TXT": 0,
"dns://:53_request_per_type_other": 0,
"dns://:53_request_total": 15,
"dns://:53_response_per_rcode_BADALG": 0,
"dns://:53_response_per_rcode_BADCOOKIE": 0,
"dns://:53_response_per_rcode_BADKEY": 0,
"dns://:53_response_per_rcode_BADMODE": 0,
"dns://:53_response_per_rcode_BADNAME": 0,
"dns://:53_response_per_rcode_BADSIG": 0,
"dns://:53_response_per_rcode_BADTIME": 0,
"dns://:53_response_per_rcode_BADTRUNC": 0,
"dns://:53_response_per_rcode_FORMERR": 0,
"dns://:53_response_per_rcode_NOERROR": 6,
"dns://:53_response_per_rcode_NOTAUTH": 0,
"dns://:53_response_per_rcode_NOTIMP": 0,
"dns://:53_response_per_rcode_NOTZONE": 0,
"dns://:53_response_per_rcode_NXDOMAIN": 0,
"dns://:53_response_per_rcode_NXRRSET": 0,
"dns://:53_response_per_rcode_REFUSED": 0,
"dns://:53_response_per_rcode_SERVFAIL": 9,
"dns://:53_response_per_rcode_YXDOMAIN": 0,
"dns://:53_response_per_rcode_YXRRSET": 0,
"dns://:53_response_per_rcode_other": 0,
"dns://:53_response_total": 15,
"dns://:54_request_per_ip_family_v4": 25,
"dns://:54_request_per_ip_family_v6": 0,
"dns://:54_request_per_proto_tcp": 0,
"dns://:54_request_per_proto_udp": 25,
"dns://:54_request_per_status_dropped": 12,
"dns://:54_request_per_status_processed": 13,
"dns://:54_request_per_type_A": 8,
"dns://:54_request_per_type_AAAA": 8,
"dns://:54_request_per_type_ANY": 0,
"dns://:54_request_per_type_CNAME": 0,
"dns://:54_request_per_type_DNSKEY": 0,
"dns://:54_request_per_type_DS": 0,
"dns://:54_request_per_type_IXFR": 0,
"dns://:54_request_per_type_MX": 9,
"dns://:54_request_per_type_NS": 0,
"dns://:54_request_per_type_NSEC": 0,
"dns://:54_request_per_type_NSEC3": 0,
"dns://:54_request_per_type_PTR": 0,
"dns://:54_request_per_type_RRSIG": 0,
"dns://:54_request_per_type_SOA": 0,
"dns://:54_request_per_type_SRV": 0,
"dns://:54_request_per_type_TXT": 0,
"dns://:54_request_per_type_other": 0,
"dns://:54_request_total": 25,
"dns://:54_response_per_rcode_BADALG": 0,
"dns://:54_response_per_rcode_BADCOOKIE": 0,
"dns://:54_response_per_rcode_BADKEY": 0,
"dns://:54_response_per_rcode_BADMODE": 0,
"dns://:54_response_per_rcode_BADNAME": 0,
"dns://:54_response_per_rcode_BADSIG": 0,
"dns://:54_response_per_rcode_BADTIME": 0,
"dns://:54_response_per_rcode_BADTRUNC": 0,
"dns://:54_response_per_rcode_FORMERR": 0,
"dns://:54_response_per_rcode_NOERROR": 13,
"dns://:54_response_per_rcode_NOTAUTH": 0,
"dns://:54_response_per_rcode_NOTIMP": 0,
"dns://:54_response_per_rcode_NOTZONE": 0,
"dns://:54_response_per_rcode_NXDOMAIN": 0,
"dns://:54_response_per_rcode_NXRRSET": 0,
"dns://:54_response_per_rcode_REFUSED": 0,
"dns://:54_response_per_rcode_SERVFAIL": 12,
"dns://:54_response_per_rcode_YXDOMAIN": 0,
"dns://:54_response_per_rcode_YXRRSET": 0,
"dns://:54_response_per_rcode_other": 0,
"dns://:54_response_total": 25,
"dropped_request_per_ip_family_v4": 42,
"dropped_request_per_ip_family_v6": 0,
"dropped_request_per_proto_tcp": 0,
"dropped_request_per_proto_udp": 42,
"dropped_request_per_status_dropped": 0,
"dropped_request_per_status_processed": 0,
"dropped_request_per_type_A": 14,
"dropped_request_per_type_AAAA": 14,
"dropped_request_per_type_ANY": 0,
"dropped_request_per_type_CNAME": 0,
"dropped_request_per_type_DNSKEY": 0,
"dropped_request_per_type_DS": 0,
"dropped_request_per_type_IXFR": 0,
"dropped_request_per_type_MX": 14,
"dropped_request_per_type_NS": 0,
"dropped_request_per_type_NSEC": 0,
"dropped_request_per_type_NSEC3": 0,
"dropped_request_per_type_PTR": 0,
"dropped_request_per_type_RRSIG": 0,
"dropped_request_per_type_SOA": 0,
"dropped_request_per_type_SRV": 0,
"dropped_request_per_type_TXT": 0,
"dropped_request_per_type_other": 0,
"dropped_request_total": 42,
"dropped_response_per_rcode_BADALG": 0,
"dropped_response_per_rcode_BADCOOKIE": 0,
"dropped_response_per_rcode_BADKEY": 0,
"dropped_response_per_rcode_BADMODE": 0,
"dropped_response_per_rcode_BADNAME": 0,
"dropped_response_per_rcode_BADSIG": 0,
"dropped_response_per_rcode_BADTIME": 0,
"dropped_response_per_rcode_BADTRUNC": 0,
"dropped_response_per_rcode_FORMERR": 0,
"dropped_response_per_rcode_NOERROR": 0,
"dropped_response_per_rcode_NOTAUTH": 0,
"dropped_response_per_rcode_NOTIMP": 0,
"dropped_response_per_rcode_NOTZONE": 0,
"dropped_response_per_rcode_NXDOMAIN": 0,
"dropped_response_per_rcode_NXRRSET": 0,
"dropped_response_per_rcode_REFUSED": 21,
"dropped_response_per_rcode_SERVFAIL": 21,
"dropped_response_per_rcode_YXDOMAIN": 0,
"dropped_response_per_rcode_YXRRSET": 0,
"dropped_response_per_rcode_other": 0,
"dropped_response_total": 42,
"empty_request_per_ip_family_v4": 21,
"empty_request_per_ip_family_v6": 0,
"empty_request_per_proto_tcp": 0,
"empty_request_per_proto_udp": 21,
"empty_request_per_status_dropped": 21,
"empty_request_per_status_processed": 0,
"empty_request_per_type_A": 7,
"empty_request_per_type_AAAA": 7,
"empty_request_per_type_ANY": 0,
"empty_request_per_type_CNAME": 0,
"empty_request_per_type_DNSKEY": 0,
"empty_request_per_type_DS": 0,
"empty_request_per_type_IXFR": 0,
"empty_request_per_type_MX": 7,
"empty_request_per_type_NS": 0,
"empty_request_per_type_NSEC": 0,
"empty_request_per_type_NSEC3": 0,
"empty_request_per_type_PTR": 0,
"empty_request_per_type_RRSIG": 0,
"empty_request_per_type_SOA": 0,
"empty_request_per_type_SRV": 0,
"empty_request_per_type_TXT": 0,
"empty_request_per_type_other": 0,
"empty_request_total": 21,
"empty_response_per_rcode_BADALG": 0,
"empty_response_per_rcode_BADCOOKIE": 0,
"empty_response_per_rcode_BADKEY": 0,
"empty_response_per_rcode_BADMODE": 0,
"empty_response_per_rcode_BADNAME": 0,
"empty_response_per_rcode_BADSIG": 0,
"empty_response_per_rcode_BADTIME": 0,
"empty_response_per_rcode_BADTRUNC": 0,
"empty_response_per_rcode_FORMERR": 0,
"empty_response_per_rcode_NOERROR": 0,
"empty_response_per_rcode_NOTAUTH": 0,
"empty_response_per_rcode_NOTIMP": 0,
"empty_response_per_rcode_NOTZONE": 0,
"empty_response_per_rcode_NXDOMAIN": 0,
"empty_response_per_rcode_NXRRSET": 0,
"empty_response_per_rcode_REFUSED": 21,
"empty_response_per_rcode_SERVFAIL": 0,
"empty_response_per_rcode_YXDOMAIN": 0,
"empty_response_per_rcode_YXRRSET": 0,
"empty_response_per_rcode_other": 0,
"empty_response_total": 21,
"no_matching_zone_dropped_total": 21,
"panic_total": 0,
"request_per_ip_family_v4": 61,
"request_per_ip_family_v6": 0,
"request_per_proto_tcp": 0,
"request_per_proto_udp": 61,
"request_per_status_dropped": 42,
"request_per_status_processed": 19,
"request_per_type_A": 20,
"request_per_type_AAAA": 20,
"request_per_type_ANY": 0,
"request_per_type_CNAME": 0,
"request_per_type_DNSKEY": 0,
"request_per_type_DS": 0,
"request_per_type_IXFR": 0,
"request_per_type_MX": 21,
"request_per_type_NS": 0,
"request_per_type_NSEC": 0,
"request_per_type_NSEC3": 0,
"request_per_type_PTR": 0,
"request_per_type_RRSIG": 0,
"request_per_type_SOA": 0,
"request_per_type_SRV": 0,
"request_per_type_TXT": 0,
"request_per_type_other": 0,
"request_total": 61,
"response_per_rcode_BADALG": 0,
"response_per_rcode_BADCOOKIE": 0,
"response_per_rcode_BADKEY": 0,
"response_per_rcode_BADMODE": 0,
"response_per_rcode_BADNAME": 0,
"response_per_rcode_BADSIG": 0,
"response_per_rcode_BADTIME": 0,
"response_per_rcode_BADTRUNC": 0,
"response_per_rcode_FORMERR": 0,
"response_per_rcode_NOERROR": 19,
"response_per_rcode_NOTAUTH": 0,
"response_per_rcode_NOTIMP": 0,
"response_per_rcode_NOTZONE": 0,
"response_per_rcode_NXDOMAIN": 0,
"response_per_rcode_NXRRSET": 0,
"response_per_rcode_REFUSED": 21,
"response_per_rcode_SERVFAIL": 21,
"response_per_rcode_YXDOMAIN": 0,
"response_per_rcode_YXRRSET": 0,
"response_per_rcode_other": 0,
"response_total": 61,
"ya.ru._request_per_ip_family_v4": 21,
"ya.ru._request_per_ip_family_v6": 0,
"ya.ru._request_per_proto_tcp": 0,
"ya.ru._request_per_proto_udp": 21,
"ya.ru._request_per_status_dropped": 0,
"ya.ru._request_per_status_processed": 0,
"ya.ru._request_per_type_A": 7,
"ya.ru._request_per_type_AAAA": 7,
"ya.ru._request_per_type_ANY": 0,
"ya.ru._request_per_type_CNAME": 0,
"ya.ru._request_per_type_DNSKEY": 0,
"ya.ru._request_per_type_DS": 0,
"ya.ru._request_per_type_IXFR": 0,
"ya.ru._request_per_type_MX": 7,
"ya.ru._request_per_type_NS": 0,
"ya.ru._request_per_type_NSEC": 0,
"ya.ru._request_per_type_NSEC3": 0,
"ya.ru._request_per_type_PTR": 0,
"ya.ru._request_per_type_RRSIG": 0,
"ya.ru._request_per_type_SOA": 0,
"ya.ru._request_per_type_SRV": 0,
"ya.ru._request_per_type_TXT": 0,
"ya.ru._request_per_type_other": 0,
"ya.ru._request_total": 21,
"ya.ru._response_per_rcode_BADALG": 0,
"ya.ru._response_per_rcode_BADCOOKIE": 0,
"ya.ru._response_per_rcode_BADKEY": 0,
"ya.ru._response_per_rcode_BADMODE": 0,
"ya.ru._response_per_rcode_BADNAME": 0,
"ya.ru._response_per_rcode_BADSIG": 0,
"ya.ru._response_per_rcode_BADTIME": 0,
"ya.ru._response_per_rcode_BADTRUNC": 0,
"ya.ru._response_per_rcode_FORMERR": 0,
"ya.ru._response_per_rcode_NOERROR": 0,
"ya.ru._response_per_rcode_NOTAUTH": 0,
"ya.ru._response_per_rcode_NOTIMP": 0,
"ya.ru._response_per_rcode_NOTZONE": 0,
"ya.ru._response_per_rcode_NXDOMAIN": 0,
"ya.ru._response_per_rcode_NXRRSET": 0,
"ya.ru._response_per_rcode_REFUSED": 0,
"ya.ru._response_per_rcode_SERVFAIL": 21,
"ya.ru._response_per_rcode_YXDOMAIN": 0,
"ya.ru._response_per_rcode_YXRRSET": 0,
"ya.ru._response_per_rcode_other": 0,
"ya.ru._response_total": 21,
}
assert.Equal(t, expected, job.Collect())
})
}
}
func TestCoreDNS_CollectNoLoad(t *testing.T) {
tests := []struct {
name string
data []byte
}{
{"version 1.6.9", dataVer169NoLoad},
{"version 1.7.0", dataVer170NoLoad},
}
for _, testNoLoad := range tests {
t.Run(testNoLoad.name, func(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(testNoLoad.data)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
job.PerServerStats.Includes = []string{"glob:*"}
job.PerZoneStats.Includes = []string{"glob:*"}
require.NoError(t, job.Init())
require.NoError(t, job.Check())
expected := map[string]int64{
"no_matching_zone_dropped_total": 0,
"panic_total": 99,
"request_per_ip_family_v4": 0,
"request_per_ip_family_v6": 0,
"request_per_proto_tcp": 0,
"request_per_proto_udp": 0,
"request_per_status_dropped": 0,
"request_per_status_processed": 0,
"request_per_type_A": 0,
"request_per_type_AAAA": 0,
"request_per_type_ANY": 0,
"request_per_type_CNAME": 0,
"request_per_type_DNSKEY": 0,
"request_per_type_DS": 0,
"request_per_type_IXFR": 0,
"request_per_type_MX": 0,
"request_per_type_NS": 0,
"request_per_type_NSEC": 0,
"request_per_type_NSEC3": 0,
"request_per_type_PTR": 0,
"request_per_type_RRSIG": 0,
"request_per_type_SOA": 0,
"request_per_type_SRV": 0,
"request_per_type_TXT": 0,
"request_per_type_other": 0,
"request_total": 0,
"response_per_rcode_BADALG": 0,
"response_per_rcode_BADCOOKIE": 0,
"response_per_rcode_BADKEY": 0,
"response_per_rcode_BADMODE": 0,
"response_per_rcode_BADNAME": 0,
"response_per_rcode_BADSIG": 0,
"response_per_rcode_BADTIME": 0,
"response_per_rcode_BADTRUNC": 0,
"response_per_rcode_FORMERR": 0,
"response_per_rcode_NOERROR": 0,
"response_per_rcode_NOTAUTH": 0,
"response_per_rcode_NOTIMP": 0,
"response_per_rcode_NOTZONE": 0,
"response_per_rcode_NXDOMAIN": 0,
"response_per_rcode_NXRRSET": 0,
"response_per_rcode_REFUSED": 0,
"response_per_rcode_SERVFAIL": 0,
"response_per_rcode_YXDOMAIN": 0,
"response_per_rcode_YXRRSET": 0,
"response_per_rcode_other": 0,
"response_total": 0,
}
assert.Equal(t, expected, job.Collect())
})
}
}
func TestCoreDNS_InvalidData(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte("hello and goodbye"))
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
assert.Error(t, job.Check())
}
func TestCoreDNS_404(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
require.NoError(t, job.Init())
assert.Error(t, job.Check())
}
func TestCoreDNS_CollectNoVersion(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write(dataNoLoadNoVersion)
}))
defer ts.Close()
job := New()
job.URL = ts.URL + "/metrics"
job.PerServerStats.Includes = []string{"glob:*"}
job.PerZoneStats.Includes = []string{"glob:*"}
require.NoError(t, job.Init())
require.Error(t, job.Check())
assert.Nil(t, job.Collect())
}
|
