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prometheus/discovery/linode/mock_test.go

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// Copyright 2021 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package linode
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
)
// SDMock is the interface for the Linode mock
type SDMock struct {
t *testing.T
Server *httptest.Server
Mux *http.ServeMux
}
// NewSDMock returns a new SDMock.
func NewSDMock(t *testing.T) *SDMock {
return &SDMock{
t: t,
}
}
// Endpoint returns the URI to the mock server
func (m *SDMock) Endpoint() string {
return m.Server.URL + "/"
}
// Setup creates the mock server
func (m *SDMock) Setup() {
m.Mux = http.NewServeMux()
m.Server = httptest.NewServer(m.Mux)
}
// ShutdownServer creates the mock server
func (m *SDMock) ShutdownServer() {
m.Server.Close()
}
const tokenID = "7b2c56dd51edd90952c1b94c472b94b176f20c5c777e376849edd8ad1c6c03bb"
// HandleLinodeInstancesList mocks linode instances list.
func (m *SDMock) HandleLinodeInstancesList() {
m.Mux.HandleFunc("/v4/linode/instances", func(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("Authorization") != fmt.Sprintf("Bearer %s", tokenID) {
w.WriteHeader(http.StatusUnauthorized)
return
}
w.Header().Set("content-type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
fmt.Fprint(w, `
{
"data": [
{
"id": 26838044,
"label": "prometheus-linode-sd-exporter-1",
"group": "",
"status": "running",
"created": "2021-05-12T04:23:44",
"updated": "2021-05-12T04:23:44",
"type": "g6-standard-2",
"ipv4": [
"45.33.82.151",
"96.126.108.16",
"192.168.170.51",
"192.168.201.25"
],
"ipv6": "2600:3c03::f03c:92ff:fe1a:1382/128",
"image": "linode/arch",
"region": "us-east",
"specs": {
"disk": 81920,
"memory": 4096,
"vcpus": 2,
"gpus": 0,
"transfer": 4000
},
"alerts": {
"cpu": 180,
"network_in": 10,
"network_out": 10,
"transfer_quota": 80,
"io": 10000
},
"backups": {
"enabled": false,
"schedule": {
"day": null,
"window": null
},
"last_successful": null
},
"hypervisor": "kvm",
"watchdog_enabled": true,
"tags": [
"monitoring"
]
},
{
"id": 26848419,
"label": "prometheus-linode-sd-exporter-2",
"group": "",
"status": "running",
"created": "2021-05-12T12:41:49",
"updated": "2021-05-12T12:41:49",
"type": "g6-standard-2",
"ipv4": [
"139.162.196.43"
],
"ipv6": "2a01:7e00::f03c:92ff:fe1a:9976/128",
"image": "linode/debian10",
"region": "eu-west",
"specs": {
"disk": 81920,
"memory": 4096,
"vcpus": 2,
"gpus": 0,
"transfer": 4000
},
"alerts": {
"cpu": 180,
"network_in": 10,
"network_out": 10,
"transfer_quota": 80,
"io": 10000
},
"backups": {
"enabled": false,
"schedule": {
"day": null,
"window": null
},
"last_successful": null
},
"hypervisor": "kvm",
"watchdog_enabled": true,
"tags": [
"monitoring"
]
},
{
"id": 26837938,
"label": "prometheus-linode-sd-exporter-3",
"group": "",
"status": "running",
"created": "2021-05-12T04:20:11",
"updated": "2021-05-12T04:20:11",
"type": "g6-standard-1",
"ipv4": [
"192.53.120.25"
],
"ipv6": "2600:3c04::f03c:92ff:fe1a:fb68/128",
"image": "linode/ubuntu20.04",
"region": "ca-central",
"specs": {
"disk": 51200,
"memory": 2048,
"vcpus": 1,
"gpus": 0,
"transfer": 2000
},
"alerts": {
"cpu": 90,
"network_in": 10,
"network_out": 10,
"transfer_quota": 80,
"io": 10000
},
"backups": {
"enabled": false,
"schedule": {
"day": null,
"window": null
},
"last_successful": null
},
"hypervisor": "kvm",
"watchdog_enabled": true,
"tags": [
"monitoring"
]
},
{
"id": 26837992,
"label": "prometheus-linode-sd-exporter-4",
"group": "",
"status": "running",
"created": "2021-05-12T04:22:06",
"updated": "2021-05-12T04:22:06",
"type": "g6-nanode-1",
"ipv4": [
"66.228.47.103",
"172.104.18.104",
"192.168.148.94"
],
"ipv6": "2600:3c03::f03c:92ff:fe1a:fb4c/128",
"image": "linode/ubuntu20.04",
"region": "us-east",
"specs": {
"disk": 25600,
"memory": 1024,
"vcpus": 1,
"gpus": 0,
"transfer": 1000
},
"alerts": {
"cpu": 90,
"network_in": 10,
"network_out": 10,
"transfer_quota": 80,
"io": 10000
},
"backups": {
"enabled": false,
"schedule": {
"day": null,
"window": null
},
"last_successful": null
},
"hypervisor": "kvm",
"watchdog_enabled": true,
"tags": [
"monitoring"
]
}
],
"page": 1,
"pages": 1,
"results": 4
}`,
)
})
}
// HandleLinodeNeworkingIPs mocks linode networking ips endpoint.
func (m *SDMock) HandleLinodeNeworkingIPs() {
m.Mux.HandleFunc("/v4/networking/ips", func(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("Authorization") != fmt.Sprintf("Bearer %s", tokenID) {
w.WriteHeader(http.StatusUnauthorized)
return
}
w.Header().Set("content-type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
fmt.Fprint(w, `
{
"page": 1,
"pages": 1,
"results": 13,
"data": [
{
"address": "192.53.120.25",
"gateway": "192.53.120.1",
"subnet_mask": "255.255.255.0",
"prefix": 24,
"type": "ipv4",
"public": true,
"rdns": "li2216-25.members.linode.com",
"linode_id": 26837938,
"region": "ca-central"
},
{
"address": "66.228.47.103",
"gateway": "66.228.47.1",
"subnet_mask": "255.255.255.0",
"prefix": 24,
"type": "ipv4",
"public": true,
"rdns": "li328-103.members.linode.com",
"linode_id": 26837992,
"region": "us-east"
},
{
"address": "172.104.18.104",
"gateway": "172.104.18.1",
"subnet_mask": "255.255.255.0",
"prefix": 24,
"type": "ipv4",
"public": true,
"rdns": "li1832-104.members.linode.com",
"linode_id": 26837992,
"region": "us-east"
},
{
"address": "192.168.148.94",
"gateway": null,
"subnet_mask": "255.255.128.0",
"prefix": 17,
"type": "ipv4",
"public": false,
"rdns": null,
"linode_id": 26837992,
"region": "us-east"
},
{
"address": "192.168.170.51",
"gateway": null,
"subnet_mask": "255.255.128.0",
"prefix": 17,
"type": "ipv4",
"public": false,
"rdns": null,
"linode_id": 26838044,
"region": "us-east"
},
{
"address": "96.126.108.16",
"gateway": "96.126.108.1",
"subnet_mask": "255.255.255.0",
"prefix": 24,
"type": "ipv4",
"public": true,
"rdns": "li365-16.members.linode.com",
"linode_id": 26838044,
"region": "us-east"
},
{
"address": "45.33.82.151",
"gateway": "45.33.82.1",
"subnet_mask": "255.255.255.0",
"prefix": 24,
"type": "ipv4",
"public": true,
"rdns": "li1028-151.members.linode.com",
"linode_id": 26838044,
"region": "us-east"
},
{
"address": "192.168.201.25",
"gateway": null,
"subnet_mask": "255.255.128.0",
"prefix": 17,
"type": "ipv4",
"public": false,
"rdns": null,
"linode_id": 26838044,
"region": "us-east"
},
{
"address": "139.162.196.43",
"gateway": "139.162.196.1",
"subnet_mask": "255.255.255.0",
"prefix": 24,
"type": "ipv4",
"public": true,
"rdns": "li1359-43.members.linode.com",
"linode_id": 26848419,
"region": "eu-west"
},
{
"address": "2600:3c04::f03c:92ff:fe1a:fb68",
"gateway": "fe80::1",
"subnet_mask": "ffff:ffff:ffff:ffff::",
"prefix": 64,
"type": "ipv6",
"rdns": null,
"linode_id": 26837938,
"region": "ca-central",
"public": true
},
{
"address": "2600:3c03::f03c:92ff:fe1a:fb4c",
"gateway": "fe80::1",
"subnet_mask": "ffff:ffff:ffff:ffff::",
"prefix": 64,
"type": "ipv6",
"rdns": null,
"linode_id": 26837992,
"region": "us-east",
"public": true
},
{
"address": "2600:3c03::f03c:92ff:fe1a:1382",
"gateway": "fe80::1",
"subnet_mask": "ffff:ffff:ffff:ffff::",
"prefix": 64,
"type": "ipv6",
"rdns": null,
"linode_id": 26838044,
"region": "us-east",
"public": true
},
{
"address": "2a01:7e00::f03c:92ff:fe1a:9976",
"gateway": "fe80::1",
"subnet_mask": "ffff:ffff:ffff:ffff::",
"prefix": 64,
"type": "ipv6",
"rdns": null,
"linode_id": 26848419,
"region": "eu-west",
"public": true
}
]
}`,
)
})
}
// HandleLinodeAccountEvents mocks linode the account/events endpoint.
func (m *SDMock) HandleLinodeAccountEvents() {
m.Mux.HandleFunc("/v4/account/events", func(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("Authorization") != fmt.Sprintf("Bearer %s", tokenID) {
w.WriteHeader(http.StatusUnauthorized)
return
}
if r.Header.Get("X-Filter") == "" {
// This should never happen; if the client sends an events request without
// a filter, cause it to fail. The error below is not a real response from
// the API, but should aid in debugging failed tests.
w.WriteHeader(http.StatusBadRequest)
fmt.Fprint(w, `
{
"errors": [
{
"reason": "Request missing expected X-Filter headers"
}
]
}`,
)
return
}
w.Header().Set("content-type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
fmt.Fprint(w, `
{
"data": [],
"results": 0,
"pages": 1,
"page": 1
}`,
)
})
}
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