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apache_exporter/apache_exporter_test.go
Daniel Swarbrick 24b33e80e3
Update to latest Prometheus dependencies (#225) 
The Prometheus ecosystem is moving away from go-kit/log, and instead
adopting the Go standard library log/slog.

prometheus/exporter-toolkit v0.13.0 introduced a
non-backwards-compatible change, requiring exporters to supply a
*slog.Logger to the web.ListenAndServe() function.

The end-user changes are minimal. Logging is still in logfmt by default,
albeit with some minor changes:
- "ts" (timestamp) field is now "time", and expressed in local time with
  timezone offset (previously it was UTC)
- "caller" field is replaced by "source", which is also now more
  verbose, with a fully qualified path
- "level" field values are now capitalized, e.g. "INFO"

Signed-off-by: Daniel Swarbrick <daniel.swarbrick@gmail.com>
2024-09-19 08:46:06 -07:00

327 lines
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// Copyright (c) 2015 neezgee
//
// Licensed under the MIT license: https://opensource.org/licenses/MIT
// Permission is granted to use, copy, modify, and redistribute the work.
// Full license information available in the project LICENSE file.
//
package main
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/Lusitaniae/apache_exporter/collector"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/common/promslog"
)
const (
apache24EventStatus = `localhost
ServerVersion: Apache/2.4.23 (Unix)
ServerMPM: event
Server Built: Jul 29 2016 04:26:14
CurrentTime: Friday, 29-Jul-2016 14:06:15 UTC
RestartTime: Friday, 29-Jul-2016 13:58:49 UTC
ParentServerConfigGeneration: 1
ParentServerMPMGeneration: 0
ServerUptimeSeconds: 445
ServerUptime: 7 minutes 25 seconds
Load1: 0.02
Load5: 0.02
Load15: 0.00
Total Accesses: 131
Total kBytes: 138
Total Duration: 12930
CPUUser: .25
CPUSystem: .15
CPUChildrenUser: 0
CPUChildrenSystem: 0
CPULoad: .0898876
Uptime: 445
ReqPerSec: .294382
BytesPerSec: 317.555
BytesPerReq: 1078.72
DurationPerReq: 98.7022
BusyWorkers: 1
IdleWorkers: 74
Processes: 5
Stopping: 0
ConnsTotal: 0
ConnsAsyncWriting: 0
ConnsAsyncKeepAlive: 0
ConnsAsyncClosing: 0
Scoreboard: _W___
`
apache24EventTLSStatus = `localhost
ServerVersion: Apache/2.4.23 (Unix)
ServerMPM: event
Server Built: Jul 29 2016 04:26:14
CurrentTime: Friday, 29-Jul-2016 14:06:15 UTC
RestartTime: Friday, 29-Jul-2016 13:58:49 UTC
ParentServerConfigGeneration: 1
ParentServerMPMGeneration: 0
ServerUptimeSeconds: 445
ServerUptime: 7 minutes 25 seconds
Load1: 0.02
Load5: 0.02
Load15: 0.00
Total Accesses: 131
Total kBytes: 138
Total Duration: 12930
CPUUser: .25
CPUSystem: .15
CPUChildrenUser: 0
CPUChildrenSystem: 0
CPULoad: .0898876
Uptime: 445
ReqPerSec: .294382
BytesPerSec: 317.555
BytesPerReq: 1078.72
DurationPerReq: 98.7022
BusyWorkers: 1
IdleWorkers: 74
Processes: 5
Stopping: 0
ConnsTotal: 0
ConnsAsyncWriting: 0
ConnsAsyncKeepAlive: 0
ConnsAsyncClosing: 0
Scoreboard: _W___
TLSSessionCacheStatus
CacheType: SHMCB
CacheSharedMemory: 512000
CacheCurrentEntries: 0
CacheSubcaches: 32
CacheIndexesPerSubcaches: 88
CacheIndexUsage: 0%
CacheUsage: 0%
CacheStoreCount: 0
CacheReplaceCount: 0
CacheExpireCount: 0
CacheDiscardCount: 0
CacheRetrieveHitCount: 0
CacheRetrieveMissCount: 1
CacheRemoveHitCount: 0
CacheRemoveMissCount: 0
`
apache24EventProxyStatus = `localhost
ServerVersion: Apache/2.4.23 (Unix)
ServerMPM: event
Server Built: Jul 29 2016 04:26:14
CurrentTime: Friday, 29-Jul-2016 14:06:15 UTC
RestartTime: Friday, 29-Jul-2016 13:58:49 UTC
ParentServerConfigGeneration: 1
ParentServerMPMGeneration: 0
ServerUptimeSeconds: 445
ServerUptime: 7 minutes 25 seconds
Load1: 0.02
Load5: 0.02
Load15: 0.00
Total Accesses: 131
Total kBytes: 138
Total Duration: 12930
CPUUser: .25
CPUSystem: .15
CPUChildrenUser: 0
CPUChildrenSystem: 0
CPULoad: .0898876
Uptime: 445
ReqPerSec: .294382
BytesPerSec: 317.555
BytesPerReq: 1078.72
DurationPerReq: 98.7022
BusyWorkers: 1
IdleWorkers: 74
Processes: 5
Stopping: 0
ConnsTotal: 0
ConnsAsyncWriting: 0
ConnsAsyncKeepAlive: 0
ConnsAsyncClosing: 0
Scoreboard: _W___
ProxyBalancer[0]Name: balancer://myproxy1
ProxyBalancer[0]Worker[0]Name: https://app-01:9143
ProxyBalancer[0]Worker[0]Status: Init Ok
ProxyBalancer[0]Worker[0]Elected: 5808
ProxyBalancer[0]Worker[0]Busy: 0
ProxyBalancer[0]Worker[0]Sent: 5588K
ProxyBalancer[0]Worker[0]Rcvd: 8335K
ProxyBalancer[0]Worker[1]Name: https://app-02:9143
ProxyBalancer[0]Worker[1]Status: Init Ok
ProxyBalancer[0]Worker[1]Elected: 5722
ProxyBalancer[0]Worker[1]Busy: 0
ProxyBalancer[0]Worker[1]Sent: 5167K
ProxyBalancer[0]Worker[1]Rcvd: 8267K
ProxyBalancer[0]Worker[2]Name: https://app-03:9143
ProxyBalancer[0]Worker[2]Status: Init Ok
ProxyBalancer[0]Worker[2]Elected: 5842
ProxyBalancer[0]Worker[2]Busy: 0
ProxyBalancer[0]Worker[2]Sent: 5432K
ProxyBalancer[0]Worker[2]Rcvd: 8367K
ProxyBalancer[0]Worker[3]Name: https://app-04:9143
ProxyBalancer[0]Worker[3]Status: Init Ok
ProxyBalancer[0]Worker[3]Elected: 5720
ProxyBalancer[0]Worker[3]Busy: 0
ProxyBalancer[0]Worker[3]Sent: 5576K
ProxyBalancer[0]Worker[3]Rcvd: 8175K
ProxyBalancer[1]Name: balancer://myproxy2
ProxyBalancer[1]Worker[0]Name: https://app-01:8143
ProxyBalancer[1]Worker[0]Status: Init Ok
ProxyBalancer[1]Worker[0]Elected: 5808
ProxyBalancer[1]Worker[0]Busy: 0
ProxyBalancer[1]Worker[0]Sent: 5588K
ProxyBalancer[1]Worker[0]Rcvd: 8335K
ProxyBalancer[1]Worker[1]Name: https://app-02:8143
ProxyBalancer[1]Worker[1]Status: Init Ok
ProxyBalancer[1]Worker[1]Elected: 5722
ProxyBalancer[1]Worker[1]Busy: 0
ProxyBalancer[1]Worker[1]Sent: 5167K
ProxyBalancer[1]Worker[1]Rcvd: 8267K
`
apache24WorkerStatus = `localhost
ServerVersion: Apache/2.4.23 (Unix) OpenSSL/1.0.2h
ServerMPM: worker
Server Built: Aug 31 2016 10:54:08
CurrentTime: Thursday, 08-Sep-2016 15:09:32 CEST
RestartTime: Thursday, 08-Sep-2016 15:08:07 CEST
ParentServerConfigGeneration: 1
ParentServerMPMGeneration: 0
ServerUptimeSeconds: 85
ServerUptime: 1 minute 25 seconds
Load1: 0.00
Load5: 0.01
Load15: 0.05
Total Accesses: 10
Total kBytes: 38
Total Duration: 12930
CPUUser: .05
CPUSystem: 0
CPUChildrenUser: 0
CPUChildrenSystem: 0
CPULoad: .0588235
Uptime: 85
ReqPerSec: .117647
BytesPerSec: 457.788
BytesPerReq: 3891.2
DurationPerReq: 1293.00
BusyWorkers: 2
IdleWorkers: 48
Scoreboard: _____R_______________________K____________________....................................................................................................
`
apache24PreforkStatus = `localhost
ServerVersion: Apache/2.4.23 (Unix) OpenSSL/1.0.2h
ServerMPM: prefork
Server Built: Aug 31 2016 10:54:08
CurrentTime: Thursday, 08-Sep-2016 15:09:32 CEST
RestartTime: Thursday, 08-Sep-2016 15:08:07 CEST
ParentServerConfigGeneration: 1
ParentServerMPMGeneration: 0
ServerUptimeSeconds: 85
ServerUptime: 1 minute 25 seconds
Load1: 0.00
Load5: 0.01
Load15: 0.05
Total Accesses: 10
Total kBytes: 38
Total Duration: 12930
CPUUser: .05
CPUSystem: 0
CPUChildrenUser: 0
CPUChildrenSystem: 0
CPULoad: .0588235
Uptime: 85
ReqPerSec: .117647
BytesPerSec: 457.788
BytesPerReq: 3891.2
DurationPerReq: 1293.00
BusyWorkers: 2
IdleWorkers: 48
Scoreboard: _____R_______________________K____________________....................................................................................................
`
apache22Status = `Total Accesses: 302311
Total kBytes: 1677830
CPULoad: 27.4052
Uptime: 45683
ReqPerSec: 6.61758
BytesPerSec: 37609.1
BytesPerReq: 5683.21
BusyWorkers: 2
IdleWorkers: 8
Scoreboard: _W_______K......................................................................................................................................................................................................................................................
`
metricCountApache22 = 19
metricCountApache24Event = 34
metricCountApache24EventTLS = 34
metricCountApache24EventProxy = 64
metricCountApache24Worker = 28
metricCountApache24Prefork = 28
)
func checkApacheStatus(t *testing.T, status string, metricCount int) {
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(status))
})
server := httptest.NewServer(handler)
promslogConfig := &promslog.Config{}
logger := promslog.New(promslogConfig)
config := &collector.Config{
ScrapeURI: server.URL,
HostOverride: "",
Insecure: false,
CustomHeaders: map[string]string{"Cookie": "A test cookie"},
}
e := collector.NewExporter(logger, config)
ch := make(chan prometheus.Metric)
go func() {
defer close(ch)
e.Collect(ch)
}()
for i := 1; i <= metricCount; i++ {
m := <-ch
if m == nil {
t.Error("expected metric but got nil")
}
}
extraMetrics := 0
for <-ch != nil {
extraMetrics++
}
if extraMetrics > 0 {
t.Errorf("expected closed channel, got %d extra metrics", extraMetrics)
}
}
func TestApache22Status(t *testing.T) {
checkApacheStatus(t, apache22Status, metricCountApache22)
}
func TestApache24EventStatus(t *testing.T) {
checkApacheStatus(t, apache24EventStatus, metricCountApache24Event)
}
func TestApache24EventTLSStatus(t *testing.T) {
checkApacheStatus(t, apache24EventTLSStatus, metricCountApache24EventTLS)
}
func TestApache24EventProxyStatus(t *testing.T) {
checkApacheStatus(t, apache24EventProxyStatus, metricCountApache24EventProxy)
}
func TestApache24WorkerStatus(t *testing.T) {
checkApacheStatus(t, apache24WorkerStatus, metricCountApache24Worker)
}
func TestApache24PreforkStatus(t *testing.T) {
checkApacheStatus(t, apache24PreforkStatus, metricCountApache24Prefork)
}
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