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passenger_test.go
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passenger_test.go
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package passenger
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/influxdata/telegraf/testutil"
)
func fakePassengerStatus(stat string) (string, error) {
var fileExtension, content string
if runtime.GOOS == "windows" {
fileExtension = ".bat"
content = "@echo off\n"
for _, line := range strings.Split(strings.TrimSuffix(stat, "\n"), "\n") {
content += "for /f \"delims=\" %%A in (\"" + line + "\") do echo %%~A\n" //my eyes are bleeding
}
} else {
content = fmt.Sprintf("#!/bin/sh\ncat << EOF\n%s\nEOF", stat)
}
tempFilePath := filepath.Join(os.TempDir(), "passenger-status"+fileExtension)
if err := ioutil.WriteFile(tempFilePath, []byte(content), 0700); err != nil {
return "", err
}
return tempFilePath, nil
}
func teardown(tempFilePath string) {
// Ignore the returned error as we want to remove the file and ignore missing file errors
//nolint:errcheck,revive
os.Remove(tempFilePath)
}
func Test_Invalid_Passenger_Status_Cli(t *testing.T) {
r := &passenger{
Command: "an-invalid-command passenger-status",
}
var acc testutil.Accumulator
err := r.Gather(&acc)
require.Error(t, err)
assert.Contains(t, err.Error(), `exec: "an-invalid-command": executable file not found in `)
}
func Test_Invalid_Xml(t *testing.T) {
tempFilePath, err := fakePassengerStatus("invalid xml")
require.NoError(t, err)
defer teardown(tempFilePath)
r := &passenger{
Command: tempFilePath,
}
var acc testutil.Accumulator
err = r.Gather(&acc)
require.Error(t, err)
assert.Equal(t, "cannot parse input with error: EOF", err.Error())
}
// We test this by ensure that the error message match the path of default cli
func Test_Default_Config_Load_Default_Command(t *testing.T) {
tempFilePath, err := fakePassengerStatus("invalid xml")
require.NoError(t, err)
defer teardown(tempFilePath)
r := &passenger{}
var acc testutil.Accumulator
err = r.Gather(&acc)
require.Error(t, err)
assert.Contains(t, err.Error(), "exec: \"passenger-status\": executable file not found in ")
}
func TestPassengerGenerateMetric(t *testing.T) {
tempFilePath, err := fakePassengerStatus(sampleStat)
require.NoError(t, err)
defer teardown(tempFilePath)
//Now we tested again above server, with our authentication data
r := &passenger{
Command: tempFilePath,
}
var acc testutil.Accumulator
require.NoError(t, r.Gather(&acc))
tags := map[string]string{
"passenger_version": "5.0.17",
}
fields := map[string]interface{}{
"process_count": 23,
"max": 23,
"capacity_used": 23,
"get_wait_list_size": 3,
}
acc.AssertContainsTaggedFields(t, "passenger", fields, tags)
tags = map[string]string{
"name": "/var/app/current/public",
"app_root": "/var/app/current",
"app_type": "rack",
}
fields = map[string]interface{}{
"processes_being_spawned": 2,
"capacity_used": 23,
"get_wait_list_size": 3,
}
acc.AssertContainsTaggedFields(t, "passenger_group", fields, tags)
tags = map[string]string{
"name": "/var/app/current/public",
}
fields = map[string]interface{}{
"capacity_used": 23,
"get_wait_list_size": 3,
}
acc.AssertContainsTaggedFields(t, "passenger_supergroup", fields, tags)
tags = map[string]string{
"app_root": "/var/app/current",
"group_name": "/var/app/current/public",
"supergroup_name": "/var/app/current/public",
"pid": "11553",
"code_revision": "899ac7f",
"life_status": "ALIVE",
"process_group_id": "13608",
}
fields = map[string]interface{}{
"concurrency": 1,
"sessions": 0,
"busyness": 0,
"processed": 951,
"spawner_creation_time": int64(1452746835922747),
"spawn_start_time": int64(1452746844946982),
"spawn_end_time": int64(1452746845013365),
"last_used": int64(1452747071764940),
"uptime": int64(191026), // in seconds of 2d 5h 3m 46s
"cpu": int64(58),
"rss": int64(418548),
"pss": int64(319391),
"private_dirty": int64(314900),
"swap": int64(0),
"real_memory": int64(314900),
"vmsize": int64(1563580),
}
acc.AssertContainsTaggedFields(t, "passenger_process", fields, tags)
}
var sampleStat = `
<?xml version="1.0" encoding="iso8859-1" ?>
<?xml version="1.0" encoding="UTF-8"?>
<info version="3">
<passenger_version>5.0.17</passenger_version>
<group_count>1</group_count>
<process_count>23</process_count>
<max>23</max>
<capacity_used>23</capacity_used>
<get_wait_list_size>3</get_wait_list_size>
<get_wait_list />
<supergroups>
<supergroup>
<name>/var/app/current/public</name>
<state>READY</state>
<get_wait_list_size>3</get_wait_list_size>
<capacity_used>23</capacity_used>
<secret>foo</secret>
<group default="true">
<name>/var/app/current/public</name>
<component_name>/var/app/current/public</component_name>
<app_root>/var/app/current</app_root>
<app_type>rack</app_type>
<environment>production</environment>
<uuid>QQUrbCVYxbJYpfgyDOwJ</uuid>
<enabled_process_count>23</enabled_process_count>
<disabling_process_count>0</disabling_process_count>
<disabled_process_count>0</disabled_process_count>
<capacity_used>23</capacity_used>
<get_wait_list_size>3</get_wait_list_size>
<disable_wait_list_size>0</disable_wait_list_size>
<processes_being_spawned>2</processes_being_spawned>
<secret>foo</secret>
<api_key>foo</api_key>
<life_status>ALIVE</life_status>
<user>axcoto</user>
<uid>1001</uid>
<group>axcoto</group>
<gid>1001</gid>
<options>
<app_root>/var/app/current</app_root>
<app_group_name>/var/app/current/public</app_group_name>
<app_type>rack</app_type>
<start_command>/var/app/.rvm/gems/ruby-2.2.0-p645/gems/passenger-5.0.17/helper-scripts/rack-loader.rb</start_command>
<startup_file>config.ru</startup_file>
<process_title>Passenger RubyApp</process_title>
<log_level>3</log_level>
<start_timeout>90000</start_timeout>
<environment>production</environment>
<base_uri>/</base_uri>
<spawn_method>smart</spawn_method>
<default_user>nobody</default_user>
<default_group>nogroup</default_group>
<ruby>/var/app/.rvm/gems/ruby-2.2.0-p645/wrappers/ruby</ruby>
<python>python</python>
<nodejs>node</nodejs>
<ust_router_address>unix:/tmp/passenger.eKFdvdC/agents.s/ust_router</ust_router_address>
<ust_router_username>logging</ust_router_username>
<ust_router_password>foo</ust_router_password>
<debugger>false</debugger>
<analytics>false</analytics>
<api_key>foo</api_key>
<min_processes>22</min_processes>
<max_processes>0</max_processes>
<max_preloader_idle_time>300</max_preloader_idle_time>
<max_out_of_band_work_instances>1</max_out_of_band_work_instances>
</options>
<processes>
<process>
<pid>11553</pid>
<sticky_session_id>378579907</sticky_session_id>
<gupid>17173df-PoNT3J9HCf</gupid>
<concurrency>1</concurrency>
<sessions>0</sessions>
<busyness>0</busyness>
<processed>951</processed>
<spawner_creation_time>1452746835922747</spawner_creation_time>
<spawn_start_time>1452746844946982</spawn_start_time>
<spawn_end_time>1452746845013365</spawn_end_time>
<last_used>1452747071764940</last_used>
<last_used_desc>0s ago</last_used_desc>
<uptime>2d 5h 3m 46s</uptime>
<code_revision>899ac7f</code_revision>
<life_status>ALIVE</life_status>
<enabled>ENABLED</enabled>
<has_metrics>true</has_metrics>
<cpu>58</cpu>
<rss>418548</rss>
<pss>319391</pss>
<private_dirty>314900</private_dirty>
<swap>0</swap>
<real_memory>314900</real_memory>
<vmsize>1563580</vmsize>
<process_group_id>13608</process_group_id>
<command>Passenger RubyApp: /var/app/current/public</command>
<sockets>
<socket>
<name>main</name>
<address>unix:/tmp/passenger.eKFdvdC/apps.s/ruby.UWF6zkRJ71aoMXPxpknpWVfC1POFqgWZzbEsdz5v0G46cSSMxJ3GHLFhJaUrK2I</address>
<protocol>session</protocol>
<concurrency>1</concurrency>
<sessions>0</sessions>
</socket>
<socket>
<name>http</name>
<address>tcp://127.0.0.1:49888</address>
<protocol>http</protocol>
<concurrency>1</concurrency>
<sessions>0</sessions>
</socket>
</sockets>
</process>
<process>
<pid>11563</pid>
<sticky_session_id>1549681201</sticky_session_id>
<gupid>17173df-pX5iJOipd8</gupid>
<concurrency>1</concurrency>
<sessions>1</sessions>
<busyness>2147483647</busyness>
<processed>756</processed>
<spawner_creation_time>1452746835922747</spawner_creation_time>
<spawn_start_time>1452746845136882</spawn_start_time>
<spawn_end_time>1452746845172460</spawn_end_time>
<last_used>1452747071709179</last_used>
<last_used_desc>0s ago</last_used_desc>
<uptime>2d 5h 3m 46s</uptime>
<code_revision>899ac7f</code_revision>
<life_status>ALIVE</life_status>
<enabled>ENABLED</enabled>
<has_metrics>true</has_metrics>
<cpu>47</cpu>
<rss>418296</rss>
<pss>314036</pss>
<private_dirty>309240</private_dirty>
<swap>0</swap>
<real_memory>309240</real_memory>
<vmsize>1563608</vmsize>
<process_group_id>13608</process_group_id>
<command>Passenger RubyApp: /var/app/current/public</command>
<sockets>
<socket>
<name>main</name>
<address>unix:/tmp/passenger.eKFdvdC/apps.s/ruby.PVCh7TmvCi9knqhba2vG5qXrlHGEIwhGrxnUvRbIAD6SPz9m0G7YlJ8HEsREHY3</address>
<protocol>session</protocol>
<concurrency>1</concurrency>
<sessions>1</sessions>
</socket>
<socket>
<name>http</name>
<address>tcp://127.0.0.1:52783</address>
<protocol>http</protocol>
<concurrency>1</concurrency>
<sessions>0</sessions>
</socket>
</sockets>
</process>
</processes>
</group>
</supergroup>
</supergroups>
</info>`