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open-nomad/command/agent/config_test.go
Ivo Verberk 91a9f2c4ce Shorten CLI identifiers 
* Truncate all UUID identifiers to eight characters by default
* Refactor the node identifier to an auto-generated UUID
* Created and updated tests and mocks
2016-01-14 21:57:43 +01:00

535 lines
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package agent
import (
"io/ioutil"
"os"
"path/filepath"
"reflect"
"testing"
"time"
"github.com/hashicorp/nomad/nomad/structs"
)
func TestConfig_Merge(t *testing.T) {
c1 := &Config{
Region: "global",
Datacenter: "dc1",
NodeName: "node1",
DataDir: "/tmp/dir1",
LogLevel: "INFO",
EnableDebug: false,
LeaveOnInt: false,
LeaveOnTerm: false,
EnableSyslog: false,
SyslogFacility: "local0.info",
DisableUpdateCheck: false,
DisableAnonymousSignature: false,
BindAddr: "127.0.0.1",
Telemetry: &Telemetry{
StatsiteAddr: "127.0.0.1:8125",
StatsdAddr: "127.0.0.1:8125",
DisableHostname: false,
},
Client: &ClientConfig{
Enabled: false,
StateDir: "/tmp/state1",
AllocDir: "/tmp/alloc1",
NodeClass: "class1",
Options: map[string]string{
"foo": "bar",
},
NetworkSpeed: 100,
MaxKillTimeout: "20s",
},
Server: &ServerConfig{
Enabled: false,
BootstrapExpect: 1,
DataDir: "/tmp/data1",
ProtocolVersion: 1,
NumSchedulers: 1,
NodeGCThreshold: "1h",
},
Ports: &Ports{
HTTP: 4646,
RPC: 4647,
Serf: 4648,
},
Addresses: &Addresses{
HTTP: "127.0.0.1",
RPC: "127.0.0.1",
Serf: "127.0.0.1",
},
AdvertiseAddrs: &AdvertiseAddrs{
RPC: "127.0.0.1",
Serf: "127.0.0.1",
},
Atlas: &AtlasConfig{
Infrastructure: "hashicorp/test1",
Token: "abc",
Join: false,
Endpoint: "foo",
},
}
c2 := &Config{
Region: "region2",
Datacenter: "dc2",
NodeName: "node2",
DataDir: "/tmp/dir2",
LogLevel: "DEBUG",
EnableDebug: true,
LeaveOnInt: true,
LeaveOnTerm: true,
EnableSyslog: true,
SyslogFacility: "local0.debug",
DisableUpdateCheck: true,
DisableAnonymousSignature: true,
BindAddr: "127.0.0.2",
Telemetry: &Telemetry{
StatsiteAddr: "127.0.0.2:8125",
StatsdAddr: "127.0.0.2:8125",
DisableHostname: true,
},
Client: &ClientConfig{
Enabled: true,
StateDir: "/tmp/state2",
AllocDir: "/tmp/alloc2",
NodeClass: "class2",
Servers: []string{"server2"},
Meta: map[string]string{
"baz": "zip",
},
Options: map[string]string{
"foo": "bar",
"baz": "zip",
},
NetworkSpeed: 105,
MaxKillTimeout: "50s",
},
Server: &ServerConfig{
Enabled: true,
BootstrapExpect: 2,
DataDir: "/tmp/data2",
ProtocolVersion: 2,
NumSchedulers: 2,
EnabledSchedulers: []string{structs.JobTypeBatch},
NodeGCThreshold: "12h",
RejoinAfterLeave: true,
StartJoin: []string{"1.1.1.1"},
RetryJoin: []string{"1.1.1.1"},
RetryInterval: "10s",
retryInterval: time.Second * 10,
},
Ports: &Ports{
HTTP: 20000,
RPC: 21000,
Serf: 22000,
},
Addresses: &Addresses{
HTTP: "127.0.0.2",
RPC: "127.0.0.2",
Serf: "127.0.0.2",
},
AdvertiseAddrs: &AdvertiseAddrs{
RPC: "127.0.0.2",
Serf: "127.0.0.2",
},
Atlas: &AtlasConfig{
Infrastructure: "hashicorp/test2",
Token: "xyz",
Join: true,
Endpoint: "bar",
},
}
result := c1.Merge(c2)
if !reflect.DeepEqual(result, c2) {
t.Fatalf("bad:\n%#v\n%#v", result.Server, c2.Server)
}
}
func TestConfig_LoadConfigFile(t *testing.T) {
// Fails if the file doesn't exist
if _, err := LoadConfigFile("/unicorns/leprechauns"); err == nil {
t.Fatalf("expected error, got nothing")
}
fh, err := ioutil.TempFile("", "nomad")
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.RemoveAll(fh.Name())
// Invalid content returns error
if _, err := fh.WriteString("nope;!!!"); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := LoadConfigFile(fh.Name()); err == nil {
t.Fatalf("expected load error, got nothing")
}
// Valid content parses successfully
if err := fh.Truncate(0); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := fh.Seek(0, 0); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := fh.WriteString(`{"region":"west"}`); err != nil {
t.Fatalf("err: %s", err)
}
config, err := LoadConfigFile(fh.Name())
if err != nil {
t.Fatalf("err: %s", err)
}
if config.Region != "west" {
t.Fatalf("bad region: %q", config.Region)
}
}
func TestConfig_LoadConfigDir(t *testing.T) {
// Fails if the dir doesn't exist.
if _, err := LoadConfigDir("/unicorns/leprechauns"); err == nil {
t.Fatalf("expected error, got nothing")
}
dir, err := ioutil.TempDir("", "nomad")
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.RemoveAll(dir)
// Returns empty config on empty dir
config, err := LoadConfig(dir)
if err != nil {
t.Fatalf("err: %s", err)
}
if config == nil {
t.Fatalf("should not be nil")
}
file1 := filepath.Join(dir, "conf1.hcl")
err = ioutil.WriteFile(file1, []byte(`{"region":"west"}`), 0600)
if err != nil {
t.Fatalf("err: %s", err)
}
file2 := filepath.Join(dir, "conf2.hcl")
err = ioutil.WriteFile(file2, []byte(`{"datacenter":"sfo"}`), 0600)
if err != nil {
t.Fatalf("err: %s", err)
}
file3 := filepath.Join(dir, "conf3.hcl")
err = ioutil.WriteFile(file3, []byte(`nope;!!!`), 0600)
if err != nil {
t.Fatalf("err: %s", err)
}
// Fails if we have a bad config file
if _, err := LoadConfigDir(dir); err == nil {
t.Fatalf("expected load error, got nothing")
}
if err := os.Remove(file3); err != nil {
t.Fatalf("err: %s", err)
}
// Works if configs are valid
config, err = LoadConfigDir(dir)
if err != nil {
t.Fatalf("err: %s", err)
}
if config.Region != "west" || config.Datacenter != "sfo" {
t.Fatalf("bad: %#v", config)
}
}
func TestConfig_LoadConfig(t *testing.T) {
// Fails if the target doesn't exist
if _, err := LoadConfig("/unicorns/leprechauns"); err == nil {
t.Fatalf("expected error, got nothing")
}
fh, err := ioutil.TempFile("", "nomad")
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.Remove(fh.Name())
if _, err := fh.WriteString(`{"region":"west"}`); err != nil {
t.Fatalf("err: %s", err)
}
// Works on a config file
config, err := LoadConfig(fh.Name())
if err != nil {
t.Fatalf("err: %s", err)
}
if config.Region != "west" {
t.Fatalf("bad: %#v", config)
}
expectedConfigFiles := []string{fh.Name()}
if !reflect.DeepEqual(config.Files, expectedConfigFiles) {
t.Errorf("Loaded configs don't match\nExpected\n%+vGot\n%+v\n",
expectedConfigFiles, config.Files)
}
dir, err := ioutil.TempDir("", "nomad")
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.RemoveAll(dir)
file1 := filepath.Join(dir, "config1.hcl")
err = ioutil.WriteFile(file1, []byte(`{"datacenter":"sfo"}`), 0600)
if err != nil {
t.Fatalf("err: %s", err)
}
// Works on config dir
config, err = LoadConfig(dir)
if err != nil {
t.Fatalf("err: %s", err)
}
if config.Datacenter != "sfo" {
t.Fatalf("bad: %#v", config)
}
expectedConfigFiles = []string{file1}
if !reflect.DeepEqual(config.Files, expectedConfigFiles) {
t.Errorf("Loaded configs don't match\nExpected\n%+vGot\n%+v\n",
expectedConfigFiles, config.Files)
}
}
func TestConfig_LoadConfigsFileOrder(t *testing.T) {
config1, err := LoadConfigDir("test-resources/etcnomad")
if err != nil {
t.Fatalf("Failed to load config: %s", err)
}
config2, err := LoadConfig("test-resources/myconf")
if err != nil {
t.Fatalf("Failed to load config: %s", err)
}
expected := []string{
// filepath.FromSlash changes these to backslash \ on Windows
filepath.FromSlash("test-resources/etcnomad/common.hcl"),
filepath.FromSlash("test-resources/etcnomad/server.json"),
filepath.FromSlash("test-resources/myconf"),
}
config := config1.Merge(config2)
if !reflect.DeepEqual(config.Files, expected) {
t.Errorf("Loaded configs don't match\nwant: %+v\n got: %+v\n",
expected, config.Files)
}
}
func TestConfig_Listener(t *testing.T) {
config := DefaultConfig()
// Fails on invalid input
if ln, err := config.Listener("tcp", "nope", 8080); err == nil {
ln.Close()
t.Fatalf("expected addr error")
}
if ln, err := config.Listener("nope", "127.0.0.1", 8080); err == nil {
ln.Close()
t.Fatalf("expected protocol err")
}
if ln, err := config.Listener("tcp", "127.0.0.1", -1); err == nil {
ln.Close()
t.Fatalf("expected port error")
}
// Works with valid inputs
ln, err := config.Listener("tcp", "127.0.0.1", 24000)
if err != nil {
t.Fatalf("err: %s", err)
}
ln.Close()
if net := ln.Addr().Network(); net != "tcp" {
t.Fatalf("expected tcp, got: %q", net)
}
if addr := ln.Addr().String(); addr != "127.0.0.1:24000" {
t.Fatalf("expected 127.0.0.1:4646, got: %q", addr)
}
// Falls back to default bind address if non provided
config.BindAddr = "0.0.0.0"
ln, err = config.Listener("tcp4", "", 24000)
if err != nil {
t.Fatalf("err: %s", err)
}
ln.Close()
if addr := ln.Addr().String(); addr != "0.0.0.0:24000" {
t.Fatalf("expected 0.0.0.0:24000, got: %q", addr)
}
}
func TestConfig_LoadConfigString(t *testing.T) {
// Load the config
config, err := LoadConfigString(testConfig)
if err != nil {
t.Fatalf("err: %s", err)
}
// Expected output
expect := &Config{
Region: "foobar",
Datacenter: "dc2",
NodeName: "my-web",
DataDir: "/tmp/nomad",
LogLevel: "ERR",
BindAddr: "192.168.0.1",
EnableDebug: true,
Ports: &Ports{
HTTP: 1234,
RPC: 2345,
Serf: 3456,
},
Addresses: &Addresses{
HTTP: "127.0.0.1",
RPC: "127.0.0.2",
Serf: "127.0.0.3",
},
AdvertiseAddrs: &AdvertiseAddrs{
RPC: "127.0.0.3",
Serf: "127.0.0.4",
},
Client: &ClientConfig{
Enabled: true,
StateDir: "/tmp/client-state",
AllocDir: "/tmp/alloc",
Servers: []string{"a.b.c:80", "127.0.0.1:1234"},
NodeClass: "linux-medium-64bit",
Meta: map[string]string{
"foo": "bar",
"baz": "zip",
},
Options: map[string]string{
"foo": "bar",
"baz": "zip",
},
NetworkSpeed: 100,
},
Server: &ServerConfig{
Enabled: true,
BootstrapExpect: 5,
DataDir: "/tmp/data",
ProtocolVersion: 3,
NumSchedulers: 2,
EnabledSchedulers: []string{"test"},
NodeGCThreshold: "12h",
RetryJoin: []string{"1.1.1.1", "2.2.2.2"},
StartJoin: []string{"1.1.1.1", "2.2.2.2"},
RetryInterval: "15s",
RejoinAfterLeave: true,
RetryMaxAttempts: 3,
},
Telemetry: &Telemetry{
StatsiteAddr: "127.0.0.1:1234",
StatsdAddr: "127.0.0.1:2345",
DisableHostname: true,
},
LeaveOnInt: true,
LeaveOnTerm: true,
EnableSyslog: true,
SyslogFacility: "LOCAL1",
DisableUpdateCheck: true,
DisableAnonymousSignature: true,
Atlas: &AtlasConfig{
Infrastructure: "armon/test",
Token: "abcd",
Join: true,
Endpoint: "127.0.0.1:1234",
},
}
// Check parsing
if !reflect.DeepEqual(config, expect) {
t.Fatalf("bad: got: %#v\nexpect: %#v", config, expect)
}
}
const testConfig = `
region = "foobar"
datacenter = "dc2"
name = "my-web"
data_dir = "/tmp/nomad"
log_level = "ERR"
bind_addr = "192.168.0.1"
enable_debug = true
ports {
http = 1234
rpc = 2345
serf = 3456
}
addresses {
http = "127.0.0.1"
rpc = "127.0.0.2"
serf = "127.0.0.3"
}
advertise {
rpc = "127.0.0.3"
serf = "127.0.0.4"
}
client {
enabled = true
state_dir = "/tmp/client-state"
alloc_dir = "/tmp/alloc"
servers = ["a.b.c:80", "127.0.0.1:1234"]
node_id = "xyz123"
node_class = "linux-medium-64bit"
meta {
foo = "bar"
baz = "zip"
}
options {
foo = "bar"
baz = "zip"
}
network_speed = 100
}
server {
enabled = true
bootstrap_expect = 5
data_dir = "/tmp/data"
protocol_version = 3
num_schedulers = 2
enabled_schedulers = ["test"]
node_gc_threshold = "12h"
retry_join = [ "1.1.1.1", "2.2.2.2" ]
start_join = [ "1.1.1.1", "2.2.2.2" ]
retry_max = 3
retry_interval = "15s"
rejoin_after_leave = true
}
telemetry {
statsite_address = "127.0.0.1:1234"
statsd_address = "127.0.0.1:2345"
disable_hostname = true
}
leave_on_interrupt = true
leave_on_terminate = true
enable_syslog = true
syslog_facility = "LOCAL1"
disable_update_check = true
disable_anonymous_signature = true
atlas {
infrastructure = "armon/test"
token = "abcd"
join = true
endpoint = "127.0.0.1:1234"
}
`
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