package agent import ( "bytes" "encoding/base64" "io/ioutil" "os" "path/filepath" "reflect" "testing" "time" ) func TestConfigEncryptBytes(t *testing.T) { // Test with some input src := []byte("abc") c := &Config{ EncryptKey: base64.StdEncoding.EncodeToString(src), } result, err := c.EncryptBytes() if err != nil { t.Fatalf("err: %s", err) } if !bytes.Equal(src, result) { t.Fatalf("bad: %#v", result) } // Test with no input c = &Config{} result, err = c.EncryptBytes() if err != nil { t.Fatalf("err: %s", err) } if len(result) > 0 { t.Fatalf("bad: %#v", result) } } func TestDecodeConfig(t *testing.T) { // Basics input := `{"data_dir": "/tmp/", "log_level": "debug"}` config, err := DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.DataDir != "/tmp/" { t.Fatalf("bad: %#v", config) } if config.LogLevel != "debug" { t.Fatalf("bad: %#v", config) } // Without a protocol input = `{"node_name": "foo", "datacenter": "dc2"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.NodeName != "foo" { t.Fatalf("bad: %#v", config) } if config.Datacenter != "dc2" { t.Fatalf("bad: %#v", config) } if config.SkipLeaveOnInt != DefaultConfig().SkipLeaveOnInt { t.Fatalf("bad: %#v", config) } if config.LeaveOnTerm != DefaultConfig().LeaveOnTerm { t.Fatalf("bad: %#v", config) } // Server bootstrap input = `{"server": true, "bootstrap": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.Server { t.Fatalf("bad: %#v", config) } if !config.Bootstrap { t.Fatalf("bad: %#v", config) } // Expect bootstrap input = `{"server": true, "bootstrap_expect": 3}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.Server { t.Fatalf("bad: %#v", config) } if config.BootstrapExpect != 3 { t.Fatalf("bad: %#v", config) } // DNS setup input = `{"ports": {"dns": 8500}, "recursors": ["8.8.8.8","8.8.4.4"], "recursor":"127.0.0.1", "domain": "foobar"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.Ports.DNS != 8500 { t.Fatalf("bad: %#v", config) } if len(config.DNSRecursors) != 3 { t.Fatalf("bad: %#v", config) } if config.DNSRecursors[0] != "8.8.8.8" { t.Fatalf("bad: %#v", config) } if config.DNSRecursors[1] != "8.8.4.4" { t.Fatalf("bad: %#v", config) } if config.DNSRecursors[2] != "127.0.0.1" { t.Fatalf("bad: %#v", config) } if config.Domain != "foobar" { t.Fatalf("bad: %#v", config) } // RPC configs input = `{"ports": {"http": 1234, "https": 1243, "rpc": 8100}, "client_addr": "0.0.0.0"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.ClientAddr != "0.0.0.0" { t.Fatalf("bad: %#v", config) } if config.Ports.HTTP != 1234 { t.Fatalf("bad: %#v", config) } if config.Ports.HTTPS != 1243 { t.Fatalf("bad: %#v", config) } if config.Ports.RPC != 8100 { t.Fatalf("bad: %#v", config) } // Serf configs input = `{"ports": {"serf_lan": 1000, "serf_wan": 2000}}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.Ports.SerfLan != 1000 { t.Fatalf("bad: %#v", config) } if config.Ports.SerfWan != 2000 { t.Fatalf("bad: %#v", config) } // Server addrs input = `{"ports": {"server": 8000}, "bind_addr": "127.0.0.2", "advertise_addr": "127.0.0.3"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.BindAddr != "127.0.0.2" { t.Fatalf("bad: %#v", config) } if config.AdvertiseAddr != "127.0.0.3" { t.Fatalf("bad: %#v", config) } if config.Ports.Server != 8000 { t.Fatalf("bad: %#v", config) } // leave_on_terminate input = `{"leave_on_terminate": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.LeaveOnTerm != true { t.Fatalf("bad: %#v", config) } // skip_leave_on_interrupt input = `{"skip_leave_on_interrupt": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.SkipLeaveOnInt != true { t.Fatalf("bad: %#v", config) } // enable_debug input = `{"enable_debug": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.EnableDebug != true { t.Fatalf("bad: %#v", config) } // TLS input = `{"verify_incoming": true, "verify_outgoing": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.VerifyIncoming != true { t.Fatalf("bad: %#v", config) } if config.VerifyOutgoing != true { t.Fatalf("bad: %#v", config) } // TLS keys input = `{"ca_file": "my/ca/file", "cert_file": "my.cert", "key_file": "key.pem", "server_name": "example.com"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.CAFile != "my/ca/file" { t.Fatalf("bad: %#v", config) } if config.CertFile != "my.cert" { t.Fatalf("bad: %#v", config) } if config.KeyFile != "key.pem" { t.Fatalf("bad: %#v", config) } if config.ServerName != "example.com" { t.Fatalf("bad: %#v", config) } // Start join input = `{"start_join": ["1.1.1.1", "2.2.2.2"]}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.StartJoin) != 2 { t.Fatalf("bad: %#v", config) } if config.StartJoin[0] != "1.1.1.1" { t.Fatalf("bad: %#v", config) } if config.StartJoin[1] != "2.2.2.2" { t.Fatalf("bad: %#v", config) } // Start Join wan input = `{"start_join_wan": ["1.1.1.1", "2.2.2.2"]}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.StartJoinWan) != 2 { t.Fatalf("bad: %#v", config) } if config.StartJoinWan[0] != "1.1.1.1" { t.Fatalf("bad: %#v", config) } if config.StartJoinWan[1] != "2.2.2.2" { t.Fatalf("bad: %#v", config) } // Retry join input = `{"retry_join": ["1.1.1.1", "2.2.2.2"]}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.RetryJoin) != 2 { t.Fatalf("bad: %#v", config) } if config.RetryJoin[0] != "1.1.1.1" { t.Fatalf("bad: %#v", config) } if config.RetryJoin[1] != "2.2.2.2" { t.Fatalf("bad: %#v", config) } // Retry interval input = `{"retry_interval": "10s"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.RetryIntervalRaw != "10s" { t.Fatalf("bad: %#v", config) } if config.RetryInterval.String() != "10s" { t.Fatalf("bad: %#v", config) } // Retry Max input = `{"retry_max": 3}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.RetryMaxAttempts != 3 { t.Fatalf("bad: %#v", config) } // Retry Join wan input = `{"retry_join_wan": ["1.1.1.1", "2.2.2.2"]}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.RetryJoinWan) != 2 { t.Fatalf("bad: %#v", config) } if config.RetryJoinWan[0] != "1.1.1.1" { t.Fatalf("bad: %#v", config) } if config.RetryJoinWan[1] != "2.2.2.2" { t.Fatalf("bad: %#v", config) } // Retry Interval wan input = `{"retry_interval_wan": "10s"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.RetryIntervalWanRaw != "10s" { t.Fatalf("bad: %#v", config) } if config.RetryIntervalWan.String() != "10s" { t.Fatalf("bad: %#v", config) } // Retry Max wan input = `{"retry_max_wan": 3}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.RetryMaxAttemptsWan != 3 { t.Fatalf("bad: %#v", config) } // UI Dir input = `{"ui_dir": "/opt/consul-ui"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.UiDir != "/opt/consul-ui" { t.Fatalf("bad: %#v", config) } // Pid File input = `{"pid_file": "/tmp/consul/pid"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.PidFile != "/tmp/consul/pid" { t.Fatalf("bad: %#v", config) } // Syslog input = `{"enable_syslog": true, "syslog_facility": "LOCAL4"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.EnableSyslog { t.Fatalf("bad: %#v", config) } if config.SyslogFacility != "LOCAL4" { t.Fatalf("bad: %#v", config) } // Rejoin input = `{"rejoin_after_leave": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.RejoinAfterLeave { t.Fatalf("bad: %#v", config) } // DNS node ttl, max stale input = `{"dns_config": {"node_ttl": "5s", "max_stale": "15s", "allow_stale": true}}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.DNSConfig.NodeTTL != 5*time.Second { t.Fatalf("bad: %#v", config) } if config.DNSConfig.MaxStale != 15*time.Second { t.Fatalf("bad: %#v", config) } if !config.DNSConfig.AllowStale { t.Fatalf("bad: %#v", config) } // DNS service ttl input = `{"dns_config": {"service_ttl": {"*": "1s", "api": "10s", "web": "30s"}}}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.DNSConfig.ServiceTTL["*"] != time.Second { t.Fatalf("bad: %#v", config) } if config.DNSConfig.ServiceTTL["api"] != 10*time.Second { t.Fatalf("bad: %#v", config) } if config.DNSConfig.ServiceTTL["web"] != 30*time.Second { t.Fatalf("bad: %#v", config) } // DNS enable truncate input = `{"dns_config": {"enable_truncate": true}}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.DNSConfig.EnableTruncate { t.Fatalf("bad: %#v", config) } // CheckUpdateInterval input = `{"check_update_interval": "10m"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.CheckUpdateInterval != 10*time.Minute { t.Fatalf("bad: %#v", config) } // ACLs input = `{"acl_token": "1234", "acl_datacenter": "dc2", "acl_ttl": "60s", "acl_down_policy": "deny", "acl_default_policy": "deny", "acl_master_token": "2345"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.ACLToken != "1234" { t.Fatalf("bad: %#v", config) } if config.ACLMasterToken != "2345" { t.Fatalf("bad: %#v", config) } if config.ACLDatacenter != "dc2" { t.Fatalf("bad: %#v", config) } if config.ACLTTL != 60*time.Second { t.Fatalf("bad: %#v", config) } if config.ACLDownPolicy != "deny" { t.Fatalf("bad: %#v", config) } if config.ACLDefaultPolicy != "deny" { t.Fatalf("bad: %#v", config) } // Watches input = `{"watches": [{"type":"keyprefix", "prefix":"foo/", "handler":"foobar"}]}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.Watches) != 1 { t.Fatalf("bad: %#v", config) } out := config.Watches[0] exp := map[string]interface{}{ "type": "keyprefix", "prefix": "foo/", "handler": "foobar", } if !reflect.DeepEqual(out, exp) { t.Fatalf("bad: %#v", config) } // remote exec input = `{"disable_remote_exec": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.DisableRemoteExec { t.Fatalf("bad: %#v", config) } // stats(d|ite) exec input = `{"statsite_addr": "127.0.0.1:7250", "statsd_addr": "127.0.0.1:7251"}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.StatsiteAddr != "127.0.0.1:7250" { t.Fatalf("bad: %#v", config) } if config.StatsdAddr != "127.0.0.1:7251" { t.Fatalf("bad: %#v", config) } // Address overrides input = `{"addresses": {"dns": "0.0.0.0", "http": "127.0.0.1", "https": "127.0.0.1", "rpc": "127.0.0.1"}}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if config.Addresses.DNS != "0.0.0.0" { t.Fatalf("bad: %#v", config) } if config.Addresses.HTTP != "127.0.0.1" { t.Fatalf("bad: %#v", config) } if config.Addresses.HTTPS != "127.0.0.1" { t.Fatalf("bad: %#v", config) } if config.Addresses.RPC != "127.0.0.1" { t.Fatalf("bad: %#v", config) } // Disable updates input = `{"disable_update_check": true, "disable_anonymous_signature": true}` config, err = DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if !config.DisableUpdateCheck { t.Fatalf("bad: %#v", config) } if !config.DisableAnonymousSignature { t.Fatalf("bad: %#v", config) } } func TestDecodeConfig_Services(t *testing.T) { input := `{ "services": [ { "id": "red0", "name": "redis", "tags": [ "master" ], "port": 6000, "check": { "script": "/bin/check_redis -p 6000", "interval": "5s", "ttl": "20s" } }, { "id": "red1", "name": "redis", "tags": [ "delayed", "slave" ], "port": 7000, "check": { "script": "/bin/check_redis -p 7000", "interval": "30s", "ttl": "60s" } } ] }` config, err := DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } expected := &Config{ Services: []*ServiceDefinition{ &ServiceDefinition{ Check: CheckType{ Interval: 5 * time.Second, Script: "/bin/check_redis -p 6000", TTL: 20 * time.Second, }, ID: "red0", Name: "redis", Tags: []string{ "master", }, Port: 6000, }, &ServiceDefinition{ Check: CheckType{ Interval: 30 * time.Second, Script: "/bin/check_redis -p 7000", TTL: 60 * time.Second, }, ID: "red1", Name: "redis", Tags: []string{ "delayed", "slave", }, Port: 7000, }, }, } if !reflect.DeepEqual(config, expected) { t.Fatalf("bad: %#v", config) } } func TestDecodeConfig_Checks(t *testing.T) { input := `{ "checks": [ { "id": "chk1", "name": "mem", "script": "/bin/check_mem", "interval": "5s" }, { "id": "chk2", "name": "cpu", "script": "/bin/check_cpu", "interval": "10s" } ] }` config, err := DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } expected := &Config{ Checks: []*CheckDefinition{ &CheckDefinition{ ID: "chk1", Name: "mem", CheckType: CheckType{ Script: "/bin/check_mem", Interval: 5 * time.Second, }, }, &CheckDefinition{ ID: "chk2", Name: "cpu", CheckType: CheckType{ Script: "/bin/check_cpu", Interval: 10 * time.Second, }, }, }, } if !reflect.DeepEqual(config, expected) { t.Fatalf("bad: %#v", config) } } func TestDecodeConfig_Multiples(t *testing.T) { input := `{ "services": [ { "id": "red0", "name": "redis", "tags": [ "master" ], "port": 6000, "check": { "script": "/bin/check_redis -p 6000", "interval": "5s", "ttl": "20s" } } ], "checks": [ { "id": "chk1", "name": "mem", "script": "/bin/check_mem", "interval": "10s" } ] }` config, err := DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } expected := &Config{ Services: []*ServiceDefinition{ &ServiceDefinition{ Check: CheckType{ Interval: 5 * time.Second, Script: "/bin/check_redis -p 6000", TTL: 20 * time.Second, }, ID: "red0", Name: "redis", Tags: []string{ "master", }, Port: 6000, }, }, Checks: []*CheckDefinition{ &CheckDefinition{ ID: "chk1", Name: "mem", CheckType: CheckType{ Script: "/bin/check_mem", Interval: 10 * time.Second, }, }, }, } if !reflect.DeepEqual(config, expected) { t.Fatalf("bad: %#v", config) } } func TestDecodeConfig_Service(t *testing.T) { // Basics input := `{"service": {"id": "red1", "name": "redis", "tags": ["master"], "port":8000, "check": {"script": "/bin/check_redis", "interval": "10s", "ttl": "15s" }}}` config, err := DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.Services) != 1 { t.Fatalf("missing service") } serv := config.Services[0] if serv.ID != "red1" { t.Fatalf("bad: %v", serv) } if serv.Name != "redis" { t.Fatalf("bad: %v", serv) } if !strContains(serv.Tags, "master") { t.Fatalf("bad: %v", serv) } if serv.Port != 8000 { t.Fatalf("bad: %v", serv) } if serv.Check.Script != "/bin/check_redis" { t.Fatalf("bad: %v", serv) } if serv.Check.Interval != 10*time.Second { t.Fatalf("bad: %v", serv) } if serv.Check.TTL != 15*time.Second { t.Fatalf("bad: %v", serv) } } func TestDecodeConfig_Check(t *testing.T) { // Basics input := `{"check": {"id": "chk1", "name": "mem", "notes": "foobar", "script": "/bin/check_redis", "interval": "10s", "ttl": "15s" }}` config, err := DecodeConfig(bytes.NewReader([]byte(input))) if err != nil { t.Fatalf("err: %s", err) } if len(config.Checks) != 1 { t.Fatalf("missing check") } chk := config.Checks[0] if chk.ID != "chk1" { t.Fatalf("bad: %v", chk) } if chk.Name != "mem" { t.Fatalf("bad: %v", chk) } if chk.Notes != "foobar" { t.Fatalf("bad: %v", chk) } if chk.Script != "/bin/check_redis" { t.Fatalf("bad: %v", chk) } if chk.Interval != 10*time.Second { t.Fatalf("bad: %v", chk) } if chk.TTL != 15*time.Second { t.Fatalf("bad: %v", chk) } } func TestMergeConfig(t *testing.T) { a := &Config{ Bootstrap: false, BootstrapExpect: 0, Datacenter: "dc1", DataDir: "/tmp/foo", Domain: "basic", LogLevel: "debug", NodeName: "foo", ClientAddr: "127.0.0.1", BindAddr: "127.0.0.1", AdvertiseAddr: "127.0.0.1", Server: false, LeaveOnTerm: false, SkipLeaveOnInt: false, EnableDebug: false, CheckUpdateIntervalRaw: "8m", RetryIntervalRaw: "10s", RetryIntervalWanRaw: "10s", } b := &Config{ Bootstrap: true, BootstrapExpect: 3, Datacenter: "dc2", DataDir: "/tmp/bar", DNSRecursors: []string{"127.0.0.2:1001"}, DNSConfig: DNSConfig{ NodeTTL: 10 * time.Second, ServiceTTL: map[string]time.Duration{ "api": 10 * time.Second, }, AllowStale: true, MaxStale: 30 * time.Second, EnableTruncate: true, }, Domain: "other", LogLevel: "info", NodeName: "baz", ClientAddr: "127.0.0.1", BindAddr: "127.0.0.1", AdvertiseAddr: "127.0.0.1", Ports: PortConfig{ DNS: 1, HTTP: 2, RPC: 3, SerfLan: 4, SerfWan: 5, Server: 6, HTTPS: 7, }, Addresses: AddressConfig{ DNS: "127.0.0.1", HTTP: "127.0.0.2", RPC: "127.0.0.3", HTTPS: "127.0.0.4", }, Server: true, LeaveOnTerm: true, SkipLeaveOnInt: true, EnableDebug: true, VerifyIncoming: true, VerifyOutgoing: true, CAFile: "test/ca.pem", CertFile: "test/cert.pem", KeyFile: "test/key.pem", Checks: []*CheckDefinition{nil}, Services: []*ServiceDefinition{nil}, StartJoin: []string{"1.1.1.1"}, StartJoinWan: []string{"1.1.1.1"}, UiDir: "/opt/consul-ui", EnableSyslog: true, RejoinAfterLeave: true, RetryJoin: []string{"1.1.1.1"}, RetryIntervalRaw: "10s", RetryInterval: 10 * time.Second, RetryJoinWan: []string{"1.1.1.1"}, RetryIntervalWanRaw: "10s", RetryIntervalWan: 10 * time.Second, CheckUpdateInterval: 8 * time.Minute, CheckUpdateIntervalRaw: "8m", ACLToken: "1234", ACLMasterToken: "2345", ACLDatacenter: "dc2", ACLTTL: 15 * time.Second, ACLTTLRaw: "15s", ACLDownPolicy: "deny", ACLDefaultPolicy: "deny", Watches: []map[string]interface{}{ map[string]interface{}{ "type": "keyprefix", "prefix": "foo/", "handler": "foobar", }, }, DisableRemoteExec: true, StatsiteAddr: "127.0.0.1:7250", StatsdAddr: "127.0.0.1:7251", DisableUpdateCheck: true, DisableAnonymousSignature: true, } c := MergeConfig(a, b) if !reflect.DeepEqual(c, b) { t.Fatalf("should be equal %#v %#v", c, b) } } func TestReadConfigPaths_badPath(t *testing.T) { _, err := ReadConfigPaths([]string{"/i/shouldnt/exist/ever/rainbows"}) if err == nil { t.Fatal("should have err") } } func TestReadConfigPaths_file(t *testing.T) { tf, err := ioutil.TempFile("", "consul") if err != nil { t.Fatalf("err: %s", err) } tf.Write([]byte(`{"node_name":"bar"}`)) tf.Close() defer os.Remove(tf.Name()) config, err := ReadConfigPaths([]string{tf.Name()}) if err != nil { t.Fatalf("err: %s", err) } if config.NodeName != "bar" { t.Fatalf("bad: %#v", config) } } func TestReadConfigPaths_dir(t *testing.T) { td, err := ioutil.TempDir("", "consul") if err != nil { t.Fatalf("err: %s", err) } defer os.RemoveAll(td) err = ioutil.WriteFile(filepath.Join(td, "a.json"), []byte(`{"node_name": "bar"}`), 0644) if err != nil { t.Fatalf("err: %s", err) } err = ioutil.WriteFile(filepath.Join(td, "b.json"), []byte(`{"node_name": "baz"}`), 0644) if err != nil { t.Fatalf("err: %s", err) } // A non-json file, shouldn't be read err = ioutil.WriteFile(filepath.Join(td, "c"), []byte(`{"node_name": "bad"}`), 0644) if err != nil { t.Fatalf("err: %s", err) } config, err := ReadConfigPaths([]string{td}) if err != nil { t.Fatalf("err: %s", err) } if config.NodeName != "baz" { t.Fatalf("bad: %#v", config) } }