// Copyright (C) The Arvados Authors. All rights reserved. // // SPDX-License-Identifier: AGPL-3.0 package config import ( "bytes" "fmt" "io" "io/ioutil" "os" "os/exec" "reflect" "regexp" "runtime" "strings" "testing" "time" "git.arvados.org/arvados.git/sdk/go/arvados" "git.arvados.org/arvados.git/sdk/go/ctxlog" "github.com/ghodss/yaml" "github.com/prometheus/client_golang/prometheus" "github.com/prometheus/common/expfmt" "github.com/sirupsen/logrus" "golang.org/x/sys/unix" check "gopkg.in/check.v1" ) // Gocheck boilerplate func Test(t *testing.T) { check.TestingT(t) } var _ = check.Suite(&LoadSuite{}) var emptyConfigYAML = `Clusters: {"z1111": {}}` // Return a new Loader that reads cluster config from configdata // (instead of the usual default /etc/arvados/config.yml), and logs to // logdst or (if that's nil) c.Log. func testLoader(c *check.C, configdata string, logdst io.Writer) *Loader { logger := ctxlog.TestLogger(c) if logdst != nil { lgr := logrus.New() lgr.Out = logdst logger = lgr } ldr := NewLoader(bytes.NewBufferString(configdata), logger) ldr.Path = "-" return ldr } type LoadSuite struct{} func (s *LoadSuite) SetUpSuite(c *check.C) { os.Unsetenv("ARVADOS_API_HOST") os.Unsetenv("ARVADOS_API_HOST_INSECURE") os.Unsetenv("ARVADOS_API_TOKEN") } func (s *LoadSuite) TestEmpty(c *check.C) { cfg, err := testLoader(c, "", nil).Load() c.Check(cfg, check.IsNil) c.Assert(err, check.ErrorMatches, `config does not define any clusters`) } func (s *LoadSuite) TestNoConfigs(c *check.C) { cfg, err := testLoader(c, emptyConfigYAML, nil).Load() c.Assert(err, check.IsNil) c.Assert(cfg.Clusters, check.HasLen, 1) cc, err := cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(cc.ClusterID, check.Equals, "z1111") c.Check(cc.API.MaxRequestAmplification, check.Equals, 4) c.Check(cc.API.MaxItemsPerResponse, check.Equals, 1000) } func (s *LoadSuite) TestNullKeyDoesNotOverrideDefault(c *check.C) { ldr := testLoader(c, `{"Clusters":{"z1111":{"API":}}}`, nil) ldr.SkipDeprecated = true cfg, err := ldr.Load() c.Assert(err, check.IsNil) c1, err := cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(c1.ClusterID, check.Equals, "z1111") c.Check(c1.API.MaxRequestAmplification, check.Equals, 4) c.Check(c1.API.MaxItemsPerResponse, check.Equals, 1000) } func (s *LoadSuite) TestMungeLegacyConfigArgs(c *check.C) { f, err := ioutil.TempFile("", "") c.Check(err, check.IsNil) defer os.Remove(f.Name()) io.WriteString(f, "Debug: true\n") oldfile := f.Name() f, err = ioutil.TempFile("", "") c.Check(err, check.IsNil) defer os.Remove(f.Name()) io.WriteString(f, emptyConfigYAML) newfile := f.Name() for _, trial := range []struct { argsIn []string argsOut []string }{ { []string{"-config", oldfile}, []string{"-old-config", oldfile}, }, { []string{"-config=" + oldfile}, []string{"-old-config=" + oldfile}, }, { []string{"-config", newfile}, []string{"-config", newfile}, }, { []string{"-config=" + newfile}, []string{"-config=" + newfile}, }, { []string{"-foo", oldfile}, []string{"-foo", oldfile}, }, { []string{"-foo=" + oldfile}, []string{"-foo=" + oldfile}, }, { []string{"-foo", "-config=" + oldfile}, []string{"-foo", "-old-config=" + oldfile}, }, { []string{"-foo", "bar", "-config=" + oldfile}, []string{"-foo", "bar", "-old-config=" + oldfile}, }, { []string{"-foo=bar", "baz", "-config=" + oldfile}, []string{"-foo=bar", "baz", "-old-config=" + oldfile}, }, { []string{"-config=/dev/null"}, []string{"-config=/dev/null"}, }, { []string{"-config=-"}, []string{"-config=-"}, }, { []string{"-config="}, []string{"-config="}, }, { []string{"-foo=bar", "baz", "-config"}, []string{"-foo=bar", "baz", "-config"}, }, { []string{}, nil, }, } { var logbuf bytes.Buffer logger := logrus.New() logger.Out = &logbuf var ldr Loader args := ldr.MungeLegacyConfigArgs(logger, trial.argsIn, "-old-config") c.Check(args, check.DeepEquals, trial.argsOut) if fmt.Sprintf("%v", trial.argsIn) != fmt.Sprintf("%v", trial.argsOut) { c.Check(logbuf.String(), check.Matches, `.*`+oldfile+` is not a cluster config file -- interpreting -config as -old-config.*\n`) } } } func (s *LoadSuite) TestSampleKeys(c *check.C) { for _, yaml := range []string{ `{"Clusters":{"z1111":{}}}`, `{"Clusters":{"z1111":{"InstanceTypes":{"Foo":{"RAM": "12345M"}}}}}`, } { cfg, err := testLoader(c, yaml, nil).Load() c.Assert(err, check.IsNil) cc, err := cfg.GetCluster("z1111") c.Assert(err, check.IsNil) _, hasSample := cc.InstanceTypes["SAMPLE"] c.Check(hasSample, check.Equals, false) if strings.Contains(yaml, "Foo") { c.Check(cc.InstanceTypes["Foo"].RAM, check.Equals, arvados.ByteSize(12345000000)) c.Check(cc.InstanceTypes["Foo"].Price, check.Equals, 0.0) } } } func (s *LoadSuite) TestMultipleClusters(c *check.C) { ldr := testLoader(c, `{"Clusters":{"z1111":{},"z2222":{}}}`, nil) ldr.SkipDeprecated = true cfg, err := ldr.Load() c.Assert(err, check.IsNil) c1, err := cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(c1.ClusterID, check.Equals, "z1111") c2, err := cfg.GetCluster("z2222") c.Assert(err, check.IsNil) c.Check(c2.ClusterID, check.Equals, "z2222") } func (s *LoadSuite) TestDeprecatedOrUnknownWarning(c *check.C) { var logbuf bytes.Buffer _, err := testLoader(c, ` Clusters: zzzzz: ManagementToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa SystemRootToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Collections: BlobSigningKey: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa PostgreSQL: {} BadKey1: {} Containers: RunTimeEngine: abc RemoteClusters: z2222: Host: z2222.arvadosapi.com Proxy: true BadKey2: badValue Services: KeepStore: InternalURLs: "http://host.example:12345": {} Keepstore: InternalURLs: "http://host.example:12345": RendezVous: x ServiceS: Keepstore: InternalURLs: "http://host.example:12345": {} Volumes: zzzzz-nyw5e-aaaaaaaaaaaaaaa: {Replication: 2} `, &logbuf).Load() c.Assert(err, check.IsNil) c.Log(logbuf.String()) logs := strings.Split(strings.TrimSuffix(logbuf.String(), "\n"), "\n") for _, log := range logs { c.Check(log, check.Matches, `.*deprecated or unknown config entry:.*(RunTimeEngine.*RuntimeEngine|BadKey1|BadKey2|KeepStore|ServiceS|RendezVous).*`) } c.Check(logs, check.HasLen, 6) } func (s *LoadSuite) checkSAMPLEKeys(c *check.C, path string, x interface{}) { v := reflect.Indirect(reflect.ValueOf(x)) switch v.Kind() { case reflect.Map: var stringKeys, sampleKey bool iter := v.MapRange() for iter.Next() { k := iter.Key() if k.Kind() == reflect.String { stringKeys = true if k.String() == "SAMPLE" || k.String() == "xxxxx" { sampleKey = true s.checkSAMPLEKeys(c, path+"."+k.String(), iter.Value().Interface()) } } } if stringKeys && !sampleKey { c.Errorf("%s is a map with string keys (type %T) but config.default.yml has no SAMPLE key", path, x) } return case reflect.Struct: for i := 0; i < v.NumField(); i++ { val := v.Field(i) if val.CanInterface() { s.checkSAMPLEKeys(c, path+"."+v.Type().Field(i).Name, val.Interface()) } } } } func (s *LoadSuite) TestDefaultConfigHasAllSAMPLEKeys(c *check.C) { var logbuf bytes.Buffer loader := testLoader(c, string(DefaultYAML), &logbuf) cfg, err := loader.Load() c.Assert(err, check.IsNil) s.checkSAMPLEKeys(c, "", cfg) } func (s *LoadSuite) TestNoUnrecognizedKeysInDefaultConfig(c *check.C) { var logbuf bytes.Buffer var supplied map[string]interface{} yaml.Unmarshal(DefaultYAML, &supplied) loader := testLoader(c, string(DefaultYAML), &logbuf) cfg, err := loader.Load() c.Assert(err, check.IsNil) var loaded map[string]interface{} buf, err := yaml.Marshal(cfg) c.Assert(err, check.IsNil) err = yaml.Unmarshal(buf, &loaded) c.Assert(err, check.IsNil) c.Check(logbuf.String(), check.Matches, `(?ms).*SystemRootToken: secret token is not set.*`) c.Check(logbuf.String(), check.Matches, `(?ms).*ManagementToken: secret token is not set.*`) c.Check(logbuf.String(), check.Matches, `(?ms).*Collections.BlobSigningKey: secret token is not set.*`) logbuf.Reset() loader.logExtraKeys(loaded, supplied, "") c.Check(logbuf.String(), check.Equals, "") } func (s *LoadSuite) TestNoWarningsForDumpedConfig(c *check.C) { var logbuf bytes.Buffer cfg, err := testLoader(c, ` Clusters: zzzzz: ManagementToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa SystemRootToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Collections: BlobSigningKey: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa InstanceTypes: abc: IncludedScratch: 123456 `, &logbuf).Load() c.Assert(err, check.IsNil) yaml, err := yaml.Marshal(cfg) c.Assert(err, check.IsNil) // Well, *nearly* no warnings. SourceTimestamp and // SourceSHA256 are included in a config-dump, but not // expected in a real config file. yaml = regexp.MustCompile(`(^|\n)(Source(Timestamp|SHA256): .*?\n)+`).ReplaceAll(yaml, []byte("$1")) cfgDumped, err := testLoader(c, string(yaml), &logbuf).Load() c.Assert(err, check.IsNil) // SourceTimestamp and SourceSHA256 aren't expected to be // preserved through dump+load cfgDumped.SourceTimestamp = cfg.SourceTimestamp cfgDumped.SourceSHA256 = cfg.SourceSHA256 c.Check(cfg, check.DeepEquals, cfgDumped) c.Check(logbuf.String(), check.Equals, "") } func (s *LoadSuite) TestUnacceptableTokens(c *check.C) { for _, trial := range []struct { short bool configPath string example string }{ {false, "SystemRootToken", "SystemRootToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa_b_c"}, {false, "ManagementToken", "ManagementToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa b c"}, {false, "ManagementToken", "ManagementToken: \"$aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabc\""}, {false, "Collections.BlobSigningKey", "Collections: {BlobSigningKey: \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa⛵\"}"}, {true, "SystemRootToken", "SystemRootToken: a_b_c"}, {true, "ManagementToken", "ManagementToken: a b c"}, {true, "ManagementToken", "ManagementToken: \"$abc\""}, {true, "Collections.BlobSigningKey", "Collections: {BlobSigningKey: \"⛵\"}"}, } { c.Logf("trying bogus config: %s", trial.example) _, err := testLoader(c, "Clusters:\n zzzzz:\n "+trial.example, nil).Load() c.Check(err, check.ErrorMatches, `Clusters.zzzzz.`+trial.configPath+`: unacceptable characters in token.*`) } } func (s *LoadSuite) TestPostgreSQLKeyConflict(c *check.C) { _, err := testLoader(c, ` Clusters: zzzzz: PostgreSQL: Connection: DBName: dbname Host: host `, nil).Load() c.Check(err, check.ErrorMatches, `Clusters.zzzzz.PostgreSQL.Connection: multiple entries for "(dbname|host)".*`) } func (s *LoadSuite) TestBadClusterIDs(c *check.C) { for _, data := range []string{` Clusters: 123456: ManagementToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa SystemRootToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Collections: BlobSigningKey: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa `, ` Clusters: 12345: ManagementToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa SystemRootToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Collections: BlobSigningKey: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa RemoteClusters: Zzzzz: Host: Zzzzz.arvadosapi.com Proxy: true `, ` Clusters: abcde: ManagementToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa SystemRootToken: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Collections: BlobSigningKey: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa Login: LoginCluster: zz-zz `, } { c.Log(data) v, err := testLoader(c, data, nil).Load() if v != nil { c.Logf("%#v", v.Clusters) } c.Check(err, check.ErrorMatches, `.*cluster ID should be 5 lowercase alphanumeric characters.*`) } } func (s *LoadSuite) TestBadType(c *check.C) { for _, data := range []string{` Clusters: zzzzz: PostgreSQL: true `, ` Clusters: zzzzz: PostgreSQL: ConnectionPool: true `, ` Clusters: zzzzz: PostgreSQL: ConnectionPool: "foo" `, ` Clusters: zzzzz: PostgreSQL: ConnectionPool: [] `, ` Clusters: zzzzz: PostgreSQL: ConnectionPool: [] # {foo: bar} isn't caught here; we rely on config-check `, } { c.Log(data) v, err := testLoader(c, data, nil).Load() if v != nil { c.Logf("%#v", v.Clusters["zzzzz"].PostgreSQL.ConnectionPool) } c.Check(err, check.ErrorMatches, `.*cannot unmarshal .*PostgreSQL.*`) } } func (s *LoadSuite) TestMovedKeys(c *check.C) { checkEquivalent(c, `# config has old keys only Clusters: zzzzz: RequestLimits: MultiClusterRequestConcurrency: 3 MaxItemsPerResponse: 999 `, ` Clusters: zzzzz: API: MaxRequestAmplification: 3 MaxItemsPerResponse: 999 `) checkEquivalent(c, `# config has both old and new keys; old values win Clusters: zzzzz: RequestLimits: MultiClusterRequestConcurrency: 0 MaxItemsPerResponse: 555 API: MaxRequestAmplification: 3 MaxItemsPerResponse: 999 `, ` Clusters: zzzzz: API: MaxRequestAmplification: 0 MaxItemsPerResponse: 555 `) } func checkEquivalent(c *check.C, goty, expectedy string) string { var logbuf bytes.Buffer gotldr := testLoader(c, goty, &logbuf) expectedldr := testLoader(c, expectedy, nil) checkEquivalentLoaders(c, gotldr, expectedldr) return logbuf.String() } func checkEqualYAML(c *check.C, got, expected interface{}) { expectedyaml, err := yaml.Marshal(expected) c.Assert(err, check.IsNil) gotyaml, err := yaml.Marshal(got) c.Assert(err, check.IsNil) if !bytes.Equal(gotyaml, expectedyaml) { cmd := exec.Command("diff", "-u", "--label", "expected", "--label", "got", "/dev/fd/3", "/dev/fd/4") for _, y := range [][]byte{expectedyaml, gotyaml} { pr, pw, err := os.Pipe() c.Assert(err, check.IsNil) defer pr.Close() go func(data []byte) { pw.Write(data) pw.Close() }(y) cmd.ExtraFiles = append(cmd.ExtraFiles, pr) } diff, err := cmd.CombinedOutput() // diff should report differences and exit non-zero. c.Check(err, check.NotNil) c.Log(string(diff)) c.Error("got != expected; see diff (-expected +got) above") } } func checkEquivalentLoaders(c *check.C, gotldr, expectedldr *Loader) { got, err := gotldr.Load() c.Assert(err, check.IsNil) expected, err := expectedldr.Load() c.Assert(err, check.IsNil) // The inputs generally aren't even files, so SourceTimestamp // can't be expected to match. got.SourceTimestamp = expected.SourceTimestamp // Obviously the content isn't identical -- otherwise we // wouldn't need to check that it's equivalent. got.SourceSHA256 = expected.SourceSHA256 checkEqualYAML(c, got, expected) } func checkListKeys(path string, x interface{}) (err error) { v := reflect.Indirect(reflect.ValueOf(x)) switch v.Kind() { case reflect.Map: iter := v.MapRange() for iter.Next() { k := iter.Key() if k.Kind() == reflect.String { if err = checkListKeys(path+"."+k.String(), iter.Value().Interface()); err != nil { return } } } return case reflect.Struct: for i := 0; i < v.NumField(); i++ { val := v.Field(i) structField := v.Type().Field(i) fieldname := structField.Name endsWithList := strings.HasSuffix(fieldname, "List") isAnArray := structField.Type.Kind() == reflect.Slice if endsWithList != isAnArray { if endsWithList { err = fmt.Errorf("%s.%s ends with 'List' but field is not an array (type %v)", path, fieldname, val.Kind()) return } if isAnArray && structField.Type.Elem().Kind() != reflect.Uint8 { err = fmt.Errorf("%s.%s is an array but field name does not end in 'List' (slice of %v)", path, fieldname, structField.Type.Elem().Kind()) return } } if val.CanInterface() { checkListKeys(path+"."+fieldname, val.Interface()) } } } return } func (s *LoadSuite) TestListKeys(c *check.C) { v1 := struct { EndInList []string }{[]string{"a", "b"}} var m1 = make(map[string]interface{}) m1["c"] = &v1 if err := checkListKeys("", m1); err != nil { c.Error(err) } v2 := struct { DoesNot []string }{[]string{"a", "b"}} var m2 = make(map[string]interface{}) m2["c"] = &v2 if err := checkListKeys("", m2); err == nil { c.Errorf("Should have produced an error") } v3 := struct { EndInList string }{"a"} var m3 = make(map[string]interface{}) m3["c"] = &v3 if err := checkListKeys("", m3); err == nil { c.Errorf("Should have produced an error") } loader := testLoader(c, string(DefaultYAML), nil) cfg, err := loader.Load() c.Assert(err, check.IsNil) if err := checkListKeys("", cfg); err != nil { c.Error(err) } } func (s *LoadSuite) TestLoopbackInstanceTypes(c *check.C) { ldr := testLoader(c, ` Clusters: z1111: Containers: CloudVMs: Enable: true Driver: loopback InstanceTypes: a: {} b: {} `, nil) cfg, err := ldr.Load() c.Check(err, check.ErrorMatches, `Clusters\.z1111\.InstanceTypes: cannot use multiple InstanceTypes with loopback driver`) ldr = testLoader(c, ` Clusters: z1111: Containers: CloudVMs: Enable: true Driver: loopback `, nil) cfg, err = ldr.Load() c.Assert(err, check.IsNil) cc, err := cfg.GetCluster("") c.Assert(err, check.IsNil) c.Check(cc.InstanceTypes, check.HasLen, 1) c.Check(cc.InstanceTypes["localhost"].VCPUs, check.Equals, runtime.NumCPU()) ldr = testLoader(c, ` Clusters: z1111: Containers: CloudVMs: Enable: true Driver: loopback InstanceTypes: a: VCPUs: 9 `, nil) cfg, err = ldr.Load() c.Assert(err, check.IsNil) cc, err = cfg.GetCluster("") c.Assert(err, check.IsNil) c.Check(cc.InstanceTypes, check.HasLen, 1) c.Check(cc.InstanceTypes["a"].VCPUs, check.Equals, 9) } func (s *LoadSuite) TestWarnUnusedLocalKeep(c *check.C) { var logbuf bytes.Buffer _, err := testLoader(c, ` Clusters: z1111: Volumes: z: Replication: 1 `, &logbuf).Load() c.Assert(err, check.IsNil) c.Check(logbuf.String(), check.Matches, `(?ms).*LocalKeepBlobBuffersPerVCPU is 1 but will not be used because at least one volume \(z\) has lower replication than DefaultReplication \(1 < 2\) -- suggest changing to 0.*`) logbuf.Reset() _, err = testLoader(c, ` Clusters: z1111: Volumes: z: AccessViaHosts: "http://0.0.0.0:12345": {} `, &logbuf).Load() c.Assert(err, check.IsNil) c.Check(logbuf.String(), check.Matches, `(?ms).*LocalKeepBlobBuffersPerVCPU is 1 but will not be used because at least one volume \(z\) uses AccessViaHosts -- suggest changing to 0.*`) } func (s *LoadSuite) TestImplicitStorageClasses(c *check.C) { // If StorageClasses and Volumes.*.StorageClasses are all // empty, there is a default storage class named "default". ldr := testLoader(c, `{"Clusters":{"z1111":{}}}`, nil) cfg, err := ldr.Load() c.Assert(err, check.IsNil) cc, err := cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(cc.StorageClasses, check.HasLen, 1) c.Check(cc.StorageClasses["default"].Default, check.Equals, true) c.Check(cc.StorageClasses["default"].Priority, check.Equals, 0) // The implicit "default" storage class is used by all // volumes. ldr = testLoader(c, ` Clusters: z1111: Volumes: z: {}`, nil) cfg, err = ldr.Load() c.Assert(err, check.IsNil) cc, err = cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(cc.StorageClasses, check.HasLen, 1) c.Check(cc.StorageClasses["default"].Default, check.Equals, true) c.Check(cc.StorageClasses["default"].Priority, check.Equals, 0) c.Check(cc.Volumes["z"].StorageClasses["default"], check.Equals, true) // The "default" storage class isn't implicit if any classes // are configured explicitly. ldr = testLoader(c, ` Clusters: z1111: StorageClasses: local: Default: true Priority: 111 Volumes: z: StorageClasses: local: true`, nil) cfg, err = ldr.Load() c.Assert(err, check.IsNil) cc, err = cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(cc.StorageClasses, check.HasLen, 1) c.Check(cc.StorageClasses["local"].Default, check.Equals, true) c.Check(cc.StorageClasses["local"].Priority, check.Equals, 111) // It is an error for a volume to refer to a storage class // that isn't listed in StorageClasses. ldr = testLoader(c, ` Clusters: z1111: StorageClasses: local: Default: true Priority: 111 Volumes: z: StorageClasses: nx: true`, nil) _, err = ldr.Load() c.Assert(err, check.ErrorMatches, `z: volume refers to storage class "nx" that is not defined.*`) // It is an error for a volume to refer to a storage class // that isn't listed in StorageClasses ... even if it's // "default", which would exist implicitly if it weren't // referenced explicitly by a volume. ldr = testLoader(c, ` Clusters: z1111: Volumes: z: StorageClasses: default: true`, nil) _, err = ldr.Load() c.Assert(err, check.ErrorMatches, `z: volume refers to storage class "default" that is not defined.*`) // If the "default" storage class is configured explicitly, it // is not used implicitly by any volumes, even if it's the // only storage class. var logbuf bytes.Buffer ldr = testLoader(c, ` Clusters: z1111: StorageClasses: default: Default: true Priority: 111 Volumes: z: {}`, &logbuf) _, err = ldr.Load() c.Assert(err, check.ErrorMatches, `z: volume has no StorageClasses listed`) // If StorageClasses are configured explicitly, there must be // at least one with Default: true. (Calling one "default" is // not sufficient.) ldr = testLoader(c, ` Clusters: z1111: StorageClasses: default: Priority: 111 Volumes: z: StorageClasses: default: true`, nil) _, err = ldr.Load() c.Assert(err, check.ErrorMatches, `there is no default storage class.*`) } func (s *LoadSuite) TestPreemptiblePriceFactor(c *check.C) { yaml := ` Clusters: z1111: InstanceTypes: Type1: RAM: 12345M VCPUs: 8 Price: 1.23 z2222: Containers: PreemptiblePriceFactor: 0.5 InstanceTypes: Type1: RAM: 12345M VCPUs: 8 Price: 1.23 z3333: Containers: PreemptiblePriceFactor: 0.5 InstanceTypes: Type1: RAM: 12345M VCPUs: 8 Price: 1.23 Type1.preemptible: # higher price than the auto-added variant would use -- should generate warning ProviderType: Type1 RAM: 12345M VCPUs: 8 Price: 1.23 Preemptible: true Type2: RAM: 23456M VCPUs: 16 Price: 2.46 Type2.preemptible: # identical to the auto-added variant -- so no warning ProviderType: Type2 RAM: 23456M VCPUs: 16 Price: 1.23 Preemptible: true ` var logbuf bytes.Buffer cfg, err := testLoader(c, yaml, &logbuf).Load() c.Assert(err, check.IsNil) cc, err := cfg.GetCluster("z1111") c.Assert(err, check.IsNil) c.Check(cc.InstanceTypes["Type1"].Price, check.Equals, 1.23) c.Check(cc.InstanceTypes, check.HasLen, 1) cc, err = cfg.GetCluster("z2222") c.Assert(err, check.IsNil) c.Check(cc.InstanceTypes["Type1"].Preemptible, check.Equals, false) c.Check(cc.InstanceTypes["Type1"].Price, check.Equals, 1.23) c.Check(cc.InstanceTypes["Type1.preemptible"].Preemptible, check.Equals, true) c.Check(cc.InstanceTypes["Type1.preemptible"].Price, check.Equals, 1.23/2) c.Check(cc.InstanceTypes["Type1.preemptible"].ProviderType, check.Equals, "Type1") c.Check(cc.InstanceTypes, check.HasLen, 2) cc, err = cfg.GetCluster("z3333") c.Assert(err, check.IsNil) // Don't overwrite the explicitly configured preemptible variant c.Check(cc.InstanceTypes["Type1.preemptible"].Price, check.Equals, 1.23) c.Check(cc.InstanceTypes, check.HasLen, 4) c.Check(logbuf.String(), check.Matches, `(?ms).*Clusters\.z3333\.InstanceTypes\[Type1\.preemptible\]: already exists, so not automatically adding a preemptible variant of Type1.*`) c.Check(logbuf.String(), check.Not(check.Matches), `(?ms).*Type2\.preemptible.*`) c.Check(logbuf.String(), check.Not(check.Matches), `(?ms).*(z1111|z2222)[^\n]*InstanceTypes.*`) } func (s *LoadSuite) TestSourceTimestamp(c *check.C) { conftime, err := time.Parse(time.RFC3339, "2022-03-04T05:06:07-08:00") c.Assert(err, check.IsNil) confdata := `Clusters: {zzzzz: {}}` conffile := c.MkDir() + "/config.yml" ioutil.WriteFile(conffile, []byte(confdata), 0777) tv := unix.NsecToTimeval(conftime.UnixNano()) unix.Lutimes(conffile, []unix.Timeval{tv, tv}) for _, trial := range []struct { configarg string expectTime time.Time }{ {"-", time.Now()}, {conffile, conftime}, } { c.Logf("trial: %+v", trial) ldr := NewLoader(strings.NewReader(confdata), ctxlog.TestLogger(c)) ldr.Path = trial.configarg cfg, err := ldr.Load() c.Assert(err, check.IsNil) c.Check(cfg.SourceTimestamp, check.Equals, cfg.SourceTimestamp.UTC()) c.Check(cfg.SourceTimestamp, check.Equals, ldr.sourceTimestamp) c.Check(int(cfg.SourceTimestamp.Sub(trial.expectTime).Seconds()), check.Equals, 0) c.Check(int(ldr.loadTimestamp.Sub(time.Now()).Seconds()), check.Equals, 0) var buf bytes.Buffer reg := prometheus.NewRegistry() ldr.RegisterMetrics(reg) enc := expfmt.NewEncoder(&buf, expfmt.FmtText) got, _ := reg.Gather() for _, mf := range got { enc.Encode(mf) } c.Check(buf.String(), check.Matches, `# HELP .* # TYPE .* arvados_config_load_timestamp_seconds{sha256="83aea5d82eb1d53372cd65c936c60acc1c6ef946e61977bbca7cfea709d201a8"} \Q`+fmt.Sprintf("%g", float64(ldr.loadTimestamp.UnixNano())/1e9)+`\E # HELP .* # TYPE .* arvados_config_source_timestamp_seconds{sha256="83aea5d82eb1d53372cd65c936c60acc1c6ef946e61977bbca7cfea709d201a8"} \Q`+fmt.Sprintf("%g", float64(cfg.SourceTimestamp.UnixNano())/1e9)+`\E `) } } func (s *LoadSuite) TestGetHostRAM(c *check.C) { hostram, err := getHostRAM() c.Check(err, check.IsNil) c.Logf("getHostRAM() == %v", hostram) } func (s *LoadSuite) TestGetFilesystemSize(c *check.C) { path := c.MkDir() size, err := getFilesystemSize(path) c.Check(err, check.IsNil) c.Logf("getFilesystemSize(%q) == %v", path, size) }