+
+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)
+}