mirror of
https://github.com/prometheus/prometheus
synced 2024-12-24 23:42:32 +00:00
Refactor on discovery/manager_test.go
- Use testutil.ToFloat64 to collect testing metrics - Declare ServiceDiscoveryConfig directly instead of calling Unmarshal on a piece of YAML Signed-off-by: Nevill <nevill.dutt@gmail.com>
This commit is contained in:
Nevill
parent
895abbb7d0
commit
7465f27ea5
@ -25,11 +25,13 @@ import (
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"time"
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"github.com/go-kit/kit/log"
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"github.com/prometheus/client_golang/prometheus"
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dto "github.com/prometheus/client_model/go"
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"github.com/prometheus/client_golang/prometheus/testutil"
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common_config "github.com/prometheus/common/config"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/config"
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sd_config "github.com/prometheus/prometheus/discovery/config"
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"github.com/prometheus/prometheus/discovery/consul"
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"github.com/prometheus/prometheus/discovery/file"
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"github.com/prometheus/prometheus/discovery/targetgroup"
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"gopkg.in/yaml.v2"
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)
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@ -749,27 +751,33 @@ func verifyPresence(t *testing.T, tSets map[poolKey]map[string]*targetgroup.Grou
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}
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func TestTargetSetRecreatesTargetGroupsEveryRun(t *testing.T) {
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cfg := &config.Config{}
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sOne := `
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scrape_configs:
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- job_name: 'prometheus'
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static_configs:
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- targets: ["foo:9090"]
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- targets: ["bar:9090"]
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`
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if err := yaml.UnmarshalStrict([]byte(sOne), cfg); err != nil {
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t.Fatalf("Unable to load YAML config sOne: %s", err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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discoveryManager := NewManager(ctx, log.NewNopLogger())
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discoveryManager.updatert = 100 * time.Millisecond
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go discoveryManager.Run()
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c := make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfg.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c := map[string]sd_config.ServiceDiscoveryConfig{
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"prometheus": sd_config.ServiceDiscoveryConfig{
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StaticConfigs: []*targetgroup.Group{
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&targetgroup.Group{
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Source: "0",
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Targets: []model.LabelSet{
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model.LabelSet{
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model.AddressLabel: model.LabelValue("foo:9090"),
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},
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},
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},
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&targetgroup.Group{
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Source: "1",
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Targets: []model.LabelSet{
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model.LabelSet{
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model.AddressLabel: model.LabelValue("bar:9090"),
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},
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},
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},
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},
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},
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}
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discoveryManager.ApplyConfig(c)
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@ -777,18 +785,17 @@ scrape_configs:
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verifyPresence(t, discoveryManager.targets, poolKey{setName: "prometheus", provider: "string/0"}, "{__address__=\"foo:9090\"}", true)
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verifyPresence(t, discoveryManager.targets, poolKey{setName: "prometheus", provider: "string/0"}, "{__address__=\"bar:9090\"}", true)
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sTwo := `
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scrape_configs:
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- job_name: 'prometheus'
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static_configs:
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- targets: ["foo:9090"]
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`
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if err := yaml.UnmarshalStrict([]byte(sTwo), cfg); err != nil {
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t.Fatalf("Unable to load YAML config sTwo: %s", err)
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}
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c = make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfg.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c["prometheus"] = sd_config.ServiceDiscoveryConfig{
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StaticConfigs: []*targetgroup.Group{
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&targetgroup.Group{
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Source: "0",
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Targets: []model.LabelSet{
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model.LabelSet{
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model.AddressLabel: model.LabelValue("foo:9090"),
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},
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},
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},
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},
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}
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discoveryManager.ApplyConfig(c)
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@ -801,43 +808,33 @@ scrape_configs:
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// removing all targets from the static_configs sends an update with empty targetGroups.
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// This is required to signal the receiver that this target set has no current targets.
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func TestTargetSetRecreatesEmptyStaticConfigs(t *testing.T) {
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cfg := &config.Config{}
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sOne := `
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scrape_configs:
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- job_name: 'prometheus'
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static_configs:
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- targets: ["foo:9090"]
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`
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if err := yaml.UnmarshalStrict([]byte(sOne), cfg); err != nil {
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t.Fatalf("Unable to load YAML config sOne: %s", err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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discoveryManager := NewManager(ctx, log.NewNopLogger())
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discoveryManager.updatert = 100 * time.Millisecond
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go discoveryManager.Run()
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c := make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfg.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c := map[string]sd_config.ServiceDiscoveryConfig{
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"prometheus": sd_config.ServiceDiscoveryConfig{
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StaticConfigs: []*targetgroup.Group{
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&targetgroup.Group{
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Source: "0",
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Targets: []model.LabelSet{
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model.LabelSet{
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model.AddressLabel: model.LabelValue("foo:9090"),
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},
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},
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},
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},
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},
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}
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discoveryManager.ApplyConfig(c)
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<-discoveryManager.SyncCh()
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verifyPresence(t, discoveryManager.targets, poolKey{setName: "prometheus", provider: "string/0"}, "{__address__=\"foo:9090\"}", true)
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sTwo := `
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scrape_configs:
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- job_name: 'prometheus'
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static_configs:
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`
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if err := yaml.UnmarshalStrict([]byte(sTwo), cfg); err != nil {
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t.Fatalf("Unable to load YAML config sTwo: %s", err)
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}
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c = make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfg.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c["prometheus"] = sd_config.ServiceDiscoveryConfig{
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StaticConfigs: []*targetgroup.Group{},
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}
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discoveryManager.ApplyConfig(c)
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@ -876,30 +873,33 @@ func TestIdenticalConfigurationsAreCoalesced(t *testing.T) {
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}
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defer os.Remove(tmpFile2)
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cfg := &config.Config{}
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sOne := `
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scrape_configs:
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- job_name: 'prometheus'
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file_sd_configs:
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- files: ["%s"]
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- job_name: 'prometheus2'
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file_sd_configs:
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- files: ["%s"]
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`
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sOne = fmt.Sprintf(sOne, tmpFile2, tmpFile2)
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if err := yaml.UnmarshalStrict([]byte(sOne), cfg); err != nil {
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t.Fatalf("Unable to load YAML config sOne: %s", err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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discoveryManager := NewManager(ctx, nil)
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discoveryManager.updatert = 100 * time.Millisecond
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go discoveryManager.Run()
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c := make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfg.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c := map[string]sd_config.ServiceDiscoveryConfig{
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"prometheus": sd_config.ServiceDiscoveryConfig{
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FileSDConfigs: []*file.SDConfig{
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&file.SDConfig{
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Files: []string{
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tmpFile2,
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},
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RefreshInterval: file.DefaultSDConfig.RefreshInterval,
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},
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},
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},
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"prometheus2": sd_config.ServiceDiscoveryConfig{
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FileSDConfigs: []*file.SDConfig{
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&file.SDConfig{
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Files: []string{
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tmpFile2,
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},
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RefreshInterval: file.DefaultSDConfig.RefreshInterval,
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},
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},
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},
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}
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discoveryManager.ApplyConfig(c)
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@ -924,7 +924,6 @@ scrape_configs:
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if err := yaml.UnmarshalStrict([]byte(cfgText), originalConfig); err != nil {
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t.Fatalf("Unable to load YAML config cfgYaml: %s", err)
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}
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origScrpCfg := originalConfig.ScrapeConfigs[0]
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processedConfig := &config.Config{}
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if err := yaml.UnmarshalStrict([]byte(cfgText), processedConfig); err != nil {
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@ -936,100 +935,76 @@ scrape_configs:
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discoveryManager.updatert = 100 * time.Millisecond
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go discoveryManager.Run()
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c := make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range processedConfig.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c := map[string]sd_config.ServiceDiscoveryConfig{
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"prometheus": processedConfig.ScrapeConfigs[0].ServiceDiscoveryConfig,
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}
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discoveryManager.ApplyConfig(c)
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<-discoveryManager.SyncCh()
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origSdcfg := originalConfig.ScrapeConfigs[0].ServiceDiscoveryConfig
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for _, sdcfg := range c {
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if !reflect.DeepEqual(origScrpCfg.ServiceDiscoveryConfig.StaticConfigs, sdcfg.StaticConfigs) {
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if !reflect.DeepEqual(origSdcfg.StaticConfigs, sdcfg.StaticConfigs) {
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t.Fatalf("discovery manager modified static config \n expected: %v\n got: %v\n",
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origScrpCfg.ServiceDiscoveryConfig.StaticConfigs, sdcfg.StaticConfigs)
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origSdcfg.StaticConfigs, sdcfg.StaticConfigs)
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}
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}
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}
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func TestGaugeFailedConfigs(t *testing.T) {
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var (
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fcGauge prometheus.Gauge
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err error
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)
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cfgOneText := `
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scrape_configs:
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- job_name: prometheus
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consul_sd_configs:
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- server: "foo:8500"
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tls_config:
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cert_file: "/tmp/non_existent"
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- server: "bar:8500"
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tls_config:
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cert_file: "/tmp/non_existent"
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- server: "foo2:8500"
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tls_config:
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cert_file: "/tmp/non_existent"
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`
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cfgOne := &config.Config{}
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err = yaml.UnmarshalStrict([]byte(cfgOneText), cfgOne)
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if err != nil {
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t.Fatalf("Unable to load YAML config cfgOne: %s", err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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discoveryManager := NewManager(ctx, log.NewNopLogger())
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discoveryManager.updatert = 100 * time.Millisecond
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go discoveryManager.Run()
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c := make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfgOne.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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c := map[string]sd_config.ServiceDiscoveryConfig{
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"prometheus": sd_config.ServiceDiscoveryConfig{
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ConsulSDConfigs: []*consul.SDConfig{
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&consul.SDConfig{
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Server: "foo:8500",
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TLSConfig: common_config.TLSConfig{
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CertFile: "/tmp/non_existent",
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},
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},
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&consul.SDConfig{
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Server: "bar:8500",
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TLSConfig: common_config.TLSConfig{
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CertFile: "/tmp/non_existent",
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},
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},
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&consul.SDConfig{
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Server: "foo2:8500",
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TLSConfig: common_config.TLSConfig{
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CertFile: "/tmp/non_existent",
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},
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},
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},
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},
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}
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discoveryManager.ApplyConfig(c)
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<-discoveryManager.SyncCh()
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metricOne := &dto.Metric{}
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fcGauge, err = failedConfigs.GetMetricWithLabelValues(discoveryManager.name)
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if err != nil {
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t.Fatal(err)
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}
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fcGauge.Write(metricOne)
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failedCount := metricOne.GetGauge().GetValue()
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failedCount := testutil.ToFloat64(failedConfigs)
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if failedCount != 3 {
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t.Fatalf("Expected to have 3 failed configs, got: %v", failedCount)
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}
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cfgTwoText := `
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scrape_configs:
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- job_name: 'prometheus'
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static_configs:
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- targets: ["foo:9090"]
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`
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cfgTwo := &config.Config{}
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if err := yaml.UnmarshalStrict([]byte(cfgTwoText), cfgTwo); err != nil {
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t.Fatalf("Unable to load YAML config cfgTwo: %s", err)
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c["prometheus"] = sd_config.ServiceDiscoveryConfig{
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StaticConfigs: []*targetgroup.Group{
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&targetgroup.Group{
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Source: "0",
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Targets: []model.LabelSet{
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model.LabelSet{
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model.AddressLabel: "foo:9090",
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},
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},
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},
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},
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}
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c = make(map[string]sd_config.ServiceDiscoveryConfig)
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for _, v := range cfgTwo.ScrapeConfigs {
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c[v.JobName] = v.ServiceDiscoveryConfig
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}
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discoveryManager.ApplyConfig(c)
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<-discoveryManager.SyncCh()
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metricTwo := &dto.Metric{}
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fcGauge, err = failedConfigs.GetMetricWithLabelValues(discoveryManager.name)
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if err != nil {
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t.Fatal(err)
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}
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fcGauge.Write(metricTwo)
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failedCount = metricTwo.GetGauge().GetValue()
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failedCount = testutil.ToFloat64(failedConfigs)
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if failedCount != 0 {
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t.Fatalf("Expected to get no failed config, got: %v", failedCount)
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}
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