package config import ( "fmt" "strings" "testing" "time" "github.com/TwinProduction/gatus/core" "github.com/TwinProduction/gatus/k8stest" v1 "k8s.io/api/core/v1" ) func TestGetBeforeConfigIsLoaded(t *testing.T) { defer func() { recover() }() Get() t.Fatal("Should've panicked because the configuration hasn't been loaded yet") } func TestSet(t *testing.T) { if config != nil { t.Fatal("config should've been nil") } Set(&Config{}) if config == nil { t.Fatal("config shouldn't have been nil") } } func TestLoadFileThatDoesNotExist(t *testing.T) { err := Load("file-that-does-not-exist.yaml") if err == nil { t.Error("Should've returned an error, because the file specified doesn't exist") } } func TestLoadDefaultConfigurationFile(t *testing.T) { err := LoadDefaultConfiguration() if err == nil { t.Error("Should've returned an error, because there's no configuration files at the default path nor the default fallback path") } } func TestParseAndValidateConfigBytes(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` services: - name: twinnation url: https://twinnation.org/health interval: 15s conditions: - "[STATUS] == 200" - name: github url: https://api.github.com/healthz conditions: - "[STATUS] != 400" - "[STATUS] != 500" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if len(config.Services) != 2 { t.Error("Should have returned two services") } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[1].URL != "https://api.github.com/healthz" { t.Errorf("URL should have been %s", "https://api.github.com/healthz") } if config.Services[0].Method != "GET" { t.Errorf("Method should have been %s (default)", "GET") } if config.Services[1].Method != "GET" { t.Errorf("Method should have been %s (default)", "GET") } if config.Services[0].Interval != 15*time.Second { t.Errorf("Interval should have been %s", 15*time.Second) } if config.Services[1].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if len(config.Services[0].Conditions) != 1 { t.Errorf("There should have been %d conditions", 1) } if len(config.Services[1].Conditions) != 2 { t.Errorf("There should have been %d conditions", 2) } } func TestParseAndValidateConfigBytesDefault(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Metrics { t.Error("Metrics should've been false by default") } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if config.Web.Address != DefaultAddress { t.Errorf("Bind address should have been %s, because it is the default value", DefaultAddress) } if config.Web.Port != DefaultPort { t.Errorf("Port should have been %d, because it is the default value", DefaultPort) } } func TestParseAndValidateConfigBytesWithAddress(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` web: address: 127.0.0.1 services: - name: twinnation url: https://twinnation.org/actuator/health conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Metrics { t.Error("Metrics should've been false by default") } if config.Services[0].URL != "https://twinnation.org/actuator/health" { t.Errorf("URL should have been %s", "https://twinnation.org/actuator/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if config.Web.Address != "127.0.0.1" { t.Errorf("Bind address should have been %s, because it is specified in config", "127.0.0.1") } if config.Web.Port != DefaultPort { t.Errorf("Port should have been %d, because it is the default value", DefaultPort) } } func TestParseAndValidateConfigBytesWithPort(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` web: port: 12345 services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Metrics { t.Error("Metrics should've been false by default") } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if config.Web.Address != DefaultAddress { t.Errorf("Bind address should have been %s, because it is the default value", DefaultAddress) } if config.Web.Port != 12345 { t.Errorf("Port should have been %d, because it is specified in config", 12345) } } func TestParseAndValidateConfigBytesWithPortAndHost(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` web: port: 12345 address: 127.0.0.1 services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Metrics { t.Error("Metrics should've been false by default") } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if config.Web.Address != "127.0.0.1" { t.Errorf("Bind address should have been %s, because it is specified in config", "127.0.0.1") } if config.Web.Port != 12345 { t.Errorf("Port should have been %d, because it is specified in config", 12345) } } func TestParseAndValidateConfigBytesWithInvalidPort(t *testing.T) { defer func() { recover() }() _, _ = parseAndValidateConfigBytes([]byte(` web: port: 65536 address: 127.0.0.1 services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `)) t.Fatal("Should've panicked because the configuration specifies an invalid port value") } func TestParseAndValidateConfigBytesWithMetricsAndCustomUserAgentHeader(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` metrics: true services: - name: twinnation url: https://twinnation.org/health headers: User-Agent: Test/2.0 conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if !config.Metrics { t.Error("Metrics should have been true") } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if config.Web.Address != DefaultAddress { t.Errorf("Bind address should have been %s, because it is the default value", DefaultAddress) } if config.Web.Port != DefaultPort { t.Errorf("Port should have been %d, because it is the default value", DefaultPort) } if userAgent := config.Services[0].Headers["User-Agent"]; userAgent != "Test/2.0" { t.Errorf("User-Agent should've been %s, got %s", "Test/2.0", userAgent) } } func TestParseAndValidateConfigBytesWithMetricsAndHostAndPort(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` metrics: true web: address: 192.168.0.1 port: 9090 services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if !config.Metrics { t.Error("Metrics should have been true") } if config.Web.Address != "192.168.0.1" { t.Errorf("Bind address should have been %s, because it is the default value", "192.168.0.1") } if config.Web.Port != 9090 { t.Errorf("Port should have been %d, because it is specified in config", 9090) } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if userAgent := config.Services[0].Headers["User-Agent"]; userAgent != core.GatusUserAgent { t.Errorf("User-Agent should've been %s because it's the default value, got %s", core.GatusUserAgent, userAgent) } } func TestParseAndValidateBadConfigBytes(t *testing.T) { _, err := parseAndValidateConfigBytes([]byte(` badconfig: - asdsa: w0w usadasdrl: asdxzczxc asdas: - soup `)) if err == nil { t.Error("An error should've been returned") } if err != ErrNoServiceInConfig { t.Error("The error returned should have been of type ErrNoServiceInConfig") } } func TestParseAndValidateConfigBytesWithAlerting(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` debug: true alerting: slack: webhook-url: "http://example.com" pagerduty: integration-key: "00000000000000000000000000000000" messagebird: access-key: "1" originator: "31619191918" recipients: "31619191919" services: - name: twinnation url: https://twinnation.org/health alerts: - type: slack enabled: true - type: pagerduty enabled: true failure-threshold: 7 success-threshold: 5 description: "Healthcheck failed 7 times in a row" - type: messagebird enabled: true conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Metrics { t.Error("Metrics should've been false by default") } if config.Alerting == nil { t.Fatal("config.Alerting shouldn't have been nil") } if config.Alerting.Slack == nil || !config.Alerting.Slack.IsValid() { t.Fatal("Slack alerting config should've been valid") } if config.Alerting.Slack.WebhookURL != "http://example.com" { t.Errorf("Slack webhook should've been %s, but was %s", "http://example.com", config.Alerting.Slack.WebhookURL) } if config.Alerting.PagerDuty == nil || !config.Alerting.PagerDuty.IsValid() { t.Fatal("PagerDuty alerting config should've been valid") } if config.Alerting.Messagebird == nil || !config.Alerting.Messagebird.IsValid() { t.Fatal("Messagebird alerting config should've been valid") } if config.Alerting.PagerDuty.IntegrationKey != "00000000000000000000000000000000" { t.Errorf("PagerDuty integration key should've been %s, but was %s", "00000000000000000000000000000000", config.Alerting.PagerDuty.IntegrationKey) } if config.Alerting.Messagebird.AccessKey != "1" { t.Errorf("Messagebird access key should've been %s, but was %s", "1", config.Alerting.Messagebird.AccessKey) } if config.Alerting.Messagebird.Originator != "31619191918" { t.Errorf("Messagebird originator field should've been %s, but was %s", "31619191918", config.Alerting.Messagebird.Originator) } if config.Alerting.Messagebird.Recipients != "31619191919" { t.Errorf("Messagebird to recipients should've been %s, but was %s", "31619191919", config.Alerting.Messagebird.Recipients) } if len(config.Services) != 1 { t.Error("There should've been 1 service") } if config.Services[0].URL != "https://twinnation.org/health" { t.Errorf("URL should have been %s", "https://twinnation.org/health") } if config.Services[0].Interval != 60*time.Second { t.Errorf("Interval should have been %s, because it is the default value", 60*time.Second) } if config.Services[0].Alerts == nil { t.Fatal("The service alerts shouldn't have been nil") } if len(config.Services[0].Alerts) != 3 { t.Fatal("There should've been 3 alert configured") } if !config.Services[0].Alerts[0].Enabled { t.Error("The alert should've been enabled") } if config.Services[0].Alerts[0].FailureThreshold != 3 { t.Errorf("The default failure threshold of the alert should've been %d, but it was %d", 3, config.Services[0].Alerts[0].FailureThreshold) } if config.Services[0].Alerts[0].SuccessThreshold != 2 { t.Errorf("The default success threshold of the alert should've been %d, but it was %d", 2, config.Services[0].Alerts[0].SuccessThreshold) } if config.Services[0].Alerts[1].FailureThreshold != 7 { t.Errorf("The failure threshold of the alert should've been %d, but it was %d", 7, config.Services[0].Alerts[1].FailureThreshold) } if config.Services[0].Alerts[1].SuccessThreshold != 5 { t.Errorf("The success threshold of the alert should've been %d, but it was %d", 5, config.Services[0].Alerts[1].SuccessThreshold) } if config.Services[0].Alerts[0].Type != core.SlackAlert { t.Errorf("The type of the alert should've been %s, but it was %s", core.SlackAlert, config.Services[0].Alerts[0].Type) } if config.Services[0].Alerts[1].Type != core.PagerDutyAlert { t.Errorf("The type of the alert should've been %s, but it was %s", core.PagerDutyAlert, config.Services[0].Alerts[1].Type) } if config.Services[0].Alerts[1].Description != "Healthcheck failed 7 times in a row" { t.Errorf("The description of the alert should've been %s, but it was %s", "Healthcheck failed 7 times in a row", config.Services[0].Alerts[0].Description) } if config.Services[0].Alerts[2].Type != core.MessagebirdAlert { t.Errorf("The type of the alert should've been %s, but it was %s", core.MessagebirdAlert, config.Services[0].Alerts[1].Type) } } func TestParseAndValidateConfigBytesWithInvalidPagerDutyAlertingConfig(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` alerting: pagerduty: integration-key: "INVALID_KEY" services: - name: twinnation url: https://twinnation.org/health alerts: - type: pagerduty conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Alerting == nil { t.Fatal("config.Alerting shouldn't have been nil") } if config.Alerting.PagerDuty == nil { t.Fatal("PagerDuty alerting config shouldn't have been nil") } if config.Alerting.PagerDuty.IsValid() { t.Fatal("PagerDuty alerting config should've been invalid") } } func TestParseAndValidateConfigBytesWithCustomAlertingConfig(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` alerting: custom: url: "https://example.com" body: | { "text": "[ALERT_TRIGGERED_OR_RESOLVED]: [SERVICE_NAME] - [ALERT_DESCRIPTION]" } services: - name: twinnation url: https://twinnation.org/health alerts: - type: custom conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Alerting == nil { t.Fatal("config.Alerting shouldn't have been nil") } if config.Alerting.Custom == nil { t.Fatal("PagerDuty alerting config shouldn't have been nil") } if !config.Alerting.Custom.IsValid() { t.Fatal("Custom alerting config should've been valid") } if config.Alerting.Custom.Insecure { t.Fatal("config.Alerting.Custom.Insecure shouldn't have been true") } } func TestParseAndValidateConfigBytesWithCustomAlertingConfigThatHasInsecureSetToTrue(t *testing.T) { config, err := parseAndValidateConfigBytes([]byte(` alerting: custom: url: "https://example.com" method: "POST" insecure: true body: | { "text": "[ALERT_TRIGGERED_OR_RESOLVED]: [SERVICE_NAME] - [ALERT_DESCRIPTION]" } services: - name: twinnation url: https://twinnation.org/health alerts: - type: custom conditions: - "[STATUS] == 200" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Alerting == nil { t.Fatal("config.Alerting shouldn't have been nil") } if config.Alerting.Custom == nil { t.Fatal("PagerDuty alerting config shouldn't have been nil") } if !config.Alerting.Custom.IsValid() { t.Error("Custom alerting config should've been valid") } if config.Alerting.Custom.Method != "POST" { t.Error("config.Alerting.Custom.Method should've been POST") } if !config.Alerting.Custom.Insecure { t.Error("config.Alerting.Custom.Insecure shouldn't have been true") } } func TestParseAndValidateConfigBytesWithInvalidSecurityConfig(t *testing.T) { defer func() { recover() }() _, _ = parseAndValidateConfigBytes([]byte(` security: basic: username: "admin" password-sha512: "invalid-sha512-hash" services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `)) t.Error("Function should've panicked") } func TestParseAndValidateConfigBytesWithValidSecurityConfig(t *testing.T) { const expectedUsername = "admin" const expectedPasswordHash = "6b97ed68d14eb3f1aa959ce5d49c7dc612e1eb1dafd73b1e705847483fd6a6c809f2ceb4e8df6ff9984c6298ff0285cace6614bf8daa9f0070101b6c89899e22" config, err := parseAndValidateConfigBytes([]byte(fmt.Sprintf(` security: basic: username: "%s" password-sha512: "%s" services: - name: twinnation url: https://twinnation.org/health conditions: - "[STATUS] == 200" `, expectedUsername, expectedPasswordHash))) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Security == nil { t.Fatal("config.Security shouldn't have been nil") } if !config.Security.IsValid() { t.Error("Security config should've been valid") } if config.Security.Basic == nil { t.Fatal("config.Security.Basic shouldn't have been nil") } if config.Security.Basic.Username != expectedUsername { t.Errorf("config.Security.Basic.Username should've been %s, but was %s", expectedUsername, config.Security.Basic.Username) } if config.Security.Basic.PasswordSha512Hash != expectedPasswordHash { t.Errorf("config.Security.Basic.PasswordSha512Hash should've been %s, but was %s", expectedPasswordHash, config.Security.Basic.PasswordSha512Hash) } } func TestParseAndValidateConfigBytesWithNoServicesOrAutoDiscovery(t *testing.T) { _, err := parseAndValidateConfigBytes([]byte(``)) if err != ErrNoServiceInConfig { t.Error("The error returned should have been of type ErrNoServiceInConfig") } } func TestParseAndValidateConfigBytesWithKubernetesAutoDiscovery(t *testing.T) { var kubernetesServices []v1.Service kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-1", "default", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-2", "default", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-2-canary", "default", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-3", "kube-system", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-4", "tools", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-5", "tools", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-6", "tools", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-7", "metrics", 8080)) kubernetesServices = append(kubernetesServices, k8stest.CreateTestServices("service-7-canary", "metrics", 8080)) k8stest.InitializeMockedKubernetesClient(kubernetesServices) config, err := parseAndValidateConfigBytes([]byte(` debug: true kubernetes: cluster-mode: "mock" auto-discover: true excluded-service-suffixes: - canary service-template: interval: 29s conditions: - "[STATUS] == 200" namespaces: - name: default hostname-suffix: ".default.svc.cluster.local" target-path: "/health" - name: tools hostname-suffix: ".tools.svc.cluster.local" target-path: "/health" excluded-services: - service-6 - name: metrics hostname-suffix: ".metrics.svc.cluster.local" target-path: "/health" `)) if err != nil { t.Error("No error should've been returned") } if config == nil { t.Fatal("Config shouldn't have been nil") } if config.Kubernetes == nil { t.Fatal("Kuberbetes config shouldn't have been nil") } if len(config.Services) != 5 { t.Error("Expected 5 services to have been added through k8s auto discovery, got", len(config.Services)) } for _, service := range config.Services { if service.Name == "service-2-canary" || service.Name == "service-7-canary" { t.Errorf("service '%s' should've been excluded because excluded-service-suffixes has 'canary'", service.Name) } else if service.Name == "service-6" { t.Errorf("service '%s' should've been excluded because excluded-services has 'service-6'", service.Name) } else if service.Name == "service-3" { t.Errorf("service '%s' should've been excluded because the namespace 'kube-system' is not configured for auto discovery", service.Name) } else { if service.Interval != 29*time.Second { t.Errorf("service '%s' should've had an interval of 29s, because the template is configured for it", service.Name) } if len(service.Conditions) != 1 { t.Errorf("service '%s' should've had 1 condition", service.Name) } if len(service.Conditions) == 1 && *service.Conditions[0] != "[STATUS] == 200" { t.Errorf("service '%s' should've had the condition '[STATUS] == 200', because the template is configured for it", service.Name) } if !strings.HasSuffix(service.URL, ".svc.cluster.local:8080/health") { t.Errorf("service '%s' should've had an URL with the suffix '.svc.cluster.local:8080/health'", service.Name) } } } } func TestParseAndValidateConfigBytesWithKubernetesAutoDiscoveryButNoServiceTemplate(t *testing.T) { defer func() { recover() }() _, _ = parseAndValidateConfigBytes([]byte(` kubernetes: cluster-mode: "mock" auto-discover: true namespaces: - name: default hostname-suffix: ".default.svc.cluster.local" target-path: "/health" `)) t.Error("Function should've panicked because providing a service-template is mandatory") } func TestParseAndValidateConfigBytesWithKubernetesAutoDiscoveryUsingClusterModeIn(t *testing.T) { defer func() { recover() }() _, _ = parseAndValidateConfigBytes([]byte(` kubernetes: cluster-mode: "in" auto-discover: true service-template: interval: 30s conditions: - "[STATUS] == 200" namespaces: - name: default hostname-suffix: ".default.svc.cluster.local" target-path: "/health" `)) // TODO: find a way to test this? t.Error("Function should've panicked because testing with ClusterModeIn isn't supported") }