mirror of
https://github.com/TwiN/gatus.git
synced 2024-10-05 09:42:26 +02:00
Refactor Opsgenie alerting provider code
This commit is contained in:
TwiN
parent
36a3419aec
commit
2503d21522
@ -4,62 +4,54 @@ import (
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"bytes"
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"encoding/json"
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"fmt"
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"github.com/TwiN/gatus/v3/alerting/alert"
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"github.com/TwiN/gatus/v3/client"
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"github.com/TwiN/gatus/v3/core"
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"io"
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"net/http"
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"strconv"
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"strings"
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"github.com/TwiN/gatus/v3/alerting/alert"
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"github.com/TwiN/gatus/v3/client"
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"github.com/TwiN/gatus/v3/core"
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)
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const (
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restAPI = "https://api.opsgenie.com/v2/alerts"
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)
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type opsgenieAlertCreateRequest struct {
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Message string `json:"message"`
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Priority string `json:"priority"`
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Source string `json:"source"`
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Entity string `json:"entity"`
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Alias string `json:"alias"`
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Description string `json:"description"`
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Tags []string `json:"tags,omitempty"`
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Details map[string]string `json:"details"`
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}
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type opsgenieAlertCloseRequest struct {
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Source string `json:"source"`
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Note string `json:"note"`
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}
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type AlertProvider struct {
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// APIKey to use for
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APIKey string `yaml:"api-key"`
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//Priority define priority to be used in opsgenie alert payload
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// defaults: P1
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// Priority to be used in Opsgenie alert payload
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//
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// default: P1
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Priority string `yaml:"priority"`
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//Source define source to be used in opsgenie alert payload
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// defaults: gatus
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// Source define source to be used in Opsgenie alert payload
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//
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// default: gatus
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Source string `yaml:"source"`
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//EntityPrefix is a prefix to be used in entity argument in opsgenie alert payload
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// defaults: gatus-
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// EntityPrefix is a prefix to be used in entity argument in Opsgenie alert payload
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//
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// default: gatus-
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EntityPrefix string `yaml:"entity-prefix"`
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//AliasPrefix is a prefix to be used in alias argument in opsgenie alert payload
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// defaults: gatus-healthcheck-
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//AliasPrefix is a prefix to be used in alias argument in Opsgenie alert payload
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//
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// default: gatus-healthcheck-
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AliasPrefix string `yaml:"alias-prefix"`
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//tags define tags to be used in opsgenie alert payload
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// defaults: []
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// Tags to be used in Opsgenie alert payload
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//
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// default: []
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Tags []string `yaml:"tags"`
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// DefaultAlert is the default alert configuration to use for endpoints with an alert of the appropriate type
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DefaultAlert *alert.Alert `yaml:"default-alert,omitempty"`
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}
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// IsValid returns whether the provider's configuration is valid
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func (provider *AlertProvider) IsValid() bool {
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return len(provider.APIKey) > 0
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}
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@ -69,19 +61,15 @@ func (provider *AlertProvider) IsValid() bool {
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// Relevant: https://docs.opsgenie.com/docs/alert-api
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func (provider *AlertProvider) Send(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) error {
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err := provider.createAlert(endpoint, alert, result, resolved)
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if err != nil {
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return err
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}
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if resolved {
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err = provider.closeAlert(endpoint, alert)
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if err != nil {
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return err
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}
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}
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if alert.IsSendingOnResolved() {
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if resolved {
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// The alert has been resolved and there's no error, so we can clear the alert's ResolveKey
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@ -90,61 +78,46 @@ func (provider *AlertProvider) Send(endpoint *core.Endpoint, alert *alert.Alert,
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alert.ResolveKey = provider.alias(buildKey(endpoint))
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}
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}
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return nil
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}
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func (provider *AlertProvider) createAlert(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) error {
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payload := provider.buildCreateRequestBody(endpoint, alert, result, resolved)
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_, err := provider.sendRequest(restAPI, http.MethodPost, payload)
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return err
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}
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func (provider *AlertProvider) closeAlert(endpoint *core.Endpoint, alert *alert.Alert) error {
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payload := provider.buildCloseRequestBody(endpoint, alert)
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url := restAPI + "/" + provider.alias(buildKey(endpoint)) + "/close?identifierType=alias"
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_, err := provider.sendRequest(url, http.MethodPost, payload)
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return err
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}
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func (provider *AlertProvider) sendRequest(url, method string, payload interface{}) (*http.Response, error) {
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body, err := json.Marshal(payload)
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if err != nil {
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return nil, fmt.Errorf("fail to build alert payload: %v", payload)
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}
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request, err := http.NewRequest(method, url, bytes.NewBuffer(body))
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if err != nil {
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return nil, err
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}
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request.Header.Set("Content-Type", "application/json")
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request.Header.Set("Authorization", "GenieKey "+provider.APIKey)
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res, err := client.GetHTTPClient(nil).Do(request)
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if err != nil {
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return nil, err
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}
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if res.StatusCode > 399 {
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rBody, _ := io.ReadAll(res.Body)
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return nil, fmt.Errorf("call to provider alert returned status code %d: %s", res.StatusCode, string(rBody))
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}
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return res, nil
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}
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func (provider *AlertProvider) buildCreateRequestBody(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) opsgenieAlertCreateRequest {
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func (provider *AlertProvider) buildCreateRequestBody(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) alertCreateRequest {
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var message, description, results string
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if resolved {
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message = fmt.Sprintf("RESOLVED: %s - %s", endpoint.Name, alert.GetDescription())
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description = fmt.Sprintf("An alert for *%s* has been resolved after passing successfully %d time(s) in a row", endpoint.Name, alert.SuccessThreshold)
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@ -152,12 +125,9 @@ func (provider *AlertProvider) buildCreateRequestBody(endpoint *core.Endpoint, a
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message = fmt.Sprintf("%s - %s", endpoint.Name, alert.GetDescription())
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description = fmt.Sprintf("An alert for *%s* has been triggered due to having failed %d time(s) in a row", endpoint.Name, alert.FailureThreshold)
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}
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if endpoint.Group != "" {
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message = fmt.Sprintf("[%s] %s", endpoint.Group, message)
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}
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for _, conditionResult := range result.ConditionResults {
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var prefix string
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if conditionResult.Success {
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@ -167,9 +137,7 @@ func (provider *AlertProvider) buildCreateRequestBody(endpoint *core.Endpoint, a
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}
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results += fmt.Sprintf("%s - `%s`\n", prefix, conditionResult.Condition)
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}
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description = description + "\n" + results
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key := buildKey(endpoint)
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details := map[string]string{
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"endpoint:url": endpoint.URL,
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@ -179,18 +147,15 @@ func (provider *AlertProvider) buildCreateRequestBody(endpoint *core.Endpoint, a
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"result:dns_code": result.DNSRCode,
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"result:errors": strings.Join(result.Errors, ","),
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}
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for k, v := range details {
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if v == "" {
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delete(details, k)
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}
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}
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if result.HTTPStatus > 0 {
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details["result:http_status"] = strconv.Itoa(result.HTTPStatus)
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}
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return opsgenieAlertCreateRequest{
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return alertCreateRequest{
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Message: message,
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Description: description,
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Source: provider.source(),
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@ -202,8 +167,8 @@ func (provider *AlertProvider) buildCreateRequestBody(endpoint *core.Endpoint, a
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}
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}
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func (provider *AlertProvider) buildCloseRequestBody(endpoint *core.Endpoint, alert *alert.Alert) opsgenieAlertCloseRequest {
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return opsgenieAlertCloseRequest{
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func (provider *AlertProvider) buildCloseRequestBody(endpoint *core.Endpoint, alert *alert.Alert) alertCloseRequest {
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return alertCloseRequest{
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Source: buildKey(endpoint),
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Note: fmt.Sprintf("RESOLVED: %s - %s", endpoint.Name, alert.GetDescription()),
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}
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@ -211,21 +176,17 @@ func (provider *AlertProvider) buildCloseRequestBody(endpoint *core.Endpoint, al
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func (provider *AlertProvider) source() string {
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source := provider.Source
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if source == "" {
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return "gatus"
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}
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return source
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}
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func (provider *AlertProvider) alias(key string) string {
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alias := provider.AliasPrefix
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if alias == "" {
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alias = "gatus-healthcheck-"
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}
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return alias + key
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}
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@ -234,34 +195,46 @@ func (provider *AlertProvider) entity(key string) string {
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if alias == "" {
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alias = "gatus-"
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}
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return alias + key
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}
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func (provider *AlertProvider) priority() string {
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priority := provider.Priority
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if priority == "" {
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return "P1"
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}
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return priority
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}
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// GetDefaultAlert returns the provider's default alert configuration
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func (provider AlertProvider) GetDefaultAlert() *alert.Alert {
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return provider.DefaultAlert
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}
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func buildKey(endpoint *core.Endpoint) string {
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name := toKebabCase(endpoint.Name)
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if endpoint.Group == "" {
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return name
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}
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return toKebabCase(endpoint.Group) + "-" + name
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}
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func toKebabCase(val string) string {
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return strings.ToLower(strings.ReplaceAll(val, " ", "-"))
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}
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type alertCreateRequest struct {
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Message string `json:"message"`
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Priority string `json:"priority"`
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Source string `json:"source"`
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Entity string `json:"entity"`
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Alias string `json:"alias"`
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Description string `json:"description"`
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Tags []string `json:"tags,omitempty"`
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Details map[string]string `json:"details"`
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}
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type alertCloseRequest struct {
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Source string `json:"source"`
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Note string `json:"note"`
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}
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@ -1,13 +1,14 @@
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package opsgenie
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import (
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"net/http"
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"reflect"
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"testing"
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"github.com/TwiN/gatus/v3/alerting/alert"
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"github.com/TwiN/gatus/v3/client"
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"github.com/TwiN/gatus/v3/core"
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"github.com/TwiN/gatus/v3/test"
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"net/http"
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"reflect"
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"testing"
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)
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func TestAlertProvider_IsValid(t *testing.T) {
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@ -23,9 +24,7 @@ func TestAlertProvider_IsValid(t *testing.T) {
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func TestAlertProvider_Send(t *testing.T) {
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defer client.InjectHTTPClient(nil)
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description := "my bad alert description"
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scenarios := []struct {
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Name string
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Provider AlertProvider
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@ -79,7 +78,6 @@ func TestAlertProvider_Send(t *testing.T) {
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for _, scenario := range scenarios {
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t.Run(scenario.Name, func(t *testing.T) {
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client.InjectHTTPClient(&http.Client{Transport: scenario.MockRoundTripper})
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err := scenario.Provider.Send(
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&core.Endpoint{Name: "endpoint-name"},
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&scenario.Alert,
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@ -103,9 +101,7 @@ func TestAlertProvider_Send(t *testing.T) {
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func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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t.Parallel()
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description := "alert description"
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scenarios := []struct {
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Name string
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Provider *AlertProvider
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@ -113,7 +109,7 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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Endpoint *core.Endpoint
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Result *core.Result
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Resolved bool
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want opsgenieAlertCreateRequest
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want alertCreateRequest
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}{
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{
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Name: "missing all params (unresolved)",
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@ -122,7 +118,7 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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Endpoint: &core.Endpoint{},
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Result: &core.Result{},
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Resolved: false,
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want: opsgenieAlertCreateRequest{
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want: alertCreateRequest{
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Message: " - ",
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Priority: "P1",
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Source: "gatus",
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@ -140,7 +136,7 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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Endpoint: &core.Endpoint{},
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Result: &core.Result{},
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Resolved: true,
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want: opsgenieAlertCreateRequest{
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want: alertCreateRequest{
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Message: "RESOLVED: - ",
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Priority: "P1",
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Source: "gatus",
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@ -174,7 +170,7 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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},
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},
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Resolved: false,
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want: opsgenieAlertCreateRequest{
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want: alertCreateRequest{
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Message: "my supper app - " + description,
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Priority: "P1",
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Source: "gatus",
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@ -212,7 +208,7 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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},
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},
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Resolved: true,
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want: opsgenieAlertCreateRequest{
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want: alertCreateRequest{
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Message: "RESOLVED: my mega app - " + description,
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Priority: "P5",
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Source: "gatus-hc",
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@ -251,7 +247,7 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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},
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},
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Resolved: false,
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want: opsgenieAlertCreateRequest{
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want: alertCreateRequest{
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Message: "[end game] my app - " + description,
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Priority: "P1",
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Source: "gatus",
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@ -270,7 +266,6 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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},
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},
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}
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for _, scenario := range scenarios {
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actual := scenario
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t.Run(actual.Name, func(t *testing.T) {
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@ -283,27 +278,24 @@ func TestAlertProvider_buildCreateRequestBody(t *testing.T) {
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func TestAlertProvider_buildCloseRequestBody(t *testing.T) {
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t.Parallel()
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description := "alert description"
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scenarios := []struct {
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Name string
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Provider *AlertProvider
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Alert *alert.Alert
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Endpoint *core.Endpoint
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want opsgenieAlertCloseRequest
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want alertCloseRequest
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}{
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{
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Name: "Missing all values",
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Provider: &AlertProvider{},
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Alert: &alert.Alert{},
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Endpoint: &core.Endpoint{},
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want: opsgenieAlertCloseRequest{
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want: alertCloseRequest{
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Source: "",
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Note: "RESOLVED: - ",
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},
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},
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{
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Name: "Basic values",
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Provider: &AlertProvider{},
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@ -313,7 +305,7 @@ func TestAlertProvider_buildCloseRequestBody(t *testing.T) {
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Endpoint: &core.Endpoint{
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Name: "endpoint name",
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},
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want: opsgenieAlertCloseRequest{
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want: alertCloseRequest{
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Source: "endpoint-name",
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Note: "RESOLVED: endpoint name - alert description",
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},
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