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web api: handle alert with Infinity/NaN values (#5582) 

* web/api/v1: alert value as string in alert/rules endpoints

Signed-off-by: Alexander Saltykov <alexander-s@yandex-team.ru>
This commit is contained in:
Alex Salt 2019-05-21 12:41:54 +03:00 committed by Brian Brazil
parent 0652b518da
commit d6a4daa26a
2 changed files with 4 additions and 4 deletions
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4
docs/querying/api.md
View File

@ -465,7 +465,7 @@ $ curl http://localhost:9090/api/v1/rules
"severity": "page" "severity": "page"
}, },
"state": "firing", "state": "firing",
"value": 1 "value": "1e+00"
} }
], ],
"annotations": { "annotations": {
@ -522,7 +522,7 @@ $ curl http://localhost:9090/api/v1/alerts
"alertname": "my-alert" "alertname": "my-alert"
}, },
"state": "firing", "state": "firing",
"value": 1 "value": "1e+00"
} }
] ]
}, },

4
web/api/v1/api.go
View File

@ -694,7 +694,7 @@ type Alert struct {
Annotations labels.Labels `json:"annotations"` Annotations labels.Labels `json:"annotations"`
State string `json:"state"` State string `json:"state"`
ActiveAt *time.Time `json:"activeAt,omitempty"` ActiveAt *time.Time `json:"activeAt,omitempty"`
Value float64 `json:"value"` Value string `json:"value"`
} }
func (api *API) alerts(r *http.Request) apiFuncResult { func (api *API) alerts(r *http.Request) apiFuncResult {
@ -721,7 +721,7 @@ func rulesAlertsToAPIAlerts(rulesAlerts []*rules.Alert) []*Alert {
Annotations: ruleAlert.Annotations, Annotations: ruleAlert.Annotations,
State: ruleAlert.State.String(), State: ruleAlert.State.String(),
ActiveAt: &ruleAlert.ActiveAt, ActiveAt: &ruleAlert.ActiveAt,
Value: ruleAlert.Value, Value: strconv.FormatFloat(ruleAlert.Value, 'e', -1, 64),
} }
} }