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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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9c95c81534
The change adds an example of `curl` command to the Rule's page. The command is generated for each recorded state. It is supposed user can just copy&execute the command to see what was returned to vmalert. Signed-off-by: hagen1778 <roman@victoriametrics.com>
77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package datasource
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import (
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"context"
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"net/http"
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"net/url"
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"time"
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)
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// Querier interface wraps Query and QueryRange methods
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type Querier interface {
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// Query executes instant request with the given query at the given ts.
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// It returns list of Metric in response, the http.Request used for sending query
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// and error if any. Returned http.Request can't be reused and its body is already read.
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// Query should stop once ctx is cancelled.
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Query(ctx context.Context, query string, ts time.Time) ([]Metric, *http.Request, error)
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// QueryRange executes range request with the given query on the given time range.
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// It returns list of Metric in response and error if any.
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// QueryRange should stop once ctx is cancelled.
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QueryRange(ctx context.Context, query string, from, to time.Time) ([]Metric, error)
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}
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// QuerierBuilder builds Querier with given params.
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type QuerierBuilder interface {
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// BuildWithParams creates a new Querier object with the given params
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BuildWithParams(params QuerierParams) Querier
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}
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// QuerierParams params for Querier.
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type QuerierParams struct {
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DataSourceType string
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EvaluationInterval time.Duration
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QueryParams url.Values
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Headers map[string]string
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Debug bool
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}
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// Metric is the basic entity which should be return by datasource
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type Metric struct {
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Labels []Label
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Timestamps []int64
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Values []float64
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}
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// SetLabel adds or updates existing one label
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// by the given key and label
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func (m *Metric) SetLabel(key, value string) {
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for i, l := range m.Labels {
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if l.Name == key {
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m.Labels[i].Value = value
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return
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}
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}
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m.AddLabel(key, value)
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}
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// AddLabel appends the given label to the label set
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func (m *Metric) AddLabel(key, value string) {
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m.Labels = append(m.Labels, Label{Name: key, Value: value})
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}
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// Label returns the given label value.
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// If label is missing empty string will be returned
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func (m *Metric) Label(key string) string {
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for _, l := range m.Labels {
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if l.Name == key {
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return l.Value
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}
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}
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return ""
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}
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// Label represents metric's label
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type Label struct {
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Name string
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Value string
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}
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