ITWorx Pulse release export
bd774932d5
Public source validation / validate (push) Failing after 3m8s
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package freshness
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import (
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"errors"
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"time"
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"github.com/itworx/pulse/internal/datasource"
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)
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type Input struct {
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SourceID string
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Required bool
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Health datasource.SourceHealth
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Previous datasource.HealthState
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Now time.Time
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}
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type Result struct {
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State datasource.HealthState
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Age *time.Duration
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LastKnownAt time.Time
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Recovery bool
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Event string
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Warning string
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}
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func Evaluate(input Input) (Result, error) {
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if input.SourceID == "" {
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return Result{}, errors.New("source id is required")
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}
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now := input.Now
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if now.IsZero() {
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now = time.Now().UTC()
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}
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if err := input.Health.Validate(now); err != nil {
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return Result{}, err
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}
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result := Result{State: input.Health.EffectiveState(now), LastKnownAt: input.Health.ObservedAt}
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if !input.Health.ObservedAt.IsZero() {
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age := now.Sub(input.Health.ObservedAt)
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if age < 0 {
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age = 0
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}
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result.Age = &age
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}
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if input.Required && result.State != datasource.HealthHealthy && result.State != datasource.HealthDegraded {
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result.State = datasource.HealthUnknown
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result.Warning = "REQUIRED_SOURCE_UNKNOWN"
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}
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if input.Previous == datasource.HealthUnknown && (result.State == datasource.HealthHealthy || result.State == datasource.HealthDegraded) {
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result.Recovery = true
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result.Event = "DATASOURCE_RECOVERED"
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}
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return result, nil
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}
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