Alerting: Add rule conversion package (#100224)

pkg/services/ngalert/prom/models.go

@@ -0,0 +1,25 @@
+package prom
+
+import (
+	prommodel "github.com/prometheus/common/model"
+)
+
+type PrometheusRulesFile struct {
+	Groups []PrometheusRuleGroup `yaml:"groups"`
+}
+
+type PrometheusRuleGroup struct {
+	Name     string             `yaml:"name"`
+	Interval prommodel.Duration `yaml:"interval"`
+	Rules    []PrometheusRule   `yaml:"rules"`
+}
+
+type PrometheusRule struct {
+	Alert         string              `yaml:"alert,omitempty"`
+	Expr          string              `yaml:"expr,omitempty"`
+	For           *prommodel.Duration `yaml:"for,omitempty"`
+	KeepFiringFor *prommodel.Duration `yaml:"keep_firing_for,omitempty"`
+	Labels        map[string]string   `yaml:"labels,omitempty"`
+	Annotations   map[string]string   `yaml:"annotations,omitempty"`
+	Record        string              `yaml:"record,omitempty"`
+}