apply

type PrometheusRule struct {
	APIVersion string                 `yaml:"apiVersion" json:"apiVersion"`
	Kind       string                 `yaml:"kind" json:"kind"`
	Metadata   PrometheusRuleMetadata `yaml:"metadata" json:"metadata"`
	Spec       PrometheusRuleSpec     `yaml:"spec" json:"spec"`
}

type PrometheusRuleGroup struct {
	Name     string            `yaml:"name" json:"name"`
	Interval string            `yaml:"interval,omitempty" json:"interval,omitempty"`
	Rules    []PrometheusRule_ `yaml:"rules" json:"rules"`
}

type PrometheusRuleMetadata struct {
	Name        string            `yaml:"name,omitempty" json:"name,omitempty"`
	Namespace   string            `yaml:"namespace,omitempty" json:"namespace,omitempty"`
	Labels      map[string]string `yaml:"labels,omitempty" json:"labels,omitempty"`
	Annotations map[string]string `yaml:"annotations,omitempty" json:"annotations,omitempty"`
}

type PrometheusRuleSpec struct {
	Groups []PrometheusRuleGroup `yaml:"groups" json:"groups"`
}

type PrometheusRule_ struct {
	Alert       string            `yaml:"alert,omitempty" json:"alert,omitempty"`
	Expr        string            `yaml:"expr" json:"expr"`
	For         string            `yaml:"for,omitempty" json:"for,omitempty"`
	Labels      map[string]string `yaml:"labels,omitempty" json:"labels,omitempty"`
	Annotations map[string]string `yaml:"annotations,omitempty" json:"annotations,omitempty"`
}