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cortex-ruler.go
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package definitions
import (
"encoding/json"
"fmt"
"time"
"github.com/prometheus/common/model"
"github.com/grafana/grafana/pkg/services/ngalert/models"
)
// swagger:route Get /api/ruler/grafana/api/v1/rules ruler RouteGetGrafanaRulesConfig
//
// List rule groups
//
// Produces:
// - application/json
//
// Responses:
// 202: NamespaceConfigResponse
//
// swagger:route Get /api/ruler/{Recipient}/api/v1/rules ruler RouteGetRulesConfig
//
// List rule groups
//
// Produces:
// - application/json
//
// Responses:
// 202: NamespaceConfigResponse
// swagger:route POST /api/ruler/grafana/api/v1/rules/{Namespace} ruler RoutePostNameGrafanaRulesConfig
//
// Creates or updates a rule group
//
// Consumes:
// - application/json
// - application/yaml
//
// Responses:
// 202: Ack
//
// swagger:route POST /api/ruler/{Recipient}/api/v1/rules/{Namespace} ruler RoutePostNameRulesConfig
//
// Creates or updates a rule group
//
// Consumes:
// - application/json
// - application/yaml
//
// Responses:
// 202: Ack
// swagger:route Get /api/ruler/grafana/api/v1/rules/{Namespace} ruler RouteGetNamespaceGrafanaRulesConfig
//
// Get rule groups by namespace
//
// Produces:
// - application/json
//
// Responses:
// 202: NamespaceConfigResponse
// swagger:route Get /api/ruler/{Recipient}/api/v1/rules/{Namespace} ruler RouteGetNamespaceRulesConfig
//
// Get rule groups by namespace
//
// Produces:
// - application/json
//
// Responses:
// 202: NamespaceConfigResponse
// swagger:route Delete /api/ruler/grafana/api/v1/rules/{Namespace} ruler RouteDeleteNamespaceGrafanaRulesConfig
//
// Delete namespace
//
// Responses:
// 202: Ack
// swagger:route Delete /api/ruler/{Recipient}/api/v1/rules/{Namespace} ruler RouteDeleteNamespaceRulesConfig
//
// Delete namespace
//
// Responses:
// 202: Ack
// swagger:route Get /api/ruler/grafana/api/v1/rules/{Namespace}/{Groupname} ruler RouteGetGrafanaRuleGroupConfig
//
// Get rule group
//
// Produces:
// - application/json
//
// Responses:
// 202: RuleGroupConfigResponse
// swagger:route Get /api/ruler/{Recipient}/api/v1/rules/{Namespace}/{Groupname} ruler RouteGetRulegGroupConfig
//
// Get rule group
//
// Produces:
// - application/json
//
// Responses:
// 202: RuleGroupConfigResponse
// swagger:route Delete /api/ruler/grafana/api/v1/rules/{Namespace}/{Groupname} ruler RouteDeleteGrafanaRuleGroupConfig
//
// Delete rule group
//
// Responses:
// 202: Ack
// swagger:route Delete /api/ruler/{Recipient}/api/v1/rules/{Namespace}/{Groupname} ruler RouteDeleteRuleGroupConfig
//
// Delete rule group
//
// Responses:
// 202: Ack
// swagger:parameters RoutePostNameRulesConfig RoutePostNameGrafanaRulesConfig
type NamespaceConfig struct {
// in:path
Namespace string
// in:body
Body PostableRuleGroupConfig
}
// swagger:parameters RouteGetNamespaceRulesConfig RouteDeleteNamespaceRulesConfig RouteGetNamespaceGrafanaRulesConfig RouteDeleteNamespaceGrafanaRulesConfig
type PathNamespaceConfig struct {
// in: path
Namespace string
}
// swagger:parameters RouteGetRulegGroupConfig RouteDeleteRuleGroupConfig RouteGetGrafanaRuleGroupConfig RouteDeleteGrafanaRuleGroupConfig
type PathRouleGroupConfig struct {
// in: path
Namespace string
// in: path
Groupname string
}
// swagger:parameters RouteGetRulesConfig RouteGetGrafanaRulesConfig
type PathGetRulesParams struct {
// in: query
DashboardUID string
// in: query
PanelID int64
}
// swagger:model
type RuleGroupConfigResponse struct {
GettableRuleGroupConfig
}
// swagger:model
type NamespaceConfigResponse map[string][]GettableRuleGroupConfig
// swagger:model
type PostableRuleGroupConfig struct {
Name string `yaml:"name" json:"name"`
Interval model.Duration `yaml:"interval,omitempty" json:"interval,omitempty"`
Rules []PostableExtendedRuleNode `yaml:"rules" json:"rules"`
}
func (c *PostableRuleGroupConfig) UnmarshalJSON(b []byte) error {
type plain PostableRuleGroupConfig
if err := json.Unmarshal(b, (*plain)(c)); err != nil {
return err
}
return c.validate()
}
// Type requires validate has been called and just checks the first rule type
func (c *PostableRuleGroupConfig) Type() (backend Backend) {
for _, rule := range c.Rules {
switch rule.Type() {
case GrafanaManagedRule:
return GrafanaBackend
case LoTexManagedRule:
return LoTexRulerBackend
}
}
return
}
func (c *PostableRuleGroupConfig) validate() error {
var hasGrafRules, hasLotexRules bool
for _, rule := range c.Rules {
switch rule.Type() {
case GrafanaManagedRule:
hasGrafRules = true
case LoTexManagedRule:
hasLotexRules = true
}
}
if hasGrafRules && hasLotexRules {
return fmt.Errorf("cannot mix Grafana & Prometheus style rules")
}
return nil
}
// swagger:model
type GettableRuleGroupConfig struct {
Name string `yaml:"name" json:"name"`
Interval model.Duration `yaml:"interval,omitempty" json:"interval,omitempty"`
SourceTenants []string `yaml:"source_tenants,omitempty" json:"source_tenants,omitempty"`
Rules []GettableExtendedRuleNode `yaml:"rules" json:"rules"`
}
func (c *GettableRuleGroupConfig) UnmarshalJSON(b []byte) error {
type plain GettableRuleGroupConfig
if err := json.Unmarshal(b, (*plain)(c)); err != nil {
return err
}
return c.validate()
}
// Type requires validate has been called and just checks the first rule type
func (c *GettableRuleGroupConfig) Type() (backend Backend) {
for _, rule := range c.Rules {
switch rule.Type() {
case GrafanaManagedRule:
return GrafanaBackend
case LoTexManagedRule:
return LoTexRulerBackend
}
}
return
}
func (c *GettableRuleGroupConfig) validate() error {
var hasGrafRules, hasLotexRules bool
for _, rule := range c.Rules {
switch rule.Type() {
case GrafanaManagedRule:
hasGrafRules = true
case LoTexManagedRule:
hasLotexRules = true
}
}
if hasGrafRules && hasLotexRules {
return fmt.Errorf("cannot mix Grafana & Prometheus style rules")
}
return nil
}
type ApiRuleNode struct {
Record string `yaml:"record,omitempty" json:"record,omitempty"`
Alert string `yaml:"alert,omitempty" json:"alert,omitempty"`
Expr string `yaml:"expr" json:"expr"`
For model.Duration `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"`
}
type RuleType int
const (
GrafanaManagedRule RuleType = iota
LoTexManagedRule
)
type PostableExtendedRuleNode struct {
// note: this works with yaml v3 but not v2 (the inline tag isn't accepted on pointers in v2)
*ApiRuleNode `yaml:",inline"`
//GrafanaManagedAlert yaml.Node `yaml:"grafana_alert,omitempty"`
GrafanaManagedAlert *PostableGrafanaRule `yaml:"grafana_alert,omitempty" json:"grafana_alert,omitempty"`
}
func (n *PostableExtendedRuleNode) Type() RuleType {
if n.GrafanaManagedAlert != nil {
return GrafanaManagedRule
}
return LoTexManagedRule
}
func (n *PostableExtendedRuleNode) UnmarshalJSON(b []byte) error {
type plain PostableExtendedRuleNode
if err := json.Unmarshal(b, (*plain)(n)); err != nil {
return err
}
return n.validate()
}
func (n *PostableExtendedRuleNode) validate() error {
if n.ApiRuleNode == nil && n.GrafanaManagedAlert == nil {
return fmt.Errorf("cannot have empty rule")
}
if n.GrafanaManagedAlert != nil {
if n.ApiRuleNode != nil && (n.ApiRuleNode.Expr != "" || n.ApiRuleNode.Record != "") {
return fmt.Errorf("cannot have both Prometheus style rules and Grafana rules together")
}
}
return nil
}
type GettableExtendedRuleNode struct {
// note: this works with yaml v3 but not v2 (the inline tag isn't accepted on pointers in v2)
*ApiRuleNode `yaml:",inline"`
//GrafanaManagedAlert yaml.Node `yaml:"grafana_alert,omitempty"`
GrafanaManagedAlert *GettableGrafanaRule `yaml:"grafana_alert,omitempty" json:"grafana_alert,omitempty"`
}
func (n *GettableExtendedRuleNode) Type() RuleType {
if n.GrafanaManagedAlert != nil {
return GrafanaManagedRule
}
return LoTexManagedRule
}
func (n *GettableExtendedRuleNode) UnmarshalJSON(b []byte) error {
type plain GettableExtendedRuleNode
if err := json.Unmarshal(b, (*plain)(n)); err != nil {
return err
}
return n.validate()
}
func (n *GettableExtendedRuleNode) validate() error {
if n.ApiRuleNode == nil && n.GrafanaManagedAlert == nil {
return fmt.Errorf("cannot have empty rule")
}
if n.GrafanaManagedAlert != nil {
if n.ApiRuleNode != nil && (n.ApiRuleNode.Expr != "" || n.ApiRuleNode.Record != "") {
return fmt.Errorf("cannot have both Prometheus style rules and Grafana rules together")
}
}
return nil
}
// swagger:enum NoDataState
type NoDataState string
const (
Alerting NoDataState = "Alerting"
NoData NoDataState = "NoData"
OK NoDataState = "OK"
)
// swagger:enum ExecutionErrorState
type ExecutionErrorState string
const (
OkErrState ExecutionErrorState = "OK"
AlertingErrState ExecutionErrorState = "Alerting"
ErrorErrState ExecutionErrorState = "Error"
)
// swagger:model
type PostableGrafanaRule struct {
Title string `json:"title" yaml:"title"`
Condition string `json:"condition" yaml:"condition"`
Data []models.AlertQuery `json:"data" yaml:"data"`
UID string `json:"uid" yaml:"uid"`
NoDataState NoDataState `json:"no_data_state" yaml:"no_data_state"`
ExecErrState ExecutionErrorState `json:"exec_err_state" yaml:"exec_err_state"`
}
// swagger:model
type GettableGrafanaRule struct {
ID int64 `json:"id" yaml:"id"`
OrgID int64 `json:"orgId" yaml:"orgId"`
Title string `json:"title" yaml:"title"`
Condition string `json:"condition" yaml:"condition"`
Data []models.AlertQuery `json:"data" yaml:"data"`
Updated time.Time `json:"updated" yaml:"updated"`
IntervalSeconds int64 `json:"intervalSeconds" yaml:"intervalSeconds"`
Version int64 `json:"version" yaml:"version"`
UID string `json:"uid" yaml:"uid"`
NamespaceUID string `json:"namespace_uid" yaml:"namespace_uid"`
NamespaceID int64 `json:"namespace_id" yaml:"namespace_id"`
RuleGroup string `json:"rule_group" yaml:"rule_group"`
NoDataState NoDataState `json:"no_data_state" yaml:"no_data_state"`
ExecErrState ExecutionErrorState `json:"exec_err_state" yaml:"exec_err_state"`
Provenance models.Provenance `json:"provenance,omitempty" yaml:"provenance,omitempty"`
}