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// Copyright 2015 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package config
import (
"fmt"
"strings"
"time"
commoncfg "github.com/prometheus/common/config"
)
var (
// DefaultWebhookConfig defines default values for Webhook configurations.
DefaultWebhookConfig = WebhookConfig{
NotifierConfig: NotifierConfig{
VSendResolved: true,
},
}
// DefaultEmailConfig defines default values for Email configurations.
DefaultEmailConfig = EmailConfig{
NotifierConfig: NotifierConfig{
VSendResolved: false,
},
HTML: `{{ template "email.default.html" . }}`,
Text: ``,
}
// DefaultEmailSubject defines the default Subject header of an Email.
DefaultEmailSubject = `{{ template "email.default.subject" . }}`
// DefaultPagerdutyDetails defines the default values for PagerDuty details.
DefaultPagerdutyDetails = map[string]string{
"firing": `{{ template "pagerduty.default.instances" .Alerts.Firing }}`,
"resolved": `{{ template "pagerduty.default.instances" .Alerts.Resolved }}`,
"num_firing": `{{ .Alerts.Firing | len }}`,
"num_resolved": `{{ .Alerts.Resolved | len }}`,
}
// DefaultPagerdutyConfig defines default values for PagerDuty configurations.
DefaultPagerdutyConfig = PagerdutyConfig{
NotifierConfig: NotifierConfig{
VSendResolved: true,
},
Description: `{{ template "pagerduty.default.description" .}}`,
Client: `{{ template "pagerduty.default.client" . }}`,
ClientURL: `{{ template "pagerduty.default.clientURL" . }}`,
}
// DefaultSlackConfig defines default values for Slack configurations.
DefaultSlackConfig = SlackConfig{
NotifierConfig: NotifierConfig{
VSendResolved: false,
},
Color: `{{ if eq .Status "firing" }}danger{{ else }}good{{ end }}`,
Username: `{{ template "slack.default.username" . }}`,
Title: `{{ template "slack.default.title" . }}`,
TitleLink: `{{ template "slack.default.titlelink" . }}`,
IconEmoji: `{{ template "slack.default.iconemoji" . }}`,
IconURL: `{{ template "slack.default.iconurl" . }}`,
Pretext: `{{ template "slack.default.pretext" . }}`,
Text: `{{ template "slack.default.text" . }}`,
Fallback: `{{ template "slack.default.fallback" . }}`,
CallbackID: `{{ template "slack.default.callbackid" . }}`,
Footer: `{{ template "slack.default.footer" . }}`,
}
// DefaultHipchatConfig defines default values for Hipchat configurations.
DefaultHipchatConfig = HipchatConfig{
NotifierConfig: NotifierConfig{
VSendResolved: false,
},
Color: `{{ if eq .Status "firing" }}red{{ else }}green{{ end }}`,
From: `{{ template "hipchat.default.from" . }}`,
Notify: false,
Message: `{{ template "hipchat.default.message" . }}`,
MessageFormat: `text`,
}
// DefaultOpsGenieConfig defines default values for OpsGenie configurations.
DefaultOpsGenieConfig = OpsGenieConfig{
NotifierConfig: NotifierConfig{
VSendResolved: true,
},
Message: `{{ template "opsgenie.default.message" . }}`,
Description: `{{ template "opsgenie.default.description" . }}`,
Source: `{{ template "opsgenie.default.source" . }}`,
// TODO: Add a details field with all the alerts.
}
// DefaultWechatConfig defines default values for wechat configurations.
DefaultWechatConfig = WechatConfig{
NotifierConfig: NotifierConfig{
VSendResolved: false,
},
Message: `{{ template "wechat.default.message" . }}`,
APISecret: `{{ template "wechat.default.api_secret" . }}`,
ToUser: `{{ template "wechat.default.to_user" . }}`,
ToParty: `{{ template "wechat.default.to_party" . }}`,
ToTag: `{{ template "wechat.default.to_tag" . }}`,
AgentID: `{{ template "wechat.default.agent_id" . }}`,
}
// DefaultVictorOpsConfig defines default values for VictorOps configurations.
DefaultVictorOpsConfig = VictorOpsConfig{
NotifierConfig: NotifierConfig{
VSendResolved: true,
},
MessageType: `CRITICAL`,
StateMessage: `{{ template "victorops.default.state_message" . }}`,
EntityDisplayName: `{{ template "victorops.default.entity_display_name" . }}`,
MonitoringTool: `{{ template "victorops.default.monitoring_tool" . }}`,
}
// DefaultPushoverConfig defines default values for Pushover configurations.
DefaultPushoverConfig = PushoverConfig{
NotifierConfig: NotifierConfig{
VSendResolved: true,
},
Title: `{{ template "pushover.default.title" . }}`,
Message: `{{ template "pushover.default.message" . }}`,
URL: `{{ template "pushover.default.url" . }}`,
Priority: `{{ if eq .Status "firing" }}2{{ else }}0{{ end }}`, // emergency (firing) or normal
Retry: duration(1 * time.Minute),
Expire: duration(1 * time.Hour),
}
)
// NotifierConfig contains base options common across all notifier configurations.
type NotifierConfig struct {
VSendResolved bool `yaml:"send_resolved" json:"send_resolved"`
}
func (nc *NotifierConfig) SendResolved() bool {
return nc.VSendResolved
}
// EmailConfig configures notifications via mail.
type EmailConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
// Email address to notify.
To string `yaml:"to,omitempty" json:"to,omitempty"`
From string `yaml:"from,omitempty" json:"from,omitempty"`
Hello string `yaml:"hello,omitempty" json:"hello,omitempty"`
Smarthost string `yaml:"smarthost,omitempty" json:"smarthost,omitempty"`
AuthUsername string `yaml:"auth_username,omitempty" json:"auth_username,omitempty"`
AuthPassword Secret `yaml:"auth_password,omitempty" json:"auth_password,omitempty"`
AuthSecret Secret `yaml:"auth_secret,omitempty" json:"auth_secret,omitempty"`
AuthIdentity string `yaml:"auth_identity,omitempty" json:"auth_identity,omitempty"`
Headers map[string]string `yaml:"headers,omitempty" json:"headers,omitempty"`
HTML string `yaml:"html,omitempty" json:"html,omitempty"`
Text string `yaml:"text,omitempty" json:"text,omitempty"`
RequireTLS *bool `yaml:"require_tls,omitempty" json:"require_tls,omitempty"`
TLSConfig commoncfg.TLSConfig `yaml:"tls_config,omitempty" json:"tls_config,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *EmailConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultEmailConfig
type plain EmailConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.To == "" {
return fmt.Errorf("missing to address in email config")
}
// Header names are case-insensitive, check for collisions.
normalizedHeaders := map[string]string{}
for h, v := range c.Headers {
normalized := strings.Title(h)
if _, ok := normalizedHeaders[normalized]; ok {
return fmt.Errorf("duplicate header %q in email config", normalized)
}
normalizedHeaders[normalized] = v
}
c.Headers = normalizedHeaders
return nil
}
// PagerdutyConfig configures notifications via PagerDuty.
type PagerdutyConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
ServiceKey Secret `yaml:"service_key,omitempty" json:"service_key,omitempty"`
RoutingKey Secret `yaml:"routing_key,omitempty" json:"routing_key,omitempty"`
URL *URL `yaml:"url,omitempty" json:"url,omitempty"`
Client string `yaml:"client,omitempty" json:"client,omitempty"`
ClientURL string `yaml:"client_url,omitempty" json:"client_url,omitempty"`
Description string `yaml:"description,omitempty" json:"description,omitempty"`
Details map[string]string `yaml:"details,omitempty" json:"details,omitempty"`
Images []PagerdutyImage `yaml:"images,omitempty" json:"images,omitempty"`
Links []PagerdutyLink `yaml:"links,omitempty" json:"links,omitempty"`
Severity string `yaml:"severity,omitempty" json:"severity,omitempty"`
Class string `yaml:"class,omitempty" json:"class,omitempty"`
Component string `yaml:"component,omitempty" json:"component,omitempty"`
Group string `yaml:"group,omitempty" json:"group,omitempty"`
}
// PagerdutyLink is a link
type PagerdutyLink struct {
HRef string `yaml:"href,omitempty" json:"href,omitempty"`
Text string `yaml:"text,omitempty" json:"text,omitempty"`
}
// PagerdutyImage is an image
type PagerdutyImage struct {
Src string `yaml:"src,omitempty" json:"src,omitempty"`
Alt string `yaml:"alt,omitempty" json:"alt,omitempty"`
Text string `yaml:"text,omitempty" json:"text,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *PagerdutyConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultPagerdutyConfig
type plain PagerdutyConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.RoutingKey == "" && c.ServiceKey == "" {
return fmt.Errorf("missing service or routing key in PagerDuty config")
}
if c.Details == nil {
c.Details = make(map[string]string)
}
for k, v := range DefaultPagerdutyDetails {
if _, ok := c.Details[k]; !ok {
c.Details[k] = v
}
}
return nil
}
// SlackAction configures a single Slack action that is sent with each notification.
// See https://api.slack.com/docs/message-attachments#action_fields and https://api.slack.com/docs/message-buttons
// for more information.
type SlackAction struct {
Type string `yaml:"type,omitempty" json:"type,omitempty"`
Text string `yaml:"text,omitempty" json:"text,omitempty"`
URL string `yaml:"url,omitempty" json:"url,omitempty"`
Style string `yaml:"style,omitempty" json:"style,omitempty"`
Name string `yaml:"name,omitempty" json:"name,omitempty"`
Value string `yaml:"value,omitempty" json:"value,omitempty"`
ConfirmField *SlackConfirmationField `yaml:"confirm,omitempty" json:"confirm,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface for SlackAction.
func (c *SlackAction) UnmarshalYAML(unmarshal func(interface{}) error) error {
type plain SlackAction
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.Type == "" {
return fmt.Errorf("missing type in Slack action configuration")
}
if c.Text == "" {
return fmt.Errorf("missing text in Slack action configuration")
}
if c.URL != "" {
// Clear all message action fields.
c.Name = ""
c.Value = ""
c.ConfirmField = nil
} else if c.Name != "" {
c.URL = ""
} else {
return fmt.Errorf("missing name or url in Slack action configuration")
}
return nil
}
// SlackConfirmationField protect users from destructive actions or particularly distinguished decisions
// by asking them to confirm their button click one more time.
// See https://api.slack.com/docs/interactive-message-field-guide#confirmation_fields for more information.
type SlackConfirmationField struct {
Text string `yaml:"text,omitempty" json:"text,omitempty"`
Title string `yaml:"title,omitempty" json:"title,omitempty"`
OkText string `yaml:"ok_text,omitempty" json:"ok_text,omitempty"`
DismissText string `yaml:"dismiss_text,omitempty" json:"dismiss_text,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface for SlackConfirmationField.
func (c *SlackConfirmationField) UnmarshalYAML(unmarshal func(interface{}) error) error {
type plain SlackConfirmationField
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.Text == "" {
return fmt.Errorf("missing text in Slack confirmation configuration")
}
return nil
}
// SlackField configures a single Slack field that is sent with each notification.
// Each field must contain a title, value, and optionally, a boolean value to indicate if the field
// is short enough to be displayed next to other fields designated as short.
// See https://api.slack.com/docs/message-attachments#fields for more information.
type SlackField struct {
Title string `yaml:"title,omitempty" json:"title,omitempty"`
Value string `yaml:"value,omitempty" json:"value,omitempty"`
Short *bool `yaml:"short,omitempty" json:"short,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface for SlackField.
func (c *SlackField) UnmarshalYAML(unmarshal func(interface{}) error) error {
type plain SlackField
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.Title == "" {
return fmt.Errorf("missing title in Slack field configuration")
}
if c.Value == "" {
return fmt.Errorf("missing value in Slack field configuration")
}
return nil
}
// SlackConfig configures notifications via Slack.
type SlackConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
APIURL *SecretURL `yaml:"api_url,omitempty" json:"api_url,omitempty"`
// Slack channel override, (like #other-channel or @username).
Channel string `yaml:"channel,omitempty" json:"channel,omitempty"`
Username string `yaml:"username,omitempty" json:"username,omitempty"`
Color string `yaml:"color,omitempty" json:"color,omitempty"`
Title string `yaml:"title,omitempty" json:"title,omitempty"`
TitleLink string `yaml:"title_link,omitempty" json:"title_link,omitempty"`
Pretext string `yaml:"pretext,omitempty" json:"pretext,omitempty"`
Text string `yaml:"text,omitempty" json:"text,omitempty"`
Fields []*SlackField `yaml:"fields,omitempty" json:"fields,omitempty"`
ShortFields bool `yaml:"short_fields,omitempty" json:"short_fields,omitempty"`
Footer string `yaml:"footer,omitempty" json:"footer,omitempty"`
Fallback string `yaml:"fallback,omitempty" json:"fallback,omitempty"`
CallbackID string `yaml:"callback_id,omitempty" json:"callback_id,omitempty"`
IconEmoji string `yaml:"icon_emoji,omitempty" json:"icon_emoji,omitempty"`
IconURL string `yaml:"icon_url,omitempty" json:"icon_url,omitempty"`
ImageURL string `yaml:"image_url,omitempty" json:"image_url,omitempty"`
ThumbURL string `yaml:"thumb_url,omitempty" json:"thumb_url,omitempty"`
LinkNames bool `yaml:"link_names,omitempty" json:"link_names,omitempty"`
Actions []*SlackAction `yaml:"actions,omitempty" json:"actions,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *SlackConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultSlackConfig
type plain SlackConfig
return unmarshal((*plain)(c))
}
// HipchatConfig configures notifications via Hipchat.
type HipchatConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
APIURL *URL `yaml:"api_url,omitempty" json:"api_url,omitempty"`
AuthToken Secret `yaml:"auth_token,omitempty" json:"auth_token,omitempty"`
RoomID string `yaml:"room_id,omitempty" json:"room_id,omitempty"`
From string `yaml:"from,omitempty" json:"from,omitempty"`
Notify bool `yaml:"notify,omitempty" json:"notify,omitempty"`
Message string `yaml:"message,omitempty" json:"message,omitempty"`
MessageFormat string `yaml:"message_format,omitempty" json:"message_format,omitempty"`
Color string `yaml:"color,omitempty" json:"color,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *HipchatConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultHipchatConfig
type plain HipchatConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.RoomID == "" {
return fmt.Errorf("missing room id in Hipchat config")
}
return nil
}
// WebhookConfig configures notifications via a generic webhook.
type WebhookConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
// URL to send POST request to.
URL *URL `yaml:"url" json:"url"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *WebhookConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultWebhookConfig
type plain WebhookConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.URL == nil {
return fmt.Errorf("missing URL in webhook config")
}
if c.URL.Scheme != "https" && c.URL.Scheme != "http" {
return fmt.Errorf("scheme required for webhook url")
}
return nil
}
// WechatConfig configures notifications via Wechat.
type WechatConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
APISecret Secret `yaml:"api_secret,omitempty" json:"api_secret,omitempty"`
CorpID string `yaml:"corp_id,omitempty" json:"corp_id,omitempty"`
Message string `yaml:"message,omitempty" json:"message,omitempty"`
APIURL *URL `yaml:"api_url,omitempty" json:"api_url,omitempty"`
ToUser string `yaml:"to_user,omitempty" json:"to_user,omitempty"`
ToParty string `yaml:"to_party,omitempty" json:"to_party,omitempty"`
ToTag string `yaml:"to_tag,omitempty" json:"to_tag,omitempty"`
AgentID string `yaml:"agent_id,omitempty" json:"agent_id,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *WechatConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultWechatConfig
type plain WechatConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.APISecret == "" {
return fmt.Errorf("missing Wechat APISecret in Wechat config")
}
if c.CorpID == "" {
return fmt.Errorf("missing Wechat CorpID in Wechat config")
}
return nil
}
// OpsGenieConfig configures notifications via OpsGenie.
type OpsGenieConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
APIKey Secret `yaml:"api_key,omitempty" json:"api_key,omitempty"`
APIURL *URL `yaml:"api_url,omitempty" json:"api_url,omitempty"`
Message string `yaml:"message,omitempty" json:"message,omitempty"`
Description string `yaml:"description,omitempty" json:"description,omitempty"`
Source string `yaml:"source,omitempty" json:"source,omitempty"`
Details map[string]string `yaml:"details,omitempty" json:"details,omitempty"`
Teams string `yaml:"teams,omitempty" json:"teams,omitempty"`
Tags string `yaml:"tags,omitempty" json:"tags,omitempty"`
Note string `yaml:"note,omitempty" json:"note,omitempty"`
Priority string `yaml:"priority,omitempty" json:"priority,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *OpsGenieConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultOpsGenieConfig
type plain OpsGenieConfig
return unmarshal((*plain)(c))
}
// VictorOpsConfig configures notifications via VictorOps.
type VictorOpsConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
APIKey Secret `yaml:"api_key" json:"api_key"`
APIURL *URL `yaml:"api_url" json:"api_url"`
RoutingKey string `yaml:"routing_key" json:"routing_key"`
MessageType string `yaml:"message_type" json:"message_type"`
StateMessage string `yaml:"state_message" json:"state_message"`
EntityDisplayName string `yaml:"entity_display_name" json:"entity_display_name"`
MonitoringTool string `yaml:"monitoring_tool" json:"monitoring_tool"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *VictorOpsConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultVictorOpsConfig
type plain VictorOpsConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.RoutingKey == "" {
return fmt.Errorf("missing Routing key in VictorOps config")
}
return nil
}
type duration time.Duration
func (d *duration) UnmarshalText(text []byte) error {
parsed, err := time.ParseDuration(string(text))
if err == nil {
*d = duration(parsed)
}
return err
}
func (d duration) MarshalText() ([]byte, error) {
return []byte(time.Duration(d).String()), nil
}
type PushoverConfig struct {
NotifierConfig `yaml:",inline" json:",inline"`
HTTPConfig *commoncfg.HTTPClientConfig `yaml:"http_config,omitempty" json:"http_config,omitempty"`
UserKey Secret `yaml:"user_key,omitempty" json:"user_key,omitempty"`
Token Secret `yaml:"token,omitempty" json:"token,omitempty"`
Title string `yaml:"title,omitempty" json:"title,omitempty"`
Message string `yaml:"message,omitempty" json:"message,omitempty"`
URL string `yaml:"url,omitempty" json:"url,omitempty"`
Priority string `yaml:"priority,omitempty" json:"priority,omitempty"`
Retry duration `yaml:"retry,omitempty" json:"retry,omitempty"`
Expire duration `yaml:"expire,omitempty" json:"expire,omitempty"`
}
// UnmarshalYAML implements the yaml.Unmarshaler interface.
func (c *PushoverConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
*c = DefaultPushoverConfig
type plain PushoverConfig
if err := unmarshal((*plain)(c)); err != nil {
return err
}
if c.UserKey == "" {
return fmt.Errorf("missing user key in Pushover config")
}
if c.Token == "" {
return fmt.Errorf("missing token in Pushover config")
}
return nil
}