feat(alerting): Add optional field alerting.mattermost.channel (#823)

* Add optional field alerting.mattermost.channel

* Added omitempty to channel in Body for Mattermost

* Update README.md

* Update alerting/provider/mattermost/mattermost.go

* Expose channel configuration parameter through alerting.mattermost.channel

---------

Co-authored-by: Gerrit <gerrit.abma@logius.nl>
Co-authored-by: TwiN <twin@linux.com>
This commit is contained in:
Gerrit 2024-09-18 03:02:31 +02:00 committed by GitHub
parent f55f39fa33
commit b0c2f1eba9
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2 changed files with 6 additions and 0 deletions

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@ -915,6 +915,7 @@ endpoints:
|:----------------------------------------------|:--------------------------------------------------------------------------------------------|:--------------|
| `alerting.mattermost` | Configuration for alerts of type `mattermost` | `{}` |
| `alerting.mattermost.webhook-url` | Mattermost Webhook URL | Required `""` |
| `alerting.mattermost.channel` | Mattermost channel name override (optional) | `""` |
| `alerting.mattermost.client` | Client configuration. <br />See [Client configuration](#client-configuration). | `{}` |
| `alerting.mattermost.default-alert` | Default alert configuration. <br />See [Setting a default alert](#setting-a-default-alert). | N/A |
| `alerting.mattermost.overrides` | List of overrides that may be prioritized over the default configuration | `[]` |

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@ -16,6 +16,9 @@ import (
type AlertProvider struct {
WebhookURL string `yaml:"webhook-url"`
// Channel is the optional setting to override the default webhook's channel
Channel string `yaml:"channel,omitempty"`
// ClientConfig is the configuration of the client used to communicate with the provider's target
ClientConfig *client.Config `yaml:"client,omitempty"`
@ -70,6 +73,7 @@ func (provider *AlertProvider) Send(ep *endpoint.Endpoint, alert *alert.Alert, r
}
type Body struct {
Channel string `json:"channel,omitempty"` // Optional channel override
Text string `json:"text"`
Username string `json:"username"`
IconURL string `json:"icon_url"`
@ -118,6 +122,7 @@ func (provider *AlertProvider) buildRequestBody(ep *endpoint.Endpoint, alert *al
description = ":\n> " + alertDescription
}
body := Body{
Channel: provider.Channel,
Text: "",
Username: "gatus",
IconURL: "https://raw.githubusercontent.com/TwiN/gatus/master/.github/assets/logo.png",