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feat: add configurable Telegram API URL for proxy support #1660

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Merged
crazy-max merged 2 commits into from
Apr 12, 2026
+14 −3
Merged

feat: add configurable Telegram API URL for proxy support #1660

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2a9fb98
Add configurable Telegram Bot API URL for proxy support
GSemekhin Apr 5, 2026
8a2efde
telegram: set default api url in config and clarify docs
crazy-max Apr 12, 2026
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2 changes: 2 additions & 0 deletions docs/notif/telegram.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ Multiple chat IDs can be provided in order to deliver notifications to multiple

| Name | Default | Description |
|-----------------------|------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------|
| `apiURL` | `https://api.telegram.org` | Custom Telegram bot API base URL, for proxies or self-hosted bot API servers |
| `token` | | Telegram bot token |
| `tokenFile` | | Use content of [secret file](../faq.md#secrets-loaded-from-files-and-trailing-newlines) as Telegram bot token if `token` not defined |
| `chatIDs` | | List of [chat IDs](#chatids-format) to send notifications to |
Expand All @@ -33,6 +34,7 @@ Multiple chat IDs can be provided in order to deliver notifications to multiple
| `disableNotification` | `false` | Send silent message with no sound |

!!! abstract "Environment variables"
* `DIUN_NOTIF_TELEGRAM_APIURL`
* `DIUN_NOTIF_TELEGRAM_TOKEN`
* `DIUN_NOTIF_TELEGRAM_TOKENFILE`
* `DIUN_NOTIF_TELEGRAM_CHATIDS` (comma separated)
Expand Down
6 changes: 5 additions & 1 deletion internal/config/config_test.go
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Expand Up @@ -5,6 +5,7 @@ import (
"testing"
"time"

"github.com/PaulSonOfLars/gotgbot/v2"
"github.com/crazy-max/diun/v4/internal/model"
"github.com/crazy-max/diun/v4/pkg/registry"
"github.com/crazy-max/diun/v4/pkg/utl"
Expand Down Expand Up @@ -193,7 +194,8 @@ for <code>{{ .Entry.Manifest.Platform }}</code> platform.
TemplateBody: model.NotifTeamsDefaultTemplateBody,
},
Telegram: &model.NotifTelegram{
Token: "abcdef123456",
APIURL: gotgbot.DefaultAPIURL,
Token: "abcdef123456",
ChatIDs: []string{
"8547439",
"1234567",
Expand Down Expand Up @@ -347,6 +349,7 @@ func TestLoadEnv(t *testing.T) {
environ: []string{
"DIUN_NOTIF_TELEGRAM_TOKEN=abcdef123456",
"DIUN_NOTIF_TELEGRAM_CHATIDS=8547439,1234567",
"DIUN_NOTIF_TELEGRAM_APIURL=http://telegram-bot-api:8081",
"DIUN_PROVIDERS_SWARM=true",
},
expected: &Config{
Expand All @@ -362,6 +365,7 @@ func TestLoadEnv(t *testing.T) {
},
TemplateBody: model.NotifTelegramDefaultTemplateBody,
DisableNotification: utl.NewFalse(),
APIURL: "http://telegram-bot-api:8081",
},
},
Providers: &model.Providers{
Expand Down
7 changes: 6 additions & 1 deletion internal/model/notif_telegram.go
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@@ -1,12 +1,16 @@
package model

import "github.com/crazy-max/diun/v4/pkg/utl"
import (
"github.com/PaulSonOfLars/gotgbot/v2"
"github.com/crazy-max/diun/v4/pkg/utl"
)

// NotifTelegramDefaultTemplateBody ...
const NotifTelegramDefaultTemplateBody = `Docker tag {{ if .Entry.Image.HubLink }}[{{ .Entry.Image }}]({{ .Entry.Image.HubLink }}){{ else }}{{ .Entry.Image }}{{ end }} which you subscribed to through {{ .Entry.Provider }} provider {{ if (eq .Entry.Status "new") }}is available{{ else }}has been updated{{ end }} on {{ .Entry.Image.Domain }} registry (triggered by {{ escapeMarkdown .Meta.Hostname }} host).`

// NotifTelegram holds Telegram notification configuration details
type NotifTelegram struct {
APIURL string `yaml:"apiURL,omitempty" json:"apiURL,omitempty" validate:"omitempty,url"`
Token string `yaml:"token,omitempty" json:"token,omitempty" validate:"omitempty"`
TokenFile string `yaml:"tokenFile,omitempty" json:"tokenFile,omitempty" validate:"omitempty,file"`
ChatIDs []string `yaml:"chatIDs,omitempty" json:"chatIDs,omitempty" validate:"omitempty"`
Expand All @@ -24,6 +28,7 @@ func (s *NotifTelegram) GetDefaults() *NotifTelegram {

// SetDefaults sets the default values
func (s *NotifTelegram) SetDefaults() {
s.APIURL = gotgbot.DefaultAPIURL
s.TemplateBody = NotifTelegramDefaultTemplateBody
s.DisableNotification = utl.NewFalse()
}
2 changes: 1 addition & 1 deletion internal/notif/telegram/client.go
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Expand Up @@ -73,7 +73,7 @@ func (c *Client) Send(entry model.NotifEntry) error {
Client: http.Client{},
DefaultRequestOpts: &gotgbot.RequestOpts{
Timeout: gotgbot.DefaultTimeout,
APIURL: gotgbot.DefaultAPIURL,
APIURL: c.cfg.APIURL,
},
},
})
Expand Down
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