147 lines
5.3 KiB
Markdown
147 lines
5.3 KiB
Markdown
# [ntfy-alertmanager]
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[](https://builds.xenrox.net/~xenrox/ntfy-alertmanager/commits/master?)
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A bridge between ntfy and Alertmanager.
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## Installation
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Simply use go build or the [docker image] with [docker-compose file].
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`ntfy-alertmanager:latest` is built from the latest tagged release while
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`ntfy-alertmanager:dev` is built from the master branch.
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## Configuration
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You can specify the configuration file location with the `--config` flag. By default
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the configuration file will be read from `/etc/ntfy-alertmanager/config`. The format
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of this file is [scfg].
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ntfy-alertmanager has support for setting ntfy [priority], [tags], [icon], [action buttons]
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(which can be used to create an Alertmanager silence) and [email notifications].
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Define a decreasing order of labels in the config file and map those labels to tags, priority, an icon or an email address.
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- For priority and icon the first found value will be chosen. An icon for "resolved" alerts will take precedence.
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- Tags are added together.
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Example:
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```
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# Public facing base URL of the service (e.g. https://ntfy-alertmanager.xenrox.net)
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# This setting is required for the "Silence" feature.
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base-url https://ntfy-alertmanager.xenrox.net
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# http listen address
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http-address :8080
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# Log level (either debug, info, warning, error)
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log-level info
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# When multiple alerts are grouped together by Alertmanager, they can either be sent
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# each on their own (single mode) or be kept together (multi mode) (either single or multi; default is single)
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alert-mode single
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# Optionally protect with HTTP basic authentication
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user webhookUser
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password webhookPass
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labels {
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order "severity,instance"
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severity "critical" {
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priority 5
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tags "rotating_light"
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icon "https://foo.com/critical.png"
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# Forward messages which severity "critical" to the specified email address.
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email-address foo@bar.com
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}
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severity "info" {
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priority 1
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}
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instance "example.com" {
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tags "computer,example"
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}
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}
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# Settings for resolved alerts
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resolved {
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tags "resolved,partying_face"
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icon "https://foo.com/resolved.png"
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}
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ntfy {
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# URL of the ntfy topic - required
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topic https://ntfy.sh/alertmanager-alerts
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# ntfy authentication via Basic Auth (https://docs.ntfy.sh/publish/#username-password)
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user user
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password pass
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# ntfy authentication via access tokens (https://docs.ntfy.sh/publish/#access-tokens)
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# Either access-token or a user/password combination can be used - not both.
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access-token foobar
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# Forward all messages to the specified email address.
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email-address foo@bar.com
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}
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alertmanager {
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# If set, the ntfy message will contain a "Silence" button, which can be used
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# to create a silence via the Alertmanager API. Because of limitations in ntfy,
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# the request will be proxied through ntfy-alertmanager. Therefore ntfy-alertmanager
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# needs to be exposed to external network requests and base-url has to be set.
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#
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# When alert-mode is set to "single" all alert labels will be used to create the silence.
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# When it is "multi" common labels between all the alerts will be used. WARNING: This
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# could silence unwanted alerts.
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silence-duration 24h
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# Basic authentication (https://prometheus.io/docs/alerting/latest/https/)
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user user
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password pass
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# By default the Alertmanager URL gets parsed from the webhook. In case that
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# Alertmanger is not reachable under that URL, it can be overwritten here.
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url https://alertmanager.xenrox.net
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}
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# When the alert-mode is set to single, ntfy-alertmanager will cache each single alert
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# to avoid sending recurrences.
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cache {
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# The type of cache that will be used (either memory or redis; default is memory).
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type memory
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# How long messages stay in the cache for
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duration 24h
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# Memory cache settings
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# Interval in which the cache is cleaned up
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cleanup-interval 1h
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# Redis cache settings
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# URL to connect to redis (default: redis://localhost:6379)
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redis-url redis://user:password@localhost:6789/3
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}
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```
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### Alertmanager config
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```yaml
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receivers:
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- name: "ntfy"
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webhook_configs:
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- url: "http://127.0.0.1:8080"
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http_config:
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basic_auth:
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username: "webhookUser"
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password: "webhookPass"
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```
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## Contributing
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Report bugs on the [issue tracker], send patches/ask questions on the [mailing list]
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or write to me directly on matrix [@xenrox:xenrox.net].
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[ntfy-alertmanager]: https://hub.xenrox.net/~xenrox/ntfy-alertmanager/
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[scfg]: https://git.sr.ht/~emersion/scfg
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[priority]: https://ntfy.sh/docs/publish/#message-priority
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[tags]: https://ntfy.sh/docs/publish/#tags-emojis
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[icon]: https://docs.ntfy.sh/publish/#icons
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[action buttons]: https://docs.ntfy.sh/publish/#action-buttons
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[email notifications]: https://docs.ntfy.sh/publish/#e-mail-notifications
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[issue tracker]: https://todo.xenrox.net/~xenrox/ntfy-alertmanager
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[mailing list]: https://lists.xenrox.net/~xenrox/public-inbox
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[@xenrox:xenrox.net]: https://matrix.to/#/@xenrox:xenrox.net
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[docker image]: https://hub.docker.com/r/xenrox/ntfy-alertmanager
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[docker-compose file]: https://git.xenrox.net/~xenrox/ntfy-alertmanager/tree/master/item/docker/docker-compose.yml
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