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v0.3.0 · public · Published 13 days ago

README
Asset Definition
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Sensu Bonsai Asset
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Sensu Entity Manager

Table of Contents

Overview

Event-based Sensu entity management for service-discovery (add/remove
subscriptions) and other automation workflows.

Usage examples

$ sensu-entity-manager --help
Event-based Sensu entity management for service-discovery (add/remove subscriptions) and other automation workflows.

Usage:
  sensu-entity-manager [flags]
  sensu-entity-manager [command]

Available Commands:
  help        Help about any command
  version     Print the version number of this plugin

Flags:
  -t, --access-token string      Sensu Access Token
      --add-subscriptions        Checks event.Check.Output for a newline-separated list of subscriptions to add
  -k, --api-key string           Sensu API Key
  -a, --api-url string           Sensu API URL (default "http://127.0.0.1:8080")
  -h, --help                     help for sensu-entity-manager
  -c, --trusted-ca-file string   Sensu Trusted Certificate Authority file

Use "sensu-entity-manager [command] --help" for more information about a command.

Configuration

Asset registration

Sensu Assets are the best way to make use of this plugin. If you're not using an asset, please
consider doing so! If you're using sensuctl 5.13 with Sensu Backend 5.13 or later, you can use the
following command to add the asset:

sensuctl asset add calebhailey/sensu-entity-manager

If you're using an earlier version of sensuctl, you can find the asset on the [Bonsai Asset Index][https://bonsai.sensu.io/assets/calebhailey/sensu-entity-manager].

Handler definition

---
type: Handler
api_version: core/v2
metadata:
  name: sensu-entity-manager
spec:
  type: pipe
  command: >- 
    sensu-entity-manager 
    --add-subscriptions
  timeout: 5
  runtime_assets:
  - calebhailey/sensu-entity-manager:0.1.1
  secrets:
  - name: SENSU_API_KEY
    secret: entity-manager-api-key
---
type: Secret
api_version: secrets/v1
metadata:
  name: entity-manager-api-key
spec: 
  provider: env
  id: SENSU_ENTITY_MANAGER_API_KEY

Proxy Support

This handler supports the use of the environment variables HTTP_PROXY,
HTTPS_PROXY, and NO_PROXY (or the lowercase versions thereof). HTTPS_PROXY takes
precedence over HTTP_PROXY for https requests. The environment values may be
either a complete URL or a "host[:port]", in which case the "http" scheme is assumed.

Supported Annotations

The following event-scoped annotations are supported.

  • sensu.io/plugins/sensu-entity-manager/config/patch/subscriptions

    Comma-separated list of subscriptions to add (e.g. nginx,http-service).

  • sensu.io/plugins/sensu-entity-manager/config/patch/labels

    Comma-separated list of key=value pairs to add (e.g. region=us-west-1,app=example).

  • sensu.io/plugins/sensu-entity-manager/config/patch/annotations

    Semicolon-separated list of key=value pairs to add (e.g.
    scrape_config="{\"ports\": [9091,9093]}";service_account=sensu).

NOTE: event-scoped annotations are set at the root-level of the event
(i.e. event.Annotations). Entity-scoped (event.Entity.Annotations) and
Check-scoped (event.Check.Annotations) annotations are currently not
supported.

Examples

To change the example argument for a particular check, for that checks's metadata add the following:

type: CheckConfig
api_version: core/v2
metadata:
  annotations:
    sensu.io/plugins/sensu-entity-manager/config/example-argument: "Example change"
[...]

Installation from source

The preferred way of installing and deploying this plugin is to use it as an Asset. If you would
like to compile and install the plugin from source or contribute to it, download the latest version
or create an executable script from this source.

From the local path of the sensu-entity-manager repository:

go build

Roadmap

  • [x] Add support for adding/modifying entity subscriptions
  • [ ] Add support for adding/modifying entity labels
  • [ ] Add support for adding/modifying entity annotations
  • [ ] Add support for modifying other entity-patchable fields (e.g.
    created_by, entity_class, deregister, etc).

Contributing

For more information about contributing to this plugin, see Contributing.

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