flyte-ticker

A simple ticker pack for Flyte. Emits a "Tick" event every minute which can be used in flows for cron like behaviour. The event looks like this:

{
    "time": "2018-02-14T17:14:37.765525Z"
}

That is, the time is in the ISO-8601 format.

Build

Pack requires go version 1.9+ and uses dep to manage dependencies (install dep and run dep ensure before build/test).

to build: go build
to test: go test
docker build docker build -t <name>:<version> .

Or, if you have make installed, you can use that. See the Makefile for available targets.

Configuration

The plugin is configured using environment variables:

ENV VAR	Default	Description	Example
`FLYTE_API`	-	The API endpoint to use	http://localhost:8080
`FLYTE_API_TIMEOUT`	10 secs	Combined timeout for accessing the API	20
`FLYTE_LABELS`	-	Labels to disambiguate this instance	env=staging,bar=foo

Example Flow

This flow sends a friendly greeting at 9am every morning!:

{
  "name": "tick_demo",
  "description": "Demo echoing tick events to Slack room",
  "steps": [
    {
      "id": "get_tick",
      "event": {
        "packName": "Ticker",
        "name": "Tick"
      },
      "criteria": "{{ Event.Payload.time | match: 'T09:' }}",
      "context": {
        "Time": "{{ Event.Payload.time }}"
      },
      "command": {
        "packName": "Slack",
        "name": "SendMessage",
        "input": {
          "channelId":"<SLACK CHANNEL ID>",
          "message":"Good morning everyone!"
        }
      }
    }
  ]
}

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