Slack notifications aren't being sent

[brianhicks-pnm]

Hi! I'm having some trouble setting up notifications to go to a Slack channel. Following the guide, and creating+installing a Slack app in my workspace, I have these manifests:

apiVersion: notification.toolkit.fluxcd.io/v1beta3
kind: Provider
metadata:
  name: slack
  namespace: flux-system
spec:
  channel: the-channel-i-care-about
  type: slack
  address: https://slack.com/api/chat.postMessage
  secretRef:
    name: slack-bot-token # not including, but this exists and has a key `token` as in the guide
---
apiVersion: notification.toolkit.fluxcd.io/v1beta2
kind: Alert
metadata:
  name: alerts
  namespace: flux-system
spec:
  summary: flux-system components are being effected
  eventSeverity: info
  eventSources:
    - kind: Kustomization
      name: "*"
    - kind: GitRepository
      name: "*"
    - kind: HelmRelease
      name: "*"
    - kind: Bucket
      name: "*"
    - kind: HelmChart
      name: "*"
    - kind: OCIRepository
      name: "*"
    - kind: HelmRepository
      name: "*"
    - kind: ImageRepository
      name: "*"
    - kind: ImagePolicy
      name: "*"
    - kind: ImageUpdateAutomation
      name: "*"
  providerRef:
    name: slack

When these things are updated, I can see in the notification-controller logs that they're being dispatched, but nothing about actually sending the message. In addition, the Provider doesn't have any kind of status field, which makes me think that Flux is maybe not picking it up.

Where would I go to find out what's actually going wrong here? Does any of that look suspicious to folks?

[stefanprodan]

If the controller logs no error after the dispatch message, then it sends the payload to Slack. Have you invited the Slack bot to the channel?

[brianhicks-pnm]

wow, you hit it on the head. Was this somewhere in the docs I could have seen?

[stefanprodan]

It's in the official Slack docs, as this specific to how their bots work.