add support for unfurl_links + better logging #3
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- use --fail-with-body so HTTP status of >= 400 triggers an error exit code - use long form curl args in general for better readability/comprehensibility - break up curl args over multiple lines to improve readability - log raw response before processing it - tweak multi-line GITHUB_OUTPUT capture to more closely match doc examples
action.yml
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| echo "ts=<<EOF" | ||
| curl --silent --show-error -X POST -H "Authorization: Bearer ${{ env.SLACK_BOT_TOKEN || inputs.token }}" -H "Content-Type: application/json; charset=utf-8" --url https://slack.com/api/chat.postMessage \ | ||
| -d "{\"channel\": \"${{ inputs.channel }}\", \"thread_ts\":\"${{ inputs.thread_ts }}\", \"text\":\"${{ inputs.text }}\"}" \ | ||
| | jq --raw-output '.ts' | ||
| echo "ts<<EOF" | ||
| echo "$response" | jq --raw-output '.ts' |
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Something about how I was trying to output the ts output variable wasn't playing nicely with what GH was expecting:
I was looking more closely at their examples for how to do multi-line output and noticed I had added the equal sign in ts=<<EOF that wasn't in their example: https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/workflow-commands-for-github-actions#multiline-strings
...but I'm not sure how test test this assumption before merging this PR. 😟
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You could create a workflow in a throw-away repo that references this branch like this:
- name: "Post Slack message"
id: slack-post
uses: ynab/slack-post-message-action@db/better-logging
with:
channel: "#my-channel"
text: "Test 123"
- run: echo ${{ steps.slack-post.outputs.ts }}
| --header "Content-Type: application/json; charset=utf-8" \ | ||
| --url https://slack.com/api/chat.postMessage \ | ||
| --data "{\"channel\": \"${{ inputs.channel }}\", \"thread_ts\": \"${{ inputs.thread_ts }}\", \"unfurl_links\": ${{ inputs.unfurl_links }}, \"text\": \"${{ inputs.text }}\"}" \ | ||
| ) |
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My goals with these changes are:
- make this step fail if we get a response with HTTP status >= 400 (i.e., didn't work)
- capture the response and log it (to make debugging easier if anything does go wrong)
- set the
tsoutput for this action by processing the curl response
But I'm a total bash/curl newb, so please feel free to make suggestions! 🙏
| unfurl_links: | ||
| description: "Whether links in the message should be unfurled" | ||
| type: boolean | ||
| default: true |
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Does this default to true in Slack API if not provided?
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Their docs don't actually say what it defaults to, but my anecdotal testing seems to indicate yes
action.yml
Outdated
| echo "ts=<<EOF" | ||
| curl --silent --show-error -X POST -H "Authorization: Bearer ${{ env.SLACK_BOT_TOKEN || inputs.token }}" -H "Content-Type: application/json; charset=utf-8" --url https://slack.com/api/chat.postMessage \ | ||
| -d "{\"channel\": \"${{ inputs.channel }}\", \"thread_ts\":\"${{ inputs.thread_ts }}\", \"text\":\"${{ inputs.text }}\"}" \ | ||
| | jq --raw-output '.ts' | ||
| echo "ts<<EOF" | ||
| echo "$response" | jq --raw-output '.ts' |
There was a problem hiding this comment.
You could create a workflow in a throw-away repo that references this branch like this:
- name: "Post Slack message"
id: slack-post
uses: ynab/slack-post-message-action@db/better-logging
with:
channel: "#my-channel"
text: "Test 123"
- run: echo ${{ steps.slack-post.outputs.ts }}
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...other than single quotes
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...b/c the GH runner doesn't: actions/runner#1070
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unfurl_linksargument (defaults totrue, but can be used to disable link unfurling when desired)--fail-with-bodyso HTTP status of >= 400 triggers an error exit codeGITHUB_OUTPUTcapture to more closely match doc examples