Add simple Slack notifications

README.md

@@ -40,6 +40,9 @@ approach to "ingest" has been discussed in various internal places, including:
 
 Scripts for supporting ingest workflow automation that don’t really belong in any of our existing tools.
 
+- [notify-on-job-fail](notify-on-job-fail) - Send Slack message with details about failed workflow job on GitHub Actions and/or AWS Batch
+- [notify-on-job-start](notify-on-job-start) - Send Slack message with details about workflow job on GitHub Actions and/or AWS Batch
+- [notify-slack](notify-slack) - Send message or file to Slack
 - [s3-object-exists](s3-object-exists) - Used to prevent 404 errors during S3 file comparisons in the notify-* scripts
 - [trigger](trigger) - Triggers downstream GitHub Actions via the GitHub API using repository_dispatch events.
 

notify-on-job-fail

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -euo pipefail
+
+: "${SLACK_TOKEN:?The SLACK_TOKEN environment variable is required.}"
+: "${SLACK_CHANNELS:?The SLACK_CHANNELS environment variable is required.}"
+
+: "${AWS_BATCH_JOB_ID:=}"
+: "${GITHUB_RUN_ID:=}"
+
+bin="$(dirname "$0")"
+job_name="${1:?A job name is required as the first argument}"
+github_repo="${2:?A GitHub repository with owner and repository name is required as the second argument}"
+
+echo "Notifying Slack about failed ${job_name} job."
+message="❌ ${job_name} job has FAILED 😞 "
+
+if [[ -n "${AWS_BATCH_JOB_ID}" ]]; then
+    message+="See AWS Batch job \`${AWS_BATCH_JOB_ID}\` (<https://console.aws.amazon.com/batch/v2/home?region=us-east-1#jobs/detail/${AWS_BATCH_JOB_ID}|link>) for error details. "
+elif [[ -n "${GITHUB_RUN_ID}" ]]; then
+    message+="See GitHub Action <https://github.com/${github_repo}/actions/runs/${GITHUB_RUN_ID}?check_suite_focus=true|${GITHUB_RUN_ID}> for error details. "
+fi
+
+"$bin"/notify-slack "$message"

notify-on-job-start

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -euo pipefail
+
+: "${SLACK_TOKEN:?The SLACK_TOKEN environment variable is required.}"
+: "${SLACK_CHANNELS:?The SLACK_CHANNELS environment variable is required.}"
+
+: "${AWS_BATCH_JOB_ID:=}"
+: "${GITHUB_RUN_ID:=}"
+
+bin="$(dirname "$0")"
+job_name="${1:?A job name is required as the first argument}"
+github_repo="${2:?A GitHub repository with owner and repository name is required as the second argument}"
+build_dir="${3:-ingest}"
+
+echo "Notifying Slack about started ${job_name} job."
+message="${job_name} job has started."
+
+if [[ -n "${GITHUB_RUN_ID}" ]]; then
+  message+=" The job was submitted by GitHub Action <https://github.com/${github_repo}/actions/runs/${GITHUB_RUN_ID}?check_suite_focus=true|${GITHUB_RUN_ID}>."
+fi
+
+if [[ -n "${AWS_BATCH_JOB_ID}" ]]; then
+  message+=" The job was launched as AWS Batch job \`${AWS_BATCH_JOB_ID}\` (<https://console.aws.amazon.com/batch/v2/home?region=us-east-1#jobs/detail/${AWS_BATCH_JOB_ID}|link>)."
+  message+=" Follow along in your local clone of ${github_repo} with: "'```'"nextstrain build --aws-batch --no-download --attach ${AWS_BATCH_JOB_ID} ${build_dir}"'```'
+fi
+
+"$bin"/notify-slack "$message"

notify-slack

@@ -0,0 +1,56 @@
+#!/bin/bash
+set -euo pipefail
+
+: "${SLACK_TOKEN:?The SLACK_TOKEN environment variable is required.}"
+: "${SLACK_CHANNELS:?The SLACK_CHANNELS environment variable is required.}"
+
+upload=0
+output=/dev/null
+thread_ts=""
+broadcast=0
+args=()
+
+for arg; do
+    case "$arg" in
+        --upload)
+            upload=1;;
+        --output=*)
+            output="${arg#*=}";;
+        --thread-ts=*)
+            thread_ts="${arg#*=}";;
+        --broadcast)
+            broadcast=1;;
+        *)
+            args+=("$arg");;
+    esac
+done
+
+set -- "${args[@]}"
+
+text="${1:?Some message text is required.}"
+
+if [[ "$upload" == 1 ]]; then
+    echo "Uploading data to Slack with the message: $text"
+    curl https://slack.com/api/files.upload \
+        --header "Authorization: Bearer $SLACK_TOKEN" \
+        --form-string channels="$SLACK_CHANNELS" \
+        --form-string title="$text" \
+        --form-string filename="$text" \
+        --form-string thread_ts="$thread_ts" \
+        --form file=@/dev/stdin \
+        --form filetype=text \
+        --fail --silent --show-error \
+        --http1.1 \
+        --output "$output"
+else
+    echo "Posting Slack message: $text"
+    curl https://slack.com/api/chat.postMessage \
+        --header "Authorization: Bearer $SLACK_TOKEN" \
+        --form-string channel="$SLACK_CHANNELS" \
+        --form-string text="$text" \
+        --form-string thread_ts="$thread_ts" \
+        --form-string reply_broadcast="$broadcast" \
+        --fail --silent --show-error \
+        --http1.1 \
+        --output "$output"
+fi