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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| name: Rate Limit Handler | ||
| description: Check rate limits and dynamically calculate/apply sleep times. | ||
| inputs: | ||
| token: | ||
| description: Personal Access Token (PAT) for GitHub API. | ||
| required: true | ||
| runs: | ||
| using: "composite" | ||
| steps: | ||
| - name: Handle Rate Limits | ||
| shell: bash | ||
| run: | | ||
| TOKEN="${{ inputs.token }}" | ||
| SLEEP_TIME=0 | ||
| BASE_TIME=64 | ||
| MAX_RETRIES=6 | ||
| RETRY_COUNT=0 | ||
| calculate_sleep_time() { | ||
| RATE_LIMIT_DATA=$(curl -s --max-time 10 \ | ||
| -H "Authorization: Bearer $TOKEN" \ | ||
| -H "Accept: application/vnd.github.v3+json" \ | ||
| -H "X-GitHub-Api-Version: 2022-11-28" \ | ||
| https://api.github.com/rate_limit) | ||
| printf "Rate Limit Response:\n%s\n" "$RATE_LIMIT_DATA" | ||
| # Validate JSON response | ||
| if ! echo "$RATE_LIMIT_DATA" | jq -e '.' > /dev/null 2>&1; then | ||
| SLEEP_TIME=$BASE_TIME | ||
| echo "Error: Invalid JSON Response!" | ||
| echo " Defaulting sleep time to $SLEEP_TIME seconds." | ||
| return | ||
| fi | ||
| REMAINING_CALLS=$(echo "$RATE_LIMIT_DATA" | jq -r '.resources.core.remaining // 0') | ||
| RESET_TIME=$(echo "$RATE_LIMIT_DATA" | jq -r '.resources.core.reset // 0') | ||
| CURRENT_TIME=$(date +%s) | ||
| WAIT_PERIOD=$(( RESET_TIME - CURRENT_TIME )) | ||
| if (( WAIT_PERIOD < 0 )); then | ||
| SLEEP_TIME=$(( BASE_TIME * 2 )) | ||
| echo "Error: Invalid Wait Time Esitmate!" | ||
| echo " Defaulting sleep time to $SLEEP_TIME seconds." | ||
| return | ||
| fi | ||
| if (( REMAINING_CALLS > 99 )); then | ||
| SLEEP_TIME=0 | ||
| elif (( REMAINING_CALLS > 1 )); then | ||
| SLEEP_TIME=$(( WAIT_PERIOD / REMAINING_CALLS )) | ||
| else | ||
| SLEEP_TIME=$(( WAIT_PERIOD + 60 )) | ||
| fi | ||
| if (( SLEEP_TIME < 0 )); then | ||
| SLEEP_TIME=0 | ||
| fi | ||
| echo "Calculated sleep time is $SLEEP_TIME seconds." | ||
| } | ||
| handle_secondary_rate_limit() { | ||
| while (( RETRY_COUNT < MAX_RETRIES )); do | ||
| RESPONSE=$(curl -s -I --max-time 10 \ | ||
| -H "Authorization: Bearer $TOKEN" \ | ||
| -H "Accept: application/vnd.github.v3+json" \ | ||
| -H "X-GitHub-Api-Version: 2022-11-28" \ | ||
| https://api.github.com/rate_limit) | ||
| printf "Secondary Rate Limit Response:\n%s\n" "$RESPONSE" | ||
| RETRY_BASE=$(echo "$RESPONSE" | grep -i '^retry-after:' | awk '{print $2}' | tr -d '\r') | ||
| if [[ ! -n "$RETRY_BASE" ]]; then | ||
| RETRY_AFTER=$(( $BASE_TIME / 16 )) | ||
| echo "'Retry-After' header not detected." | ||
| echo "Proceed after a token $RETRY_AFTER seconds." | ||
| sleep "$RETRY_AFTER" | ||
| break | ||
| fi | ||
| if (( RETRY_BASE < BASE_TIME )); then | ||
| RETRY_BASE=$BASE_TIME | ||
| fi | ||
| SCALE_FACTOR=$(( RETRY_COUNT + 1 )) | ||
| RETRY_AFTER=$(( RETRY_BASE * SCALE_FACTOR * SCALE_FACTOR )) | ||
| echo "Secondary Rate Limit is Active." | ||
| echo "Wait $RETRY_AFTER seconds for reset..." | ||
| sleep "$RETRY_AFTER" | ||
| RETRY_COUNT=$SCALE_FACTOR | ||
| if (( RETRY_COUNT >= MAX_RETRIES )); then | ||
| break | ||
| fi | ||
| done | ||
| } | ||
| # Check for secondary rate limits | ||
| handle_secondary_rate_limit | ||
| # Calculate sleep time for primary rate limits | ||
| calculate_sleep_time | ||
| # Pause if necessary | ||
| if (( SLEEP_TIME == 0 )); then | ||
| echo "Skip Pause ... Far from Rate Limit." | ||
| else | ||
| if (( SLEEP_TIME < BASE_TIME )); then | ||
| echo "Defaulting sleep time to $BASE_TIME seconds." | ||
| SLEEP_TIME=$BASE_TIME | ||
| fi | ||
| echo "Apply ${SLEEP_TIME} Second Pause for Rate Limit." | ||
| sleep "$SLEEP_TIME" | ||
| fi |
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