scheduler
web-scheduler
description
A simple web-based crystal-lang app to check versus multiple cron schedules whether a task should run or not
usage
POST
a JSON
payload containing schedules in crontab format
See scheduler.yml
& examples below for expected format
Will respond w/ status - either live
or paused
- based on the crontab schedules provided
All times UTC
Uses now()
by default but ts
query param can be provided to test schedule versus other timestamp (in RFC3339
format)
Output can also be expanded to provide more details using format=full
query param.
examples
Configure Heroku
URL
& example JSON
payload
URL="https://synthetics-scheduler.herokuapp.com"
json_payload(){
cat << HEREDOC
{
"start": [
"00 08 * * 1,2,3,4,5"
],
"pause": [
"00 18 * * 1,2,3,4,5",
"00 00 * * 6,7"
]
}
HEREDOC
}
Basic example
# curl -Lksw"\n" "${URL}" -XPOST -d "$(json_payload)"
{
"new_status": "live"
}
Full Output
# curl -Lksw"\n" "${URL}?format=full" -XPOST -d "$(json_payload)"
{
"state": "live",
"payload": {
"new_status": "live"
},
"now": "2022-01-18T14:48:54Z",
"day_of_week": "Tuesday",
"next": {
"start": "2022-01-19T08:00:00Z",
"pause": "2022-01-18T18:00:00Z"
},
"last": {
"start": "2022-01-18T08:00:00Z",
"pause": "2022-01-17T18:00:00Z"
}
}
Specifying TimeStamp
Test schedules edge-case #1
# curl -Lksw"\n" "${URL}?format=full&ts=2022-01-01T07:59:59" -XPOST -d "$(json_payload)"
{
"state": "live",
"payload": {
"new_status": "live"
},
"now": "2022-01-18T14:49:40Z",
"day_of_week": "Tuesday",
"next": {
"start": "2022-01-19T08:00:00Z",
"pause": "2022-01-18T18:00:00Z"
},
"last": {
"start": "2022-01-18T08:00:00Z",
"pause": "2022-01-17T18:00:00Z"
}
}
Test schedules edge-case #2
# curl -Lksw"\n" "${URL}?format=full&ts=2022-01-01T08:00:00" -XPOST -d "$(json_payload)"
Test schedules edge-case #3
# curl -Lksw"\n" "${URL}?format=full&ts=2022-01-01T17:59:59" -XPOST -d "$(json_payload)"
Test schedules edge-case #4
# curl -Lksw"\n" "${URL}?format=full&ts=2022-01-01T18:00:00" -XPOST -d "$(json_payload)"
scheduler
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- almost 3 years ago
- January 18, 2022
Fri, 22 Nov 2024 08:51:03 GMT