gocron | Timing task management system | Cron Utils library
kandi X-RAY | gocron Summary
kandi X-RAY | gocron Summary
Timing task management system
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QUESTION
I'm writing the basics of a custom scheduling tool, which will read a config file for "jobs" and add them to the schedule to run the periodically. It's very basic for now, like a proof of concept before refactoring and some additional more advanced features.
When I try to run this program, it reports that the script is not found. The script "test1.sh" does exist in the path where I'm trying to run it from, and it has execute permissions.
I'm getting the following error, but can't explain it or work it out as the script does exist at the path I'm running it:
...ANSWER
Answered 2021-Aug-17 at 14:06according to Go documents
Package exec runs external commands. It wraps os.StartProcess to make it easier to remap stdin and stdout, connect I/O with pipes, and do other adjustments.
It starts an isolated OS process. what you need is a terminal session or a direct bash call.
In Linux when you call ./script.sh
it actually means /bin/sh script.sh
. ./script.sh
works because the terminal (or CMD for .bat files on windows) treats the file as pure bash commands, line by line. so to run user-defined bash files we may use
QUESTION
I use gocron
as my scheduler, which run anonymous function:
ANSWER
Answered 2020-Dec-24 at 14:23There are more than a few factors that could impact the solution you want to go with. Here are the questions that need answers before thinking about how to proceed.
- How does your
gocron
library work? Does it execute jobs concurrently, while maintaining the scheduled order of the jobs that need to be executed? Or do all of the scheduled jobs get executed in the same thread/goroutine? - Do you care about in which order the retrieved data gets processed? Does it need to be processed in the order in which is retrieved?
- Do you want to process the data immediately or does that also happens within a separate scheduled job?
- Does data processing take more or less time than the duration of the interval between two scheduled jobs?
Here is a solution with assumptions that the scheduler is not executing tasks concurrently (some of the gocron
libraries work in this way), data processing never takes more than the duration of the job's waiting interval, and that data needs to be processed in the order in which is retrieved.
QUESTION
Inside docker, it seems that I cannot compile my gRPC micro-service due to this error:
...ANSWER
Answered 2020-Sep-07 at 00:39The gist of this error is that the version of binary used to generate the code isn't compatible with the current version of code. A quick and easy solution would be to try updating the protoc-gen-go
compiler and the gRPC library to the latest version.
go get -u github.com/golang/protobuf/protoc-gen-go
then regen the proto
heres a link to a reddit thread that discusses the issue
QUESTION
I am using gocron
in my current project and I had encounter a few situations that not in the document.
I test this code:
...ANSWER
Answered 2020-Dec-21 at 09:12you can handle the removal logic by deduplicating the function handlers.
QUESTION
I would like to build a program which runs a number of cron jobs which start at a time which, in general, is in the past. Here is a simplified example using gocron
:
ANSWER
Answered 2020-Mar-25 at 08:33We can try to leverage a simple ticker, it is not a complete solution but should be easy enough to adapt.
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