sqsd | simple alternative to the Amazon SQS Daemon | AWS library
kandi X-RAY | sqsd Summary
kandi X-RAY | sqsd Summary
As the included diagram portrays, in a common workflow, the worker instance will consume messages sent to a specified Amazon SQS from another service (e.g.: a web server or another worker). These messages will be received by the worker via POST requests. This eliminates the necessity of configuring a worker as an always-on service, as well as having to add code for reading and consuming messages from an AWS SQS queue. In other words, the worker is implemented as a standard RESTful API/Service that will react to a message sent to it at an specific endpoint via a POST request. This is an awesome approach by Amazon to microservices and reactive design. The conversion of the SQS message to a POST request is executed by what AWS calls the "SQS Daemon" or "Sqsd". This is a simple daemon they pre-install in the worker tier instances that is constantly monitoring an specific AWS SQS queue (provided by configuration) for new messages. When new messages arrive, it constructs a POST request and sends it to a specific endpoint (also provided via configuration). If the endpoint consumes it without errors and returns a 2** HTTP Code in its response, the "Sqsd" deletes the message from the queue to signal that its consumption was successful. However, even though this approach is extremely powerful, Amazon does not provide the code of this daemon as open source. Therefore, we have reproduced its behavior by creating our own version of the "Sqsd" free for everyone to use. Moreover, we have provided lots of customization and configuration properties so that it can be molded to your specific use cases. But even more important! We have "dockerized" it so that you can use it as a Docker container along your worker (even link it to it). This makes this microserviced worker approach even more powerful as it can be easily pre-configured and pre-packaged to be deployed automatically along your services using your favorite Docker orchestration frameworks or even the recently announced Amazon EC2 Container Service.
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QUESTION
I have a problem. I checking my database connection, and i was using this application on my localhost, and it was okay. but when i deploy this web application, i always facing 502 error. i was tried modify security group and etc, but it never work. and i get a some last 100 line log message from elastic beanstalk log, so if you can solve problem, plz help me. thank you.
this is the log.
...ANSWER
Answered 2021-Jan-06 at 18:43This looks like Inbound Rules issue. In the AWS tutorial that uses a web application that uses AWS RDS, Inbound Rules are mentioned. You need to make sure the IP address of the Elastic Beanstalk instance is specified. If you do not do this, then the connection does not work.
Here is the AWS RDS tutorial that discusses this subject matter:
QUESTION
Not exactly sure what is taking so long for npm to install on my EC2 instance, but here's the log output:
...ANSWER
Answered 2020-Oct-22 at 02:50Turns out that Beanstalk likes to try to do things its own way, and I have it set to the Nodejs platform so it is going to try to run npm install and npm start at all costs.
I ended up disabling it through not including my package.json or package lock files in CodeBuild's artifact. This at least stopped it from trying to run its own NPM install. Not exactly efficient and I port all my node_modules over but it is zipped as an artifact from CodeBuild and sent to Beanstalk for deployment.
QUESTION
I'm deploying a Django application online using AWS Elastic Beanstalk. It worked fine for a while, but some change is causing the application to throw a '413 Request Entity Too Large nginx/1.18.0' error when I try to upload a file.
Here are my logs:
stdout log:
...ANSWER
Answered 2020-Sep-08 at 22:38The nginx
setting you are trying to use (/etc/nginx/conf.d/proxy.conf
) is for Amazon Linux 1.
Since you are probably using Amazon Linux 2 you should be using different files for customizing nginx
. For AL2, the nginx
settings should be in .platform/nginx/conf.d/
, not in .ebextentions
as shown in the docs.
Therefore, you could have the following .platform/nginx/conf.d/myconfig.conf
with content:
QUESTION
I have an existing Elastic Beanstalk flask app on AWS that occasionally will not initialize and gives the following error:
...ANSWER
Answered 2017-Jan-24 at 16:25Many thanks to @GrahamDumpleton for his help. The solution I used was:
-Edit the wsgi.conf file found at /etc/httpd/conf.d/wsgi.conf
on the Elastic Beanstalk EC2 instance.
To do this I used the command sudo -e /etc/httpd/conf.d/wsgi.conf
to open the editor, hit INSERT to start editing, and added WSGIApplicationGroup %{GLOBAL}
anywhere in the file. I then his ESCAPE and used the command :wq
to save the changes.
After this I selected Restart App Servers from the Action drop-down of the Elastic Beanstalk console. After this, the program would load and give the
AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
message, but not the error messages afterwards. In addition, the application would receive SQS messages and run as expected.
One thing to note, is that it appears the wsgi.conf file will revert if any configuration changes are made to the Elastic Beanstalk configuration. I'm not sure of a way around this, but if I find something I'll post it here.
Thanks again to @GrahamDumpleton for his prompt response and help in solving this issue!
QUESTION
I have an elastic beanstalk worker environment that has transitioned to health "Severe" as of my latest deployment. The error it gives me is:
sqsd is in fault mode on all instances
How do I fix this/get more information about this?
...ANSWER
Answered 2018-Jun-01 at 19:17This is almost certainly because your latest deploy has failed the health check. See the contents of /var/log/aws-sqsd/default.log (which can be found via the "Logs" section of the environment). This will give you a more informative error, such as:
service healthcheck to URL "http://localhost/" failed with http status code "500"
QUESTION
I'm having trouble with periodic tasks on ElasticBeanstalk Worker Tier with Symfony app.
I have deployed the same source code on App Server and Worker Tier. I have setup my cron.yaml file and it is successfully loaded. Messages are sent but I get a 406 error :
...ANSWER
Answered 2018-Oct-18 at 13:08It finally works !
It seems the error occured because I forget to configure the format_listener
of my FOSRest Route.
QUESTION
My eb deploy
is failing with the following error:
Command failed on instance. Return code: 1 Output: Failed of parsing file 'cron.yaml', because: invalid date - (AWS::EB::SQSD::ScheduleParser::ScheduleFileError)
I have narrowed it down to this line of cron config:
...ANSWER
Answered 2017-Nov-27 at 23:59The problem is the leading space in the schedule. It works if you change it to this:
QUESTION
This is for a test environment configuration that allows for cross origin. This works with my AWS elastic beanstalk however, when I use the nodejs http-server
, I am getting Error (404): "Not found"
. I have tried different configurations. Also, many of the answers I found related to this issue deal with express, which I am not using. If anyone knows or sees what I am doing wrong, I would greatly appreciate the help. Thank you in advanced!
ANSWER
Answered 2017-Aug-21 at 16:04It works just fine for me on localhost
Run like this on console
node server.js
(where server.js has the code you posted)Did you double check the PORT env variable when you start the server? If you didn't set PORT env variable, make sure to go to http://localhost:8080/ on browser. To check env variables on console, you can execute the command
env
Do you have an index.html so that
html = fs.readFileSync('index.html');
works?
QUESTION
I use AWS Beanstealk php worker environment.
I managed my cron jobs in cron.yaml
...ANSWER
Answered 2017-Mar-30 at 15:05By default, jobs will be re-posted if your web server doesn't respond within five minutes. There are a few possible approaches:
1) Increase the "Inactivity Timeout" under Configuration/Worker Configuration/Advanced Options. The maximum value is 1800 (30 minutes.)
2) Make your jobs run more quickly by adding processing power or splitting them into smaller chunks.
3) When you receive a job, execute it in a background thread and return from the main thread immediately.
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