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Package laravel-triaged-queues
Short Description Extend Laravel 5 Queues to fallback to an arbitrary number of hosts in the event one is unreachable.
License MIT
Informations about the package laravel-triaged-queues
Laravel 5.1 Triaged Queues
Extend Laravel 5.1 Queues to fallback to an arbitrary number of hosts in the event one is unreachable.
This package extends Laravel 5.1 Queues by adding these features:
- Enable connection attempts to multiple hosts, sequentially, in the event the primary host is unreachable.
- If all hosts for a connection fail, enable falling back to the
sync
driver so that a job/command can be processed synchronously and therefore avoid data loss. - (Beanstalkd Only) An extra
touch()
pheanstalk command is available on jobs and socket timeout can be specified via queue config.
Installation
Require this package
After adding the package, add the ServiceProvider to the providers array in config/app.php
and remove Laravel's QueueServiceProvider
if present in config/app.php
Supported Drivers
Currently only the beanstalkd
driver is supported. PRs for additional drivers are welcome.
Usage
A normal Queue Connection from config/queue.php
looks like this:
TriagedQueues offers three entries:
hostN
Simply add an arbitrary number of host entries to the connection with this syntax
where [N] is the order you want that host to be attempted in. The primary host does not need a number.
EX:
fallbackToSync
If the entry fallbackToSync
is set and true
then TriagedQueues will use the sync
driver in the event all hosts are unreachable.
EX:
attempts
Adding an attempts
entry will make TriagedQueues try to establish a connection X number of tries before moving to the next host.
touch() (Beanstalkd Only)
A modified version of the BeanstalkdJob
includes a touch()
method which will send a touch
command for the job to the beanstalkd queue. This resets the time-left (TTR minus running time) on the job so it isn't kicked back to the ready queue.
socketTimeout (Beanstalkd Only)
If a job is long-running one must either increase TTR (time-to-run) for the job or touch
it periodically to keep it reserved. However there is another factor that determines job behavior: if the client disconnects while a job is reserved the job will be kicked back to the ready queue regardless of TTR.
So for jobs that run longer than the default socket timeout (60 seconds, in ini settings) one must touch
the job periodically, change this ini setting, or use the socketTimeout
key-value in the configuration to specify timeout manually for fsockopen
.
Custom Queued Job
The default class that handles the "firing" of the command you have dispatched from the queued is Illuminate\Queue\CallQueuedHandler
. However this default functionality does not allow a user to setup any logic for before the command is fired.
Using the job
property in each Queue Connection you may specify an arbitrary class@method
that will be called instead of CallQueuedHandler
when using automatic payload creation. This means this only works if you use Bus::dispatch()
or a similar method where the dispatcher creates the payload for you (and it is not a closure or raw payload).
Config looks like this:
I suggest you extend
from CallQueuedHandler
and override call
to make things easier.
An example of using this could be to set authentication for the laravel worker instance before the job is handled.
Contributing
Contributing additional drivers is welcomed! The steps for creating a new driver are simple:
- Create a new class in
Fulfillment\TriagedQueues\Queue\Connectors
that implementsIlluminate\Queue\Connectors\ConnectorInterface
- Implement
ConnectorInterface
(theconnect()
function), make sure your method attempts all listed hosts in the$config
parameter. - If no host attempt works, throw
NoHostException
Then make a PR and I will happily accept it :)
License
This package is licensed under the MIT license.
All versions of laravel-triaged-queues with dependencies
laravel/framework Version 5.3.*|5.4.*|5.5.*
illuminate/queue Version ^5.5
illuminate/log Version ^5.5
pda/pheanstalk Version ^3.1