Configure and automate provision of HA application & db cluster.
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Description
Experience Level: Expert
You must have experience in:
* Setting up a HA django application with a distributed replicating filesystem
* Provisioning systems using Ansible
* Setting up a HA database cluster using Pgpool-II and PostgreSQL
This particular job concerns:
* Adjusting the configuration of nginx to serve the app traffic in coherence with the other changes in this list (including managing the http status codes in accordance with what the load balancer needs)
* Set up a distributed replicating filesystem and associated app server config, including failover handling and notification
* Configure middlewear to handle failover (and notification) on the database cluster
* Altering an existing suite of playbooks to automate the above configuration and provisioning
* Documentation (markdown files) for the above
If you're interested, you should include links to your github/blog that show your systems engineering competency (i.e. playbooks, db configuration procedures). Access will be granted to the repository so you can estimate how much work is required. The present playbooks automate bootstrapping all the machines, but the nginx config needs adjusting, the replicating filesystem is not in place (just an rsync cron job), and there is no failover middleware configured for the database cluster.
* Setting up a HA django application with a distributed replicating filesystem
* Provisioning systems using Ansible
* Setting up a HA database cluster using Pgpool-II and PostgreSQL
This particular job concerns:
* Adjusting the configuration of nginx to serve the app traffic in coherence with the other changes in this list (including managing the http status codes in accordance with what the load balancer needs)
* Set up a distributed replicating filesystem and associated app server config, including failover handling and notification
* Configure middlewear to handle failover (and notification) on the database cluster
* Altering an existing suite of playbooks to automate the above configuration and provisioning
* Documentation (markdown files) for the above
If you're interested, you should include links to your github/blog that show your systems engineering competency (i.e. playbooks, db configuration procedures). Access will be granted to the repository so you can estimate how much work is required. The present playbooks automate bootstrapping all the machines, but the nginx config needs adjusting, the replicating filesystem is not in place (just an rsync cron job), and there is no failover middleware configured for the database cluster.
Andrew M.
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25 Apr 2024
United Kingdom
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