Move test helpers back to digital ocean #91
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Some work related to this done here: #96 |
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hellais
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Oct 1, 2024
Changes: * Add support for creating digital ocean droplets for test helpers * Switch networking config to NAT gateway less setup Fixes: * #92 * #91 * #93 Checklist for doing it: * [x] Create terraform module for deploying test helpers to digital ocean * [x] Tweak ECS task sizes to reduce instance consumption * [x] Drop ECS cluster for test helpers * [x] Setup direct load balancer rules to address services based on hostname * [x] Drop test helper monitoring on AWS in monitoring host * [x] Add support for SAN in ACM certificates by creating new module * [x] Setup nginx based load balancing for test helpers * [x] Refactor EC2 instance deployment to use cloud-init Since AWS costs are too high for the test helpers with IPv6 support, we switch them back to digital ocean. How this is implemented is by adding a new rule to the oonibackend proxy that acts as a load balancer towards the test helpers on digital ocean. The reason to do this is so that we don't have to complicate the TLS setup by having to do certificate provisioning on the test helpers, but rather are able to keep it in AWS. Moreover by having a single entry point to the test helpers it means we can implement a cache which works across all the test helper backends, instead of having a per-test helper caching layer. What is missing is adding the rules that perform routing on a per domain basis to the load balancer config. --------- Co-authored-by: decfox <[email protected]>
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Currently because of NAT gateways it's costing us a lot to run the test helpers on AWS, we should move them to digital ocean.
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