Support for Existing Setups

Support the existing Jenkins and Gerrit setup that the Fabric team uses.
Support the existing Gitlab-CI setup used for Indy and Ursa while they transition to the new system.
Automatically driven by the PR process with build results gating PR merges.

New Capabilities

Support Kubernetes clusters for test net creation, monitoring, destruction.
Profiling capabilities for unit tests and pipeline steps.
Must be self-service so that teams have full control over their part of the available resources.

Jenkins:
- ability to self-manage plugins, credentials, job parameters
- start and restart build feature for maintainers
Multiplatform/multiarchitecture builds:
- Linux x86_64, armv7 (hard to find large RAM instances), armv8
- Windows x86_64
- MacOS x86_64
Multi compilers:
- gcc5, gcc7, clang6, Apple clang (on macos), Visual C++ (windows)
Instead of compiling on a native platform cross-compilation can be used (but it hurts):
- Requires a list of specific-version dependencies for each platform
- Compiling dependencies for other dependencies
~ 2-2.5GB RAM per compilation thread (currently builds are running on one-off AWS EC2 instances (c5.2xlarge))
Uploading artifacts to DockerHub and our Nexus repository (debug builds, etc)