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* Allow generated assets (TLS materials, manifests) to be securely distributed to controller node(s) via file provisioner (i.e. ssh-agent) as an assets bundle file, rather than relying on assets being locally rendered to disk in an asset_dir and then securely distributed * Change `asset_dir` from required to optional. Left unset, asset_dir defaults to "" and no assets will be written to files on the machine that runs terraform apply * Enhancement: Managed cluster assets are kept only in Terraform state, which supports different backends (GCS, S3, etcd, etc) and optional encryption. terraform apply accesses state, runs in-memory, and distributes sensitive materials to controllers without making use of local disk (simplifies use in CI systems) * Enhancement: Improve asset unpack and layout process to position etcd certificates and control plane certificates more cleanly, without unneeded secret materials Details: * Terraform file provisioner support for distributing directories of contents (with unknown structure) has been limited to reading from a local directory, meaning local writes to asset_dir were required. https://github.com/poseidon/typhoon/issues/585 discusses the problem and newer or upcoming Terraform features that might help. * Observation: Terraform provisioner support for single files works well, but iteration isn't viable. We're also constrained to Terraform language features on the apply side (no extra plugins, no shelling out) and CoreOS / Fedora tools on the receive side. * Take a map representation of the contents that would have been splayed out in asset_dir and pack/encode them into a single file format devised for easy unpacking. Use an awk one-liner on the receive side to unpack. In pratice, this has worked well and its rather nice that a single assets file is transferred by file provisioner (all or none) Rel: https://github.com/poseidon/terraform-render-bootstrap/pull/162 |
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| .. | ||
| cl | ||
| bootstrap.tf | ||
| controllers.tf | ||
| LICENSE | ||
| network.tf | ||
| outputs.tf | ||
| README.md | ||
| ssh.tf | ||
| variables.tf | ||
| versions.tf | ||
| workers.tf | ||
Typhoon 
Typhoon is a minimal and free Kubernetes distribution.
- Minimal, stable base Kubernetes distribution
- Declarative infrastructure and configuration
- Free (freedom and cost) and privacy-respecting
- Practical for labs, datacenters, and clouds
Typhoon distributes upstream Kubernetes, architectural conventions, and cluster addons, much like a GNU/Linux distribution provides the Linux kernel and userspace components.
Features 
- Kubernetes v1.16.3 (upstream)
- Single or multi-master, Calico or flannel networking
- On-cluster etcd with TLS, RBAC-enabled, network policy
- Advanced features like snippets customization
- Ready for Ingress, Prometheus, Grafana, CSI, and other addons
Docs
Please see the official docs and the Digital Ocean tutorial.