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Change default CNI provider from Calico to Cilium

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* Cilium (v1.8) was added to Typhoon in v1.18.5 in June 2020
and its become more impressive since then. Its currently the
leading CNI provider choice.
* Calico has grown complex, has lots of CRDs, masks its
management complexity with an operator (which we won't use),
doesn't provide multi-arch images, and hasn't been compatible
with Kubernetes v1.23 (with ipvs) for several releases.
* Both have CNCF conformance quirks (flannel used for conformance),
but that's not the main factor in choosing the default
This commit is contained in:
Dalton Hubble
2022-02-07 07:44:09 -08:00
parent 10b4ba14b6
commit cf4beeba34
21 changed files with 32 additions and 30 deletions
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2
docs/flatcar-linux/aws.md
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@ -218,7 +218,7 @@ Reference the DNS zone id with `aws_route53_zone.zone-for-clusters.zone_id`.
| worker_price | Spot price in USD for worker instances or 0 to use on-demand instances | 0/null | 0.10 |
| controller_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/) |
| worker_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/) |
| networking | Choice of networking provider | "calico" | "calico" or "cilium" or "flannel" |
| networking | Choice of networking provider | "cilium" | "calico" or "cilium" or "flannel" |
| network_mtu | CNI interface MTU (calico only) | 1480 | 8981 |
| host_cidr | CIDR IPv4 range to assign to EC2 instances | "10.0.0.0/16" | "10.1.0.0/16" |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |

2
docs/flatcar-linux/azure.md
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@ -233,7 +233,7 @@ Reference the DNS zone with `azurerm_dns_zone.clusters.name` and its resource gr
| worker_priority | Set priority to Spot to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time | Regular | Spot |
| controller_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| worker_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| networking | Choice of networking provider | "calico" | "calico" or "cilium" or "flannel" |
| networking | Choice of networking provider | "cilium" | "calico" or "cilium" or "flannel" |
| host_cidr | CIDR IPv4 range to assign to instances | "10.0.0.0/16" | "10.0.0.0/20" |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |
| service_cidr | CIDR IPv4 range to assign to Kubernetes services | "10.3.0.0/16" | "10.3.0.0/24" |

2
docs/flatcar-linux/bare-metal.md
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@ -344,7 +344,7 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/bare-me
| download_protocol | Protocol iPXE uses to download the kernel and initrd. iPXE must be compiled with [crypto](https://ipxe.org/crypto) support for https. Unused if cached_install is true | "https" | "http" |
| cached_install | PXE boot and install from the Matchbox `/assets` cache. Admin MUST have downloaded Container Linux or Flatcar images into the cache | false | true |
| install_disk | Disk device where Container Linux should be installed | "/dev/sda" | "/dev/sdb" |
| networking | Choice of networking provider | "calico" | "calico" or "cilium" or "flannel" |
| networking | Choice of networking provider | "cilium" | "calico" or "cilium" or "flannel" |
| network_mtu | CNI interface MTU (calico-only) | 1480 | - |
| snippets | Map from machine names to lists of Container Linux Config snippets | {} | [examples](/advanced/customization/) |
| network_ip_autodetection_method | Method to detect host IPv4 address (calico-only) | "first-found" | "can-reach=10.0.0.1" |

2
docs/flatcar-linux/digitalocean.md
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@ -240,7 +240,7 @@ Digital Ocean requires the SSH public key be uploaded to your account, so you ma
| worker_type | Droplet type for workers | "s-1vcpu-2gb" | s-1vcpu-2gb, s-2vcpu-2gb, ... |
| controller_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/) |
| worker_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/) |
| networking | Choice of networking provider | "calico" | "calico" or "cilium" or "flannel" |
| networking | Choice of networking provider | "cilium" | "calico" or "cilium" or "flannel" |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |
| service_cidr | CIDR IPv4 range to assign to Kubernetes services | "10.3.0.0/16" | "10.3.0.0/24" |

2
docs/flatcar-linux/google-cloud.md
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@ -220,7 +220,7 @@ resource "google_dns_managed_zone" "zone-for-clusters" {
| worker_preemptible | If enabled, Compute Engine will terminate workers randomly within 24 hours | false | true |
| controller_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/) |
| worker_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/) |
| networking | Choice of networking provider | "calico" | "calico" or "cilium" or "flannel" |
| networking | Choice of networking provider | "cilium" | "calico" or "cilium" or "flannel" |
| pod_cidr | CIDR IPv4 range to assign to Kubernetes pods | "10.2.0.0/16" | "10.22.0.0/16" |
| service_cidr | CIDR IPv4 range to assign to Kubernetes services | "10.3.0.0/16" | "10.3.0.0/24" |
| worker_node_labels | List of initial worker node labels | [] | ["worker-pool=default"] |