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Allow Calico networking on Azure and DigitalOcean

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* Introduce "calico" as a `networking` option on Azure and DigitalOcean
using Calico's new VXLAN support (similar to flannel). Flannel remains
the default on these platforms for now.
* Historically, DigitalOcean and Azure only allowed Flannel as the
CNI provider, since those platforms don't support IPIP traffic that
was previously required for Calico.
* Looking forward, its desireable for Calico to become the default
across Typhoon clusters, since it provides NetworkPolicy and a
consistent experience
* No changes to AWS, GCP, or bare-metal where Calico remains the
default CNI provider. On these platforms, IPIP mode will always
be used, since its available and more performant than vxlan
This commit is contained in:
Dalton Hubble
2019-05-06 00:38:23 -07:00
parent b9bab739ce
commit 147c21a4bd
10 changed files with 56 additions and 20 deletions
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1
docs/cl/azure.md
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@ -253,6 +253,7 @@ Reference the DNS zone with `"${azurerm_dns_zone.clusters.name}"` and its resour
| worker_priority | Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time | Regular | Low |
| controller_clc_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| worker_clc_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| networking | Choice of networking provider | "flannel" | "flannel" or "calico" (experimental) |
| 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" |

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docs/cl/digital-ocean.md
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@ -253,6 +253,7 @@ Digital Ocean requires the SSH public key be uploaded to your account, so you ma
| image | Container Linux image for instances | "coreos-stable" | coreos-stable, coreos-beta, coreos-alpha |
| controller_clc_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/) |
| worker_clc_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/) |
| networking | Choice of networking provider | "flannel" | "flannel" or "calico" (experimental) |
| 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" |
| cluster_domain_suffix | FQDN suffix for Kubernetes services answered by coredns. | "cluster.local" | "k8s.example.com" |