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Switch to Flatcar Azure gen2 images and change worker type

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* Switch from Azure Hypervisor generation 1 to generation 2
* Change default Azure `worker_type` from Standard_DS1_v2 to Standard_D2as_v5
  * Get 2 VCPU, 7 GiB, 12500Mbps (vs 1 VCPU, 3.5GiB, 750 Mbps)
  * Small increase in pay-as-you-go price ($53.29 -> $62.78)
  * Small increase in spot price ($5.64/mo -> $7.37/mo)
  * Change from Intel to AMD EPYC (`D2as_v5` cheaper than `D2s_v5`)

Notes: Azure makes you accept terms for each plan:

```
az vm image terms accept --publish kinvolk --offer flatcar-container-linux-free --plan stable-gen2
```

Rel:

* https://learn.microsoft.com/en-us/azure/virtual-machines/dasv5-dadsv5-series#dasv5-series
* https://learn.microsoft.com/en-us/azure/virtual-machines/dv2-dsv2-series#dsv2-series
This commit is contained in:
Dalton Hubble
2022-10-13 09:47:45 -07:00
parent 675ac63159
commit 8d2c8b8db6
7 changed files with 27 additions and 17 deletions
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14
azure/flatcar-linux/kubernetes/variables.tf
View File

@ -43,7 +43,7 @@ variable "controller_type" {
variable "worker_type" {
type = string
description = "Machine type for workers (see `az vm list-skus --location centralus`)"
default = "Standard_DS1_v2"
default = "Standard_D2as_v5"
}
variable "os_image" {
@ -133,6 +133,12 @@ variable "worker_node_labels" {
default = []
}
variable "daemonset_tolerations" {
type = list(string)
description = "List of additional taint keys kube-system DaemonSets should tolerate (e.g. ['custom-role', 'gpu-role'])"
default = []
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
@ -140,9 +146,3 @@ variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
default = "cluster.local"
}
variable "daemonset_tolerations" {
type = list(string)
description = "List of additional taint keys kube-system DaemonSets should tolerate (e.g. ['custom-role', 'gpu-role'])"
default = []
}