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Remove the cluster_domain_suffix variable

Browse Source 
* Drop support for `cluster_domain_suffix` customization and
always use `cluster.local`. Many components in the Kubernetes
ecosystem assume this default suffix and its very rare to be
setting a special value here these days
* Cleanup a few variables that are seldom used
This commit is contained in:
Dalton Hubble
2024-08-02 15:01:48 -07:00
parent af27661432
commit 0120b9f38d
88 changed files with 261 additions and 409 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
docs/fedora-coreos/aws.md
View File

@ -79,12 +79,12 @@ module "tempest" {
dns_zone = "aws.example.com"
dns_zone_id = "Z3PAABBCFAKEC0"
# configuration
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
# optional
# instances
worker_count = 2
worker_type = "t3.small"
# configuration
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
}
```
@ -155,9 +155,9 @@ List the pods.
```
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system calico-node-1m5bf 2/2 Running 0 34m
kube-system calico-node-7jmr1 2/2 Running 0 34m
kube-system calico-node-bknc8 2/2 Running 0 34m
kube-system cilium-1m5bf 1/1 Running 0 34m
kube-system cilium-7jmr1 1/1 Running 0 34m
kube-system cilium-bknc8 1/1 Running 0 34m
kube-system coredns-1187388186-wx1lg 1/1 Running 0 34m
kube-system coredns-1187388186-qjnvp 1/1 Running 0 34m
kube-system kube-apiserver-ip-10-0-3-155 1/1 Running 0 34m
@ -206,16 +206,21 @@ Reference the DNS zone id with `aws_route53_zone.zone-for-clusters.zone_id`.
| Name | Description | Default | Example |
|:-----|:------------|:--------|:--------|
| os_stream | Fedora CoreOS stream for instances | "stable" | "testing", "next" |
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | EC2 instance type for controllers | "t3.small" | See below |
| controller_disk_size | Size of EBS volume in GB | 30 | 100 |
| controller_disk_type | Type of EBS volume | gp3 | io1 |
| controller_disk_iops | IOPS of EBS volume | 3000 | 4000 |
| controller_cpu_credits | Burstable CPU pricing model | null (i.e. auto) | standard, unlimited |
| worker_count | Number of workers | 1 | 3 |
| worker_type | EC2 instance type for workers | "t3.small" | See below |
| os_stream | Fedora CoreOS stream for compute instances | "stable" | "testing", "next" |
| disk_size | Size of the EBS volume in GB | 30 | 100 |
| disk_type | Type of the EBS volume | "gp3" | standard, gp2, gp3, io1 |
| disk_iops | IOPS of the EBS volume | 0 (i.e. auto) | 400 |
| worker_target_groups | Target group ARNs to which worker instances should be added | [] | [aws_lb_target_group.app.id] |
| worker_disk_size | Size of EBS volume in GB | 30 | 100 |
| worker_disk_type | Type of EBS volume | gp3 | io1 |
| worker_disk_iops | IOPS of EBS volume | 3000 | 4000 |
| worker_cpu_credits | Burstable CPU pricing model | null (i.e. auto) | standard, unlimited |
| worker_price | Spot price in USD for worker instances or 0 to use on-demand instances | 0 | 0.10 |
| worker_target_groups | Target group ARNs to which worker instances should be added | [] | [aws_lb_target_group.app.id] |
| controller_snippets | Controller Butane snippets | [] | [examples](/advanced/customization/) |
| worker_snippets | Worker Butane snippets | [] | [examples](/advanced/customization/) |
| networking | Choice of networking provider | "cilium" | "calico" or "cilium" or "flannel" |
@ -228,7 +233,7 @@ Reference the DNS zone id with `aws_route53_zone.zone-for-clusters.zone_id`.
Check the list of valid [instance types](https://aws.amazon.com/ec2/instance-types/).
!!! warning
Do not choose a `controller_type` smaller than `t2.small`. Smaller instances are not sufficient for running a controller.
Do not choose a `controller_type` smaller than `t3.small`. Smaller instances are not sufficient for running a controller.
!!! tip "MTU"
If your EC2 instance type supports [Jumbo frames](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/network_mtu.html#jumbo_frame_instances) (most do), we recommend you change the `network_mtu` to 8981! You will get better pod-to-pod bandwidth.

33
docs/fedora-coreos/azure.md
View File

@ -93,16 +93,16 @@ module "ramius" {
location = "centralus"
dns_zone = "azure.example.com"
dns_zone_group = "example-group"
# configuration
os_image = "/subscriptions/some/path/Microsoft.Compute/images/fedora-coreos-36.20220716.3.1"
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
# optional
worker_count = 2
network_cidr = {
network_cidr = {
ipv4 = ["10.0.0.0/20"]
}
# instances
os_image = "/subscriptions/some/path/Microsoft.Compute/images/fedora-coreos-36.20220716.3.1"
worker_count = 2
# configuration
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
}
```
@ -175,9 +175,9 @@ $ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-7c6fbb4f4b-b6qzx 1/1 Running 0 26m
kube-system coredns-7c6fbb4f4b-j2k3d 1/1 Running 0 26m
kube-system calico-node-1m5bf 2/2 Running 0 26m
kube-system calico-node-7jmr1 2/2 Running 0 26m
kube-system calico-node-bknc8 2/2 Running 0 26m
kube-system cilium-1m5bf 1/1 Running 0 26m
kube-system cilium-7jmr1 1/1 Running 0 26m
kube-system cilium-bknc8 1/1 Running 0 26m
kube-system kube-apiserver-ramius-controller-0 1/1 Running 0 26m
kube-system kube-controller-manager-ramius-controller-0 1/1 Running 0 26m
kube-system kube-proxy-j4vpq 1/1 Running 0 26m
@ -240,10 +240,14 @@ Reference the DNS zone with `azurerm_dns_zone.clusters.name` and its resource gr
| Name | Description | Default | Example |
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | Machine type for controllers | "Standard_B2s" | See below |
| controller_disk_type | Managed disk for controllers | Premium_LRS | Standard_LRS |
| controller_disk_size | Managed disk size in GB | 30 | 50 |
| worker_count | Number of workers | 1 | 3 |
| worker_type | Machine type for workers | "Standard_D2as_v5" | See below |
| disk_size | Size of the disk in GB | 30 | 100 |
| worker_disk_type | Managed disk for workers | Standard_LRS | Premium_LRS |
| worker_disk_size | Size of the disk in GB | 30 | 100 |
| worker_ephemeral_disk | Use ephemeral local disk instead of managed disk | false | true |
| 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 Butane snippets | [] | [example](/advanced/customization/#usage) |
| worker_snippets | Worker Butane snippets | [] | [example](/advanced/customization/#usage) |
@ -255,9 +259,6 @@ Reference the DNS zone with `azurerm_dns_zone.clusters.name` and its resource gr
Check the list of valid [machine types](https://azure.microsoft.com/en-us/pricing/details/virtual-machines/linux/) and their [specs](https://docs.microsoft.com/en-us/azure/virtual-machines/linux/sizes-general). Use `az vm list-skus` to get the identifier.
!!! warning
Unlike AWS and GCP, Azure requires its *virtual* networks to have non-overlapping IPv4 CIDRs (yeah, go figure). Instead of each cluster just using `10.0.0.0/16` for instances, each Azure cluster's `host_cidr` must be non-overlapping (e.g. 10.0.0.0/20 for the 1st cluster, 10.0.16.0/20 for the 2nd cluster, etc).
!!! warning
Do not choose a `controller_type` smaller than `Standard_B2s`. Smaller instances are not sufficient for running a controller.

7
docs/fedora-coreos/bare-metal.md
View File

@ -323,9 +323,10 @@ List the pods.
```
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system calico-node-6qp7f 2/2 Running 1 11m
kube-system calico-node-gnjrm 2/2 Running 0 11m
kube-system calico-node-llbgt 2/2 Running 0 11m
kube-system cilium-6qp7f 1/1 Running 1 11m
kube-system cilium-gnjrm 1/1 Running 0 11m
kube-system cilium-llbgt 1/1 Running 0 11m
kube-system cilium-operator-68d778b448-g744f 1/1 Running 0 11m
kube-system coredns-1187388186-dj3pd 1/1 Running 0 11m
kube-system coredns-1187388186-mx9rt 1/1 Running 0 11m
kube-system kube-apiserver-node1.example.com 1/1 Running 0 11m

16
docs/fedora-coreos/digitalocean.md
View File

@ -88,12 +88,12 @@ module "nemo" {
region = "nyc3"
dns_zone = "digital-ocean.example.com"
# configuration
os_image = data.digitalocean_image.fedora-coreos-31-20200323-3-2.id
ssh_fingerprints = ["d7:9d:79:ae:56:32:73:79:95:88:e3:a2:ab:5d:45:e7"]
# optional
# instances
os_image = data.digitalocean_image.fedora-coreos-31-20200323-3-2.id
worker_count = 2
# configuration
ssh_fingerprints = ["d7:9d:79:ae:56:32:73:79:95:88:e3:a2:ab:5d:45:e7"]
}
```
@ -166,9 +166,9 @@ List the pods.
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-1187388186-ld1j7 1/1 Running 0 11m
kube-system coredns-1187388186-rdhf7 1/1 Running 0 11m
kube-system calico-node-1m5bf 2/2 Running 0 11m
kube-system calico-node-7jmr1 2/2 Running 0 11m
kube-system calico-node-bknc8 2/2 Running 0 11m
kube-system cilium-1m5bf 1/1 Running 0 11m
kube-system cilium-7jmr1 1/1 Running 0 11m
kube-system cilium-bknc8 1/1 Running 0 11m
kube-system kube-apiserver-ip-10.132.115.81 1/1 Running 0 11m
kube-system kube-controller-manager-ip-10.132.115.81 1/1 Running 0 11m
kube-system kube-proxy-6kxjf 1/1 Running 0 11m

23
docs/fedora-coreos/google-cloud.md
View File

@ -81,11 +81,11 @@ module "yavin" {
dns_zone = "example.com"
dns_zone_name = "example-zone"
# instances
worker_count = 2
# configuration
ssh_authorized_key = "ssh-ed25519 AAAAB3Nz..."
# optional
worker_count = 2
}
```
@ -157,9 +157,9 @@ List the pods.
```
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system calico-node-1cs8z 2/2 Running 0 6m
kube-system calico-node-d1l5b 2/2 Running 0 6m
kube-system calico-node-sp9ps 2/2 Running 0 6m
kube-system cilium-1cs8z 1/1 Running 0 6m
kube-system cilium-d1l5b 1/1 Running 0 6m
kube-system cilium-sp9ps 1/1 Running 0 6m
kube-system coredns-1187388186-dkh3o 1/1 Running 0 6m
kube-system coredns-1187388186-zj5dl 1/1 Running 0 6m
kube-system kube-apiserver-controller-0 1/1 Running 0 6m
@ -211,12 +211,13 @@ resource "google_dns_managed_zone" "zone-for-clusters" {
| Name | Description | Default | Example |
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 3 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | Machine type for controllers | "n1-standard-1" | See below |
| worker_type | Machine type for workers | "n1-standard-1" | See below |
| os_stream | Fedora CoreOS stream for compute instances | "stable" | "stable", "testing", "next" |
| disk_size | Size of the disk in GB | 30 | 100 |
| controller_count | Number of controllers (i.e. masters) | 1 | 3 |
| controller_type | Machine type for controllers | "n1-standard-1" | See below |
| controller_disk_type | Controller disk size in GB | 30 | 20 |
| worker_count | Number of workers | 1 | 3 |
| worker_type | Machine type for workers | "n1-standard-1" | See below |
| worker_disk_size | Worker disk size in GB | 30 | 100 |
| worker_preemptible | If enabled, Compute Engine will terminate workers randomly within 24 hours | false | true |
| controller_snippets | Controller Butane snippets | [] | [examples](/advanced/customization/) |
| worker_snippets | Worker Butane snippets | [] | [examples](/advanced/customization/) |

35
docs/flatcar-linux/aws.md
View File

@ -79,12 +79,12 @@ module "tempest" {
dns_zone = "aws.example.com"
dns_zone_id = "Z3PAABBCFAKEC0"
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
# optional
# instances
worker_count = 2
worker_type = "t3.small"
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
}
```
@ -155,9 +155,9 @@ List the pods.
```
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system calico-node-1m5bf 2/2 Running 0 34m
kube-system calico-node-7jmr1 2/2 Running 0 34m
kube-system calico-node-bknc8 2/2 Running 0 34m
kube-system cilium-1m5bf 1/1 Running 0 34m
kube-system cilium-7jmr1 1/1 Running 0 34m
kube-system cilium-bknc8 1/1 Running 0 34m
kube-system coredns-1187388186-wx1lg 1/1 Running 0 34m
kube-system coredns-1187388186-qjnvp 1/1 Running 0 34m
kube-system kube-apiserver-ip-10-0-3-155 1/1 Running 0 34m
@ -206,16 +206,19 @@ Reference the DNS zone id with `aws_route53_zone.zone-for-clusters.zone_id`.
| Name | Description | Default | Example |
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | EC2 instance type for controllers | "t3.small" | See below |
| worker_type | EC2 instance type for workers | "t3.small" | See below |
| os_image | AMI channel for a Container Linux derivative | "flatcar-stable" | flatcar-stable, flatcar-beta, flatcar-alpha |
| disk_size | Size of the EBS volume in GB | 30 | 100 |
| disk_type | Type of the EBS volume | "gp3" | standard, gp2, gp3, io1 |
| disk_iops | IOPS of the EBS volume | 0 (i.e. auto) | 400 |
| worker_target_groups | Target group ARNs to which worker instances should be added | [] | [aws_lb_target_group.app.id] |
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| controller_type | EC2 instance type for controllers | "t3.small" | See below |
| controller_disk_size | Size of EBS volume in GB | 30 | 100 |
| controller_disk_type | Type of EBS volume | gp3 | io1 |
| controller_disk_iops | IOPS of EBS volume | 3000 | 4000 |
| controller_cpu_credits | Burstable CPU pricing model | null (i.e. auto) | standard, unlimited |
| worker_disk_size | Size of EBS volume in GB | 30 | 100 |
| worker_disk_type | Type of EBS volume | gp3 | io1 |
| worker_disk_iops | IOPS of EBS volume | 3000 | 4000 |
| worker_cpu_credits | Burstable CPU pricing model | null (i.e. auto) | standard, unlimited |
| worker_price | Spot price in USD for worker instances or 0 to use on-demand instances | 0/null | 0.10 |
| worker_target_groups | Target group ARNs to which worker instances should be added | [] | [aws_lb_target_group.app.id] |
| 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 | "cilium" | "calico" or "cilium" or "flannel" |
@ -228,7 +231,7 @@ Reference the DNS zone id with `aws_route53_zone.zone-for-clusters.zone_id`.
Check the list of valid [instance types](https://aws.amazon.com/ec2/instance-types/).
!!! warning
Do not choose a `controller_type` smaller than `t2.small`. Smaller instances are not sufficient for running a controller.
Do not choose a `controller_type` smaller than `t3.small`. Smaller instances are not sufficient for running a controller.
!!! tip "MTU"
If your EC2 instance type supports [Jumbo frames](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/network_mtu.html#jumbo_frame_instances) (most do), we recommend you change the `network_mtu` to 8981! You will get better pod-to-pod bandwidth.

35
docs/flatcar-linux/azure.md
View File

@ -82,15 +82,15 @@ module "ramius" {
location = "centralus"
dns_zone = "azure.example.com"
dns_zone_group = "example-group"
network_cidr = {
ipv4 = ["10.0.0.0/20"]
}
# instances
worker_count = 2
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
# optional
worker_count = 2
network_cidr = {
ipv4 = ["10.0.0.0/20"]
}
}
```
@ -163,9 +163,9 @@ $ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-7c6fbb4f4b-b6qzx 1/1 Running 0 26m
kube-system coredns-7c6fbb4f4b-j2k3d 1/1 Running 0 26m
kube-system calico-node-1m5bf 2/2 Running 0 26m
kube-system calico-node-7jmr1 2/2 Running 0 26m
kube-system calico-node-bknc8 2/2 Running 0 26m
kube-system cilium-1m5bf 1/1 Running 0 26m
kube-system cilium-7jmr1 1/1 Running 0 26m
kube-system cilium-bknc8 1/1 Running 0 26m
kube-system kube-apiserver-ramius-controller-0 1/1 Running 0 26m
kube-system kube-controller-manager-ramius-controller-0 1/1 Running 0 26m
kube-system kube-proxy-j4vpq 1/1 Running 0 26m
@ -226,12 +226,16 @@ Reference the DNS zone with `azurerm_dns_zone.clusters.name` and its resource gr
| Name | Description | Default | Example |
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | Machine type for controllers | "Standard_B2s" | See below |
| worker_type | Machine type for workers | "Standard_D2as_v5" | See below |
| os_image | Channel for a Container Linux derivative | "flatcar-stable" | flatcar-stable, flatcar-beta, flatcar-alpha |
| disk_size | Size of the disk in GB | 30 | 100 |
| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
| controller_type | Machine type for controllers | "Standard_B2s" | See below |
| controller_disk_type | Managed disk for controllers | Premium_LRS | Standard_LRS |
| controller_disk_size | Managed disk size in GB | 30 | 50 |
| worker_count | Number of workers | 1 | 3 |
| worker_type | Machine type for workers | "Standard_D2as_v5" | See below |
| worker_disk_type | Managed disk for workers | Standard_LRS | Premium_LRS |
| worker_disk_size | Size of the disk in GB | 30 | 100 |
| worker_ephemeral_disk | Use ephemeral local disk instead of managed disk | false | true |
| 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) |
@ -243,9 +247,6 @@ Reference the DNS zone with `azurerm_dns_zone.clusters.name` and its resource gr
Check the list of valid [machine types](https://azure.microsoft.com/en-us/pricing/details/virtual-machines/linux/) and their [specs](https://docs.microsoft.com/en-us/azure/virtual-machines/linux/sizes-general). Use `az vm list-skus` to get the identifier.
!!! warning
Unlike AWS and GCP, Azure requires its *virtual* networks to have non-overlapping IPv4 CIDRs (yeah, go figure). Instead of each cluster just using `10.0.0.0/16` for instances, each Azure cluster's `host_cidr` must be non-overlapping (e.g. 10.0.0.0/20 for the 1st cluster, 10.0.16.0/20 for the 2nd cluster, etc).
!!! warning
Do not choose a `controller_type` smaller than `Standard_B2s`. Smaller instances are not sufficient for running a controller.

7
docs/flatcar-linux/bare-metal.md
View File

@ -333,9 +333,10 @@ List the pods.
```
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system calico-node-6qp7f 2/2 Running 1 11m
kube-system calico-node-gnjrm 2/2 Running 0 11m
kube-system calico-node-llbgt 2/2 Running 0 11m
kube-system cilium-6qp7f 1/1 Running 1 11m
kube-system cilium-gnjrm 1/1 Running 0 11m
kube-system cilium-llbgt 1/1 Running 0 11m
kube-system cilium-operator-68d778b448-g744f 1/1 Running 0 11m
kube-system coredns-1187388186-dj3pd 1/1 Running 0 11m
kube-system coredns-1187388186-mx9rt 1/1 Running 0 11m
kube-system kube-apiserver-node1.example.com 1/1 Running 0 11m

16
docs/flatcar-linux/digitalocean.md
View File

@ -88,12 +88,12 @@ module "nemo" {
region = "nyc3"
dns_zone = "digital-ocean.example.com"
# configuration
os_image = data.digitalocean_image.flatcar-stable-2303-4-0.id
ssh_fingerprints = ["d7:9d:79:ae:56:32:73:79:95:88:e3:a2:ab:5d:45:e7"]
# optional
# instances
os_image = data.digitalocean_image.flatcar-stable-2303-4-0.id
worker_count = 2
# configuration
ssh_fingerprints = ["d7:9d:79:ae:56:32:73:79:95:88:e3:a2:ab:5d:45:e7"]
}
```
@ -166,9 +166,9 @@ List the pods.
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-1187388186-ld1j7 1/1 Running 0 11m
kube-system coredns-1187388186-rdhf7 1/1 Running 0 11m
kube-system calico-node-1m5bf 2/2 Running 0 11m
kube-system calico-node-7jmr1 2/2 Running 0 11m
kube-system calico-node-bknc8 2/2 Running 0 11m
kube-system cilium-1m5bf 1/1 Running 0 11m
kube-system cilium-7jmr1 1/1 Running 0 11m
kube-system cilium-bknc8 1/1 Running 0 11m
kube-system kube-apiserver-ip-10.132.115.81 1/1 Running 0 11m
kube-system kube-controller-manager-ip-10.132.115.81 1/1 Running 0 11m
kube-system kube-proxy-6kxjf 1/1 Running 0 11m

23
docs/flatcar-linux/google-cloud.md
View File

@ -81,11 +81,11 @@ module "yavin" {
dns_zone = "example.com"
dns_zone_name = "example-zone"
# instances
worker_count = 2
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
# optional
worker_count = 2
}
```
@ -157,9 +157,9 @@ List the pods.
```
$ kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system calico-node-1cs8z 2/2 Running 0 6m
kube-system calico-node-d1l5b 2/2 Running 0 6m
kube-system calico-node-sp9ps 2/2 Running 0 6m
kube-system cilium-1cs8z 1/1 Running 0 6m
kube-system cilium-d1l5b 1/1 Running 0 6m
kube-system cilium-sp9ps 1/1 Running 0 6m
kube-system coredns-1187388186-dkh3o 1/1 Running 0 6m
kube-system coredns-1187388186-zj5dl 1/1 Running 0 6m
kube-system kube-apiserver-controller-0 1/1 Running 0 6m
@ -211,12 +211,13 @@ resource "google_dns_managed_zone" "zone-for-clusters" {
| Name | Description | Default | Example |
|:-----|:------------|:--------|:--------|
| controller_count | Number of controllers (i.e. masters) | 1 | 3 |
| worker_count | Number of workers | 1 | 3 |
| controller_type | Machine type for controllers | "n1-standard-1" | See below |
| worker_type | Machine type for workers | "n1-standard-1" | See below |
| os_image | Flatcar Linux image for compute instances | "flatcar-stable" | flatcar-stable, flatcar-beta, flatcar-alpha |
| disk_size | Size of the disk in GB | 30 | 100 |
| controller_count | Number of controllers (i.e. masters) | 1 | 3 |
| controller_type | Machine type for controllers | "n1-standard-1" | See below |
| controller_disk_type | Controller disk size in GB | 30 | 20 |
| worker_count | Number of workers | 1 | 3 |
| worker_type | Machine type for workers | "n1-standard-1" | See below |
| worker_disk_size | Worker disk size in GB | 30 | 100 |
| 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/) |