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Add stricter types for GCP modules 

* Review variables available in google-cloud kubernetes
and workers modules and in documentation
This commit is contained in:
Dalton Hubble 2019-09-30 22:04:35 -07:00
parent 7bcf2d7831
commit f82266ac8c
5 changed files with 47 additions and 51 deletions
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1
CHANGES.md
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@ -26,6 +26,7 @@ Notable changes between versions.
#### Google Cloud
* Add Terraform v0.12 variables types ([#556](https://github.com/poseidon/typhoon/pull/556))
* Add `node_labels` variable to internal `workers` module ([#550](https://github.com/poseidon/typhoon/pull/550))
#### Addons

5
docs/advanced/worker-pools.md
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@ -69,7 +69,6 @@ The AWS internal `workers` module supports a number of [variables](https://githu
| spot_price | Spot price in USD for worker instances or 0 to use on-demand instances | 0 | 0.10 |
| clc_snippets | Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| service_cidr | Must match `service_cidr` of cluster | "10.3.0.0/16" | "10.3.0.0/24" |
| cluster_domain_suffix | Must match `cluster_domain_suffix` of cluster | "cluster.local" | "k8s.example.com" |
| node_labels | List of initial node labels | [] | ["worker-pool=foo"] |
Check the list of valid [instance types](https://aws.amazon.com/ec2/instance-types/) or per-region and per-type [spot prices](https://aws.amazon.com/ec2/spot/pricing/).
@ -136,7 +135,6 @@ The Azure internal `workers` module supports a number of [variables](https://git
| priority | Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time | Regular | Low |
| clc_snippets | Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| 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" |
| node_labels | List of initial node labels | [] | ["worker-pool=foo"] |
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.
@ -194,9 +192,9 @@ The Google Cloud internal `workers` module supports a number of [variables](http
| Name | Description | Example |
|:-----|:------------|:--------|
| name | Unique name (distinct from cluster name) | "yavin-16x" |
| cluster_name | Must be set to `cluster_name` of cluster | "yavin" |
| region | Region for the worker pool instances. May differ from the cluster's region | "europe-west2" |
| network | Must be set to `network_name` output by cluster | module.cluster.network_name |
| cluster_name | Must be set to `cluster_name` of cluster | "yavin" |
| kubeconfig | Must be set to `kubeconfig` output by cluster | module.cluster.kubeconfig |
| ssh_authorized_key | SSH public key for user 'core' | "ssh-rsa AAAAB3NZ..." |
@ -213,7 +211,6 @@ Check the list of regions [docs](https://cloud.google.com/compute/docs/regions-z
| preemptible | If true, Compute Engine will terminate instances randomly within 24 hours | false | true |
| clc_snippets | Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
| service_cidr | Must match `service_cidr` of cluster | "10.3.0.0/16" | "10.3.0.0/24" |
| cluster_domain_suffix | Must match `cluster_domain_suffix` of cluster | "cluster.local" | "k8s.example.com" |
| node_labels | List of initial node labels | [] | ["worker-pool=foo"] |
Check the list of valid [machine types](https://cloud.google.com/compute/docs/machine-types).

7
docs/cl/google-cloud.md
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@ -52,7 +52,7 @@ provider "google" {
version = "2.15.0"
project = "project-id"
region = "us-central1"
credentials = "${file("~/.config/google-cloud/terraform.json")}"
credentials = file("~/.config/google-cloud/terraform.json")
}
provider "ct" {
@ -180,7 +180,7 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/google-
| dns_zone | Google Cloud DNS zone | "google-cloud.example.com" |
| dns_zone_name | Google Cloud DNS zone name | "example-zone" |
| ssh_authorized_key | SSH public key for user 'core' | "ssh-rsa AAAAB3NZ..." |
| asset_dir | Path to a directory where generated assets should be placed (contains secrets) | "/home/user/.secrets/clusters/yavin" |
| asset_dir | Absolute path to a directory where generated assets should be placed (contains secrets) | "/home/user/.secrets/clusters/yavin" |
Check the list of valid [regions](https://cloud.google.com/compute/docs/regions-zones/regions-zones) and list Container Linux [images](https://cloud.google.com/compute/docs/images) with `gcloud compute images list | grep coreos`.
@ -211,14 +211,13 @@ resource "google_dns_managed_zone" "zone-for-clusters" {
| worker_type | Machine type for workers | "n1-standard-1" | See below |
| os_image | Container Linux image for compute instances | "coreos-stable" | "coreos-stable-1632-3-0-v20180215" |
| disk_size | Size of the disk in GB | 40 | 100 |
| worker_node_labels | List of initial worker node labels | [] | ["worker-pool=default"] |
| worker_preemptible | If enabled, Compute Engine will terminate workers randomly within 24 hours | false | true |
| 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 | "calico" | "calico" 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" |
| cluster_domain_suffix | FQDN suffix for Kubernetes services answered by coredns. | "cluster.local" | "k8s.example.com" |
| worker_node_labels | List of initial worker node labels | [] | ["worker-pool=default"] |
Check the list of valid [machine types](https://cloud.google.com/compute/docs/machine-types).

53
google-cloud/container-linux/kubernetes/variables.tf
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@ -23,45 +23,45 @@ variable "dns_zone_name" {
# instances
variable "controller_count" {
type = string
default = "1"
type = number
description = "Number of controllers (i.e. masters)"
default = 1
}
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of workers"
default = 1
}
variable "controller_type" {
type = string
default = "n1-standard-1"
description = "Machine type for controllers (see `gcloud compute machine-types list`)"
default = "n1-standard-1"
}
variable "worker_type" {
type = string
default = "n1-standard-1"
description = "Machine type for controllers (see `gcloud compute machine-types list`)"
default = "n1-standard-1"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "Container Linux image for compute instances (e.g. coreos-stable)"
default = "coreos-stable"
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the disk in GB"
default = 40
}
variable "worker_preemptible" {
type = string
default = "false"
type = bool
description = "If enabled, Compute Engine will terminate workers randomly within 24 hours"
default = false
}
variable "controller_clc_snippets" {
@ -84,49 +84,42 @@ variable "ssh_authorized_key" {
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = string
description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
}
variable "networking" {
description = "Choice of networking provider (flannel or calico)"
type = string
description = "Choice of networking provider (flannel or calico)"
default = "calico"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
}
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) "
type = string
default = "cluster.local"
}
variable "enable_reporting" {
type = string
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = string
default = "false"
default = false
}
variable "worker_node_labels" {
@ -135,3 +128,11 @@ variable "worker_node_labels" {
default = []
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
type = string
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"
}

32
google-cloud/container-linux/kubernetes/workers/variables.tf
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@ -23,33 +23,33 @@ variable "network" {
# instances
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of worker compute instances the instance group should manage"
default = 1
}
variable "machine_type" {
type = string
default = "n1-standard-1"
description = "Machine type for compute instances (e.g. gcloud compute machine-types list)"
default = "n1-standard-1"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "Container Linux image for compute instanges (e.g. gcloud compute images list)"
default = "coreos-stable"
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the disk in GB"
default = 40
}
variable "preemptible" {
type = string
default = "false"
type = bool
description = "If enabled, Compute Engine will terminate instances randomly within 24 hours"
default = false
}
variable "clc_snippets" {
@ -71,22 +71,14 @@ variable "ssh_authorized_key" {
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
}
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) "
type = string
default = "cluster.local"
}
variable "node_labels" {
type = list(string)
description = "List of initial node labels"
@ -95,6 +87,12 @@ variable "node_labels" {
# unofficial, undocumented, unsupported, temporary
variable "cluster_domain_suffix" {
type = string
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 "accelerator_type" {
type = string
default = ""