Add stricter types to Azure modules
* Review variables available in Azure kubernetes and workers modules and sync with documentation * Fix internal workers module default type to Standard_DS1_v2
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Dalton Hubble
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@ -14,6 +14,8 @@ Notable changes between versions.
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#### Azure
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* Add Terraform v0.12 variables types ([#557](https://github.com/poseidon/typhoon/pull/557))
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* Change `workers` module default `vm_type` to `Standard_DS1_v2` (followup to [#539](https://github.com/poseidon/typhoon/pull/539))
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* Add `node_labels` variable to internal `workers` module ([#550](https://github.com/poseidon/typhoon/pull/550))
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#### Bare-Metal
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@ -31,7 +33,7 @@ Notable changes between versions.
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#### Addons
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* Update nginx-ingress from v0.25.1 to [v0.26.0](https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.26.0) ([#555](https://github.com/poseidon/typhoon/pull/555))
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* Update nginx-ingress from v0.25.1 to [v0.26.1](https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.26.1) ([#555](https://github.com/poseidon/typhoon/pull/555))
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* Add lifecycle hook to allow draining for up to 5 minutes
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* Update Grafana from v6.3.5 to [v6.3.6](https://github.com/grafana/grafana/releases/tag/v6.3.6)
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@ -23,27 +23,27 @@ variable "dns_zone_group" {
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# instances
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variable "controller_count" {
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type = string
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default = "1"
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type = number
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description = "Number of controllers (i.e. masters)"
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default = 1
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}
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variable "worker_count" {
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type = string
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default = "1"
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type = number
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description = "Number of workers"
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default = 1
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}
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variable "controller_type" {
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type = string
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default = "Standard_B2s"
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description = "Machine type for controllers (see `az vm list-skus --location centralus`)"
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default = "Standard_B2s"
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}
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variable "worker_type" {
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type = string
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default = "Standard_DS1_v2"
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description = "Machine type for workers (see `az vm list-skus --location centralus`)"
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default = "Standard_DS1_v2"
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}
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variable "os_image" {
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@ -53,15 +53,15 @@ variable "os_image" {
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}
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variable "disk_size" {
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type = string
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default = "40"
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type = number
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description = "Size of the disk in GB"
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default = 40
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}
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variable "worker_priority" {
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type = string
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default = "Regular"
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description = "Set worker priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time."
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default = "Regular"
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}
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variable "controller_clc_snippets" {
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@ -84,55 +84,47 @@ variable "ssh_authorized_key" {
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}
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variable "asset_dir" {
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description = "Path to a directory where generated assets should be placed (contains secrets)"
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type = string
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description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
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}
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variable "networking" {
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description = "Choice of networking provider (flannel or calico)"
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type = string
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description = "Choice of networking provider (flannel or calico)"
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default = "flannel"
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}
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variable "host_cidr" {
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description = "CIDR IPv4 range to assign to instances"
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type = string
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description = "CIDR IPv4 range to assign to instances"
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default = "10.0.0.0/16"
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}
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variable "pod_cidr" {
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description = "CIDR IPv4 range to assign Kubernetes pods"
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type = string
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description = "CIDR IPv4 range to assign Kubernetes pods"
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default = "10.2.0.0/16"
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}
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variable "service_cidr" {
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type = string
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description = <<EOD
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CIDR IPv4 range to assign Kubernetes services.
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The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
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EOD
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type = string
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default = "10.3.0.0/16"
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}
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variable "cluster_domain_suffix" {
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description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
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type = string
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default = "cluster.local"
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}
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variable "enable_reporting" {
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type = string
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type = bool
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description = "Enable usage or analytics reporting to upstreams (Calico)"
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default = "false"
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default = false
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}
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variable "enable_aggregation" {
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type = bool
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description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
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type = string
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default = "false"
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default = false
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}
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variable "worker_node_labels" {
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@ -141,3 +133,11 @@ variable "worker_node_labels" {
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default = []
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}
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# unofficial, undocumented, unsupported
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variable "cluster_domain_suffix" {
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type = string
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description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
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default = "cluster.local"
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}
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@ -33,27 +33,27 @@ variable "backend_address_pool_id" {
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# instances
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variable "worker_count" {
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type = string
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default = "1"
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type = number
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description = "Number of instances"
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default = 1
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}
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variable "vm_type" {
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type = string
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default = "Standard_F1"
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description = "Machine type for instances (see `az vm list-skus --location centralus`)"
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default = "Standard_DS1_v2"
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}
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variable "os_image" {
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type = string
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default = "coreos-stable"
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description = "Channel for a Container Linux derivative (coreos-stable, coreos-beta, coreos-alpha)"
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default = "coreos-stable"
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}
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variable "priority" {
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type = string
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default = "Regular"
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description = "Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be evicted at any time."
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default = "Regular"
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}
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variable "clc_snippets" {
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@ -75,24 +75,25 @@ variable "ssh_authorized_key" {
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}
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variable "service_cidr" {
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type = string
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description = <<EOD
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CIDR IPv4 range to assign Kubernetes services.
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The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
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EOD
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type = string
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default = "10.3.0.0/16"
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}
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variable "cluster_domain_suffix" {
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description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
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type = string
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default = "cluster.local"
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}
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variable "node_labels" {
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type = list(string)
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description = "List of initial node labels"
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default = []
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}
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# unofficial, undocumented, unsupported
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variable "cluster_domain_suffix" {
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description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
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type = string
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default = "cluster.local"
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}
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@ -62,7 +62,7 @@ The AWS internal `workers` module supports a number of [variables](https://githu
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|:-----|:------------|:--------|:--------|
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| worker_count | Number of instances | 1 | 3 |
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| instance_type | EC2 instance type | "t3.small" | "t3.medium" |
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| os_image | AMI channel for a Container Linux derivative | coreos-stable | coreos-stable, coreos-beta, coreos-alpha, flatcar-stable, flatcar-beta, flatcar-alpha |
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| os_image | AMI channel for a Container Linux derivative | "coreos-stable" | coreos-stable, coreos-beta, coreos-alpha, flatcar-stable, flatcar-beta, flatcar-alpha |
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| disk_size | Size of the EBS volume in GB | 40 | 100 |
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| disk_type | Type of the EBS volume | "gp2" | standard, gp2, io1 |
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| disk_iops | IOPS of the EBS volume | 0 (i.e. auto) | 400 |
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@ -130,9 +130,9 @@ The Azure internal `workers` module supports a number of [variables](https://git
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| Name | Description | Default | Example |
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|:-----|:------------|:--------|:--------|
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| worker_count | Number of instances | 1 | 3 |
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| vm_type | Machine type for instances | "Standard_F1" | See below |
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| os_image | Channel for a Container Linux derivative | coreos-stable | coreos-stable, coreos-beta, coreos-alpha |
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| priority | Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time | Regular | Low |
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| vm_type | Machine type for instances | "Standard_DS1_v2" | See below |
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| os_image | Channel for a Container Linux derivative | "coreos-stable" | coreos-stable, coreos-beta, coreos-alpha |
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| priority | Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time | "Regular" | "Low" |
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| clc_snippets | Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
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| service_cidr | CIDR IPv4 range to assign to Kubernetes services | "10.3.0.0/16" | "10.3.0.0/24" |
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| node_labels | List of initial node labels | [] | ["worker-pool=foo"] |
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@ -175,7 +175,7 @@ Check the [variables.tf](https://github.com/poseidon/typhoon/blob/master/azure/c
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| dns_zone | Azure DNS zone | "azure.example.com" |
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| dns_zone_group | Resource group where the Azure DNS zone resides | "global" |
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| ssh_authorized_key | SSH public key for user 'core' | "ssh-rsa AAAAB3NZ..." |
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| asset_dir | Path to a directory where generated assets should be placed (contains secrets) | "/home/user/.secrets/clusters/ramius" |
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| asset_dir | Absolute path to a directory where generated assets should be placed (contains secrets) | "/home/user/.secrets/clusters/ramius" |
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!!! tip
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Regions are shown in [docs](https://azure.microsoft.com/en-us/global-infrastructure/regions/) or with `az account list-locations --output table`.
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@ -195,14 +195,14 @@ resource "azurerm_resource_group" "global" {
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# DNS zone for clusters
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resource "azurerm_dns_zone" "clusters" {
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resource_group_name = "${azurerm_resource_group.global.name}"
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resource_group_name = azurerm_resource_group.global.name
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name = "azure.example.com"
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zone_type = "Public"
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}
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```
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Reference the DNS zone with `"${azurerm_dns_zone.clusters.name}"` and its resource group with `"${azurerm_resource_group.global.name}"`.
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Reference the DNS zone with `azurerm_dns_zone.clusters.name` and its resource group with `"azurerm_resource_group.global.name`.
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!!! tip ""
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If you have an existing domain name with a zone file elsewhere, just delegate a subdomain that can be managed on Azure DNS (e.g. azure.mydomain.com) and [update nameservers](https://docs.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns).
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@ -213,10 +213,10 @@ Reference the DNS zone with `"${azurerm_dns_zone.clusters.name}"` and its resour
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|:-----|:------------|:--------|:--------|
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| controller_count | Number of controllers (i.e. masters) | 1 | 1 |
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| worker_count | Number of workers | 1 | 3 |
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| controller_type | Machine type for controllers | "Standard_DS1_v2" | See below |
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| worker_type | Machine type for workers | "Standard_F1" | See below |
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| os_image | Channel for a Container Linux derivative | coreos-stable | coreos-stable, coreos-beta, coreos-alpha |
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| disk_size | Size of the disk in GB | "40" | "100" |
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| controller_type | Machine type for controllers | "Standard_B2s" | See below |
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| worker_type | Machine type for workers | "Standard_DS1_v2" | See below |
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| os_image | Channel for a Container Linux derivative | "coreos-stable" | coreos-stable, coreos-beta, coreos-alpha |
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| disk_size | Size of the disk in GB | 40 | 100 |
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| worker_node_labels | List of initial worker node labels | [] | ["worker-pool=default"] |
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| 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 |
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| controller_clc_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/#usage) |
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