GKE Node Pool
Usage
NOTE: All parameters are configurable. Please see below for information on each configuration option.
Variables
For more info, please see the variables file.
Required Variables
Variable |
Description |
name |
Name to use as a prefix to all the resources. |
region |
The region that hosts the cluster. Each node will be put in a different availability zone in the region for HA. |
cluster |
The cluster to create the node pool for. |
service_account |
The service account to be used by the Node VMs. Can be taken as output from gke_infra module. |
Optional Variables
Variable |
Description |
Default |
project |
The ID of the google project to which the resource belongs. |
Value configured in gcloud client. |
k8s_version |
Default K8s versions for API and Node. |
1.11 |
initial_node_count |
The initial node count for the pool. |
3 |
max_pods_per_node |
The maximum number of pods per node in this node pool. |
110 |
autoscaling_nodes_min |
Minimum number of nodes to create in each zone. Must be >=1 and <= autoscaling_nodes_max. |
1 |
autoscaling_nodes_max |
Maximum number of nodes to create in each zone. Must be >= autoscaling_nodes_min. |
3 |
enable_auto_repair |
Whether the nodes will be automatically repaired. |
true |
auto_upgrade |
Whether the nodes will be automatically upgraded. |
true |
disk_size |
Size of the disk attached to each node, specified in GB. The smallest allowed disk size is 10GB. |
20 |
disk_type |
Type of the disk attached to each node (e.g. 'pd-standard' or 'pd-ssd'). |
pd-standard |
node_image |
The image type to use for this node. Note that changing the image type will delete and recreate all nodes in the node pool. |
COS |
local_ssd_count |
The amount of local SSD disks that will be attached to each cluster node. |
0 |
machine_type |
The Google Compute Engine machine type to use for the nodes. |
n1-standard-1 |
preemptible_nodes |
Whether to enable Premptible nodes. |
true |
node_metadata |
How to expose the node metadata to the workload running on the node. |
SECURE |
oauth_scopes |
The set of Google API scopes to be made available on all of the node VMs under the default service account. |
see vars file |
node_tags |
The list of instance tags applied to all nodes. Tags are used to identify valid sources or targets for network firewalls. |
[] |
Output Variables
Variable |
Description |
node_pool_name |
The name of the node pool. |
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