Resource Definitions

Driver

Capability

Flavor

Resource Type

Affinity

This section contains example Resource Definitions using the Template Driver for the affinity of Kubernetes Pods.

  • affinity.yaml: Add affinity rules to the Workload. This format is for use with the Humanitec CLI .

Resource Definitions

affinity.yaml ( view on GitHub ) :

# Add affinity rules to the Workload by adding a value to the manifest at .spec.affinity 
apiVersion: entity.humanitec.io/v1b1
kind: Definition
metadata:
  id: workload-affinity
entity:
  name: workload-affinity
  type: workload
  driver_type: humanitec/template
  driver_inputs:
    values:
      templates:
        outputs: |
          update:
          - op: add
            path: /spec/affinity
            value: 
              nodeAffinity:
                preferredDuringSchedulingIgnoredDuringExecution:
                - weight: 1
                  preference:
                    matchExpressions:
                    - key: another-node-label-key
                      operator: In
                      values:
                      - another-node-label-value
  criteria: []

affinity.tf ( view on GitHub ) :

resource "humanitec_resource_definition" "workload-affinity" {
  driver_type = "humanitec/template"
  id          = "workload-affinity"
  name        = "workload-affinity"
  type        = "workload"
  driver_inputs = {
    values_string = jsonencode({
      "templates" = {
        "outputs" = <<END_OF_TEXT
update:
- op: add
  path: /spec/affinity
  value: 
    nodeAffinity:
      preferredDuringSchedulingIgnoredDuringExecution:
      - weight: 1
        preference:
          matchExpressions:
          - key: another-node-label-key
            operator: In
            values:
            - another-node-label-value
END_OF_TEXT
      }
    })
  }
}