Resource Definitions

Driver

Capability

Flavor

Resource Type

Environment Varaiables

This section contains example Resource Definitions using the Template Driver  for injecting environment variables  in your containers.

  • inject-env-var-to-workload.yaml: Add the required environment variables to the Workload so they become available inside the containers. This format is for use with the Humanitec CLI .
  • inject-env-var-to-workload.tf: This format is for use with the Humanitec Terraform Provider .

Resource Definitions

inject-env-var-to-workload.yaml (view on GitHub ) :

# This Resource Definition uses the Template Driver 
# to add inject environment variables to a Workload
apiVersion: entity.humanitec.io/v1b1
kind: Definition
metadata:
  id: inject-env-var-to-workload
entity:
  name: inject-env-var-to-workload
  type: workload
  driver_type: humanitec/template
  driver_inputs:
    values:
      templates:
        outputs: |
          update:
            {{- range $containerId, $value := .resource.spec.containers }}
            - op: add
              path: /spec/containers/{{ $containerId }}/env
              value:
                - name: MY_ENV_VAR_A
                  value: "my env value A"
                - name: MY_ENV_VAR_B
                  value: "my env value B"
                - name: MY_ENV_VAR_C
                  value: "my env value C"
            {{- end }}

inject-env-var-to-workload.tf (view on GitHub ) :

resource "humanitec_resource_definition" "inject-env-var-to-workload" {
  driver_type = "humanitec/template"
  id          = "inject-env-var-to-workload"
  name        = "inject-env-var-to-workload"
  type        = "workload"
  driver_inputs = {
    values_string = jsonencode({
      "templates" = {
        "outputs" = "update:\n  {{- range $containerId, $value := .resource.spec.containers }}\n  - op: add\n    path: /spec/containers/{{ $containerId }}/env\n    value:\n      - name: MY_ENV_VAR_A\n        value: \"my env value A\"\n      - name: MY_ENV_VAR_B\n        value: \"my env value B\"\n      - name: MY_ENV_VAR_C\n        value: \"my env value C\"\n  {{- end }}"
      }
    })
  }
}