With bamboo-specs yaml is it possible to have a base deployment and merge yaml maps?

[Jay Barra]

I have multiple environments I deploy a project to where the only difference in the deployment are the variables associated and the triggers.

How can I specify a base deployment job and use the merge keys feature in the yaml-specs reader together?

What I want to achieve would be this.

---
version: 2
deployment:
  name: Multi-env deployment
  source-plan: MY-PROJ
release-naming:
  version-name: release-1
environments:
  - ENV-A
  - ENV-B
  - ENV-C

BASE: &deploy
  tasks: 
    - clean
    - script
        interpreter: SHELL
        scripts:
          - echo ${bamboo_ENV_SPECIFIC}
  variables: &base-variables
    foo: bar
    fiz: baz

ENV-A:
  <<: *deploy
  variables:
    <<: *base-variables
    ENV_SPECIFIC: A

ENV-B:
  <<: *deploy
  variables:
    <<: *base-variables
    ENV_SPECIFIC: B

ENV-C:
  <<: *deploy
  variables:
    <<: *base-variables
    ENV_SPECIFIC: C

But I get validation errors saying that BASE is an unused variable. Is my only option to move BASE into ENV-A?

[Eduardo A · Accepted solution]

Hello @Jay Barra Welcome to Atlassian Community!

Bamboo will expect all declared variables to be used. That's part of the YAML optimisation.

Considering "ENV-A" is your "template" environment. You can use the following to achieve the same results:

---
version: 2

deployment:
  name: Multi-env deployment
  source-plan: DEF-DEF

release-naming:
  next-version-name: release-1

environments:
  - ENV-A
  - ENV-B
  - ENV-C

ENV-A:
  tasks: &base-tasks
  - clean
  - script:
      interpreter: SHELL
      scripts:
      - echo ${bamboo_ENV_SPECIFIC}
      description: test
  variables: &base-variables
    ENV_SPECIFIC: A
    foo: bar
    fiz: baz

ENV-B:
  tasks: *base-tasks
  variables:
    <<: *base-variables
    ENV_SPECIFIC: B

ENV-C:
  tasks: *base-tasks
  variables:
    <<: *base-variables
    ENV_SPECIFIC: C

Kind Regards,

Eduardo Alvarenga
Atlassian SupporT APAC