aws-parameter-store-bitbucket.yaml

image: python:3.7.3

pipelines:
  default:
    - step:
        name: Build and Test
        script:
          - pipe: atlassian/aws-cli:1.16.283
            variables:
              AWS_ACCESS_KEY_ID: $AWS_ACCESS_KEY_ID
              AWS_SECRET_ACCESS_KEY: $AWS_SECRET_ACCESS_KEY
              AWS_DEFAULT_REGION: 'us-west-2' # your AWS region
              COMMAND: 'ssm get-parameters --names "your_parameter_name" --with-decryption'

gistfile1.txt

image: python:3.7.3

pipelines:
  default:
    - step:
        name: Retrieve from AWS Parameter Store
        script:
          - pipe: atlassian/aws-cli:1.16.283
            variables:
              AWS_ACCESS_KEY_ID: $AWS_ACCESS_KEY_ID
              AWS_SECRET_ACCESS_KEY: $AWS_SECRET_ACCESS_KEY
              AWS_DEFAULT_REGION: 'us-west-2' # your AWS region
              COMMAND: 'ssm get-parameters --names "param1 param2 param3 param4 ... param20" --with-decryption'
          - |
            PARAMETERS_JSON="$COMMAND_OUTPUT"
            for i in $(seq 1 20); do
              echo "$PARAMETERS_JSON" | jq -r ".Parameters[$((i-1))].Value" > "param$i.txt"
            done
        artifacts: # defining the artifacts
          - param*.txt
    - step:
        name: Use the Parameters
        script:
          - |
            for i in $(seq 1 20); do
              PARAM_VALUE=$(cat "param$i.txt")
              echo "Using parameter $i: $PARAM_VALUE"
            done