Update pipeline yaml for terraform steps

bitbucket-pipelines.yml

@@ -2,12 +2,26 @@ definitions:
   steps:
     - step: &terraform_plan_apply
         name: "Plan and Apply Terraform"
-        image: zenika/terraform-aws-cli:latest
+        image: python:3.8
         script:
-          - terraform --version
-          # terraform steps here
-        trigger: automatic # uncomment after testing
-        # trigger: manual
+          - python -m pip install --upgrade pip 
+          - apt-get update && apt-get install -y jq git
+          - pip install awscli
+          - pip install terraform
+          - export AWS_ROLE_ARN=arn:aws:iam::$AWS_ACCOUNT_NO:role/$OIDC_ROLE
+          - export AWS_WEB_IDENTITY_TOKEN_FILE=$(pwd)/web-identity-token 
+          - echo $BITBUCKET_STEP_OIDC_TOKEN > $(pwd)/web-identity-token
+          - export STS_OUTPUT=$(aws sts assume-role-with-web-identity --role-arn $AWS_ROLE_ARN --role-session-name BitbucketPipeline --web-identity-token "$BITBUCKET_STEP_OIDC_TOKEN"  --duration-seconds 3600)
+          - export AWS_ACCESS_KEY_ID=$(echo $STS_OUTPUT | jq -r '.Credentials.AccessKeyId')
+          - export AWS_SECRET_ACCESS_KEY=$(echo $STS_OUTPUT | jq -r '.Credentials.SecretAccessKey')
+          - export AWS_SESSION_TOKEN=$(echo $STS_OUTPUT | jq -r '.Credentials.SessionToken')
+          - aws sts get-caller-identity
+          - terraform init -migrate-state -backend-config="access_key=$AWS_ACCESS_KEY_ID" -backend-config="secret_key=$AWS_SECRET_ACCESS_KEY" -backend-config="region=us-east-2" -backend-config="dynamodb_table=doczyai-use2-d-infra-dyd-terraform-lock" -backend-config="bucket=doczyai-use2-d-infra-s3-terraform-state" -backend-config="key=devops-pipeline/terraform.tfstate" 
+          - terraform validate
+          - BRANCH_NAME_LOWER=$(echo $BITBUCKET_BRANCH | tr '[:upper:]' '[:lower:]')
+          - terraform apply -auto-approve -no-color -var 'access_key=$AWS_ACCESS_KEY_ID' -var 'secret_key=$AWS_SECRET_ACCESS_KEY' -var 'aws_region=us-east-2' -var 'environment=$BRANCH_NAME_LOWER'
+        # trigger: automatic # uncomment after testing
+        trigger: manual
     - step: &snowflake_deploy
         name: "Deploy Snowflake Changes"
         image: python:3.7