xxx_tfver2_pipeline_create.sh

#!/bin/bash

######################################################
# Error Check Script
set -e
function trap_debugger () {
    # Function to output script error & slack alert via alt script
    local parent_lineno="$1"
    local message="$2"
    local code="${3:-1}"

    if [[ -n "$message" ]] ; then
        echo "Error on or near line ${parent_lineno}: ${message}; command yielded exit code ${code}"
    else
        echo "Error on or near line ${parent_lineno}; command yielded exit code ${code}"
    fi

    exit "${code}"
}

# keep track of the last executed command
trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG

trap 'trap_debugger ${LINENO}' ERR
######################################################


if [ "$#" -ne 2 ]; then
    echo "USAGE: ./xxx_tfver2_pipeline_create.sh \${YOUR_TERRAFORM_EXEC} \${YOUR_UNIQUE_RANDOM_STRING}"
    echo "e.g > ./xxx_tfver2_pipeline_create.sh terraform_v1.0.6 z0b3ly"
    exit 0
fi

terraform_exec=$1
random_string=$2


echo "creating dev & prod backends  now..."
### Run terraform
## 0. setup remote backend
for myenv in "dev" "prod" ; do
    cd terraform_v2/00_setup_remote_s3_backend_${myenv}

        rm -rf .terraform .terraform.lock.hcl
        $terraform_exec init -input=false
        $terraform_exec validate
        $terraform_exec apply \
            -input=false \
            -var random_string=$random_string \
            -auto-approve

        rm -fv ${myenv}.backend.hcl
        for be_key in "region" "bucket" "dynamodb_table"; do
            grep $be_key backend_${myenv}.tf | sed 's/^[ \t]*//;s/[ \t]*$//' >> ${myenv}.backend.hcl
        done
        cp -v ${myenv}.backend.hcl ../envs/${myenv}/

        ### copy backend tfstate to it's own remote state
        IS_REMOTE_STATE_UP=$($terraform_exec state list | wc -l)
        if [ "$IS_REMOTE_STATE_UP" -gt "0" ]; then
            echo "remote state has already been pushed. skipping..."
        else
            echo "pushing remote state for the first time"
            $terraform_exec init -force-copy -input=false
        fi

    cd -
done

for myenv in "dev" "prod"; do
    ## 1
    cd terraform_v2/entrypoints/sls_deployment_bucket

    rm -rf .terraform .terraform.lock.hcl
    $terraform_exec init \
        -input=false \
        -backend-config=../../envs/${myenv}/${myenv}.backend.hcl

    $terraform_exec validate

    $terraform_exec apply \
        -var-file=../../envs/${myenv}/${myenv}.tfvars \
        -var random_string=$random_string \
        -auto-approve \
        -input=false

    cd -

    ## 2
    cd terraform_v2/entrypoints/exifripper_buckets_and_iam_role

    rm -rf .terraform .terraform.lock.hcl
    $terraform_exec init \
        -input=false \
        -backend-config=../../envs/${myenv}/${myenv}.backend.hcl

    $terraform_exec validate

    $terraform_exec apply \
        -var-file=../../envs/${myenv}/${myenv}.tfvars \
        -var random_string=$random_string \
        -auto-approve \
        -input=false

    cd -

done