Terraform less verbose and more bash friendly

tf-apply.sh

#!/bin/bash

trap 'rm -rf terraform.tfplan' EXIT
trap '' INT

function filter_manifest_short() {
  grep --line-buffered -v -P '\(known after apply\)|\(\d+ unchanged \w+ hidden\)'
}

function filter_manifest_compact() {
  grep --line-buffered -v -P '^\s\s[\s+~-]'
}

function filter_terraform_status() {
  declare -A statusline

  declare -A progress
  progress=(["-"]="\\\\" ["\\\\"]="|" ["|"]="/" ["/"]="-" [r]="R" [R]="r" [a]="A" [A]="a" [c]="C" [C]="c" [d]="D" [D]="d")

  ignore=no

  IFS=''
  while read line; do
    test "$line" != "$prev" || continue
    case "$line" in
      *'Warning:'*'Applied changes may be incomplete'*|*'Warning:'*'Resource targeting is in effect'*|'This plan was saved to: terraform.tfplan')
        ignore=yes
        ;;
      *'suggests to use it as part of an error message'*|*'exceptional situations such as recovering from errors or mistakes'*|*'terraform apply "terraform.tfplan"')
        ignore=no
        continue
        ;;
    esac
    test $ignore = yes && continue
    case "$line" in
      *': Refreshing state...'*)
        key="-"
        currentstate="${statusline[$key]:-/}"
        statusline[$key]="${progress[$currentstate]}"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Reading...'*)
        statusline["-"]="*"
        key="${line%: Reading...*}"
        statusline[$key]="r"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Creating...'*)
        statusline["-"]="*"
        key="${line%: Creating...*}"
        statusline[$key]="a"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Modifying...'*)
        statusline["-"]="*"
        key="${line%: Modifying...*}"
        statusline[$key]="c"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Destroying...'*)
        statusline["-"]="*"
        key="${line%: Destroying...*}"
        key="${key% (* ????????)}"
        statusline[$key]="d"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Still '*'ing... '*)
        statusline["-"]="*"
        key="${line%: Still *}"
        statusline[$key]="${progress[${statusline[$key]}]}"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': '*' complete after '*)
        statusline["-"]="*"
        key="${line%: * complete after *}"
        statusline[$key]="*"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *)
        echo "$line"
        prev="$line"
    esac
  done
}

filter="filter_manifest_short | filter_terraform_status"

args=()

for arg in "$@"; do
  case "$arg" in
    -compact) filter="filter_manifest_compact | filter_terraform_status";;
    -short) ;;
    -full) filter="cat";;
    -*) args+=("$arg");;
    *) args+=("-target=$arg")
  esac
done

terraform plan -detailed-exitcode ${args[*]} -out=terraform.tfplan | eval $filter

test ${PIPESTATUS[0]} = 2 || exit $?

echo "Do you want to perform these actions?"
echo "  Terraform will perform the actions described above."
echo "  Only 'yes' will be accepted to approve.:"
echo ""

read -p "  Enter a value: " VALUE

test "$VALUE" = "yes" || exit 0

echo ""

terraform apply -auto-approve -refresh=false ${args[*]} terraform.tfplan | eval $filter
status=${PIPESTATUS[0]}

exit $status

tf-destroy.sh

#!/bin/bash

trap 'rm -rf terraform.tfplan' EXIT
trap '' INT

function filter_manifest_short() {
  grep --line-buffered -v -P '\(known after apply\)|\(\d+ unchanged \w+ hidden\)'
}

function filter_manifest_compact() {
  grep --line-buffered -v -P '^\s\s[\s+~-]'
}

function filter_terraform_status() {
  declare -A statusline

  declare -A progress
  progress=(["-"]="\\\\" ["\\\\"]="|" ["|"]="/" ["/"]="-" [r]="R" [R]="r" [a]="A" [A]="a" [c]="C" [C]="c" [d]="D" [D]="d")

  IFS=''
  while read line; do
    test "$line" != "$prev" || continue
    case "$line" in
      *': Refreshing state...'*)
        key="-"
        currentstate="${statusline[$key]:-/}"
        statusline[$key]="${progress[$currentstate]}"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Reading...'*)
        statusline["-"]="*"
        key="${line%: Reading...*}"
        statusline[$key]="r"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Creating...'*)
        statusline["-"]="*"
        key="${line%: Creating...*}"
        statusline[$key]="a"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Modifying...'*)
        statusline["-"]="*"
        key="${line%: Modifying...*}"
        statusline[$key]="c"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Destroying...'*)
        statusline["-"]="*"
        key="${line%: Destroying...*}"
        key="${key% (* ????????)}"
        statusline[$key]="d"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Still '*'ing... '*)
        statusline["-"]="*"
        key="${line%: Still *}"
        statusline[$key]="${progress[${statusline[$key]}]}"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': '*' complete after '*)
        statusline["-"]="*"
        key="${line%: * complete after *}"
        statusline[$key]="*"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *)
        echo "$line"
        prev="$line"
    esac
  done
}

filter="filter_manifest_short | filter_terraform_status"

args=()

for arg in "$@"; do
  case "$arg" in
    -compact) filter="filter_manifest_compact | filter_terraform_status";;
    -short) ;;
    -full) filter="cat";;
    -*) args+=("$arg");;
    *) args+=("-target=$arg")
  esac
done

terraform plan -destroy -detailed-exitcode ${args[*]} | eval $filter

test ${PIPESTATUS[0]} = 2 || exit $?

echo "Do you want to perform these actions?"
echo "  Terraform will perform the actions described above."
echo "  Only 'yes' will be accepted to approve.:"
echo ""

read -p "  Enter a value: " VALUE

test "$VALUE" = "yes" || exit 0

echo ""

terraform destroy -auto-approve ${args[*]} | eval $filter
status=${PIPESTATUS[0]}

exit $status

tf-init.sh

#!/bin/sh
set -e
exec terraform init -upgrade \
| grep -v -P 'Finding .* versions matching|Initializing (modules|the backend|provider plugins)...|Upgrading modules...|Using previously-installed|Reusing previous version of|from the shared cache directory|in modules/' \
| sed '/Terraform has been successfully initialized/,$d' \
| uniq \
| sed '1{/^$/d}'

tf-list.sh

#!/bin/bash
terraform state list "$@" | sed 's/\x1b\[[01]m//g'
exit ${PIPESTATUS[0]}

tf-mv.sh

#!/bin/bash
set -e
terraform state mv "$@"

tf-plan.sh

#!/bin/bash

function filter_manifest_short() {
  grep --line-buffered -v -P '\(known after apply\)|\(\d+ unchanged \w+ hidden\)'
}

function filter_manifest_compact() {
  grep --line-buffered -v -P '^\s\s[\s+~-]'
}

function filter_terraform_status() {
  declare -A statusline

  declare -A progress
  progress=(["-"]="\\\\" ["\\\\"]="|" ["|"]="/" ["/"]="-" [r]="R" [R]="r" [a]="A" [A]="a" [c]="C" [C]="c" [d]="D" [D]="d")

  IFS=''
  while read line; do
    test "$line" != "$prev" || continue
    case "$line" in
      *': Refreshing state...'*)
        key="-"
        currentstate="${statusline[$key]:-/}"
        statusline[$key]="${progress[$currentstate]}"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *': Reading...'*)
        statusline["-"]="*"
        key="${line%: Reading...*}"
        statusline[$key]="r"
        echo "${statusline[*]}" | xargs printf "%s"
        printf "\r"
        ;;
      *)
        echo "$line"
        prev="$line"
    esac
  done
}

filter="filter_manifest_short | filter_terraform_status"

args=()

for arg in "$@"; do
  case "$arg" in
    -compact) filter="filter_manifest_compact | filter_terraform_status";;
    -short) ;;
    -full) filter="cat";;
    -*) args+=("$arg");;
    *) args+=("-target=$arg")
  esac
done

terraform plan -detailed-exitcode ${args[*]} | eval $filter

exit ${PIPESTATUS[0]}

tf-refresh.sh

#!/bin/bash
args=()
for arg in "$@"; do
  case "$arg" in
    -*) args+=("$arg");;
    *) args+=("-target=$arg")
  esac
done
terraform refresh ${args[*]}
exit ${PIPESTATUS[0]}

tf-rm.sh

#!/bin/bash
set -e
terraform state rm "$@"

tf-show.sh

#!/bin/bash
if [ $# -gt 0 ]; then
    terraform state show -no-color "$@" | sed 's/\x1b\[[01]m//g'
    exit ${PIPESTATUS[0]}
else
    terraform show -no-color
    exit $?
fi

tf-taint.sh

#!/bin/bash
set -e
for r in "$@"; do
  terraform taint "$r"
done

tf-untaint.sh

#!/bin/bash
set -e
for r in "$@"; do
  terraform untaint "$r"
done