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#!/usr/bin/env bash
# Copyright (c) 2023 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -exuo pipefail
function terraform_apply () {
# Run terraform apply command to prepare topology.
#
# Variable read:
# - ${CSIT_DIR} - CSIT main directory, where terraform modules are located.
# - ${TERRAFORM_MODULE_DIR} - Terraform module directory.
set -exuo pipefail
if ! installed terraform; then
die "Please install terraform!"
fi
pushd "${CSIT_DIR}"/fdio.infra.terraform || die "Pushd failed!"
pushd "${TERRAFORM_MODULE_DIR}" || die "Pushd failed!"
export TF_LOG=INFO
terraform apply -no-color -auto-approve || die "Terraform apply failed!"
popd || die "Popd failed!"
popd || die "Popd failed!"
}
function terraform_destroy () {
# Run terraform destroy command to prepare module.
#
# Variable read:
# - ${CSIT_DIR} - CSIT main directory, where terraform modules are located.
# - ${TERRAFORM_MODULE_DIR} - Terraform module directory.
set -exuo pipefail
if ! installed terraform; then
die "Please install terraform!"
fi
pushd "${CSIT_DIR}"/fdio.infra.terraform || die "Pushd failed!"
pushd "${TERRAFORM_MODULE_DIR}" || die "Pushd failed!"
export TF_LOG=INFO
terraform destroy -auto-approve -no-color || die "Terraform destroy failed!"
popd || die "Popd failed!"
popd || die "Popd failed!"
}
function terraform_init () {
# Run terraform init command to prepare module.
#
# Variable read:
# - ${CSIT_DIR} - CSIT main directory, where terraform modules are located.
# - ${TERRAFORM_MODULE_DIR} - Terraform module directory.
set -exuo pipefail
if ! installed terraform; then
die "Please install terraform!"
fi
pushd "${CSIT_DIR}"/fdio.infra.terraform || die "Pushd failed!"
pushd "${TERRAFORM_MODULE_DIR}" || die "Pushd failed!"
#plugin_url="https://github.com/radekg/terraform-provisioner-ansible/"
#plugin_url+="releases/download/v2.5.0/"
#plugin_url+="terraform-provisioner-ansible-linux-amd64_v2.5.0"
#plugin_dir="${HOME}/.terraform.d/plugins/"
#plugin_path+="${plugin_dir}terraform-provisioner-ansible_v2.5.0"
#mkdir -p "${plugin_dir}" || die "Failed to create dir!"
#wget -O "${plugin_path}" "${plugin_url}" || die "Failed to download plugin!"
#chmod +x "${plugin_path}" || die "Failed to add execute rights!"
rm -f terraform.tfstate || die "Failed to clear terraform state!"
export TF_LOG=INFO
terraform init || die "Failed to run terraform init!"
popd || die "Popd failed!"
popd || die "Popd failed!"
}
function terraform_install () {
# Install terraform.
OS_ARCH=$(uname -m) || die "Failed to get arch."
case "${OS_ARCH}" in
x86_64) architecture="amd64" ;;
aarch64) architecture="arm64" ;;
esac
terraform_version="1.4.2/terraform_1.4.2_linux_${architecture}.zip"
terraform_url="https://releases.hashicorp.com/terraform"
terraform_link="${terraform_url}/${terraform_version}"
wget "${terraform_link}" || die "Failed to install Terraform!"
unzip "terraform_1.4.2_linux_${architecture}.zip" || {
die "Failed to install Terraform!"
}
mv "terraform" "/usr/local/bin" || die "Failed to install Terraform!"
rm "terraform_1.4.2_linux_${architecture}.zip" || {
die "Failed to install Terraform!"
}
}
function terraform_output () {
# Run terraform output command to prepare module.
#
# Variable read:
# - ${CSIT_DIR} - CSIT main directory, where terraform modules are located.
# - ${TERRAFORM_MODULE_DIR} - Terraform module directory.
# - ${TERRAFORM_OUTPUT_VAR} - Terraform variable to export.
set -exuo pipefail
if ! installed terraform; then
die "Please install terraform!"
fi
pushd "${CSIT_DIR}"/fdio.infra.terraform || die "Pushd failed!"
pushd "${TERRAFORM_MODULE_DIR}" || die "Pushd failed!"
TERRAFORM_OUTPUT_VAL=$(terraform output --raw "${TERRAFORM_OUTPUT_VAR}")
popd || die "Popd failed!"
popd || die "Popd failed!"
}
function terraform_validate () {
# Run terraform validate command to prepare module.
#
# Variable read:
# - ${CSIT_DIR} - CSIT main directory, where terraform modules are located.
# - ${TERRAFORM_MODULE_DIR} - Terraform module directory.
set -exuo pipefail
if ! installed terraform; then
die "Please install terraform!"
fi
pushd "${CSIT_DIR}"/fdio.infra.terraform || die "Pushd failed!"
pushd "${TERRAFORM_MODULE_DIR}" || die "Pushd failed!"
export TF_LOG=INFO
terraform validate || die "Terraform validate failed!"
popd || die "Popd failed!"
popd || die "Popd failed!"
}
function installed () {
# Check if the given utility is installed. Fail if not installed.
#
# Arguments:
# - ${1} - Utility to check.
# Returns (implicitly):
# - 0 - If command is installed.
# - 1 - If command is not installed.
set -exuo pipefail
command -v "${1}"
}
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