Created
April 11, 2016 17:05
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Terraform Installer
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| #!/bin/bash | |
| set -e | |
| INSTALLATION_PATH="/opt/Hashicorp/Terraform" | |
| TERRAFORM_RELEASES_URL="https://releases.hashicorp.com/terraform" | |
| GITHUB_RELEASES_URL="https://api.github.com/repos/hashicorp/terraform/releases" | |
| echo "-> Getting latest release number." | |
| release="$( curl -s ${GITHUB_RELEASES_URL} | jq '.[].tag_name' | head -n1 | grep -Eo '[0-9.]+' )" | |
| echo "-> Latest release is ${release}." | |
| if [ -e "${INSTALLATION_PATH}/${release}" ]; then | |
| echo "Version already installed." | |
| exit | |
| fi | |
| echo "-> Downloading Terraform ${release}." | |
| TMP_DOWNLOAD_PATH="/tmp/terraform_${release}_linux_amd64.zip" | |
| wget -O"${TMP_DOWNLOAD_PATH}" "${TERRAFORM_RELEASES_URL}/${release}/terraform_${release}_linux_amd64.zip" | |
| trap 'rm -vf "${TMP_DOWNLOAD_PATH}"' EXIT INT TERM #Clean ${TMP_DOWNLOAD_PATH} at exit. | |
| echo "-> Checking SHA256 sum." | |
| original_sha256sum="$( curl -s "${TERRAFORM_RELEASES_URL}/${release}/terraform_${release}_SHA256SUMS" | awk '/linux_amd64/ {print $1}' )" | |
| local_sha256sum="$( sha256sum "${TMP_DOWNLOAD_PATH}" | awk '{print $1}' )" | |
| if [ "${original_sha256sum}" != "${local_sha256sum}" ]; then | |
| echo "SHA256SUM FAIL" | |
| exit 1 | |
| fi | |
| echo "-> Copying binaries to ${INSTALLATION_PATH}." | |
| mkdir -p "${INSTALLATION_PATH}/${release}" | |
| unzip "${TMP_DOWNLOAD_PATH}" -d "${INSTALLATION_PATH}/${release}" | |
| rm -fv "${INSTALLATION_PATH}/current" | |
| ln -s "${INSTALLATION_PATH}/${release}" "${INSTALLATION_PATH}/current" |
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