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110 lines
3.4 KiB
Bash
110 lines
3.4 KiB
Bash
#!/usr/bin/env bash
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# Convert all templated variables to shell variables
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INSTALL_VERSION=${INSTALL_VERSION}
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GITHUB_EXTERNAL_AUTH_ID=${GITHUB_EXTERNAL_AUTH_ID}
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AUTH_PATH=${AUTH_PATH}
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fetch() {
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dest="$1"
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url="$2"
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if command -v curl > /dev/null 2>&1; then
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curl -sSL --fail "$${url}" -o "$${dest}"
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elif command -v wget > /dev/null 2>&1; then
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wget -O "$${dest}" "$${url}"
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elif command -v busybox > /dev/null 2>&1; then
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busybox wget -O "$${dest}" "$${url}"
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else
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printf "curl, wget, or busybox is not installed. Please install curl or wget in your image.\n"
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exit 1
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fi
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}
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unzip_safe() {
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if command -v unzip > /dev/null 2>&1; then
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command unzip "$@"
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elif command -v busybox > /dev/null 2>&1; then
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busybox unzip "$@"
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else
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printf "unzip or busybox is not installed. Please install unzip in your image.\n"
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exit 1
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fi
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}
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install() {
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# Fetch the latest version of Vault if INSTALL_VERSION is 'latest'
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if [ "$${INSTALL_VERSION}" = "latest" ]; then
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LATEST_VERSION=$(curl -s https://releases.hashicorp.com/vault/ | grep -v '-rc' | grep -oP 'vault/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -n 1)
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printf "Latest version of Vault is %s.\n\n" "$${LATEST_VERSION}"
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if [ -z "$${LATEST_VERSION}" ]; then
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printf "Failed to determine the latest Vault version.\n"
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return 1
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fi
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INSTALL_VERSION=$${LATEST_VERSION}
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fi
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# Check if the vault CLI is installed and has the correct version
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installation_needed=1
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if command -v vault > /dev/null 2>&1; then
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CURRENT_VERSION=$(vault version | grep -oE '[0-9]+\.[0-9]+\.[0-9]+')
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if [ "$${CURRENT_VERSION}" = "$${INSTALL_VERSION}" ]; then
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printf "Vault version %s is already installed and up-to-date.\n\n" "$${CURRENT_VERSION}"
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installation_needed=0
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fi
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fi
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if [ $${installation_needed} -eq 1 ]; then
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# Download and install Vault
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if [ -z "$${CURRENT_VERSION}" ]; then
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printf "Installing Vault CLI ...\n\n"
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else
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printf "Upgrading Vault CLI from version %s to %s ...\n\n" "$${CURRENT_VERSION}" "${INSTALL_VERSION}"
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fi
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fetch vault.zip "https://releases.hashicorp.com/vault/$${INSTALL_VERSION}/vault_$${INSTALL_VERSION}_linux_amd64.zip"
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if [ $? -ne 0 ]; then
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printf "Failed to download Vault.\n"
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return 1
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fi
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if ! unzip_safe vault.zip; then
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printf "Failed to unzip Vault.\n"
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return 1
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fi
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rm vault.zip
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if sudo mv vault /usr/local/bin/vault 2> /dev/null; then
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printf "Vault installed successfully!\n\n"
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else
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mkdir -p ~/.local/bin
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if ! mv vault ~/.local/bin/vault; then
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printf "Failed to move Vault to local bin.\n"
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return 1
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fi
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printf "Please add ~/.local/bin to your PATH to use vault CLI.\n"
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fi
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fi
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return 0
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}
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TMP=$(mktemp -d)
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if ! (
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cd "$TMP"
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install
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); then
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echo "Failed to install Vault CLI."
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exit 1
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fi
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rm -rf "$TMP"
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# Authenticate with Vault
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printf "🔑 Authenticating with Vault ...\n\n"
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GITHUB_TOKEN=$(coder external-auth access-token "$${GITHUB_EXTERNAL_AUTH_ID}")
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if [ $? -ne 0 ]; then
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printf "Authentication with Vault failed. Please check your credentials.\n"
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exit 1
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fi
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# Login to vault using the GitHub token
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printf "🔑 Logging in to Vault ...\n\n"
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vault login -no-print -method=github -path=/$${AUTH_PATH} token="$${GITHUB_TOKEN}"
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printf "🥳 Vault authentication complete!\n\n"
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printf "You can now use Vault CLI to access secrets.\n"
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