1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/debian/install_go.sh b/contrib/debian/install_go.sh
new file mode 100755
index 0000000..22ff691
--- /dev/null
+++ b/contrib/debian/install_go.sh
@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+
+GO_PACKAGE_VERSION="$1"
+LIB_DIR="$2"
+LIBEXEC_DIR="$3"
+
+# ############################################################
+# Package Go within netdata (TBD: Package it separately)
+safe_sha256sum() {
+	# Within the contexct of the installer, we only use -c option that is common between the two commands
+	# We will have to reconsider if we start non-common options
+	if command -v sha256sum >/dev/null 2>&1; then
+		sha256sum $@
+	elif command -v shasum >/dev/null 2>&1; then
+		shasum -a 256 $@
+	else
+		fatal "I could not find a suitable checksum binary to use"
+	fi
+}
+
+download_go() {
+	url="${1}"
+	dest="${2}"
+
+	if command -v curl >/dev/null 2>&1; then
+		curl -sSL --connect-timeout 10 --retry 3 "${url}" > "${dest}"
+	elif command -v wget >/dev/null 2>&1; then
+		wget -T 15 -O - "${url}" > "${dest}"
+	else
+		echo >&2
+		echo >&2 "Downloading go.d plugin from '${url}' failed because of missing mandatory packages."
+		echo >&2 "Either add packages or disable it by issuing '--disable-go' in the installer"
+		echo >&2
+		exit 1
+	fi
+}
+
+install_go() {
+	ARCH_MAP=(
+		'i386::386'
+		'i686::386'
+		'x86_64::amd64'
+		'aarch64::arm64'
+		'armv64::arm64'
+		'armv6l::arm'
+		'armv7l::arm'
+		'armv5tel::arm'
+	)
+
+	if [ -z "${NETDATA_DISABLE_GO+x}" ]; then
+		echo >&2 "Install go.d.plugin"
+		ARCH=$(uname -m)
+		OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+
+		for index in "${ARCH_MAP[@]}" ; do
+			KEY="${index%%::*}"
+			VALUE="${index##*::}"
+			if [ "$KEY" = "$ARCH" ]; then
+				ARCH="${VALUE}"
+				break
+			fi
+		done
+		tmp=$(mktemp -d /tmp/netdata-go-XXXXXX)
+		GO_PACKAGE_BASENAME="go.d.plugin-${GO_PACKAGE_VERSION}.${OS}-${ARCH}.tar.gz"
+		download_go "https://github.com/netdata/go.d.plugin/releases/download/${GO_PACKAGE_VERSION}/${GO_PACKAGE_BASENAME}" "${tmp}/${GO_PACKAGE_BASENAME}"
+		download_go "https://github.com/netdata/go.d.plugin/releases/download/${GO_PACKAGE_VERSION}/config.tar.gz" "${tmp}/config.tar.gz"
+
+		if [ ! -f "${tmp}/${GO_PACKAGE_BASENAME}" ] || [ ! -f "${tmp}/config.tar.gz" ] || [ ! -s "${tmp}/config.tar.gz" ] || [ ! -s "${tmp}/${GO_PACKAGE_BASENAME}" ]; then
+			echo >&2 "Either check the error or consider disabling it by issuing '--disable-go' in the installer"
+			echo >&2
+			return 1
+		fi
+
+		grep "${GO_PACKAGE_BASENAME}\$" "packaging/go.d.checksums" > "${tmp}/sha256sums.txt" 2>/dev/null
+		grep "config.tar.gz" "packaging/go.d.checksums" >> "${tmp}/sha256sums.txt" 2>/dev/null
+
+		# Checksum validation
+		if ! (cd "${tmp}" && safe_sha256sum -c "sha256sums.txt"); then
+
+			echo >&2 "go.d plugin checksum validation failure."
+			echo >&2 "Either check the error or consider disabling it by issuing '--disable-go' in the installer"
+			echo >&2
+
+			echo "go.d.plugin package files checksum validation failed."
+			exit 1
+		fi
+
+		# Install files
+		tar -xf "${tmp}/config.tar.gz" -C "${LIB_DIR}/conf.d/"
+		tar xf "${tmp}/${GO_PACKAGE_BASENAME}"
+		mv "${GO_PACKAGE_BASENAME/\.tar\.gz/}" "${LIBEXEC_DIR}/plugins.d/go.d.plugin"
+
+		rm -rf "${tmp}"
+	fi
+	return 0
+}
+
+install_go