cli/install/install.sh

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#!/usr/bin/env bash
# ------------------------------------------------------------
# Copyright 2021 The Dapr Authors
# 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.
# ------------------------------------------------------------
# Dapr CLI location
: ${DAPR_INSTALL_DIR:="/usr/local/bin"}
# sudo is required to copy binary to DAPR_INSTALL_DIR for linux
: ${USE_SUDO:="false"}
# Http request CLI
DAPR_HTTP_REQUEST_CLI=curl
# GitHub Organization and repo name to download release
GITHUB_ORG=dapr
GITHUB_REPO=cli
# Dapr CLI filename
DAPR_CLI_FILENAME=dapr
DAPR_CLI_FILE="${DAPR_INSTALL_DIR}/${DAPR_CLI_FILENAME}"
getSystemInfo() {
ARCH=$(uname -m)
case $ARCH in
armv7*) ARCH="arm";;
aarch64) ARCH="arm64";;
x86_64) ARCH="amd64";;
esac
OS=$(echo `uname`|tr '[:upper:]' '[:lower:]')
# Most linux distro needs root permission to copy the file to /usr/local/bin
if [[ "$OS" == "linux" || "$OS" == "darwin" ]] && [ "$DAPR_INSTALL_DIR" == "/usr/local/bin" ]; then
USE_SUDO="true"
fi
}
verifySupported() {
releaseTag=$1
local supported=(darwin-amd64 linux-amd64 linux-arm linux-arm64)
local current_osarch="${OS}-${ARCH}"
for osarch in "${supported[@]}"; do
if [ "$osarch" == "$current_osarch" ]; then
echo "Your system is ${OS}_${ARCH}"
return
fi
done
if [ "$current_osarch" == "darwin-arm64" ]; then
if isReleaseAvailable $releaseTag; then
return
else
echo "The darwin_arm64 arch has no native binary for this version of Dapr, however you can use the amd64 version so long as you have rosetta installed"
echo "Use 'softwareupdate --install-rosetta' to install rosetta if you don't already have it"
ARCH="amd64"
return
fi
fi
echo "No prebuilt binary for ${current_osarch}"
exit 1
}
runAsRoot() {
local CMD="$*"
if [ $EUID -ne 0 -a $USE_SUDO = "true" ]; then
CMD="sudo $CMD"
fi
$CMD || {
echo "Please visit https://docs.dapr.io/getting-started/install-dapr-cli/ for instructions on how to install without sudo."
exit 1
}
}
checkHttpRequestCLI() {
if type "curl" > /dev/null; then
DAPR_HTTP_REQUEST_CLI=curl
elif type "wget" > /dev/null; then
DAPR_HTTP_REQUEST_CLI=wget
else
echo "Either curl or wget is required"
exit 1
fi
}
checkExistingDapr() {
if [ -f "$DAPR_CLI_FILE" ]; then
echo -e "\nDapr CLI is detected:"
$DAPR_CLI_FILE --version
echo -e "Reinstalling Dapr CLI - ${DAPR_CLI_FILE}...\n"
else
echo -e "Installing Dapr CLI...\n"
fi
}
getLatestRelease() {
local daprReleaseUrl="https://api.github.com/repos/${GITHUB_ORG}/${GITHUB_REPO}/releases"
local latest_release=""
if [ "$DAPR_HTTP_REQUEST_CLI" == "curl" ]; then
latest_release=$(curl -s $daprReleaseUrl | grep \"tag_name\" | grep -v rc | awk 'NR==1{print $2}' | sed -n 's/\"\(.*\)\",/\1/p')
else
latest_release=$(wget -q --header="Accept: application/json" -O - $daprReleaseUrl | grep \"tag_name\" | grep -v rc | awk 'NR==1{print $2}' | sed -n 's/\"\(.*\)\",/\1/p')
fi
ret_val=$latest_release
}
downloadFile() {
LATEST_RELEASE_TAG=$1
DAPR_CLI_ARTIFACT="${DAPR_CLI_FILENAME}_${OS}_${ARCH}.tar.gz"
DOWNLOAD_BASE="https://github.com/${GITHUB_ORG}/${GITHUB_REPO}/releases/download"
DOWNLOAD_URL="${DOWNLOAD_BASE}/${LATEST_RELEASE_TAG}/${DAPR_CLI_ARTIFACT}"
# Create the temp directory
DAPR_TMP_ROOT=$(mktemp -dt dapr-install-XXXXXX)
ARTIFACT_TMP_FILE="$DAPR_TMP_ROOT/$DAPR_CLI_ARTIFACT"
echo "Downloading $DOWNLOAD_URL ..."
if [ "$DAPR_HTTP_REQUEST_CLI" == "curl" ]; then
curl -SsL "$DOWNLOAD_URL" -o "$ARTIFACT_TMP_FILE"
else
wget -q -O "$ARTIFACT_TMP_FILE" "$DOWNLOAD_URL"
fi
if [ ! -f "$ARTIFACT_TMP_FILE" ]; then
echo "failed to download $DOWNLOAD_URL ..."
exit 1
fi
}
isReleaseAvailable() {
LATEST_RELEASE_TAG=$1
DAPR_CLI_ARTIFACT="${DAPR_CLI_FILENAME}_${OS}_${ARCH}.tar.gz"
DOWNLOAD_BASE="https://github.com/${GITHUB_ORG}/${GITHUB_REPO}/releases/download"
DOWNLOAD_URL="${DOWNLOAD_BASE}/${LATEST_RELEASE_TAG}/${DAPR_CLI_ARTIFACT}"
if [ "$DAPR_HTTP_REQUEST_CLI" == "curl" ]; then
httpstatus=$(curl -sSLI -o /dev/null -w "%{http_code}" "$DOWNLOAD_URL")
if [ "$httpstatus" == "200" ]; then
return 0
fi
else
wget -q --spider "$DOWNLOAD_URL"
exitstatus=$?
if [ $exitstatus -eq 0 ]; then
return 0
fi
fi
return 1
}
installFile() {
tar xf "$ARTIFACT_TMP_FILE" -C "$DAPR_TMP_ROOT"
local tmp_root_dapr_cli="$DAPR_TMP_ROOT/$DAPR_CLI_FILENAME"
if [ ! -f "$tmp_root_dapr_cli" ]; then
echo "Failed to unpack Dapr CLI executable."
exit 1
fi
if [ -f "$DAPR_CLI_FILE" ]; then
runAsRoot rm "$DAPR_CLI_FILE"
fi
chmod o+x $tmp_root_dapr_cli
mkdir -p $DAPR_INSTALL_DIR
runAsRoot cp "$tmp_root_dapr_cli" "$DAPR_INSTALL_DIR"
if [ -f "$DAPR_CLI_FILE" ]; then
echo "$DAPR_CLI_FILENAME installed into $DAPR_INSTALL_DIR successfully."
$DAPR_CLI_FILE --version
else
echo "Failed to install $DAPR_CLI_FILENAME"
exit 1
fi
}
fail_trap() {
result=$?
if [ "$result" != "0" ]; then
echo "Failed to install Dapr CLI"
echo "For support, go to https://dapr.io"
fi
cleanup
exit $result
}
cleanup() {
if [[ -d "${DAPR_TMP_ROOT:-}" ]]; then
rm -rf "$DAPR_TMP_ROOT"
fi
}
installCompleted() {
echo -e "\nTo get started with Dapr, please visit https://docs.dapr.io/getting-started/"
}
# -----------------------------------------------------------------------------
# main
# -----------------------------------------------------------------------------
trap "fail_trap" EXIT
getSystemInfo
checkHttpRequestCLI
if [ -z "$1" ]; then
echo "Getting the latest Dapr CLI..."
getLatestRelease
else
ret_val=v$1
fi
verifySupported $ret_val
checkExistingDapr
echo "Installing $ret_val Dapr CLI..."
downloadFile $ret_val
installFile
cleanup
installCompleted