mirror of
https://github.com/helm/helm.git
synced 2026-04-26 08:37:01 -04:00
da73150ce9
Downloading of charts and helm itself happened over http. This change moves to use https as that is available with valid certs.
145 lines
4.2 KiB
Bash
Executable file
145 lines
4.2 KiB
Bash
Executable file
#!/bin/bash
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# Copyright 2016 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# The install script is based off of the MIT-licensed script from glide,
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# the package manager for Go: https://github.com/Masterminds/glide.sh/blob/master/get
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PROJECT_NAME="helm"
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: ${HELM_INSTALL_DIR:="/usr/local/bin"}
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# initArch discovers the architecture for this system.
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initArch() {
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ARCH=$(uname -m)
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case $ARCH in
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armv5*) ARCH="armv5";;
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armv6*) ARCH="armv6";;
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armv7*) ARCH="armv7";;
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aarch64) ARCH="arm64";;
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x86) ARCH="386";;
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x86_64) ARCH="amd64";;
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i686) ARCH="386";;
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i386) ARCH="386";;
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esac
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}
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# initOS discovers the operating system for this system.
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initOS() {
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OS=$(echo `uname`|tr '[:upper:]' '[:lower:]')
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case "$OS" in
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# Minimalist GNU for Windows
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mingw*) OS='windows';;
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esac
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}
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# verifySupported checks that the os/arch combination is supported for
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# binary builds.
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verifySupported() {
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local supported="linux-amd64\ndarwin-amd64\nlinux-386"
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if ! echo "${supported}" | grep -q "${OS}-${ARCH}"; then
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echo "No prebuild binary for ${OS}-${ARCH}."
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echo "To build from source, go to https://github.com/kubernetes/helm"
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exit 1
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fi
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if ! type "curl" > /dev/null && ! type "wget" > /dev/null; then
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echo "Either curl or wget is required"
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exit 1
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fi
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}
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# downloadFile downloads the latest binary package and also the checksum
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# for that binary.
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downloadFile() {
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# Use the GitHub API to find the latest version for this project.
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local latest_url="https://api.github.com/repos/kubernetes/helm/releases/latest"
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if type "curl" > /dev/null; then
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TAG=$(curl -s $latest_url | awk '/\"tag_name\":/{gsub( /[,\"]/,"", $2); print $2}')
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elif type "wget" > /dev/null; then
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TAG=$(wget -q -O - $latest_url | awk '/\"tag_name\":/{gsub( /[,\"]/,"", $2); print $2}')
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fi
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HELM_DIST="helm-$TAG-$OS-$ARCH.tar.gz"
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DOWNLOAD_URL="https://kubernetes-helm.storage.googleapis.com/$HELM_DIST"
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CHECKSUM_URL="$DOWNLOAD_URL.sha256"
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HELM_TMP_FILE="/tmp/$HELM_DIST"
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HELM_SUM_FILE="/tmp/$HELM_DIST.sha256"
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echo "Downloading $DOWNLOAD_URL"
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if type "curl" > /dev/null; then
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curl -Ls "$CHECKSUM_URL" -o "$HELM_SUM_FILE"
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elif type "wget" > /dev/null; then
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wget -q -O "$HELM_SUM_FILE" "$CHECKSUM_URL"
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fi
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if type "curl" > /dev/null; then
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curl -L "$DOWNLOAD_URL" -o "$HELM_TMP_FILE"
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elif type "wget" > /dev/null; then
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wget -q -O "$HELM_TMP_FILE" "$DOWNLOAD_URL"
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fi
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}
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# installFile verifies the SHA256 for the file, then unpacks and
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# installs it.
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installFile() {
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HELM_TMP="/tmp/$PROJECT_NAME"
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local sum=$(shasum -a 256 ${HELM_TMP_FILE} | awk '{print $1}')
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local expected_sum=$(cat ${HELM_SUM_FILE})
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if [ "$sum" != "$expected_sum" ]; then
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echo "SHA sum of $HELM_TMP does not match. Aborting."
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exit 1
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fi
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mkdir -p "$HELM_TMP"
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tar xf "$HELM_TMP_FILE" -C "$HELM_TMP"
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HELM_TMP_BIN="$HELM_TMP/$OS-$ARCH/$PROJECT_NAME"
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echo "Preparing to install into ${HELM_INSTALL_DIR} (sudo)"
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sudo cp "$HELM_TMP_BIN" "$HELM_INSTALL_DIR"
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}
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# fail_trap is executed if an error occurs.
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fail_trap() {
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result=$?
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if [ "$result" != "0" ]; then
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echo "Failed to install $PROJECT_NAME"
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echo "\tFor support, go to https://github.com/kubernetes/helm."
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fi
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exit $result
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}
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# testVersion tests the installed client to make sure it is working.
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testVersion() {
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set +e
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echo "$PROJECT_NAME installed into $HELM_INSTALL_DIR/$PROJECT_NAME"
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HELM="$(which $PROJECT_NAME)"
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if [ "$?" = "1" ]; then
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echo "$PROJECT_NAME not found. Is $HELM_INSTALL_DIR on your "'$PATH?'
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exit 1
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fi
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set -e
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echo "Run '$PROJECT_NAME init' to configure $PROJECT_NAME."
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}
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# Execution
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#Stop execution on any error
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trap "fail_trap" EXIT
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set -e
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initArch
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initOS
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verifySupported
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downloadFile
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installFile
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testVersion
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