1+ # Copyright Contributors to the Open Cluster Management project
2+ #! /usr/bin/env bash
3+
4+ # Clusteradm CLI location
5+ : ${INSTALL_DIR:= " /usr/local/bin"
6+
7+ # sudo is required to copy binary to INSTALL_DIR for linux
8+ : ${USE_SUDO:= " false"
9+
10+ # Http request CLI
11+ HTTP_REQUEST_CLI=curl
12+
13+ # GitHub Organization and repo name to download release
14+ GITHUB_ORG=open-cluster-management-io
15+ GITHUB_REPO=clusteradm
16+
17+ # CLI filename
18+ CLI_FILENAME=clusteradm
19+
20+ CLI_FILE=" ${INSTALL_DIR} /${CLI_FILENAME} "
21+
22+ getSystemInfo () {
23+ ARCH=$( uname -m)
24+ case $ARCH in
25+ armv7* ) ARCH=" arm"
26+ aarch64) ARCH=" arm64"
27+ x86_64) ARCH=" amd64"
28+ esac
29+
30+ OS=$( echo ` uname` | tr ' [:upper:]' ' [:lower:]' )
31+
32+ # Most linux distro needs root permission to copy the file to /usr/local/bin
33+ if [[ " $OS " == " linux" || " $OS " == " darwin" && [ " $INSTALL_DIR " == " /usr/local/bin" ; then
34+ USE_SUDO=" true"
35+ fi
36+ }
37+
38+ verifySupported () {
39+ local supported=(darwin-amd64 darwin-arm64 linux-amd64 linux-arm64 windows-amd64)
40+ local current_osarch=" ${OS} -${ARCH} "
41+
42+ for osarch in " ${supported[@]} " ; do
43+ if [ " $osarch " == " $current_osarch " ; then
44+ echo " Your system is ${OS} _${ARCH} "
45+ return
46+ fi
47+ done
48+
49+ echo " No prebuilt binary for ${current_osarch} "
50+ exit 1
51+ }
52+
53+ checkHttpRequestCLI () {
54+ if type " curl" > /dev/null; then
55+ HTTP_REQUEST_CLI=curl
56+ elif type " wget" > /dev/null; then
57+ HTTP_REQUEST_CLI=wget
58+ else
59+ echo " Either curl or wget is required"
60+ exit 1
61+ fi
62+ }
63+
64+ checkExisting () {
65+ if [ -f " $CLI_FILE " ; then
66+ echo -e " \nclusteradm CLI is detected:"
67+ echo -e " Reinstalling clusteradm CLI - ${CLI_FILE} ...\n"
68+ else
69+ echo -e " Installing clusteradm CLI...\n"
70+ fi
71+ }
72+
73+ runAsRoot () {
74+ local CMD=" $* "
75+
76+ if [ $EUID -ne 0 -a $USE_SUDO = " true" ; then
77+ CMD=" sudo $CMD "
78+ fi
79+
80+ $CMD
81+ }
82+
83+ downloadFile () {
84+ TARGET_VERSION=$1
85+ DOWNLOAD_BASE=" https://github.com/${GITHUB_ORG} /${GITHUB_REPO} "
86+ CLI_ARTIFACT=" ${CLI_FILENAME} _${OS} _${ARCH} .tar.gz"
87+
88+ if [ " $TARGET_VERSION " == " latest" ; then
89+ DOWNLOAD_URL=" ${DOWNLOAD_BASE} /releases/latest/download/${CLI_ARTIFACT} "
90+ else
91+ DOWNLOAD_URL=" ${DOWNLOAD_BASE} /releases/download/${TARGET_VERSION} /${CLI_ARTIFACT} "
92+ fi
93+
94+ # Create the temp directory
95+ TMP_ROOT=$( mktemp -dt clusteradm-install-XXXXXX)
96+ ARTIFACT_TMP_FILE=" $TMP_ROOT /$CLI_ARTIFACT "
97+
98+ echo " Downloading $DOWNLOAD_URL ..."
99+ if [ " $HTTP_REQUEST_CLI " == " curl" ; then
100+ curl -SsL " $DOWNLOAD_URL " " $ARTIFACT_TMP_FILE "
101+ else
102+ wget -q -O " $ARTIFACT_TMP_FILE " " $DOWNLOAD_URL "
103+ fi
104+
105+ if [ ! -f " $ARTIFACT_TMP_FILE " ; then
106+ echo " failed to download $DOWNLOAD_URL ..."
107+ exit 1
108+ fi
109+ }
110+
111+ isReleaseAvailable () {
112+ LATEST_RELEASE_TAG=$1
113+
114+ CLI_ARTIFACT=" ${CLI_FILENAME} _${OS} _${ARCH} .tar.gz"
115+ DOWNLOAD_BASE=" https://github.com/${GITHUB_ORG} /${GITHUB_REPO} /releases/download"
116+ DOWNLOAD_URL=" ${DOWNLOAD_BASE} /${LATEST_RELEASE_TAG} /${CLI_ARTIFACT} "
117+
118+ if [ " $HTTP_REQUEST_CLI " == " curl" ; then
119+ httpstatus=$( curl -sSLI -o /dev/null -w " %{http_code}" " $DOWNLOAD_URL " )
120+ if [ " $httpstatus " == " 200" ; then
121+ return 0
122+ fi
123+ else
124+ wget -q --spider " $DOWNLOAD_URL "
125+ exitstatus=$?
126+ if [ $exitstatus -eq 0 ]; then
127+ return 0
128+ fi
129+ fi
130+ return 1
131+ }
132+
133+ installFile () {
134+ tar xf " $ARTIFACT_TMP_FILE " " $TMP_ROOT "
135+ local tmp_root_cli=" $TMP_ROOT /$CLI_FILENAME "
136+
137+ if [ ! -f " $tmp_root_cli " ; then
138+ echo " Failed to unpack clusteradm CLI executable."
139+ exit 1
140+ fi
141+
142+ chmod o+x $tmp_root_cli
143+ runAsRoot cp " $tmp_root_cli " " $INSTALL_DIR "
144+
145+ if [ -f " $CLI_FILE " ; then
146+ echo " $CLI_FILENAME installed into $INSTALL_DIR successfully."
147+ else
148+ echo " Failed to install $CLI_FILENAME "
149+ exit 1
150+ fi
151+ }
152+
153+ fail_trap () {
154+ result=$?
155+ if [ " $result " != " 0" ; then
156+ echo " Failed to install clusteradm CLI"
157+ echo " For support, go to https://open-cluster-management.io/"
158+ fi
159+ cleanup
160+ exit $result
161+ }
162+
163+ cleanup () {
164+ if [[ -d " ${TMP_ROOT:- } " ; then
165+ rm -rf " $TMP_ROOT "
166+ fi
167+ }
168+
169+ installCompleted () {
170+ echo -e " \nTo get started with clusteradm, please visit https://open-cluster-management.io/getting-started/"
171+ }
172+
173+ # -----------------------------------------------------------------------------
174+ # main
175+ # -----------------------------------------------------------------------------
176+ trap " fail_trap"
177+
178+ getSystemInfo
179+ checkHttpRequestCLI
180+
181+ if [ -z " $1 " ; then
182+ TARGET_VERSION=" latest"
183+ else
184+ TARGET_VERSION=v$1
185+ fi
186+
187+ verifySupported
188+ checkExisting
189+
190+ echo " Installing $TARGET_VERSION OCM clusteradm CLI..."
191+
192+ downloadFile $TARGET_VERSION
193+ installFile
194+ cleanup
195+
196+ installCompleted
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