Files
GoogleDriveManagement/src/gam-install.sh

311 lines
9.2 KiB
Bash
Executable File

#!/usr/bin/env bash
usage()
{
cat << EOF
GAM installation script.
OPTIONS:
-h show help.
-d Directory where gam folder will be installed. Default is \$HOME/bin/
-a Architecture to install (i386, x86_64, arm). Default is to detect your arch with "uname -m".
-o OS we are running (linux, macos). Default is to detect your OS with "uname -s".
-l Just upgrade GAM to latest version. Skips project creation and auth.
-p Profile update (true, false). Should script add gam command to environment. Default is true.
-u Admin user email address to use with GAM. Default is to prompt.
-r Regular user email address. Used to test service account access to user data. Default is to prompt.
-v Version to install (latest, prerelease, draft, 3.8, etc). Default is latest.
EOF
}
target_dir="$HOME/bin"
gamarch=$(uname -m)
gamos=$(uname -s)
update_profile=true
upgrade_only=false
gamversion="latest"
adminuser=""
regularuser=""
while getopts "hd:a:o:lp:u:r:v:" OPTION
do
case $OPTION in
h) usage; exit;;
d) target_dir="$OPTARG";;
a) gamarch="$OPTARG";;
o) gamos="$OPTARG";;
l) upgrade_only=true;;
p) update_profile="$OPTARG";;
u) adminuser="$OPTARG";;
r) regularuser="$OPTARG";;
v) gamversion="$OPTARG";;
?) usage; exit;;
esac
done
update_profile() {
[ -f "$1" ] || return 1
grep -F "$alias_line" "$1" > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo_yellow "Adding gam alias to profile file $1."
echo -e "\n$alias_line" >> "$1"
else
echo_yellow "gam alias already exists in profile file $1. Skipping add."
fi
}
echo_red()
{
echo -e "\x1B[1;31m$1"
echo -e '\x1B[0m'
}
echo_green()
{
echo -e "\x1B[1;32m$1"
echo -e '\x1B[0m'
}
echo_yellow()
{
echo -e "\x1B[1;33m$1"
echo -e '\x1B[0m'
}
case $gamos in
[lL]inux)
gamos="linux"
case $gamarch in
x86_64) gamfile="linux-x86_64.tar.xz";;
i?86) gamfile="linux-i686.tar.xz";;
arm*) gamfile="linux-armv7l.tar.xz";;
*)
echo_red "ERROR: this installer currently only supports i386, x86_64 and arm Linux. Looks like you're running on $gamarch. Exiting."
exit
esac
;;
[Mm]ac[Oo][sS]|[Dd]arwin)
osver=$(sw_vers -productVersion | awk -F'.' '{print $2}')
if (( $osver < 10 )); then
echo_red "ERROR: GAM currently requires MacOS 10.10 or newer. You are running MacOS 10.$osver. Please upgrade."
exit
else
echo_green "Good, you're running MacOS 10.$osver..."
fi
gamos="macos"
gamfile="macos.tar.xz"
;;
*)
echo_red "Sorry, this installer currently only supports Linux and MacOS. Looks like you're runnning on $gamos. Exiting."
exit
;;
esac
if [ "$gamversion" == "latest" -o "$gamversion" == "prerelease" -o "$gamversion" == "draft" ]; then
release_url="https://api.github.com/repos/jay0lee/GAM/releases"
else
release_url="https://api.github.com/repos/jay0lee/GAM/releases/tags/v$gamversion"
fi
echo_yellow "Checking GitHub URL $release_url for $gamversion GAM release..."
release_json=$(curl -s $release_url 2>&1 /dev/null)
echo_yellow "Getting file and download URL..."
# Python is sadly the nearest to universal way to safely handle JSON with Bash
# At least this code should be compatible with just about any Python version ever
# unlike GAM itself. If some users don't have Python we can try grep / sed / etc
# but that gets really ugly
pycode="import json
import sys
attrib = sys.argv[1]
gamversion = sys.argv[2]
release = json.load(sys.stdin)
if type(release) is list:
for a_release in release:
if a_release['prerelease'] and gamversion != 'prerelease':
continue
elif a_release['draft'] and gamversion != 'draft':
continue
release = a_release
break
for asset in release['assets']:
if asset[sys.argv[1]].endswith('$gamfile'):
print(asset[sys.argv[1]])
break"
pycmd="python"
$pycmd -V >/dev/null 2>&1
rc=$?
if (( $rc != 0 )); then
pycmd="python3"
fi
$pycmd -V >/dev/null 2>&1
rc=$?
if (( $rc != 0 )); then
echo_red "ERROR: No version of python installed."
exit
fi
browser_download_url=$(echo "$release_json" | $pycmd -c "$pycode" browser_download_url $gamversion)
name=$(echo "$release_json" | $pycmd -c "$pycode" name $gamversion)
# Temp dir for archive
#temp_archive_dir=$(mktemp -d)
temp_archive_dir=$(mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir')
echo_yellow "Downloading file $name from $browser_download_url to $temp_archive_dir."
# Save archive to temp w/o losing our path
(cd $temp_archive_dir && curl -O -L $browser_download_url)
mkdir -p "$target_dir"
echo_yellow "Extracting archive to $target_dir"
tar xf $temp_archive_dir/$name -C "$target_dir"
rc=$?
if (( $rc != 0 )); then
echo_red "ERROR: extracting the GAM archive with tar failed with error $rc. Exiting."
exit
else
echo_green "Finished extracting GAM archive."
fi
if [ "$upgrade_only" = true ]; then
echo_green "Here's information about your GAM upgrade:"
"$target_dir/gam/gam" version
rc=$?
if (( $rc != 0 )); then
echo_red "ERROR: Failed running GAM for the first time with $rc. Please report this error to GAM mailing list. Exiting."
exit
fi
echo_green "GAM upgrade complete!"
exit
fi
# Update profile to add gam command
if [ "$update_profile" = true ]; then
alias_line="alias gam=\"$target_dir/gam/gam\""
if [ "$gamos" == "linux" ]; then
update_profile "$HOME/.bashrc" || update_profile "$HOME/.bash_profile"
elif [ "$gamos" == "macos" ]; then
update_profile "$HOME/.profile" || update_profile "$HOME/.bash_profile"
fi
else
echo_yellow "skipping profile update."
fi
while true; do
read -p "Can you run a full browser on this machine? (usually Y for MacOS, N for Linux if you SSH into this machine) " yn
case $yn in
[Yy]*)
break
;;
[Nn]*)
touch "$target_dir/gam/nobrowser.txt" > /dev/null 2>&1
break
;;
*)
echo_red "Please answer yes or no."
;;
esac
done
echo
project_created=false
while true; do
read -p "GAM is now installed. Are you ready to set up a Google API project for GAM? (yes or no) " yn
case $yn in
[Yy]*)
if [ "$adminuser" == "" ]; then
read -p "Please enter your G Suite admin email address: " adminuser
fi
"$target_dir/gam/gam" create project $adminuser
rc=$?
if (( $rc == 0 )); then
echo_green "Project creation complete."
project_created=true
break
else
echo_red "Project creation failed. Trying again. Say N to skip project creation."
fi
;;
[Nn]*)
echo -e "\nYou can create an API project later by running:\n\ngam create project\n"
break
;;
*)
echo_red "Please answer yes or no."
;;
esac
done
admin_authorized=false
while $project_created; do
read -p "Are you ready to authorize GAM to perform G Suite management operations as your admin account? (yes or no) " yn
case $yn in
[Yy]*)
"$target_dir/gam/gam" oauth create $adminuser
rc=$?
if (( $rc == 0 )); then
echo_green "Admin authorization complete."
admin_authorized=true
break
else
echo_red "Admin authorization failed. Trying again. Say N to skip admin authorization."
fi
;;
[Nn]*)
echo -e "\nYou can authorize an admin later by running:\n\ngam oauth create\n"
break
;;
*)
echo_red "Please answer yes or no."
;;
esac
done
service_account_authorized=false
while $project_created; do
read -p "Are you ready to authorize GAM to manage G Suite user data and settings? (yes or no) " yn
case $yn in
[Yy]*)
if [ "$regularuser" == "" ]; then
read -p "Please enter the email address of a regular G Suite user: " regularuser
fi
echo_yellow "Great! Checking service account scopes.This will fail the first time. Follow the steps to authorize and retry. It can take a few minutes for scopes to PASS after they've been authorized in the admin console."
"$target_dir/gam/gam" user $adminuser check serviceaccount
rc=$?
if (( $rc == 0 )); then
echo_green "Service account authorization complete."
service_account_authorized=true
break
else
echo_red "Service account authorization failed. Confirm you entered the scopes correctly in the admin console. It can take a few minutes for scopes to PASS after they are entered in the admin console so if you're sure you entered them correctly, go grab a coffee and then hit Y to try again. Say N to skip admin authorization."
fi
;;
[Nn]*)
echo -e "\nYou can authorize a service account later by running:\n\ngam check serviceaccount\n"
break
;;
*)
echo_red "Please answer yes or no."
;;
esac
done
echo_green "Here's information about your new GAM installation:"
"$target_dir/gam/gam" version
rc=$?
if (( $rc != 0 )); then
echo_red "ERROR: Failed running GAM for the first time with $rc. Please report this error to GAM mailing list. Exiting."
exit
fi
echo_green "GAM installation and setup complete!"
if [ "$update_profile" = true ]; then
echo_green "Please restart your terminal shell or to get started right away run:\n\n$alias_line"
fi
# Clean up after ourselves even if we are killed with CTRL-C
trap "rm -rf $temp_archive_dir" EXIT