mirror of
https://github.com/YunoHost-Apps/cryptpad_ynh.git
synced 2024-09-03 18:26:14 +02:00
198 lines
6.4 KiB
Bash
198 lines
6.4 KiB
Bash
#!/bin/bash
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#=================================================
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# COMMON VARIABLES
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#=================================================
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nodejs_version=9
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#=================================================
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# EXPERIMENTAL HELPERS
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#=================================================
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# INFOS
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# n (Node version management) utilise la variable PATH pour stocker le path de la version de node à utiliser.
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# C'est ainsi qu'il change de version
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# ynh_install_nodejs installe la version de nodejs demandée en argument, avec n
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# ynh_use_nodejs active une version de nodejs dans le script courant
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# 3 variables sont mises à disposition, et 2 sont stockées dans la config de l'app
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# - nodejs_path: Le chemin absolu de cette version de node
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# Utilisé pour des appels directs à node.
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# - nodejs_version: Simplement le numéro de version de nodejs pour cette application
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# - nodejs_use_version: Un alias pour charger une version de node dans le shell courant.
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# Utilisé pour démarrer un service ou un script qui utilise node ou npm
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# Dans ce cas, c'est $PATH qui contient le chemin de la version de node. Il doit être propagé sur les autres shell si nécessaire.
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n_install_dir="/opt/node_n"
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node_version_path="/opt/node_n/n/versions/node"
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# N_PREFIX est le dossier de n, il doit être chargé dans les variables d'environnement pour n.
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export N_PREFIX="$n_install_dir"
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ynh_install_n () {
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echo "Installation of N - Node.js version management" >&2
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# Build an app.src for n
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mkdir -p "../conf"
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echo "SOURCE_URL=https://github.com/tj/n/archive/v2.1.7.tar.gz
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SOURCE_SUM=2ba3c9d4dd3c7e38885b37e02337906a1ee91febe6d5c9159d89a9050f2eea8f" > "../conf/n.src"
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# Download and extract n
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ynh_setup_source "$n_install_dir/git" n
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# Install n
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(cd "$n_install_dir/git"
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PREFIX=$N_PREFIX make install 2>&1)
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}
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ynh_use_nodejs () {
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nodejs_version=$(ynh_app_setting_get $app nodejs_version)
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load_n_path="[[ :$PATH: == *\":$n_install_dir/bin:\"* ]] || PATH=\"$n_install_dir/bin:$PATH\"; N_PREFIX="$n_install_dir""
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nodejs_use_version="$n_install_dir/bin/n -q $nodejs_version"
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# "Load" a version of node
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eval $load_n_path; $nodejs_use_version
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# Get the absolute path of this version of node
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nodejs_path="$(n bin $nodejs_version)"
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# Make an alias for node use
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ynh_node_exec="eval $load_n_path; n use $nodejs_version"
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}
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ynh_install_nodejs () {
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# Use n, https://github.com/tj/n to manage the nodejs versions
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nodejs_version="$1"
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local n_install_script="https://git.io/n-install"
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# Create $n_install_dir
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mkdir -p "$n_install_dir"
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# Load n path in PATH
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CLEAR_PATH="$n_install_dir/bin:$PATH"
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# Remove /usr/local/bin in PATH in case of node has already setup.
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PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@')
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# Move an existing node binary, to avoid to block n.
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test -x /usr/bin/node && mv /usr/bin/node /usr/bin/node_n
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test -x /usr/bin/npm && mv /usr/bin/npm /usr/bin/npm_n
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# If n is not previously setup, install it
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if ! test n --version > /dev/null 2>&1
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then
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ynh_install_n
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fi
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# Modify the default N_PREFIX in n script
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ynh_replace_string "^N_PREFIX=\${N_PREFIX-.*}$" "N_PREFIX=\${N_PREFIX-$N_PREFIX}" "$n_install_dir/bin/n"
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# Restore /usr/local/bin in PATH
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PATH=$CLEAR_PATH
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# And replace the old node binary.
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test -x /usr/bin/node_n && mv /usr/bin/node_n /usr/bin/node
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test -x /usr/bin/npm_n && mv /usr/bin/npm_n /usr/bin/npm
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# Install the requested version of nodejs
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n $nodejs_version
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# Find the last "real" version for this major version of node.
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real_nodejs_version=$(find $node_version_path/$nodejs_version* -maxdepth 0 | sort --version-sort | tail --lines=1)
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real_nodejs_version=$(basename $real_nodejs_version)
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# Create a symbolic link for this major version. If the file doesn't already exist
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if [ ! -e "$node_version_path/$nodejs_version" ]
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then
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ln --symbolic --force --no-target-directory $node_version_path/$real_nodejs_version $node_version_path/$nodejs_version
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fi
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# Store the ID of this app and the version of node requested for it
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echo "$YNH_APP_ID:$nodejs_version" | tee --append "$n_install_dir/ynh_app_version"
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# Store nodejs_version into the config of this app
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ynh_app_setting_set $app nodejs_version $nodejs_version
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# Build the update script and set the cronjob
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ynh_cron_upgrade_node
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ynh_use_nodejs
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}
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ynh_remove_nodejs () {
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ynh_use_nodejs
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# Remove the line for this app
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sed --in-place "/$YNH_APP_ID:$nodejs_version/d" "$n_install_dir/ynh_app_version"
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# If none another app uses this version of nodejs, remove it.
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if ! grep --quiet "$nodejs_version" "$n_install_dir/ynh_app_version"
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then
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n rm $nodejs_version
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fi
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# If none another app uses n, remove n
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if [ ! -s "$n_install_dir/ynh_app_version" ]
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then
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ynh_secure_remove "$n_install_dir"
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ynh_secure_remove "/usr/local/n"
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sed --in-place "/N_PREFIX/d" /root/.bashrc
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fi
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}
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ynh_cron_upgrade_node () {
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# Build the update script
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cat > "$n_install_dir/node_update.sh" << EOF
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#!/bin/bash
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version_path="$node_version_path"
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n_install_dir="$n_install_dir"
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# Log the date
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date
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# List all real installed version of node
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all_real_version="\$(find \$version_path/* -maxdepth 0 -type d | sed "s@\$version_path/@@g")"
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# Keep only the major version number of each line
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all_real_version=\$(echo "\$all_real_version" | sed 's/\..*\$//')
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# Remove double entries
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all_real_version=\$(echo "\$all_real_version" | sort --unique)
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# Read each major version
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while read version
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do
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echo "Update of the version \$version"
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sudo \$n_install_dir/bin/n \$version
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# Find the last "real" version for this major version of node.
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real_nodejs_version=\$(find \$version_path/\$version* -maxdepth 0 | sort --version-sort | tail --lines=1)
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real_nodejs_version=\$(basename \$real_nodejs_version)
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# Update the symbolic link for this version
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sudo ln --symbolic --force --no-target-directory \$version_path/\$real_nodejs_version \$version_path/\$version
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done <<< "\$(echo "\$all_real_version")"
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EOF
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chmod +x "$n_install_dir/node_update.sh"
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# Build the cronjob
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cat > "/etc/cron.daily/node_update" << EOF
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#!/bin/bash
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$n_install_dir/node_update.sh >> $n_install_dir/node_update.log
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EOF
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chmod +x "/etc/cron.daily/node_update"
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}
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# EXEC_LOGIN_AS Helper
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# Execute a command as another user with login
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# (hence in user home dir, with prior loading of .profile, etc.)
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# usage: exec_login_as USER COMMAND [ARG ...]
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exec_login_as() {
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local user=$1
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shift 1
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exec_as $user --login "$@"
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}
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# Execute a command as another user
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# usage: exec_as USER COMMAND [ARG ...]
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exec_as() {
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local user=$1
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shift 1
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if [[ $user = $(whoami) ]]; then
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eval "$@"
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else
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sudo -u "$user" "$@"
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fi
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}
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