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Update _common.sh

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Rafi59 2018-05-01 17:57:05 +02:00 committed by GitHub
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@ -1,23 +1,13 @@
#!/bin/bash
# INFOS
# n (Node version management) utilise la variable PATH pour stocker le path de la version de node à utiliser.
# C'est ainsi qu'il change de version
# ynh_install_nodejs installe la version de nodejs demandée en argument, avec n
# ynh_use_nodejs active une version de nodejs dans le script courant
# 3 variables sont mises à disposition, et 2 sont stockées dans la config de l'app
# - nodejs_path: Le chemin absolu de cette version de node
# Utilisé pour des appels directs à node.
# - nodejs_version: Simplement le numéro de version de nodejs pour cette application
# - nodejs_use_version: Un alias pour charger une version de node dans le shell courant.
# Utilisé pour démarrer un service ou un script qui utilise node ou npm
# Dans ce cas, c'est $PATH qui contient le chemin de la version de node. Il doit être propagé sur les autres shell si nécessaire.
n_install_dir="/opt/node_n" n_install_dir="/opt/node_n"
node_version_path="/opt/node_n/n/versions/node" node_version_path="$n_install_dir/n/versions/node"
# N_PREFIX est le dossier de n, il doit être chargé dans les variables d'environnement pour n. # N_PREFIX is the directory of n, it needs to be loaded as a environment variable.
export N_PREFIX="$n_install_dir" export N_PREFIX="$n_install_dir"
# Install Node version management
#
# [internal]
#
# usage: ynh_install_n
ynh_install_n () { ynh_install_n () {
echo "Installation of N - Node.js version management" >&2 echo "Installation of N - Node.js version management" >&2
# Build an app.src for n # Build an app.src for n
@ -31,34 +21,52 @@ SOURCE_SUM=2ba3c9d4dd3c7e38885b37e02337906a1ee91febe6d5c9159d89a9050f2eea8f" > "
PREFIX=$N_PREFIX make install 2>&1) PREFIX=$N_PREFIX make install 2>&1)
} }
# Load the version of node for an app, and set variables.
#
# ynh_use_nodejs has to be used in any app scripts before using node for the first time.
#
# 2 variables are available:
# - $nodejs_path: The absolute path of node for the chosen version.
# - $nodejs_version: Just the version number of node for this app. Stored as 'nodejs_version' in settings.yml.
# And 2 alias stored in variables:
# - $nodejs_use_version: An old variable, not used anymore. Keep here to not break old apps
# NB: $PATH will contain the path to node, it has to be propagated to any other shell which needs to use it.
# That's means it has to be added to any systemd script.
#
# usage: ynh_use_nodejs
ynh_use_nodejs () { ynh_use_nodejs () {
nodejs_version=$(ynh_app_setting_get $app nodejs_version) nodejs_version=$(ynh_app_setting_get $app nodejs_version)
load_n_path="[[ :$PATH: == *\":$n_install_dir/bin:\"* ]] || PATH=\"$n_install_dir/bin:$PATH\"; N_PREFIX="$n_install_dir"" nodejs_use_version="echo \"Deprecated command, should be removed\""
nodejs_use_version="$n_install_dir/bin/n -q $nodejs_version"
# "Load" a version of node
eval $load_n_path; $nodejs_use_version
# Get the absolute path of this version of node # Get the absolute path of this version of node
nodejs_path="$(n bin $nodejs_version)" nodejs_path="$node_version_path/$nodejs_version/bin"
# Make an alias for node use # Load the path of this version of node in $PATH
ynh_node_exec="eval $load_n_path; n use $nodejs_version" [[ :$PATH: == *":$nodejs_path"* ]] || PATH="$nodejs_path:$PATH"
} }
# Install a specific version of nodejs
#
# n (Node version management) uses the PATH variable to store the path of the version of node it is going to use.
# That's how it changes the version
#
# ynh_install_nodejs will install the version of node provided as argument by using n.
#
# usage: ynh_install_nodejs [nodejs_version]
# | arg: nodejs_version - Version of node to install.
# If possible, prefer to use major version number (e.g. 8 instead of 8.10.0).
# The crontab will handle the update of minor versions when needed.
ynh_install_nodejs () { ynh_install_nodejs () {
# Use n, https://github.com/tj/n to manage the nodejs versions # Use n, https://github.com/tj/n to manage the nodejs versions
nodejs_version="$nodejs_version" nodejs_version="$1"
local n_install_script="https://git.io/n-install"
# Create $n_install_dir # Create $n_install_dir
mkdir -p "$n_install_dir" mkdir -p "$n_install_dir"
# Load n path in PATH # Load n path in PATH
CLEAR_PATH="$n_install_dir/bin:$PATH" CLEAR_PATH="$n_install_dir/bin:$PATH"
# Remove /usr/local/bin in PATH in case of node has already setup. # Remove /usr/local/bin in PATH in case of node prior installation
PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@') PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@')
# Move an existing node binary, to avoid to block n. # Move an existing node binary, to avoid to block n.
@ -66,7 +74,7 @@ ynh_install_nodejs () {
test -x /usr/bin/npm && mv /usr/bin/npm /usr/bin/npm_n test -x /usr/bin/npm && mv /usr/bin/npm /usr/bin/npm_n
# If n is not previously setup, install it # If n is not previously setup, install it
if ! test n --version > /dev/null 2>&1 if ! test $(n --version > /dev/null 2>&1)
then then
ynh_install_n ynh_install_n
fi fi
@ -88,7 +96,7 @@ ynh_install_nodejs () {
real_nodejs_version=$(find $node_version_path/$nodejs_version* -maxdepth 0 | sort --version-sort | tail --lines=1) real_nodejs_version=$(find $node_version_path/$nodejs_version* -maxdepth 0 | sort --version-sort | tail --lines=1)
real_nodejs_version=$(basename $real_nodejs_version) real_nodejs_version=$(basename $real_nodejs_version)
# Create a symbolic link for this major version. If the file doesn't already exist # Create a symbolic link for this major version if the file doesn't already exist
if [ ! -e "$node_version_path/$nodejs_version" ] if [ ! -e "$node_version_path/$nodejs_version" ]
then then
ln --symbolic --force --no-target-directory $node_version_path/$real_nodejs_version $node_version_path/$nodejs_version ln --symbolic --force --no-target-directory $node_version_path/$real_nodejs_version $node_version_path/$nodejs_version
@ -106,49 +114,70 @@ ynh_install_nodejs () {
ynh_use_nodejs ynh_use_nodejs
} }
# Remove the version of node used by the app.
#
# This helper will check if another app uses the same version of node,
# if not, this version of node will be removed.
# If no other app uses node, n will be also removed.
#
# usage: ynh_remove_nodejs
ynh_remove_nodejs () { ynh_remove_nodejs () {
ynh_use_nodejs nodejs_version=$(ynh_app_setting_get $app nodejs_version)
# Remove the line for this app # Remove the line for this app
sed --in-place "/$YNH_APP_ID:$nodejs_version/d" "$n_install_dir/ynh_app_version" sed --in-place "/$YNH_APP_ID:$nodejs_version/d" "$n_install_dir/ynh_app_version"
# If none another app uses this version of nodejs, remove it. # If no other app uses this version of nodejs, remove it.
if ! grep --quiet "$nodejs_version" "$n_install_dir/ynh_app_version" if ! grep --quiet "$nodejs_version" "$n_install_dir/ynh_app_version"
then then
n rm $nodejs_version $n_install_dir/bin/n rm $nodejs_version
fi fi
# If none another app uses n, remove n # If no other app uses n, remove n
if [ ! -s "$n_install_dir/ynh_app_version" ] if [ ! -s "$n_install_dir/ynh_app_version" ]
then then
ynh_secure_remove "$n_install_dir" ynh_secure_remove "$n_install_dir"
ynh_secure_remove "/usr/local/n" ynh_secure_remove "/usr/local/n"
sed --in-place "/N_PREFIX/d" /root/.bashrc
fi fi
} }
# Set a cron design to update your node versions
#
# [internal]
#
# This cron will check and update all minor node versions used by your apps.
#
# usage: ynh_cron_upgrade_node
ynh_cron_upgrade_node () { ynh_cron_upgrade_node () {
# Build the update script # Build the update script
cat > "$n_install_dir/node_update.sh" << EOF cat > "$n_install_dir/node_update.sh" << EOF
#!/bin/bash #!/bin/bash
version_path="$node_version_path" version_path="$node_version_path"
n_install_dir="$n_install_dir" n_install_dir="$n_install_dir"
# Log the date # Log the date
date date
# List all real installed version of node # List all real installed version of node
all_real_version="\$(find \$version_path/* -maxdepth 0 -type d | sed "s@\$version_path/@@g")" all_real_version="\$(find \$version_path/* -maxdepth 0 -type d | sed "s@\$version_path/@@g")"
# Keep only the major version number of each line # Keep only the major version number of each line
all_real_version=\$(echo "\$all_real_version" | sed 's/\..*\$//') all_real_version=\$(echo "\$all_real_version" | sed 's/\..*\$//')
# Remove double entries # Remove double entries
all_real_version=\$(echo "\$all_real_version" | sort --unique) all_real_version=\$(echo "\$all_real_version" | sort --unique)
# Read each major version # Read each major version
while read version while read version
do do
echo "Update of the version \$version" echo "Update of the version \$version"
sudo \$n_install_dir/bin/n \$version sudo \$n_install_dir/bin/n \$version
# Find the last "real" version for this major version of node. # Find the last "real" version for this major version of node.
real_nodejs_version=\$(find \$version_path/\$version* -maxdepth 0 | sort --version-sort | tail --lines=1) real_nodejs_version=\$(find \$version_path/\$version* -maxdepth 0 | sort --version-sort | tail --lines=1)
real_nodejs_version=\$(basename \$real_nodejs_version) real_nodejs_version=\$(basename \$real_nodejs_version)
# Update the symbolic link for this version # Update the symbolic link for this version
sudo ln --symbolic --force --no-target-directory \$version_path/\$real_nodejs_version \$version_path/\$version sudo ln --symbolic --force --no-target-directory \$version_path/\$real_nodejs_version \$version_path/\$version
done <<< "\$(echo "\$all_real_version")" done <<< "\$(echo "\$all_real_version")"
@ -159,6 +188,7 @@ EOF
# Build the cronjob # Build the cronjob
cat > "/etc/cron.daily/node_update" << EOF cat > "/etc/cron.daily/node_update" << EOF
#!/bin/bash #!/bin/bash
$n_install_dir/node_update.sh >> $n_install_dir/node_update.log $n_install_dir/node_update.sh >> $n_install_dir/node_update.log
EOF EOF