diff --git a/scripts/install b/scripts/install index 33a8b82..98a61e7 100755 --- a/scripts/install +++ b/scripts/install @@ -7,6 +7,7 @@ #================================================= source _common.sh +source ynh_install_go source /usr/share/yunohost/helpers #================================================= diff --git a/scripts/upgrade b/scripts/upgrade index 6856184..3ed04e8 100644 --- a/scripts/upgrade +++ b/scripts/upgrade @@ -7,6 +7,7 @@ #================================================= source _common.sh +source ynh_install_go source /usr/share/yunohost/helpers #================================================= diff --git a/scripts/ynh_install_go b/scripts/ynh_install_go new file mode 100644 index 0000000..c0dfe12 --- /dev/null +++ b/scripts/ynh_install_go @@ -0,0 +1,247 @@ +#!/bin/bash + +ynh_go_try_bash_extension() { + if [ -x src/configure ]; then + src/configure && make -C src || { + ynh_print_info --message="Optional bash extension failed to build, but things will still work normally." + } + fi +} + +goenv_install_dir="/opt/goenv" +go_version_path="$goenv_install_dir/versions" +# goenv_ROOT is the directory of goenv, it needs to be loaded as a environment variable. +export GOENV_ROOT="$goenv_install_dir" + +# Load the version of Go for an app, and set variables. +# +# ynh_use_go has to be used in any app scripts before using Go for the first time. +# This helper will provide alias and variables to use in your scripts. +# +# To use gem or Go, use the alias `ynh_gem` and `ynh_go` +# Those alias will use the correct version installed for the app +# For example: use `ynh_gem install` instead of `gem install` +# +# With `sudo` or `ynh_exec_as`, use instead the fallback variables `$ynh_gem` and `$ynh_go` +# And propagate $PATH to sudo with $ynh_go_load_path +# Exemple: `ynh_exec_as $app $ynh_go_load_path $ynh_gem install` +# +# $PATH contains the path of the requested version of Go. +# However, $PATH is duplicated into $go_path to outlast any manipulation of $PATH +# You can use the variable `$ynh_go_load_path` to quickly load your Go version +# in $PATH for an usage into a separate script. +# Exemple: $ynh_go_load_path $install_dir/script_that_use_gem.sh` +# +# +# Finally, to start a Go service with the correct version, 2 solutions +# Either the app is dependent of Go or gem, but does not called it directly. +# In such situation, you need to load PATH +# `Environment="__YNH_GO_LOAD_PATH__"` +# `ExecStart=__INSTALL_DIR__/my_app` +# You will replace __YNH_GO_LOAD_PATH__ with $ynh_go_load_path +# +# Or Go start the app directly, then you don't need to load the PATH variable +# `ExecStart=__YNH_GO__ my_app run` +# You will replace __YNH_GO__ with $ynh_go +# +# +# one other variable is also available +# - $go_path: The absolute path to Go binaries for the chosen version. +# +# usage: ynh_use_go +# +# Requires YunoHost version 3.2.2 or higher. +ynh_use_go () { + go_version=$(ynh_app_setting_get --app=$app --key=go_version) + + # Get the absolute path of this version of Go + go_path="$go_version_path/$go_version/bin" + + # Allow alias to be used into bash script + shopt -s expand_aliases + + # Create an alias for the specific version of Go and a variable as fallback + ynh_go="$go_path/go" + alias ynh_go="$ynh_go" + + # Load the path of this version of Go in $PATH + if [[ :$PATH: != *":$go_path"* ]]; then + PATH="$go_path:$PATH" + fi + # Create an alias to easily load the PATH + ynh_go_load_path="PATH=$PATH" + + # Sets the local application-specific Go version + pushd $install_dir + $goenv_install_dir/bin/goenv local $go_version + popd +} + +# Install a specific version of Go +# +# ynh_install_go will install the version of Go provided as argument by using goenv. +# +# This helper creates a /etc/profile.d/goenv.sh that configures PATH environment for goenv +# for every LOGIN user, hence your user must have a defined shell (as opposed to /usr/sbin/nologin) +# +# Don't forget to execute go-dependent command in a login environment +# (e.g. sudo --login option) +# When not possible (e.g. in systemd service definition), please use direct path +# to goenv shims (e.g. $goenv_ROOT/shims/bundle) +# +# usage: ynh_install_go --go_version=go_version +# | arg: -v, --go_version= - Version of go to install. +# +# Requires YunoHost version 3.2.2 or higher. +ynh_install_go () { + # Declare an array to define the options of this helper. + local legacy_args=v + local -A args_array=( [v]=go_version= ) + local go_version + # Manage arguments with getopts + ynh_handle_getopts_args "$@" + + # Load goenv path in PATH + local CLEAR_PATH="$goenv_install_dir/bin:$PATH" + + # Remove /usr/local/bin in PATH in case of Go prior installation + PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@') + + # Move an existing Go binary, to avoid to block goenv + test -x /usr/bin/go && mv /usr/bin/go /usr/bin/go_goenv + + # Install or update goenv + goenv="$(command -v goenv $goenv_install_dir/bin/goenv | head -1)" + if [ -n "$goenv" ]; then + ynh_print_info --message="goenv already seems installed in \`$goenv'." + pushd "${goenv%/*/*}" + if git remote -v 2>/dev/null | grep "https://github.com/syndbg/goenv.git"; then + echo "Trying to update with git..." + git pull -q --tags origin master + cd .. + ynh_go_try_bash_extension + fi + popd + else + #ynh_print_info --message="Installing goenv with Git..." + mkdir -p $goenv_install_dir + pushd $goenv_install_dir + git init -q + git remote add -f -t master origin https://github.com/syndbg/goenv.git > /dev/null 2>&1 + git checkout -q -b master origin/master + ynh_go_try_bash_extension + goenv=$goenv_install_dir/bin/goenv + popd + fi + + goenv_latest="$(command -v "$goenv_install_dir"/plugins/*/bin/goenv-latest goenv-latest | head -1)" + if [ -n "$goenv_latest" ]; then + ynh_print_info --message="\`goenv latest' command already available in \`$goenv_latest'." + pushd "${goenv_latest%/*/*}" + if git remote -v 2>/dev/null | grep "https://github.com/momo-lab/xxenv-latest.git"; then + ynh_print_info --message="Trying to update xxenv-latest with Git..." + git pull -q origin master + fi + popd + else + #ynh_print_info --message="Installing xxenv-latest with Git..." + mkdir -p "${goenv_install_dir}/plugins" + git clone -q https://github.com/momo-lab/xxenv-latest.git "${goenv_install_dir}/plugins/xxenv-latest" + fi + + # Enable caching + mkdir -p "${goenv_install_dir}/cache" + + # Create shims directory if needed + mkdir -p "${goenv_install_dir}/shims" + + # Restore /usr/local/bin in PATH + PATH=$CLEAR_PATH + + # And replace the old Go binary + test -x /usr/bin/go_goenv && mv /usr/bin/go_goenv /usr/bin/go + + # Install the requested version of Go + local final_go_version=$(goenv latest --print $go_version) + #ynh_print_info --message="Installation of Go-$final_go_version" + goenv install --skip-existing $final_go_version + + # Store go_version into the config of this app + ynh_app_setting_set --app=$YNH_APP_INSTANCE_NAME --key=go_version --value=$final_go_version + + # Cleanup Go versions + ynh_cleanup_go + + # Set environment for Go users + echo "#goenv +export GOENV_ROOT=$goenv_install_dir +export PATH=\"$goenv_install_dir/bin:$PATH\" +eval \"\$(goenv init -)\" +#goenv" > /etc/profile.d/goenv.sh + + # Load the environment + eval "$(goenv init -)" +} + +# Remove the version of Go used by the app. +# +# This helper will also cleanup Go versions +# +# usage: ynh_remove_go +ynh_remove_go () { + local go_version=$(ynh_app_setting_get --app=$YNH_APP_INSTANCE_NAME --key=go_version) + + # Load goenv path in PATH + local CLEAR_PATH="$goenv_install_dir/bin:$PATH" + + # Remove /usr/local/bin in PATH in case of Go prior installation + PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@') + + # Remove the line for this app + ynh_app_setting_delete --app=$YNH_APP_INSTANCE_NAME --key=go_version + + # Cleanup Go versions + ynh_cleanup_go +} + +# Remove no more needed versions of Go used by the app. +# +# This helper will check what Go version are no more required, +# and uninstall them +# If no app uses Go, goenv will be also removed. +# +# usage: ynh_cleanup_go +ynh_cleanup_go () { + + # List required Go versions + local installed_apps=$(yunohost app list --output-as json --quiet | jq -r .apps[].id) + local required_go_versions="" + for installed_app in $installed_apps + do + local installed_app_go_version=$(ynh_app_setting_get --app=$installed_app --key="go_version") + if [[ $installed_app_go_version ]] + then + required_go_versions="${installed_app_go_version}\n${required_go_versions}" + fi + done + + # Remove no more needed Go versions + local installed_go_versions=$(goenv versions --bare --skip-aliases | grep -Ev '/') + for installed_go_version in $installed_go_versions + do + if ! `echo ${required_go_versions} | grep "${installed_go_version}" 1>/dev/null 2>&1` + then + #ynh_print_info --message="Removing of Go-$installed_go_version" + $goenv_install_dir/bin/goenv uninstall --force $installed_go_version + fi + done + + # If none Go version is required + if [[ ! $required_go_versions ]] + then + # Remove goenv environment configuration + #ynh_print_info --message="Removing of goenv" + ynh_secure_remove --file="$goenv_install_dir" + ynh_secure_remove --file="/etc/profile.d/goenv.sh" + fi +}