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271 lines
6.8 KiB
271 lines
6.8 KiB
#!/bin/bash
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# Copyright 1999-2015 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# Author: Ralph Sennhauser <sera@gentoo.org>
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die() {
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echo "${@}"
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exit 1
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}
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dir_is_empty() {
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# usage:
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# dir_is_empty <some-dir>
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#
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# returns 2 if the dir does not even exist
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# returns 1 if the dir is not empty
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# returns 0 (success) if the dir exists and is empty
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local dir=$1
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local files
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if [[ ! -e ${dir} ]] ; then
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return 2
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fi
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shopt -s nullglob dotglob # To include hidden files
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files=( "${dir}"/* )
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shopt -u nullglob dotglob
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if [[ ${#files[@]} -eq 0 ]]; then
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return 0
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else
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return 1
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fi
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}
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usage() {
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cat <<EOL
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Usage: ${BASH_SOURCE} <--create|--remove|--help> [--suffix s][--user u][--group g]
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Options:
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--help:
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show this text.
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--create:
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create a new instance
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--remove:
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remove an existing instance.
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--suffix SUFFIX:
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a suffix for this instance. the suffix may not collide with an already
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existing instance, defaults to empty.
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--user USER:
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the user for which to configure this instance for. The user needs to
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exist already. defaults to tomcat.
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--group GROUP:
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the group for which to configure this instance for. The group needs to
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exist already. defaults to tomcat.
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Examples:
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${BASH_SOURCE} --create --suffix testing --user tacmot --group tacmot
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${BASH_SOURCE} --remove --suffix testing
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EOL
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}
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parse_argv() {
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action="not specified"
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instance_name="tomcat-@SLOT@"
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instance_user="tomcat"
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instance_group="tomcat"
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while [[ -n $1 ]]; do
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case $1 in
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--help)
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usage
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exit 0;;
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--suffix)
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instance_name+="-$2"
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shift; shift;;
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--user)
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instance_user="$2"
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shift; shift;;
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--group)
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instance_group="$2"
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shift; shift;;
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--create)
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action=create
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shift;;
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--remove)
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action=remove
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shift;;
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--backup)
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action=backup
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shift;;
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--restore)
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action=restore
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shift;;
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--update)
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action=update
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shift;;
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*)
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echo "Invalid option '$1'"
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usage
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exit 2;;
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esac
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done
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tomcat_home="/@GENTOO_PORTAGE_EPREFIX@usr/share/tomcat-@SLOT@"
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instance_base="/@GENTOO_PORTAGE_EPREFIX@var/lib/${instance_name}"
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instance_conf="/@GENTOO_PORTAGE_EPREFIX@etc/${instance_name}"
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instance_logs="/@GENTOO_PORTAGE_EPREFIX@var/log/${instance_name}"
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instance_temp="/@GENTOO_PORTAGE_EPREFIX@var/tmp/${instance_name}"
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all_targets=(
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"${instance_base}"
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"${instance_logs}"
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"${instance_temp}"
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"/@GENTOO_PORTAGE_EPREFIX@etc/${instance_name}"
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"/@GENTOO_PORTAGE_EPREFIX@etc/init.d/${instance_name}"
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"/@GENTOO_PORTAGE_EPREFIX@etc/conf.d/${instance_name}"
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)
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}
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test_can_deploy() {
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local no_deploy target
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for target in "${all_targets[@]}"; do
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if [[ -e "${target}" ]]; then
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if ! dir_is_empty "${target}" ; then
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echo "Error: '${target}' already exists and is not empty."
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no_deploy=yes
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fi
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fi
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done
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if [[ -n "${no_deploy}" ]]; then
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cat <<-EOL
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To protect an existing installation no new instance was deployed. You can use
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'${BASH_SOURCE} --remove'
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to remove an existing instance first or run
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'${BASH_SOURCE} --create --sufix <instance_suffix>'
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to deploy an instance under a different name
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EOL
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usage
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exit 1
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fi
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if ! getent passwd | cut -d: -f1 | grep -Fx "${instance_user}" > /dev/null; then
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echo "Error: user '${instance_user}' doesn't exist."
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exit 1
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fi
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if ! getent group | cut -d: -f1 | grep -Fx "${instance_group}" > /dev/null; then
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echo "Error: group '${instance_group}' doesn't exist."
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exit 1
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fi
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}
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deploy_instance() {
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test_can_deploy
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mkdir -p "${instance_base}"/{work,webapps} || die
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mkdir -p "${instance_logs}" || die
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mkdir -p "${instance_temp}" || die
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mkdir -p "${instance_conf}" || die
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cp -r "${tomcat_home}"/webapps/ROOT "${instance_base}"/webapps || die
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chown -R "${instance_user}":"${instance_group}" \
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"${instance_base}" "${instance_logs}" "${instance_temp}" || die
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find "${instance_base}"/webapps -type d -exec chmod 750 {} + || die
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find "${instance_base}"/webapps -type f -exec chmod 640 {} + || die
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# initial config #
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cp -r "${tomcat_home}"/conf/* "${instance_conf}"/ || die
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sed -i -e "s|\${catalina.base}/logs|${instance_logs}|" \
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"${instance_conf}"/logging.properties || die
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sed -i -e "s|directory=\"logs\"|directory=\"${instance_logs}\"|" \
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"${instance_conf}"/server.xml || die
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mkdir -p "${instance_conf}"/Catalina/localhost || die
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cat > "${instance_conf}"/Catalina/localhost/host-manager.xml <<-'EOF'
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<?xml version="1.0" encoding="UTF-8"?>
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<Context docBase="${catalina.home}/webapps/host-manager"
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antiResourceLocking="false" privileged="true" />
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EOF
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cat > "${instance_conf}"/Catalina/localhost/manager.xml <<-'EOF'
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<?xml version="1.0" encoding="UTF-8"?>
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<Context docBase="${catalina.home}/webapps/manager"
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antiResourceLocking="false" privileged="true" />
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EOF
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if [[ -d "${tomcat_home}"/webapps/docs ]]; then
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cat > "${instance_conf}"/Catalina/localhost/docs.xml <<-'EOF'
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<?xml version="1.0" encoding="UTF-8"?>
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<Context docBase="${catalina.home}/webapps/docs" />
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EOF
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fi
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if [[ -d "${tomcat_home}"/webapps/examples ]]; then
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cat > "${instance_conf}"/Catalina/localhost/examples.xml <<-'EOF'
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<?xml version="1.0" encoding="UTF-8"?>
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<Context docBase="${catalina.home}/webapps/examples" />
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EOF
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fi
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chown -R "${instance_user}":"${instance_group}" "${instance_conf}" || die
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find "${instance_conf}" -type d -exec chmod 750 {} + || die
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find "${instance_conf}" -type f -exec chmod 640 {} + || die
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# rc script #
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cp "${tomcat_home}"/gentoo/tomcat.init \
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"/@GENTOO_PORTAGE_EPREFIX@etc/init.d/${instance_name}" || die
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sed -e "s|@INSTANCE_NAME@|${instance_name}|g" \
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-e "s|@INSTANCE_USER@|${instance_user}|g" \
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-e "s|@INSTANCE_GROUP@|${instance_group}|g" \
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"${tomcat_home}"/gentoo/tomcat.conf \
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> "/@GENTOO_PORTAGE_EPREFIX@etc/conf.d/${instance_name}" || die
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# some symlinks for tomcat and netbeans #
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ln -s "${instance_conf}" "${instance_base}"/conf || die
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ln -s "${instance_temp}" "${instance_base}"/temp || die
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# a note to update the default configuration #
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cat <<-EOL
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Successfully created instance '${instance_name}'
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It's strongly recommended for production systems to go carefully through the
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configuration files at '${instance_conf}'.
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The generated initial configuration is close to upstreams default which
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favours the demo aspect over hardening.
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EOL
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}
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remove_instance() {
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echo "The following files will be removed permanently:"
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local target; for target in "${all_targets[@]}"; do
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find ${target}
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done
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echo "Type 'yes' to continue"
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read
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if [[ ${REPLY} == yes ]]; then
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rm -rv "${all_targets[@]}"
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else
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echo "Aborting as requested ..."
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fi
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}
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parse_argv "$@"
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if [[ ${action} == create ]]; then
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deploy_instance
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elif [[ ${action} == remove ]]; then
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remove_instance
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elif [[ ${action} == "not specified" ]]; then
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echo "No action specified!"
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usage
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exit 1
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else
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echo "${action} not yet implemented!"
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usage
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exit 1
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fi
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