source: scripts/usr/local/lib/7dtd/commands/instances.sh@ 502

#!/bin/bash

#   Copyright 2016 Christian 'Alloc' Illy
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.



sdtdSubcommandInstancesList() {
        printf "%-*s | %-*s | %-*s | %-*s | %-*s | %-*s\n" 20 "Instance name" 8 "Running" 7 "Players" 9 "Game Port" 11 "Dashb. Port" 6 "Telnet"
        printf -v line "%*s-+-%*s-+-%*s-+-%*s-+-%*s-+-%*s\n" 20 " " 8 " " 7 " " 9 " " 11 " " 6 " "
        echo ${line// /-}
        for I in $(getInstanceList); do
                if [ $(isRunning $I) -eq 1 ]; then
                        run="yes"
                        cur=$(telnetCommand $I lp | grep -aE "^\s?Total of " | cut -d\  -f 3)
                else
                        run="no"
                        cur="-"
                fi

                if [ -z $cur ]; then
                        cur="?"
                fi
                max=$(getConfigValue $I ServerMaxPlayerCount)
                port=$(getConfigValue $I ServerPort)
                cpState="disabled"
                if [ "$(getConfigValue $I WebDashboardEnabled)" = "true" ]; then
                        cpState="$(getConfigValue $I WebDashboardPort)"
                fi
                telnet=$(getConfigValue $I TelnetPort)

                printf "%-*s | %*s |   %2s/%2d | %9d | %*s | %*s\n" 20 "$I" 8 "$run" $cur $max $port 11 "$cpState" 6 "$telnet"
        done
}

sdtdSubcommandInstancesCreate() {
        while : ; do
                readInstanceName
                [ $(isValidInstance "$INSTANCE") -eq 0 ] && break
                echo "Instance name already in use."
                INSTANCE=
        done
        echo
        
        local IPATH=$(getInstancePath "$INSTANCE")
        mkdir -p "$IPATH" 2>/dev/null

        if [ $(configTemplateExists) -eq 1 ]; then
                local USETEMPLATE
                while : ; do
                        read -p "Use the config template? [Yn] " USETEMPLATE
                        USETEMPLATE=${USETEMPLATE:-Y}
                        case $USETEMPLATE in
                                y|Y)
                                        cp $SDTD_BASE/templates/config.xml $IPATH/config.xml
                                        break
                                        ;;
                                n|N)
                                        break
                                        ;;
                        esac
                done
                echo
        fi
        
        if [ ! -f $IPATH/config.xml ]; then
                cp $SDTD_BASE/engine/serverconfig.xml $IPATH/config.xml
        fi

        if [ -z "$EDITOR" ]; then
                echo "No EDITOR specified in the global configuration file (7dtd.conf)!"
                echo "Please add/edit the variable 'EDITOR' and set it to the text editor you would"
                echo "like to use to edit the XML configs, preferably an editor that supports XML"
                echo "syntax highlighting for easier editing."
                echo "Run '7dtd.sh instances edit $INSTANCE' afterwards to edit the configuration."
                echo
        else
                $EDITOR $IPATH/config.xml
        fi

        if [ -f "$SDTD_BASE/templates/admins.xml" ]; then
                cp "$SDTD_BASE/templates/admins.xml" "$IPATH/"
        fi
        chown -R $SDTD_USER:$SDTD_GROUP $IPATH
        echo "Done"
}

sdtdSubcommandInstancesEdit() {
        if [ -z "$EDITOR" ]; then
                echo "No EDITOR specified in the global configuration file (7dtd.conf)!"
                echo "Please add/edit the variable 'EDITOR' and set it to the text editor you would"
                echo "like to use to edit the XML configs, preferably an editor that supports XML"
                echo "syntax highlighting for easier editing."
                return
        fi
        
        if [ $(isValidInstance "$1") -eq 0 ]; then
                echo "No instance given or not a valid instance!"
                return
        fi
                
        if [ $(isRunning "$1") -eq 0 ]; then
                local INSTANCE=$1
                local IPATH=$(getInstancePath "$INSTANCE")

                $EDITOR $IPATH/config.xml
        else
                echo "Instance $1 is currently running. Please stop it first."
        fi
}

sdtdSubcommandInstancesDelete() {
        if [ $(isValidInstance "$1") -eq 0 ]; then
                echo "No instance given or not a valid instance!"
                return
        fi

        if [ $(isRunning "$1") -eq 0 ]; then
                local SECCODE=$(dd if=/dev/urandom bs=1 count=100 2>/dev/null \
                        | tr -cd '[:alnum:]' | head -c5)
                local SECCODEIN
                echo
                echo "WARNING: Do you really want to delete the following instance?"
                echo "    $1"
                echo "This will delete all of its configuration and save data."
                echo "If you REALLY want to continue enter the following security code:"
                echo "    $SECCODE"
                echo
                read -p "Security code: " -e SECCODEIN
                if [ "$SECCODE" = "$SECCODEIN" ]; then
                        rm -R "$(getInstancePath "$1")"
                        echo "Done"
                else
                        echo "Security code did not match, aborting."
                fi
        else
                echo "Instance $1 is currently running. Please stop it first."
        fi
}

sdtdSubcommandInstancesPrintConfig() {
        if [ $(isValidInstance "$1") -eq 0 ]; then
                echo "No instance given or not a valid instance!"
                return
        fi
                
        local INSTANCE=$1
        local IPATH=$(getInstancePath "$INSTANCE")
        xmlstarlet sel -t -m "//property" -v "@name" -o " = " -v "@value" -nl $IPATH/config.xml | sort
}

sdtdSubcommandInstancesPrintXml() {
        if [ $(isValidInstance "$1") -eq 0 ]; then
                echo "No instance given or not a valid instance!"
                return
        fi
                
        local INSTANCE=$1
        local IPATH=$(getInstancePath "$INSTANCE")
        
        which pygmentize > /dev/null 2>&1
        if [ $? -eq 0 ]; then
                cat $IPATH/config.xml | pygmentize -l xml
        else
                cat $IPATH/config.xml
        fi
}

sdtdCommandInstances() {
        SUBCMD=$1
        shift
        case $SUBCMD in
                list)
                        sdtdSubcommandInstancesList "$@"
                        ;;
                create)
                        sdtdSubcommandInstancesCreate "$@"
                        ;;
                edit)
                        sdtdSubcommandInstancesEdit "$@"
                        ;;
                delete)
                        sdtdSubcommandInstancesDelete "$@"
                        ;;
                print_config)
                        sdtdSubcommandInstancesPrintConfig "$@"
                        ;;
                print_xml)
                        sdtdSubcommandInstancesPrintXml "$@"
                        ;;
                *)
                        sdtdCommandInstancesHelp
                        ;;
        esac
}

sdtdCommandInstancesHelp() {
        line() {
                printf "  %-*s %s\n" 19 "$1" "$2"
        }

        echo "Usage: $(basename $0) instances <subcommand>"
        echo "Subcommands are:"
        line "list" "List all defined instances and their status."
        line "create" "Create a new instance"
        line "edit <instance>" "Edit an existing instance"
        line "delete <instance>" "Delete an existing instance"
        line "print_config <instance>" "Print the current config of the instance to the console"
        line "print_xml <instance>" "Print the config XML as is"
}

sdtdCommandInstancesDescription() {
        echo "List all defined instances"
}

sdtdCommandInstancesExpects() {
        case $1 in
                2)
                        echo "list create edit delete print_config print_xml"
                        ;;
                3)
                        case $2 in
                                edit|delete|print_config|print_xml)
                                        echo "$(getInstanceList)"
                                        ;;
                        esac
                        ;;
        esac
}