icinga2-classicui 2.4.1-2ubuntu1 / postinst

This file is indexed.

postinst is in icinga2-classicui 2.4.1-2ubuntu1.

This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.

The actual contents of the file can be viewed below. 

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#!/bin/sh
# postinst script for icinga2-classicui

set -e

. /usr/share/debconf/confmodule

# shorthand
en="/etc/icinga2-classicui"

# location of the default apache configuration for icinga
apacheconf=$en/apache2.conf
# location of the default htpasswd authentication file.
htpw=$en/htpasswd.users

setperm() {
    user="$1"
    group="$2"
    mode="$3"
    file="$4"
    shift 4
    # only do something when no setting exists
    if ! dpkg-statoverride --list "$file" >/dev/null 2>&1; then
      chown "$user":"$group" "$file"
      chmod "$mode" "$file"
    fi
}

is_fresh_install()
{
    if [ -z "$2" ] ; then
        return 0
    fi
    return 1
}

enable_features_for_classic() {
    if is_fresh_install $@; then
        echo "enabling icinga2 features for classicui"
        icinga2 feature enable compatlog statusdata command

        echo "reloading icinga2"
        [ -x $(which invoke-rc.d) ] && invoke-rc.d icinga2 reload
    fi
    # handle new default features here in the future
}

case "$1" in
    configure)
        enable_features_for_classic $@

        dpkg-maintscript-helper mv_conffile \
            /etc/icinga2/classicui/apache2.conf \
            /etc/icinga2-classicui/apache2.conf 2.2.0-1~ icinga2-classicui -- "$@"

        dpkg-maintscript-helper mv_conffile /etc/icinga2/classicui/cgi.cfg \
            /etc/icinga2-classicui/cgi.cfg 2.2.0-1~  icinga2-classicui -- "$@" 

        if [ -f '/etc/icinga2/classicui/htpasswd.users' ] && [ ! -f '/etc/icinga2-classicui/htpasswd.users' ];
        then
            echo "Move classicui password file to new location"
            mv -f /etc/icinga2/classicui/htpasswd.users \
            /etc/icinga2-classicui/htpasswd.users
            rmdir  /etc/icinga2/classicui || true
        fi

        echo "enabling Apache2 config..."
        COMMON_STATE=$(dpkg-query -f '${Status}' -W 'apache2.2-common' 2>/dev/null | awk '{print $3}' || true)

        # NEW method for Apache >= 2.4
        if [ -e /usr/share/apache2/apache2-maintscript-helper ]; then
            . /usr/share/apache2/apache2-maintscript-helper

            apache2_invoke enmod cgi
            apache2_invoke enconf icinga2-classicui

        # OLD methods for Apache < 2.4
        elif [ "$COMMON_STATE" = "installed" ] || [ "$COMMON_STATE" = "unpacked" ] ; then
            a2enmod cgi
            # create symlink if not existing
            [ -e /etc/apache2/conf.d/icinga2-classicui.conf ] || ln -vs $en/apache2.conf /etc/apache2/conf.d/icinga2-classicui.conf

            # reload webserver
            [ -x $(which invoke-rc.d) ] && invoke-rc.d apache2 reload
        fi

        # check for an old symlink to the stylesheets
        test -L /etc/icinga2/classicui/stylesheets && rm \
        /etc/icinga2/classicui/stylesheets && rmdir /etc/icinga2/classicui || true 
        ###
        # Admin password
        ###
        db_get icinga2-classicui/adminpassword
        admpass="$RET"

        test -f "$htpw" || touch "$htpw"
        setperm root www-data 0640 "$htpw"

        # we reset the password every run, so if it exists we're running
        # after being specifically given a password and can unconditionally set it.
        # XXX there's no way of setting the pw w/out giving it on the cmdline? wtf?
        if [ -n "$admpass" ]; then
            #unfortunatly that method only works with 2.4
            if htpasswd 2>&1 | grep -q ' -i'; then
                echo "$admpass" | htpasswd -i "$htpw" icingaadmin
            else
                htpasswd -b "$htpw" icingaadmin "$admpass"
            fi
        fi

        # everything went well, so now let's reset the password
        db_set icinga2-classicui/adminpassword ""
        db_set icinga2-classicui/adminpassword-repeat ""
        # ... done with debconf here
        db_stop

    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

init_failed ()
{
    echo "Icinga 2 was unable to start due to configuration errors.";
    echo "Please fix them and manually restart the icinga2 daemon using";
    echo " ´service icinga2 start´";
}



exit 0

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