builder/conf-tgz/hooks/fetch-config-tgz.sh


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

#!/usr/bin/env bash
# -*- coding: utf-8 -*-

source '/usr/lib/rebash/core.sh'
core.import exceptions
core.import logging
type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh

exceptions.try
{
    logging.set_commands_level debug
    logging.set_level debug
    # NOTE: "getarg" raises an exception so deactivate exceptions for now.
    exceptions.deactivate
    slx_server="$(getarg slxsrv=)"
    slx_server_base="$(getarg slxbase=)"
    exceptions.activate

    logging.info "Download config.tgz from '${slx_server}'..."
    IFS_backup="$IFS"
    IFS=','
    for host in ${slx_server}; do
        logging.info "Trying host \"$host\"."
        if wget --timeout 5 \
            "http://${host}/${slx_server_base}/config.tgz" \
            --output-document "/etc/config.tgz"
        then
            break
        fi
    done
    IFS="$IFS_backup"

    if [[ ! -e "/etc/config.tgz" ]]; then
        logging.warn "Downloading 'config.tgz' from '${slx_server}' failed. Return code: $return_code"
        exit 1
    fi
}
exceptions.catch
{
    logging.error "$exceptions_last_traceback"
    emergency_shell "error in ${BASH_SOURCE[0]}"
}