blob: 6ddd3afd571067460721709c068411e06ea3bca4 (
plain) (
blame)
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#!/bin/bash
########################################################
# Include: Detect, whether runvirt runs in legacy mode #
########################################################
## Functions ##
# Legacy mode: As runvirt has been before.
# New mode: uuid in xml _and_ vmx given via http.
download_metadata() {
local EXTRA_ERROR=
declare -rg TMPCONFIG="$CONFDIR/vmx"
# Run hooks
if run_hooks "download" "$CONFDIR"; then
writelog "Metadata download handled via hook."
else
# No hooks found
writelog "Downloading metadata via default method."
download_metadata_default
fi
[ -s "$TMPCONFIG" ] && return 0
# Seems we are in legacy mode, which is no longer supported. Warn user and exit
EXIT_TYPE="user" EXIT_REASON="msg.vm.no-metadata
Die Metadaten der Lehrumgebung konnten nicht vom bwLehrpool-Satelliten
heruntergeladen werden. Bitte versuchen Sie es in wenigen Minuten erneut
und wenden Sie sich an den Support, wenn das Problem bestehen bleibt.
$EXTRA_ERROR
" cleanexit 1
}
download_metadata_default() {
local TRIES WLOG TMPFILE RET ERRCODE CMDLINE
# Sanity checks
if ! check_dep curl; then
writelog "Could not find 'curl' in PATH: $PATH"
EXIT_TYPE="internal" EXIT_REASON="Fehlendes Dienstprogramm 'curl'!" cleanexit 1
fi
# Try new unified .tar.gz way
TMPFILE="$TMPDIR/metadata.tgz"
WLOG="$TMPDIR/curl-metadata.log"
CMDLINE=
curl --help | grep -q -- --retry-connrefused && CMDLINE="--retry-connrefused"
curl -L -o "$TMPFILE" -w '\nretval:%{http_code}\n' --retry 3 $CMDLINE --max-time 8 --retry-max-time 15 "${url_lecture_metadata}" &> "$WLOG"
ERRCODE=$( awk -F: '{ if ($1 == "retval") print $2 }' "$WLOG" )
RET=$?
if [ "$RET" = 0 ] && [ -n "$ERRCODE" ] && [ "$ERRCODE" -ge 200 ] && [ "$ERRCODE" -lt 300 ]; then
# Success, see if data is usable
if tar -C "$CONFDIR" -x -f "$TMPFILE" && [ -s "$TMPCONFIG" ]; then
return 0
fi
rm -rf -- "$TMPFILE"
writelog "Extracting metadata.tgz failed. Cannot start VM."
else
writelog "Downloading metadata.tgz failed (RET=$RET, HTTP=$ERRCODE). Cannot start VM.
$( cat $WLOG )"
#
fi
}
## Main ##
call_post_source download_metadata
|
