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#!/bin/bash
################################################
# Include: Sets core variables and directories #
################################################
# Check if the path to the logfile was given externally (by the wrapper)
unset WRAPPED
if notempty LOGFILE; then
if [ ! -w "${LOGFILE}" ]; then
# given logfile is not writeable or non-existant
# so handle it ourself (so do not set WRAPPED)
rm -f "${LOGFILE}"
unset LOGFILE
else
# given logfile was ok, mark that we are wrapped
# (for cleanexit to not slxlog the log since
# the wrapper is handling that for us)
declare -rg WRAPPED=aye
fi
fi
isset LOGFILE || declare -rg LOGFILE="/var/log/openslx/run-virt.${USER}.$$.log"
ln -sf "$LOGFILE" "/var/log/openslx/run-virt.latest.log"
# Create temporary directory for current invocation
if check_dep mkdir && ! mkdir -p "$TMPDIR" "$CONFDIR"; then
writelog "Could not create temporary directories for session"
EXIT_TYPE="internal" EXIT_REASON="Konnte kein Arbeitsverzeichnis für die VM-Sitzung anlegen." cleanexit 1
fi
# Check that /tmp/virt is not in RAM.
# Either mounted directly (e.g. NFS) or backed by hdd mounted /tmp.
# This variable is empty (but set!) if /tmp/virt isn't backed at all
# else it will be non-empty (check with helper function 'notempty').
declare -g TMPDIR_NOT_RAM=
if ! dir_on_tmpfs /tmp/virt ; then
writelog "/tmp/virt is not in RAM, will allocate more RAM to VMs."
TMPDIR_NOT_RAM=1
readonly TMPDIR_NOT_RAM
fi
# Get a unique VM_ID for the current invocation
get_vm_id
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