#!/bin/bash
#############################################################
# Name:        Supportconfig Plugin for libvirt
# Description: Gathers important troubleshooting information
#              about libvirt
# Author:      Jim Fehlig <jfehlig@suse.com>
#############################################################

RCFILE="/usr/lib/supportconfig/resources/scplugin.rc"

LIBVIRTD_CONF_FILES="$(find -L /etc/libvirt/*.conf -type f | sort)"
VM_CONF_FILES=""
LIBVIRTD_LOG_FILES="$(find -L /var/log/libvirt/ -name libvirtd.log -type f | sort)"


if [ -s $RCFILE ]; then
    if ! source $RCFILE; then
        echo "ERROR: Initializing resource file: $RCFILE" >&2
        exit 1
    fi
fi

rpm_installed() {
    thisrpm="$1"

    if rpm -q "$thisrpm" >/dev/null 2>&1; then
	return 0
    fi
    return 1
}

rpm_verify() {
    thisrpm="$1"
    local ret=0

    echo
    echo "#==[ Validating RPM ]=================================#"
    if rpm -q "$thisrpm" >/dev/null 2>&1; then
        echo "# rpm -V $thisrpm"

        if rpm -V "$thisrpm"; then
            echo "Status: Passed"
        else
            echo "Status: WARNING"
        fi
    else
        echo "package $thisrpm is not installed"
	ret=1
    fi
    echo
    return $ret
}

if rpm_installed libvirt-daemon-xen; then
    test -d /etc/libvirt/libxl && VM_CONF_FILES="$VM_CONF_FILES $(find -L /etc/libvirt/libxl/ -type f | sort)"
    test -d /var/log/libvirt/libxl && LIBVIRTD_LOG_FILES="$LIBVIRTD_LOG_FILES $(find -L /var/log/libvirt/libxl/ -type f | sort)"
fi

if rpm_installed libvirt-daemon-qemu; then
    test -d /etc/libvirt/qemu && VM_CONF_FILES="$VM_CONF_FILES $(find -L /etc/libvirt/qemu/ -type f | sort)"
    test -d /var/log/libvirt/qemu && LIBVIRTD_LOG_FILES="$LIBVIRTD_LOG_FILES $(find -L /var/log/libvirt/qemu/ -type f | sort)"
fi

if rpm_installed libvirt-daemon-lxc; then
    test -d /etc/libvirt/lxc && VM_CONF_FILES="$VM_CONF_FILES $(find -L /etc/libvirt/lxc/ -type f | sort)"
    test -d /var/log/libvirt/lxc && LIBVIRTD_LOG_FILES="$LIBVIRTD_LOG_FILES $(find -L /var/log/libvirt/lxc/ -type f | sort)"
fi

if ! rpm_verify libvirt-daemon; then
    echo "Skipped"
    exit 0
fi

if systemctl is-enabled libvirtd.service 2>&1 > /dev/null; then
    plugin_command "virsh version"
    plugin_command "virsh capabilities"
    plugin_command "virsh domcapabilities"
    plugin_command "virsh nodeinfo"
    plugin_command "virsh nodedev-list"
    # print all known domains on default URI
    plugin_command "virsh list --all"
    echo
    # dump configuration info of active domains on default URI
    for DOM in $(virsh list --name)
    do
        plugin_command "virsh dumpxml $DOM"
	plugin_command "virsh vcpuinfo $DOM"
	plugin_command "virsh dominfo $DOM"
	plugin_command "virsh domjobinfo $DOM"
	plugin_command "virsh dommemstat $DOM"
	plugin_command "virsh snapshot-list $DOM"
	echo
    done
    # dump configuration info of inactive domains on default URI
    for DOM in $(virsh list --name --inactive)
    do
        plugin_command "virsh dumpxml $DOM"
	plugin_command "virsh snapshot-list $DOM"
	echo
    done
    # for LXC domains we have to explicitly specify the URI
    if rpm_installed libvirt-daemon-lxc; then
        for DOM in $(virsh -c lxc:/// list --name --all); do
            plugin_command "virsh -c lxc:/// dumpxml $DOM"
	    plugin_command "virsh -c lxc:/// dominfo $DOM"
	    echo
        done
    fi

    # dump active networks, interfaces and storage pools
    plugin_command "virsh net-list"
    plugin_command "virsh iface-list"
    plugin_command "virsh pool-list"
fi

# dump libvirtd-related conf files
pconf_files "$LIBVIRTD_CONF_FILES"

# dump VM-related conf files
pconf_files "$VM_CONF_FILES"

# dump hook conf files
test -d /etc/libvirt/hooks && FILES="$(find -L /etc/libvirt/hooks/ -type f | sort)"
pconf_files "$FILES"

# dump all log files
plog_files 0 "$LIBVIRTD_LOG_FILES"

echo "Done"