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// -*- mode: C; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil -*-
// vim: set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
* IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libvirt/libvirt.h>
#include <libvirt/virterror.h>
#include "misc.h"
#include "eucalyptus.h"
#include "diskutil.h"
#define MAXDOMS 1024
static void print_libvirt_error (void)
{
virError * verr = virGetLastError();
if ( verr!=NULL ) {
fprintf (stderr, "libvirt error: %s (code=%d)\n", verr->message, verr->code);
virResetLastError();
}
}
// find value of the given param in the eucalyptus.conf (e.g., /usr/bin/euca-bundle-upload for NC_BUNDLE_UPLOAD_PATH)
// return NULL if the param is commented out
static char* find_conf_value(const char* eucahome, const char* param)
{
char conf_path[1024];
char line[1024];
char *value = NULL;
FILE *f_conf = NULL;
int i =0;
if (!eucahome || !param)
return NULL;
snprintf (conf_path, 1024, "%s/etc/eucalyptus/eucalyptus.conf", eucahome);
f_conf = fopen (conf_path, "r");
if (!f_conf){
return NULL;
}
while (fgets (line, 1024, f_conf)!=NULL) {
if (strstr(line, param)!=NULL) { // found the param in the line
if (strchr(line, '#')!= NULL) { // the line is commented out (assume # can't appear in the middle)
break;
} else {
char* pch = strtok(line, "="); // again assume '=' can't appear in the middle of value
pch = strtok(NULL, "=");
if (pch && strlen(pch)>0) {
value = calloc(strlen(pch)+1, 1);
if (!value) {
fclose(f_conf);
return NULL;
}
snprintf(value, strlen(pch)+1, "%s", pch);
}
break;
}
}
bzero(line, 1024);
}
// remove "" from the value
if (value){
int quote=0;
for (int i=0; i<strlen(value); i++) {
if(value[i]=='\"')
quote++;
else
value[i-quote] = value[i];
}
value[strlen(value)-quote] = 0x00;
// remove spaces
i=0;
while (value[i]==' ' || value[i]=='\t')
i++;
for(int j=i; j<strlen(value); j++)
value[j-i] = value[j];
value[strlen(value)-i] = 0x00;
if(value[strlen(value)-1] == '\n')
value[strlen(value)-1] = 0x00;
}
fclose(f_conf);
return value;
}
int main (int argc, char * argv[])
{
virConnectPtr conn = NULL;
int dom_ids [MAXDOMS];
int num_doms = 0;
char *hypervisor, hypervisorURL[32], cmd[1024];
char *eucahome=NULL;
// logfile (NULL, EUCAFATAL); // suppress all messages
if (argc != 2) {
fprintf (stderr, "error: test_nc expects one parameter (name of hypervisor)\n");
exit (1);
}
hypervisor = argv[1];
if (!strcmp(hypervisor, "kvm")) {
snprintf(hypervisorURL, 32, "qemu:///system");
} else if (!strcmp(hypervisor, "xen")) {
snprintf(hypervisorURL, 32, "xen:///");
} else if (!strcmp(hypervisor, "not_configured")) {
fprintf (stderr, "error: HYPERVISOR variable is not set in eucalyptus.conf\n");
exit (1);
} else {
fprintf (stderr, "error: hypervisor type (%s) is not recognized\n", hypervisor);
exit (1);
}
// check that commands that NC needs are there
if (system("perl --version")) {
fprintf (stderr, "error: could not run perl\n");
exit (1);
}
eucahome = getenv (EUCALYPTUS_ENV_VAR_NAME);
if (!eucahome) {
eucahome = strdup (""); // root by default
} else {
eucahome = strdup(eucahome);
}
add_euca_to_path (eucahome);
fprintf (stderr, "looking for system utilities...\n");
if (diskutil_init(FALSE)) // NC does not require GRUB for now
exit (1);
// check if euca2ools commands for bundle-instance are available
fprintf (stderr, "ok\n\nlooking for euca2ools...\n");
static char * helpers_name [3] = {
"euca-bundle-upload",
"euca-check-bucket",
"euca-delete-bundle"
};
char * helpers_path [3]; // load paths from eucalyptus.conf or set to NULL
helpers_path [0] = find_conf_value (eucahome, "NC_BUNDLE_UPLOAD_PATH");
helpers_path [1] = find_conf_value (eucahome, "NC_CHECK_BUCKET_PATH");
helpers_path [2] = find_conf_value (eucahome, "NC_DELETE_BUNDLE_PATH");
if (verify_helpers (helpers_name, helpers_path, 3) > 0) {
if (verify_helpers (helpers_name, NULL, 3) > 0) {
fprintf (stderr, "error: failed to find required euca2ools\n");
exit (1);
}
}
// ensure hypervisor information is available
fprintf (stderr, "ok\n\nchecking the hypervisor...\n");
if (!strcmp(hypervisor, "kvm")) {
snprintf(cmd, 1024, "%s/usr/lib/eucalyptus/euca_rootwrap %s/usr/share/eucalyptus/get_sys_info", eucahome, eucahome);
} else {
snprintf(cmd, 1024, "%s/usr/lib/eucalyptus/euca_rootwrap %s/usr/share/eucalyptus/get_xen_info", eucahome, eucahome);
}
if (system(cmd)) {
fprintf (stderr, "error: could not run '%s'\n", cmd);
exit (1);
}
// check that libvirt can query the hypervisor
conn = virConnectOpen (hypervisorURL); // NULL means local hypervisor
if (conn == NULL) {
print_libvirt_error ();
fprintf (stderr, "error: failed to connect to hypervisor\n");
exit (1);
}
num_doms = virConnectListDomains (conn, dom_ids, MAXDOMS);
if (num_doms < 0) {
print_libvirt_error ();
fprintf (stderr, "error: failed to query running domains\n");
exit (1);
}
fprintf (stdout, "NC test was successful\n");
return 0;
}
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