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/*
Copyright (c) 2009 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, only version 3 of the License.
This file 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., 130 Castilian
Dr., Goleta, CA 93101 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
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.
*/
#ifndef INCLUDE_HANDLERS_H
#define INCLUDE_HANDLERS_H
#include <libvirt/libvirt.h>
#include <libvirt/virterror.h>
#include "vnetwork.h"
#include "data.h"
#define LIBVIRT_QUERY_RETRIES 5
#define MAXDOMS 1024
#define BYTES_PER_DISK_UNIT 1048576 /* disk stats are in Gigs */
#define SWAP_SIZE 512 /* for now, the only possible swap size, in MBs */
/* NC state */
struct nc_state_t {
struct handlers *H; // selected handler
struct handlers *D; // default handler
vnetConfig *vnetconfig; // network config
// globals
int config_network_port;
char admin_user_id[CHAR_BUFFER_SIZE];
int save_instance_files;
char uri[CHAR_BUFFER_SIZE];
virConnectPtr conn;
int convert_to_disk;
// defined max
long long config_max_disk;
long long config_max_mem;
long long config_max_cores;
// current max
long long disk_max;
long long mem_max;
long long cores_max;
// paths
char home[CHAR_BUFFER_SIZE];
char config_network_path [CHAR_BUFFER_SIZE];
char gen_libvirt_cmd_path[CHAR_BUFFER_SIZE];
char get_info_cmd_path[CHAR_BUFFER_SIZE];
char rootwrap_cmd_path[CHAR_BUFFER_SIZE];
char virsh_cmd_path[CHAR_BUFFER_SIZE];
char xm_cmd_path[CHAR_BUFFER_SIZE];
char detach_cmd_path[CHAR_BUFFER_SIZE];
char connect_storage_cmd_path[BIG_CHAR_BUFFER_SIZE];
char disconnect_storage_cmd_path[BIG_CHAR_BUFFER_SIZE];
char get_storage_cmd_path[BIG_CHAR_BUFFER_SIZE];
};
struct handlers {
char name [CHAR_BUFFER_SIZE];
int (*doInitialize) (struct nc_state_t *nc);
int (*doPowerDown) (struct nc_state_t *nc,
ncMetadata *meta);
int (*doDescribeInstances) (struct nc_state_t *nc,
ncMetadata *meta,
char **instIds,
int instIdsLen,
ncInstance ***outInsts,
int *outInstsLen);
int (*doRunInstance) (struct nc_state_t *nc,
ncMetadata *meta,
char *instanceId,
char *reservationId,
ncInstParams *params,
char *imageId,
char *imageURL,
char *kernelId,
char *kernelURL,
char *ramdiskId,
char *ramdiskURL,
char *keyName,
char *privMac,
char *pubMac,
int vlan,
char *userData,
char *launchIndex,
char **groupNames,
int groupNamesSize,
ncInstance **outInst);
int (*doTerminateInstance) (struct nc_state_t *nc,
ncMetadata *meta,
char *instanceId,
int *shutdownState,
int *previousState);
int (*doRebootInstance) (struct nc_state_t *nc,
ncMetadata *meta,
char *instanceId);
int (*doGetConsoleOutput) (struct nc_state_t *nc,
ncMetadata *meta,
char *instanceId,
char **consoleOutput);
int (*doDescribeResource) (struct nc_state_t *nc,
ncMetadata *meta,
char *resourceType,
ncResource **outRes);
int (*doStartNetwork) (struct nc_state_t *nc,
ncMetadata *ccMeta,
char **remoteHosts,
int remoteHostsLen,
int port,
int vlan);
int (*doAttachVolume) (struct nc_state_t *nc,
ncMetadata *meta,
char *instanceId,
char *volumeId,
char *remoteDev,
char *localDev);
int (*doDetachVolume) (struct nc_state_t *nc,
ncMetadata *meta,
char *instanceId,
char *volumeId,
char *remoteDev,
char *localDev,
int force);
};
#ifdef HANDLERS_FANOUT // only declare for the fanout code, not the actual handlers
int doPowerDown (ncMetadata *meta);
int doDescribeInstances (ncMetadata *meta, char **instIds, int instIdsLen, ncInstance ***outInsts, int *outInstsLen);
int doRunInstance (ncMetadata *meta, char *instanceId, char *reservationId, ncInstParams *params, char *imageId, char *imageURL, char *kernelId, char *kernelURL, char *ramdiskId, char *ramdiskURL, char *keyName, char *privMac, char *pubMac, int vlan, char *userData, char *launchIndex, char **groupNames, int groupNamesSize, ncInstance **outInst);
int doTerminateInstance (ncMetadata *meta, char *instanceId, int *shutdownState, int *previousState);
int doRebootInstance (ncMetadata *meta, char *instanceId);
int doGetConsoleOutput (ncMetadata *meta, char *instanceId, char **consoleOutput);
int doDescribeResource (ncMetadata *meta, char *resourceType, ncResource **outRes);
int doStartNetwork (ncMetadata *ccMeta, char **remoteHosts, int remoteHostsLen, int port, int vlan);
int doAttachVolume (ncMetadata *meta, char *instanceId, char *volumeId, char *remoteDev, char *localDev);
int doDetachVolume (ncMetadata *meta, char *instanceId, char *volumeId, char *remoteDev, char *localDev, int force);
#endif /* HANDLERS_FANOUT */
/* helper functions used by the low level handlers */
int get_value( char *s,
const char *name,
long long *valp);
int convert_dev_names( char *localDev,
char *localDevReal,
char *localDevTag);
void libvirt_error_handler( void * userData,
virErrorPtr error);
void print_running_domains( void);
virConnectPtr *check_hypervisor_conn();
void change_state( ncInstance * instance,
instance_states state);
void adopt_instances();
int get_instance_xml( const char *gen_libvirt_cmd_path,
char *userId,
char *instanceId,
int ramdisk,
char *disk_path,
ncInstParams *params,
char *privMac,
char *pubMac,
char *brname,
char **xml);
void * monitoring_thread( void *arg);
void * startup_thread( void *arg);
int check_iscsi(char* dev_string);
void parse_target(char *dev_string);
char* connect_iscsi_target(const char *storage_cmd_path, char *dev_string);
int disconnect_iscsi_target(const char *storage_cmd_path, char *dev_string);
char* get_iscsi_target(const char *storage_cmd_path, char *dev_string);
#endif /* INCLUDE */
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