libvirt/tools/virsh-pool.c
Eric Blake ef8d35830c virsh: split out virsh-pool.c
More in a series of file splits.

* tools/virsh-pool.h: New file.
* tools/Makefile.am (virsh_SOURCES): Build it.
* tools/virsh.c: Use new header.
* tools/virsh-pool.c: Likewise.
(virCommandOptPoolBy): Fix flag usage.
2012-08-21 00:11:29 -06:00

1453 lines
45 KiB
C

/*
* virsh-pool.c: Commands to manage storage pool
*
* Copyright (C) 2005, 2007-2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see
* <http://www.gnu.org/licenses/>.
*
* Daniel Veillard <veillard@redhat.com>
* Karel Zak <kzak@redhat.com>
* Daniel P. Berrange <berrange@redhat.com>
*
*/
#include <config.h>
#include "virsh-pool.h"
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/xmlsave.h>
#include "internal.h"
#include "buf.h"
#include "memory.h"
#include "util.h"
#include "xml.h"
virStoragePoolPtr
vshCommandOptPoolBy(vshControl *ctl, const vshCmd *cmd, const char *optname,
const char **name, unsigned int flags)
{
virStoragePoolPtr pool = NULL;
const char *n = NULL;
virCheckFlags(VSH_BYUUID | VSH_BYNAME, NULL);
if (vshCommandOptString(cmd, optname, &n) <= 0)
return NULL;
vshDebug(ctl, VSH_ERR_INFO, "%s: found option <%s>: %s\n",
cmd->def->name, optname, n);
if (name)
*name = n;
/* try it by UUID */
if ((flags & VSH_BYUUID) && strlen(n) == VIR_UUID_STRING_BUFLEN-1) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as pool UUID\n",
cmd->def->name, optname);
pool = virStoragePoolLookupByUUIDString(ctl->conn, n);
}
/* try it by NAME */
if (!pool && (flags & VSH_BYNAME)) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as pool NAME\n",
cmd->def->name, optname);
pool = virStoragePoolLookupByName(ctl->conn, n);
}
if (!pool)
vshError(ctl, _("failed to get pool '%s'"), n);
return pool;
}
/*
* "pool-autostart" command
*/
static const vshCmdInfo info_pool_autostart[] = {
{"help", N_("autostart a pool")},
{"desc",
N_("Configure a pool to be automatically started at boot.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_autostart[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{"disable", VSH_OT_BOOL, 0, N_("disable autostarting")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolAutostart(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
const char *name;
int autostart;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
autostart = !vshCommandOptBool(cmd, "disable");
if (virStoragePoolSetAutostart(pool, autostart) < 0) {
if (autostart)
vshError(ctl, _("failed to mark pool %s as autostarted"), name);
else
vshError(ctl, _("failed to unmark pool %s as autostarted"), name);
virStoragePoolFree(pool);
return false;
}
if (autostart)
vshPrint(ctl, _("Pool %s marked as autostarted\n"), name);
else
vshPrint(ctl, _("Pool %s unmarked as autostarted\n"), name);
virStoragePoolFree(pool);
return true;
}
/*
* "pool-create" command
*/
static const vshCmdInfo info_pool_create[] = {
{"help", N_("create a pool from an XML file")},
{"desc", N_("Create a pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_create[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ,
N_("file containing an XML pool description")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolCreate(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
const char *from = NULL;
bool ret = true;
char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
return false;
pool = virStoragePoolCreateXML(ctl->conn, buffer, 0);
VIR_FREE(buffer);
if (pool != NULL) {
vshPrint(ctl, _("Pool %s created from %s\n"),
virStoragePoolGetName(pool), from);
virStoragePoolFree(pool);
} else {
vshError(ctl, _("Failed to create pool from %s"), from);
ret = false;
}
return ret;
}
/*
* XML Building helper for pool-define-as and pool-create-as
*/
static const vshCmdOptDef opts_pool_X_as[] = {
{"name", VSH_OT_DATA, VSH_OFLAG_REQ, N_("name of the pool")},
{"print-xml", VSH_OT_BOOL, 0, N_("print XML document, but don't define/create")},
{"type", VSH_OT_DATA, VSH_OFLAG_REQ, N_("type of the pool")},
{"source-host", VSH_OT_DATA, 0, N_("source-host for underlying storage")},
{"source-path", VSH_OT_DATA, 0, N_("source path for underlying storage")},
{"source-dev", VSH_OT_DATA, 0, N_("source device for underlying storage")},
{"source-name", VSH_OT_DATA, 0, N_("source name for underlying storage")},
{"target", VSH_OT_DATA, 0, N_("target for underlying storage")},
{"source-format", VSH_OT_STRING, 0, N_("format for underlying storage")},
{NULL, 0, 0, NULL}
};
static int buildPoolXML(const vshCmd *cmd, const char **retname, char **xml) {
const char *name = NULL, *type = NULL, *srcHost = NULL, *srcPath = NULL,
*srcDev = NULL, *srcName = NULL, *srcFormat = NULL, *target = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (vshCommandOptString(cmd, "name", &name) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "type", &type) <= 0)
goto cleanup;
if (vshCommandOptString(cmd, "source-host", &srcHost) < 0 ||
vshCommandOptString(cmd, "source-path", &srcPath) < 0 ||
vshCommandOptString(cmd, "source-dev", &srcDev) < 0 ||
vshCommandOptString(cmd, "source-name", &srcName) < 0 ||
vshCommandOptString(cmd, "source-format", &srcFormat) < 0 ||
vshCommandOptString(cmd, "target", &target) < 0) {
vshError(NULL, "%s", _("missing argument"));
goto cleanup;
}
virBufferAsprintf(&buf, "<pool type='%s'>\n", type);
virBufferAsprintf(&buf, " <name>%s</name>\n", name);
if (srcHost || srcPath || srcDev || srcFormat || srcName) {
virBufferAddLit(&buf, " <source>\n");
if (srcHost)
virBufferAsprintf(&buf, " <host name='%s'/>\n", srcHost);
if (srcPath)
virBufferAsprintf(&buf, " <dir path='%s'/>\n", srcPath);
if (srcDev)
virBufferAsprintf(&buf, " <device path='%s'/>\n", srcDev);
if (srcFormat)
virBufferAsprintf(&buf, " <format type='%s'/>\n", srcFormat);
if (srcName)
virBufferAsprintf(&buf, " <name>%s</name>\n", srcName);
virBufferAddLit(&buf, " </source>\n");
}
if (target) {
virBufferAddLit(&buf, " <target>\n");
virBufferAsprintf(&buf, " <path>%s</path>\n", target);
virBufferAddLit(&buf, " </target>\n");
}
virBufferAddLit(&buf, "</pool>\n");
if (virBufferError(&buf)) {
vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
return false;
}
*xml = virBufferContentAndReset(&buf);
*retname = name;
return true;
cleanup:
virBufferFreeAndReset(&buf);
return false;
}
/*
* "pool-create-as" command
*/
static const vshCmdInfo info_pool_create_as[] = {
{"help", N_("create a pool from a set of args")},
{"desc", N_("Create a pool.")},
{NULL, NULL}
};
static bool
cmdPoolCreateAs(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
const char *name;
char *xml;
bool printXML = vshCommandOptBool(cmd, "print-xml");
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!buildPoolXML(cmd, &name, &xml))
return false;
if (printXML) {
vshPrint(ctl, "%s", xml);
VIR_FREE(xml);
} else {
pool = virStoragePoolCreateXML(ctl->conn, xml, 0);
VIR_FREE(xml);
if (pool != NULL) {
vshPrint(ctl, _("Pool %s created\n"), name);
virStoragePoolFree(pool);
} else {
vshError(ctl, _("Failed to create pool %s"), name);
return false;
}
}
return true;
}
/*
* "pool-define" command
*/
static const vshCmdInfo info_pool_define[] = {
{"help", N_("define (but don't start) a pool from an XML file")},
{"desc", N_("Define a pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_define[] = {
{"file", VSH_OT_DATA, VSH_OFLAG_REQ, N_("file containing an XML pool description")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolDefine(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
const char *from = NULL;
bool ret = true;
char *buffer;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (vshCommandOptString(cmd, "file", &from) <= 0)
return false;
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0)
return false;
pool = virStoragePoolDefineXML(ctl->conn, buffer, 0);
VIR_FREE(buffer);
if (pool != NULL) {
vshPrint(ctl, _("Pool %s defined from %s\n"),
virStoragePoolGetName(pool), from);
virStoragePoolFree(pool);
} else {
vshError(ctl, _("Failed to define pool from %s"), from);
ret = false;
}
return ret;
}
/*
* "pool-define-as" command
*/
static const vshCmdInfo info_pool_define_as[] = {
{"help", N_("define a pool from a set of args")},
{"desc", N_("Define a pool.")},
{NULL, NULL}
};
static bool
cmdPoolDefineAs(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
const char *name;
char *xml;
bool printXML = vshCommandOptBool(cmd, "print-xml");
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!buildPoolXML(cmd, &name, &xml))
return false;
if (printXML) {
vshPrint(ctl, "%s", xml);
VIR_FREE(xml);
} else {
pool = virStoragePoolDefineXML(ctl->conn, xml, 0);
VIR_FREE(xml);
if (pool != NULL) {
vshPrint(ctl, _("Pool %s defined\n"), name);
virStoragePoolFree(pool);
} else {
vshError(ctl, _("Failed to define pool %s"), name);
return false;
}
}
return true;
}
/*
* "pool-build" command
*/
static const vshCmdInfo info_pool_build[] = {
{"help", N_("build a pool")},
{"desc", N_("Build a given pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_build[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{"no-overwrite", VSH_OT_BOOL, 0, N_("do not overwrite an existing pool of this type")},
{"overwrite", VSH_OT_BOOL, 0, N_("overwrite any existing data")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolBuild(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
const char *name;
unsigned int flags = 0;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
if (vshCommandOptBool(cmd, "no-overwrite")) {
flags |= VIR_STORAGE_POOL_BUILD_NO_OVERWRITE;
}
if (vshCommandOptBool(cmd, "overwrite")) {
flags |= VIR_STORAGE_POOL_BUILD_OVERWRITE;
}
if (virStoragePoolBuild(pool, flags) == 0) {
vshPrint(ctl, _("Pool %s built\n"), name);
} else {
vshError(ctl, _("Failed to build pool %s"), name);
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-destroy" command
*/
static const vshCmdInfo info_pool_destroy[] = {
{"help", N_("destroy (stop) a pool")},
{"desc",
N_("Forcefully stop a given pool. Raw data in the pool is untouched")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_destroy[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolDestroy(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
const char *name;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
if (virStoragePoolDestroy(pool) == 0) {
vshPrint(ctl, _("Pool %s destroyed\n"), name);
} else {
vshError(ctl, _("Failed to destroy pool %s"), name);
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-delete" command
*/
static const vshCmdInfo info_pool_delete[] = {
{"help", N_("delete a pool")},
{"desc", N_("Delete a given pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_delete[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolDelete(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
const char *name;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
if (virStoragePoolDelete(pool, 0) == 0) {
vshPrint(ctl, _("Pool %s deleted\n"), name);
} else {
vshError(ctl, _("Failed to delete pool %s"), name);
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-refresh" command
*/
static const vshCmdInfo info_pool_refresh[] = {
{"help", N_("refresh a pool")},
{"desc", N_("Refresh a given pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_refresh[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolRefresh(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
const char *name;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
if (virStoragePoolRefresh(pool, 0) == 0) {
vshPrint(ctl, _("Pool %s refreshed\n"), name);
} else {
vshError(ctl, _("Failed to refresh pool %s"), name);
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-dumpxml" command
*/
static const vshCmdInfo info_pool_dumpxml[] = {
{"help", N_("pool information in XML")},
{"desc", N_("Output the pool information as an XML dump to stdout.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_dumpxml[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{"inactive", VSH_OT_BOOL, 0, N_("show inactive defined XML")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolDumpXML(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
bool inactive = vshCommandOptBool(cmd, "inactive");
unsigned int flags = 0;
char *dump;
if (inactive)
flags |= VIR_STORAGE_XML_INACTIVE;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", NULL)))
return false;
dump = virStoragePoolGetXMLDesc(pool, flags);
if (dump != NULL) {
vshPrint(ctl, "%s", dump);
VIR_FREE(dump);
} else {
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-list" command
*/
static const vshCmdInfo info_pool_list[] = {
{"help", N_("list pools")},
{"desc", N_("Returns list of pools.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_list[] = {
{"inactive", VSH_OT_BOOL, 0, N_("list inactive pools")},
{"all", VSH_OT_BOOL, 0, N_("list inactive & active pools")},
{"details", VSH_OT_BOOL, 0, N_("display extended details for pools")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolList(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
{
virStoragePoolInfo info;
char **poolNames = NULL;
int i, ret;
bool functionReturn;
int numActivePools = 0, numInactivePools = 0, numAllPools = 0;
size_t stringLength = 0, nameStrLength = 0;
size_t autostartStrLength = 0, persistStrLength = 0;
size_t stateStrLength = 0, capStrLength = 0;
size_t allocStrLength = 0, availStrLength = 0;
struct poolInfoText {
char *state;
char *autostart;
char *persistent;
char *capacity;
char *allocation;
char *available;
};
struct poolInfoText *poolInfoTexts = NULL;
/* Determine the options passed by the user */
bool all = vshCommandOptBool(cmd, "all");
bool details = vshCommandOptBool(cmd, "details");
bool inactive = vshCommandOptBool(cmd, "inactive");
bool active = !inactive || all;
inactive |= all;
/* Check the connection to libvirtd daemon is still working */
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
/* Retrieve the number of active storage pools */
if (active) {
numActivePools = virConnectNumOfStoragePools(ctl->conn);
if (numActivePools < 0) {
vshError(ctl, "%s", _("Failed to list active pools"));
return false;
}
}
/* Retrieve the number of inactive storage pools */
if (inactive) {
numInactivePools = virConnectNumOfDefinedStoragePools(ctl->conn);
if (numInactivePools < 0) {
vshError(ctl, "%s", _("Failed to list inactive pools"));
return false;
}
}
/* Determine the total number of pools to list */
numAllPools = numActivePools + numInactivePools;
/* Allocate memory for arrays of storage pool names and info */
poolNames = vshCalloc(ctl, numAllPools, sizeof(*poolNames));
poolInfoTexts =
vshCalloc(ctl, numAllPools, sizeof(*poolInfoTexts));
/* Retrieve a list of active storage pool names */
if (active) {
if (virConnectListStoragePools(ctl->conn,
poolNames, numActivePools) < 0) {
vshError(ctl, "%s", _("Failed to list active pools"));
VIR_FREE(poolInfoTexts);
VIR_FREE(poolNames);
return false;
}
}
/* Add the inactive storage pools to the end of the name list */
if (inactive) {
if (virConnectListDefinedStoragePools(ctl->conn,
&poolNames[numActivePools],
numInactivePools) < 0) {
vshError(ctl, "%s", _("Failed to list inactive pools"));
VIR_FREE(poolInfoTexts);
VIR_FREE(poolNames);
return false;
}
}
/* Sort the storage pool names */
qsort(poolNames, numAllPools, sizeof(*poolNames), vshNameSorter);
/* Collect the storage pool information for display */
for (i = 0; i < numAllPools; i++) {
int autostart = 0, persistent = 0;
/* Retrieve a pool object, looking it up by name */
virStoragePoolPtr pool = virStoragePoolLookupByName(ctl->conn,
poolNames[i]);
if (!pool) {
VIR_FREE(poolNames[i]);
continue;
}
/* Retrieve the autostart status of the pool */
if (virStoragePoolGetAutostart(pool, &autostart) < 0)
poolInfoTexts[i].autostart = vshStrdup(ctl, _("no autostart"));
else
poolInfoTexts[i].autostart = vshStrdup(ctl, autostart ?
_("yes") : _("no"));
/* Retrieve the persistence status of the pool */
if (details) {
persistent = virStoragePoolIsPersistent(pool);
vshDebug(ctl, VSH_ERR_DEBUG, "Persistent flag value: %d\n",
persistent);
if (persistent < 0)
poolInfoTexts[i].persistent = vshStrdup(ctl, _("unknown"));
else
poolInfoTexts[i].persistent = vshStrdup(ctl, persistent ?
_("yes") : _("no"));
/* Keep the length of persistent string if longest so far */
stringLength = strlen(poolInfoTexts[i].persistent);
if (stringLength > persistStrLength)
persistStrLength = stringLength;
}
/* Collect further extended information about the pool */
if (virStoragePoolGetInfo(pool, &info) != 0) {
/* Something went wrong retrieving pool info, cope with it */
vshError(ctl, "%s", _("Could not retrieve pool information"));
poolInfoTexts[i].state = vshStrdup(ctl, _("unknown"));
if (details) {
poolInfoTexts[i].capacity = vshStrdup(ctl, _("unknown"));
poolInfoTexts[i].allocation = vshStrdup(ctl, _("unknown"));
poolInfoTexts[i].available = vshStrdup(ctl, _("unknown"));
}
} else {
/* Decide which state string to display */
if (details) {
/* --details option was specified, we're using detailed state
* strings */
switch (info.state) {
case VIR_STORAGE_POOL_INACTIVE:
poolInfoTexts[i].state = vshStrdup(ctl, _("inactive"));
break;
case VIR_STORAGE_POOL_BUILDING:
poolInfoTexts[i].state = vshStrdup(ctl, _("building"));
break;
case VIR_STORAGE_POOL_RUNNING:
poolInfoTexts[i].state = vshStrdup(ctl, _("running"));
break;
case VIR_STORAGE_POOL_DEGRADED:
poolInfoTexts[i].state = vshStrdup(ctl, _("degraded"));
break;
case VIR_STORAGE_POOL_INACCESSIBLE:
poolInfoTexts[i].state = vshStrdup(ctl, _("inaccessible"));
break;
}
/* Create the pool size related strings */
if (info.state == VIR_STORAGE_POOL_RUNNING ||
info.state == VIR_STORAGE_POOL_DEGRADED) {
double val;
const char *unit;
/* Create the capacity output string */
val = vshPrettyCapacity(info.capacity, &unit);
ret = virAsprintf(&poolInfoTexts[i].capacity,
"%.2lf %s", val, unit);
if (ret < 0) {
/* An error occurred creating the string, return */
goto asprintf_failure;
}
/* Create the allocation output string */
val = vshPrettyCapacity(info.allocation, &unit);
ret = virAsprintf(&poolInfoTexts[i].allocation,
"%.2lf %s", val, unit);
if (ret < 0) {
/* An error occurred creating the string, return */
goto asprintf_failure;
}
/* Create the available space output string */
val = vshPrettyCapacity(info.available, &unit);
ret = virAsprintf(&poolInfoTexts[i].available,
"%.2lf %s", val, unit);
if (ret < 0) {
/* An error occurred creating the string, return */
goto asprintf_failure;
}
} else {
/* Capacity related information isn't available */
poolInfoTexts[i].capacity = vshStrdup(ctl, _("-"));
poolInfoTexts[i].allocation = vshStrdup(ctl, _("-"));
poolInfoTexts[i].available = vshStrdup(ctl, _("-"));
}
/* Keep the length of capacity string if longest so far */
stringLength = strlen(poolInfoTexts[i].capacity);
if (stringLength > capStrLength)
capStrLength = stringLength;
/* Keep the length of allocation string if longest so far */
stringLength = strlen(poolInfoTexts[i].allocation);
if (stringLength > allocStrLength)
allocStrLength = stringLength;
/* Keep the length of available string if longest so far */
stringLength = strlen(poolInfoTexts[i].available);
if (stringLength > availStrLength)
availStrLength = stringLength;
} else {
/* --details option was not specified, only active/inactive
* state strings are used */
if (info.state == VIR_STORAGE_POOL_INACTIVE)
poolInfoTexts[i].state = vshStrdup(ctl, _("inactive"));
else
poolInfoTexts[i].state = vshStrdup(ctl, _("active"));
}
}
/* Keep the length of name string if longest so far */
stringLength = strlen(poolNames[i]);
if (stringLength > nameStrLength)
nameStrLength = stringLength;
/* Keep the length of state string if longest so far */
stringLength = strlen(poolInfoTexts[i].state);
if (stringLength > stateStrLength)
stateStrLength = stringLength;
/* Keep the length of autostart string if longest so far */
stringLength = strlen(poolInfoTexts[i].autostart);
if (stringLength > autostartStrLength)
autostartStrLength = stringLength;
/* Free the pool object */
virStoragePoolFree(pool);
}
/* If the --details option wasn't selected, we output the pool
* info using the fixed string format from previous versions to
* maintain backward compatibility.
*/
/* Output basic info then return if --details option not selected */
if (!details) {
/* Output old style header */
vshPrintExtra(ctl, "%-20s %-10s %-10s\n", _("Name"), _("State"),
_("Autostart"));
vshPrintExtra(ctl, "-----------------------------------------\n");
/* Output old style pool info */
for (i = 0; i < numAllPools; i++) {
vshPrint(ctl, "%-20s %-10s %-10s\n",
poolNames[i],
poolInfoTexts[i].state,
poolInfoTexts[i].autostart);
}
/* Cleanup and return */
functionReturn = true;
goto cleanup;
}
/* We only get here if the --details option was selected. */
/* Use the length of name header string if it's longest */
stringLength = strlen(_("Name"));
if (stringLength > nameStrLength)
nameStrLength = stringLength;
/* Use the length of state header string if it's longest */
stringLength = strlen(_("State"));
if (stringLength > stateStrLength)
stateStrLength = stringLength;
/* Use the length of autostart header string if it's longest */
stringLength = strlen(_("Autostart"));
if (stringLength > autostartStrLength)
autostartStrLength = stringLength;
/* Use the length of persistent header string if it's longest */
stringLength = strlen(_("Persistent"));
if (stringLength > persistStrLength)
persistStrLength = stringLength;
/* Use the length of capacity header string if it's longest */
stringLength = strlen(_("Capacity"));
if (stringLength > capStrLength)
capStrLength = stringLength;
/* Use the length of allocation header string if it's longest */
stringLength = strlen(_("Allocation"));
if (stringLength > allocStrLength)
allocStrLength = stringLength;
/* Use the length of available header string if it's longest */
stringLength = strlen(_("Available"));
if (stringLength > availStrLength)
availStrLength = stringLength;
/* Display the string lengths for debugging. */
vshDebug(ctl, VSH_ERR_DEBUG, "Longest name string = %lu chars\n",
(unsigned long) nameStrLength);
vshDebug(ctl, VSH_ERR_DEBUG, "Longest state string = %lu chars\n",
(unsigned long) stateStrLength);
vshDebug(ctl, VSH_ERR_DEBUG, "Longest autostart string = %lu chars\n",
(unsigned long) autostartStrLength);
vshDebug(ctl, VSH_ERR_DEBUG, "Longest persistent string = %lu chars\n",
(unsigned long) persistStrLength);
vshDebug(ctl, VSH_ERR_DEBUG, "Longest capacity string = %lu chars\n",
(unsigned long) capStrLength);
vshDebug(ctl, VSH_ERR_DEBUG, "Longest allocation string = %lu chars\n",
(unsigned long) allocStrLength);
vshDebug(ctl, VSH_ERR_DEBUG, "Longest available string = %lu chars\n",
(unsigned long) availStrLength);
/* Create the output template. Each column is sized according to
* the longest string.
*/
char *outputStr;
ret = virAsprintf(&outputStr,
"%%-%lus %%-%lus %%-%lus %%-%lus %%%lus %%%lus %%%lus\n",
(unsigned long) nameStrLength,
(unsigned long) stateStrLength,
(unsigned long) autostartStrLength,
(unsigned long) persistStrLength,
(unsigned long) capStrLength,
(unsigned long) allocStrLength,
(unsigned long) availStrLength);
if (ret < 0) {
/* An error occurred creating the string, return */
goto asprintf_failure;
}
/* Display the header */
vshPrint(ctl, outputStr, _("Name"), _("State"), _("Autostart"),
_("Persistent"), _("Capacity"), _("Allocation"), _("Available"));
for (i = nameStrLength + stateStrLength + autostartStrLength
+ persistStrLength + capStrLength
+ allocStrLength + availStrLength
+ 12; i > 0; i--)
vshPrintExtra(ctl, "-");
vshPrintExtra(ctl, "\n");
/* Display the pool info rows */
for (i = 0; i < numAllPools; i++) {
vshPrint(ctl, outputStr,
poolNames[i],
poolInfoTexts[i].state,
poolInfoTexts[i].autostart,
poolInfoTexts[i].persistent,
poolInfoTexts[i].capacity,
poolInfoTexts[i].allocation,
poolInfoTexts[i].available);
}
/* Cleanup and return */
functionReturn = true;
goto cleanup;
asprintf_failure:
/* Display an appropriate error message then cleanup and return */
switch (errno) {
case ENOMEM:
/* Couldn't allocate memory */
vshError(ctl, "%s", _("Out of memory"));
break;
default:
/* Some other error */
vshError(ctl, _("virAsprintf failed (errno %d)"), errno);
}
functionReturn = false;
cleanup:
/* Safely free the memory allocated in this function */
for (i = 0; i < numAllPools; i++) {
/* Cleanup the memory for one pool info structure */
VIR_FREE(poolInfoTexts[i].state);
VIR_FREE(poolInfoTexts[i].autostart);
VIR_FREE(poolInfoTexts[i].persistent);
VIR_FREE(poolInfoTexts[i].capacity);
VIR_FREE(poolInfoTexts[i].allocation);
VIR_FREE(poolInfoTexts[i].available);
VIR_FREE(poolNames[i]);
}
/* Cleanup the memory for the initial arrays*/
VIR_FREE(poolInfoTexts);
VIR_FREE(poolNames);
/* Return the desired value */
return functionReturn;
}
/*
* "find-storage-pool-sources-as" command
*/
static const vshCmdInfo info_find_storage_pool_sources_as[] = {
{"help", N_("find potential storage pool sources")},
{"desc", N_("Returns XML <sources> document.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_find_storage_pool_sources_as[] = {
{"type", VSH_OT_DATA, VSH_OFLAG_REQ,
N_("type of storage pool sources to find")},
{"host", VSH_OT_DATA, VSH_OFLAG_NONE, N_("optional host to query")},
{"port", VSH_OT_DATA, VSH_OFLAG_NONE, N_("optional port to query")},
{"initiator", VSH_OT_DATA, VSH_OFLAG_NONE, N_("optional initiator IQN to use for query")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolDiscoverSourcesAs(vshControl * ctl, const vshCmd * cmd ATTRIBUTE_UNUSED)
{
const char *type = NULL, *host = NULL;
char *srcSpec = NULL;
char *srcList;
const char *initiator = NULL;
if (vshCommandOptString(cmd, "type", &type) <= 0 ||
vshCommandOptString(cmd, "host", &host) < 0 ||
vshCommandOptString(cmd, "initiator", &initiator) < 0) {
vshError(ctl,"%s", _("missing argument"));
return false;
}
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (host) {
const char *port = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (vshCommandOptString(cmd, "port", &port) < 0) {
vshError(ctl, "%s", _("missing argument"));
virBufferFreeAndReset(&buf);
return false;
}
virBufferAddLit(&buf, "<source>\n");
virBufferAsprintf(&buf, " <host name='%s'", host);
if (port)
virBufferAsprintf(&buf, " port='%s'", port);
virBufferAddLit(&buf, "/>\n");
if (initiator) {
virBufferAddLit(&buf, " <initiator>\n");
virBufferAsprintf(&buf, " <iqn name='%s'/>\n", initiator);
virBufferAddLit(&buf, " </initiator>\n");
}
virBufferAddLit(&buf, "</source>\n");
if (virBufferError(&buf)) {
vshError(ctl, "%s", _("Out of memory"));
return false;
}
srcSpec = virBufferContentAndReset(&buf);
}
srcList = virConnectFindStoragePoolSources(ctl->conn, type, srcSpec, 0);
VIR_FREE(srcSpec);
if (srcList == NULL) {
vshError(ctl, _("Failed to find any %s pool sources"), type);
return false;
}
vshPrint(ctl, "%s", srcList);
VIR_FREE(srcList);
return true;
}
/*
* "find-storage-pool-sources" command
*/
static const vshCmdInfo info_find_storage_pool_sources[] = {
{"help", N_("discover potential storage pool sources")},
{"desc", N_("Returns XML <sources> document.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_find_storage_pool_sources[] = {
{"type", VSH_OT_DATA, VSH_OFLAG_REQ,
N_("type of storage pool sources to discover")},
{"srcSpec", VSH_OT_DATA, VSH_OFLAG_NONE,
N_("optional file of source xml to query for pools")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolDiscoverSources(vshControl * ctl, const vshCmd * cmd ATTRIBUTE_UNUSED)
{
const char *type = NULL, *srcSpecFile = NULL;
char *srcSpec = NULL, *srcList;
if (vshCommandOptString(cmd, "type", &type) <= 0)
return false;
if (vshCommandOptString(cmd, "srcSpec", &srcSpecFile) < 0) {
vshError(ctl, "%s", _("missing option"));
return false;
}
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (srcSpecFile && virFileReadAll(srcSpecFile, VSH_MAX_XML_FILE,
&srcSpec) < 0)
return false;
srcList = virConnectFindStoragePoolSources(ctl->conn, type, srcSpec, 0);
VIR_FREE(srcSpec);
if (srcList == NULL) {
vshError(ctl, _("Failed to find any %s pool sources"), type);
return false;
}
vshPrint(ctl, "%s", srcList);
VIR_FREE(srcList);
return true;
}
/*
* "pool-info" command
*/
static const vshCmdInfo info_pool_info[] = {
{"help", N_("storage pool information")},
{"desc", N_("Returns basic information about the storage pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_info[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolInfo(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolInfo info;
virStoragePoolPtr pool;
int autostart = 0;
int persistent = 0;
bool ret = true;
char uuid[VIR_UUID_STRING_BUFLEN];
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", NULL)))
return false;
vshPrint(ctl, "%-15s %s\n", _("Name:"), virStoragePoolGetName(pool));
if (virStoragePoolGetUUIDString(pool, &uuid[0])==0)
vshPrint(ctl, "%-15s %s\n", _("UUID:"), uuid);
if (virStoragePoolGetInfo(pool, &info) == 0) {
double val;
const char *unit;
switch (info.state) {
case VIR_STORAGE_POOL_INACTIVE:
vshPrint(ctl, "%-15s %s\n", _("State:"),
_("inactive"));
break;
case VIR_STORAGE_POOL_BUILDING:
vshPrint(ctl, "%-15s %s\n", _("State:"),
_("building"));
break;
case VIR_STORAGE_POOL_RUNNING:
vshPrint(ctl, "%-15s %s\n", _("State:"),
_("running"));
break;
case VIR_STORAGE_POOL_DEGRADED:
vshPrint(ctl, "%-15s %s\n", _("State:"),
_("degraded"));
break;
case VIR_STORAGE_POOL_INACCESSIBLE:
vshPrint(ctl, "%-15s %s\n", _("State:"),
_("inaccessible"));
break;
}
/* Check and display whether the pool is persistent or not */
persistent = virStoragePoolIsPersistent(pool);
vshDebug(ctl, VSH_ERR_DEBUG, "Pool persistent flag value: %d\n",
persistent);
if (persistent < 0)
vshPrint(ctl, "%-15s %s\n", _("Persistent:"), _("unknown"));
else
vshPrint(ctl, "%-15s %s\n", _("Persistent:"), persistent ? _("yes") : _("no"));
/* Check and display whether the pool is autostarted or not */
virStoragePoolGetAutostart(pool, &autostart);
vshDebug(ctl, VSH_ERR_DEBUG, "Pool autostart flag value: %d\n",
autostart);
if (autostart < 0)
vshPrint(ctl, "%-15s %s\n", _("Autostart:"), _("no autostart"));
else
vshPrint(ctl, "%-15s %s\n", _("Autostart:"), autostart ? _("yes") : _("no"));
if (info.state == VIR_STORAGE_POOL_RUNNING ||
info.state == VIR_STORAGE_POOL_DEGRADED) {
val = vshPrettyCapacity(info.capacity, &unit);
vshPrint(ctl, "%-15s %2.2lf %s\n", _("Capacity:"), val, unit);
val = vshPrettyCapacity(info.allocation, &unit);
vshPrint(ctl, "%-15s %2.2lf %s\n", _("Allocation:"), val, unit);
val = vshPrettyCapacity(info.available, &unit);
vshPrint(ctl, "%-15s %2.2lf %s\n", _("Available:"), val, unit);
}
} else {
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-name" command
*/
static const vshCmdInfo info_pool_name[] = {
{"help", N_("convert a pool UUID to pool name")},
{"desc", ""},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_name[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolName(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPoolBy(ctl, cmd, "pool", NULL,
VSH_BYUUID)))
return false;
vshPrint(ctl, "%s\n", virStoragePoolGetName(pool));
virStoragePoolFree(pool);
return true;
}
/*
* "pool-start" command
*/
static const vshCmdInfo info_pool_start[] = {
{"help", N_("start a (previously defined) inactive pool")},
{"desc", N_("Start a pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_start[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("name or uuid of the inactive pool")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolStart(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
const char *name = NULL;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
if (virStoragePoolCreate(pool, 0) == 0) {
vshPrint(ctl, _("Pool %s started\n"), name);
} else {
vshError(ctl, _("Failed to start pool %s"), name);
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-undefine" command
*/
static const vshCmdInfo info_pool_undefine[] = {
{"help", N_("undefine an inactive pool")},
{"desc", N_("Undefine the configuration for an inactive pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_undefine[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolUndefine(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
bool ret = true;
const char *name;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPool(ctl, cmd, "pool", &name)))
return false;
if (virStoragePoolUndefine(pool) == 0) {
vshPrint(ctl, _("Pool %s has been undefined\n"), name);
} else {
vshError(ctl, _("Failed to undefine pool %s"), name);
ret = false;
}
virStoragePoolFree(pool);
return ret;
}
/*
* "pool-uuid" command
*/
static const vshCmdInfo info_pool_uuid[] = {
{"help", N_("convert a pool name to pool UUID")},
{"desc", ""},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_uuid[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolUuid(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
char uuid[VIR_UUID_STRING_BUFLEN];
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(pool = vshCommandOptPoolBy(ctl, cmd, "pool", NULL,
VSH_BYNAME)))
return false;
if (virStoragePoolGetUUIDString(pool, uuid) != -1)
vshPrint(ctl, "%s\n", uuid);
else
vshError(ctl, "%s", _("failed to get pool UUID"));
virStoragePoolFree(pool);
return true;
}
/*
* "pool-edit" command
*/
static const vshCmdInfo info_pool_edit[] = {
{"help", N_("edit XML configuration for a storage pool")},
{"desc", N_("Edit the XML configuration for a storage pool.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_pool_edit[] = {
{"pool", VSH_OT_DATA, VSH_OFLAG_REQ, N_("pool name or uuid")},
{NULL, 0, 0, NULL}
};
static bool
cmdPoolEdit(vshControl *ctl, const vshCmd *cmd)
{
bool ret = false;
virStoragePoolPtr pool = NULL;
virStoragePoolPtr pool_edited = NULL;
unsigned int flags = VIR_STORAGE_XML_INACTIVE;
char *tmp_desc = NULL;
if (!vshConnectionUsability(ctl, ctl->conn))
goto cleanup;
pool = vshCommandOptPool(ctl, cmd, "pool", NULL);
if (pool == NULL)
goto cleanup;
/* Some old daemons don't support _INACTIVE flag */
if (!(tmp_desc = virStoragePoolGetXMLDesc(pool, flags))) {
if (last_error->code == VIR_ERR_INVALID_ARG) {
flags &= ~VIR_STORAGE_XML_INACTIVE;
vshResetLibvirtError();
} else {
goto cleanup;
}
} else {
VIR_FREE(tmp_desc);
}
#define EDIT_GET_XML virStoragePoolGetXMLDesc(pool, flags)
#define EDIT_NOT_CHANGED \
vshPrint(ctl, _("Pool %s XML configuration not changed.\n"), \
virStoragePoolGetName(pool)); \
ret = true; goto edit_cleanup;
#define EDIT_DEFINE \
(pool_edited = virStoragePoolDefineXML(ctl->conn, doc_edited, 0))
#define EDIT_FREE \
if (pool_edited) \
virStoragePoolFree(pool_edited);
#include "virsh-edit.c"
vshPrint(ctl, _("Pool %s XML configuration edited.\n"),
virStoragePoolGetName(pool_edited));
ret = true;
cleanup:
if (pool)
virStoragePoolFree(pool);
if (pool_edited)
virStoragePoolFree(pool_edited);
return ret;
}
const vshCmdDef storagePoolCmds[] = {
{"find-storage-pool-sources-as", cmdPoolDiscoverSourcesAs,
opts_find_storage_pool_sources_as, info_find_storage_pool_sources_as, 0},
{"find-storage-pool-sources", cmdPoolDiscoverSources,
opts_find_storage_pool_sources, info_find_storage_pool_sources, 0},
{"pool-autostart", cmdPoolAutostart, opts_pool_autostart,
info_pool_autostart, 0},
{"pool-build", cmdPoolBuild, opts_pool_build, info_pool_build, 0},
{"pool-create-as", cmdPoolCreateAs, opts_pool_X_as, info_pool_create_as, 0},
{"pool-create", cmdPoolCreate, opts_pool_create, info_pool_create, 0},
{"pool-define-as", cmdPoolDefineAs, opts_pool_X_as, info_pool_define_as, 0},
{"pool-define", cmdPoolDefine, opts_pool_define, info_pool_define, 0},
{"pool-delete", cmdPoolDelete, opts_pool_delete, info_pool_delete, 0},
{"pool-destroy", cmdPoolDestroy, opts_pool_destroy, info_pool_destroy, 0},
{"pool-dumpxml", cmdPoolDumpXML, opts_pool_dumpxml, info_pool_dumpxml, 0},
{"pool-edit", cmdPoolEdit, opts_pool_edit, info_pool_edit, 0},
{"pool-info", cmdPoolInfo, opts_pool_info, info_pool_info, 0},
{"pool-list", cmdPoolList, opts_pool_list, info_pool_list, 0},
{"pool-name", cmdPoolName, opts_pool_name, info_pool_name, 0},
{"pool-refresh", cmdPoolRefresh, opts_pool_refresh, info_pool_refresh, 0},
{"pool-start", cmdPoolStart, opts_pool_start, info_pool_start, 0},
{"pool-undefine", cmdPoolUndefine, opts_pool_undefine,
info_pool_undefine, 0},
{"pool-uuid", cmdPoolUuid, opts_pool_uuid, info_pool_uuid, 0},
{NULL, NULL, NULL, NULL, 0}
};