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https://gitlab.com/libvirt/libvirt.git
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virsh: New command cmdChangeMedia
One could use it to eject, insert, or update media of the CDROM or floppy drive. See the documentation for more details.
This commit is contained in:
parent
42accf1b67
commit
33855f5d04
134
tools/virsh.c
134
tools/virsh.c
@ -14669,6 +14669,139 @@ cmdDetachDisk(vshControl *ctl, const vshCmd *cmd)
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return functionReturn;
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return functionReturn;
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}
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}
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/*
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* "change-media" command
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*/
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static const vshCmdInfo info_change_media[] = {
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{"help", N_("Change media of CD or floppy drive")},
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{"desc", N_("Change media of CD or floppy drive.")},
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{NULL, NULL}
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};
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static const vshCmdOptDef opts_change_media[] = {
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{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
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{"path", VSH_OT_DATA, VSH_OFLAG_REQ, N_("Fully-qualified path or "
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"target of disk device")},
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{"source", VSH_OT_DATA, 0, N_("source of the media")},
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{"eject", VSH_OT_BOOL, 0, N_("Eject the media")},
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{"insert", VSH_OT_BOOL, 0, N_("Insert the media")},
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{"update", VSH_OT_BOOL, 0, N_("Update the media")},
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{"current", VSH_OT_BOOL, 0, N_("can be either or both of --live and --config, "
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"depends on implementation of hypervisor driver")},
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{"live", VSH_OT_BOOL, 0, N_("alter live configuration of running domain")},
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{"config", VSH_OT_BOOL, 0, N_("alter persistent configuration, effect observed on next boot")},
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{"force", VSH_OT_BOOL, 0, N_("force media insertion")},
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{NULL, 0, 0, NULL}
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};
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static bool
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cmdChangeMedia(vshControl *ctl, const vshCmd *cmd)
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{
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virDomainPtr dom = NULL;
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const char *source = NULL;
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const char *path = NULL;
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const char *doc = NULL;
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xmlNodePtr disk_node = NULL;
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const char *disk_xml = NULL;
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int flags = 0;
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bool config, live, current, force = false;
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bool eject, insert, update = false;
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bool ret = false;
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int prepare_type = 0;
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const char *action = NULL;
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config = vshCommandOptBool(cmd, "config");
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live = vshCommandOptBool(cmd, "live");
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current = vshCommandOptBool(cmd, "current");
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force = vshCommandOptBool(cmd, "force");
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eject = vshCommandOptBool(cmd, "eject");
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insert = vshCommandOptBool(cmd, "insert");
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update = vshCommandOptBool(cmd, "update");
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if (eject + insert + update > 1) {
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vshError(ctl, "%s", _("--eject, --insert, and --update must be specified "
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"exclusively."));
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return false;
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}
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if (eject) {
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prepare_type = VSH_PREPARE_DISK_XML_EJECT;
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action = "eject";
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}
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if (insert) {
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prepare_type = VSH_PREPARE_DISK_XML_INSERT;
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action = "insert";
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}
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if (update || (!eject && !insert)) {
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prepare_type = VSH_PREPARE_DISK_XML_UPDATE;
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action = "update";
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}
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if (current) {
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if (live || config) {
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vshError(ctl, "%s", _("--current must be specified exclusively"));
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return false;
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}
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flags = VIR_DOMAIN_AFFECT_CURRENT;
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} else {
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if (config)
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flags |= VIR_DOMAIN_AFFECT_CONFIG;
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if (live)
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flags |= VIR_DOMAIN_AFFECT_LIVE;
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}
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if (force)
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flags |= VIR_DOMAIN_DEVICE_MODIFY_FORCE;
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if (!vshConnectionUsability(ctl, ctl->conn))
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goto cleanup;
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if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
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goto cleanup;
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if (vshCommandOptString(cmd, "path", &path) <= 0)
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goto cleanup;
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if (vshCommandOptString(cmd, "source", &source) < 0)
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goto cleanup;
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if (insert && !source) {
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vshError(ctl, "%s", _("No disk source specified for inserting"));
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goto cleanup;
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}
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if (flags & VIR_DOMAIN_AFFECT_CONFIG)
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doc = virDomainGetXMLDesc(dom, VIR_DOMAIN_XML_INACTIVE);
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else
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doc = virDomainGetXMLDesc(dom, 0);
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if (!doc)
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goto cleanup;
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if (!(disk_node = vshFindDisk(doc, path, VSH_FIND_DISK_CHANGEABLE)))
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goto cleanup;
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if (!(disk_xml = vshPrepareDiskXML(disk_node, source, path, prepare_type)))
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goto cleanup;
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if (virDomainUpdateDeviceFlags(dom, disk_xml, flags) != 0) {
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vshError(ctl, _("Failed to complete action %s on media"), action);
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goto cleanup;
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}
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vshPrint(ctl, _("succeeded to complete action %s on media\n"), action);
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ret = true;
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cleanup:
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VIR_FREE(doc);
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xmlFreeNode(disk_node);
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VIR_FREE(disk_xml);
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if (dom)
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virDomainFree(dom);
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return ret;
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}
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/*
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/*
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* "cpu-compare" command
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* "cpu-compare" command
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*/
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*/
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@ -16762,6 +16895,7 @@ static const vshCmdDef domManagementCmds[] = {
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{"blockpull", cmdBlockPull, opts_block_pull, info_block_pull, 0},
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{"blockpull", cmdBlockPull, opts_block_pull, info_block_pull, 0},
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{"blockjob", cmdBlockJob, opts_block_job, info_block_job, 0},
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{"blockjob", cmdBlockJob, opts_block_job, info_block_job, 0},
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{"blockresize", cmdBlockResize, opts_block_resize, info_block_resize, 0},
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{"blockresize", cmdBlockResize, opts_block_resize, info_block_resize, 0},
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{"change-media", cmdChangeMedia, opts_change_media, info_change_media, 0},
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#ifndef WIN32
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#ifndef WIN32
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{"console", cmdConsole, opts_console, info_console, 0},
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{"console", cmdConsole, opts_console, info_console, 0},
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#endif
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#endif
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@ -1515,6 +1515,32 @@ option can be used to force device update, e.g., to eject a CD-ROM even if it
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is locked/mounted in the domain. See the documentation to learn about libvirt
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is locked/mounted in the domain. See the documentation to learn about libvirt
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XML format for a device.
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XML format for a device.
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=item B<change-media> I<domain-id> I<path> [I<--eject>] [I<--insert>]
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[I<--update>] [I<source>] [I<--force>] [[I<--live>] [I<--config>] | [I<--current>]]
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Change media of CDROM or floppy drive. I<path> can be the fully-qualified path
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or the unique target name (<target dev='hdc'>) of the disk device. I<source>
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specifies the path of the media to be inserted or updated.
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I<--eject> indicates the media will be ejected.
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I<--insert> indicates the media will be inserted. I<source> must be specified.
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If the device has source (e.g. <source file='media'>), and I<source> is not
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specified, I<--update> is equal to I<--eject>. If the device has no source,
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and I<source> is specified, I<--update> is equal to I<--insert>. If the device
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has source, and I<source> is specified, I<--update> behaves like combination
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of I<--eject> and I<--insert>.
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If none of I<--eject>, I<--insert>, and I<--update> is specified, I<--update>
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is used by default.
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The I<--force> option can be used to force media changing.
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If I<--live> is specified, alter live configuration of running guest.
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If I<--config> is specified, alter persistent configuration, effect observed
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on next boot.
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I<--current> can be either or both of I<live> and I<config>, depends on
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the hypervisor's implementation.
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Both I<--live> and I<--config> flags may be given, but I<--current> is
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exclusive. If no flag is specified, behavior is different depending
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on hypervisor.
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=back
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=back
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=head1 NODEDEV COMMANDS
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=head1 NODEDEV COMMANDS
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