mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2025-01-09 01:18:00 +03:00
virsh: snapshot: remove pointless cleanup labels
Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Ján Tomko
parent
602fe72b3e
commit
630b0dd6c3
@ -41,7 +41,6 @@ static bool
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virshSnapshotCreate(vshControl *ctl, virDomainPtr dom, const char *buffer,
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unsigned int flags, const char *from)
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{
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bool ret = false;
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g_autoptr(virshDomainSnapshot) snapshot = NULL;
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bool halt = false;
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const char *name = NULL;
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@ -64,12 +63,12 @@ virshSnapshotCreate(vshControl *ctl, virDomainPtr dom, const char *buffer,
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persistent = virDomainIsPersistent(dom);
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if (persistent < 0) {
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vshReportError(ctl);
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goto cleanup;
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return false;
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}
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if (!persistent) {
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vshError(ctl, "%s",
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_("cannot halt after snapshot of transient domain"));
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goto cleanup;
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return false;
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}
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if (virDomainIsActive(dom) == 1)
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halt = true;
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@ -78,17 +77,17 @@ virshSnapshotCreate(vshControl *ctl, virDomainPtr dom, const char *buffer,
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}
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if (snapshot == NULL)
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goto cleanup;
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return false;
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if (halt && virDomainDestroy(dom) < 0) {
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vshReportError(ctl);
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goto cleanup;
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return false;
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}
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name = virDomainSnapshotGetName(snapshot);
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if (!name) {
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vshError(ctl, "%s", _("Could not get snapshot name"));
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goto cleanup;
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return false;
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}
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if (from)
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@ -96,10 +95,7 @@ virshSnapshotCreate(vshControl *ctl, virDomainPtr dom, const char *buffer,
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else
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vshPrintExtra(ctl, _("Domain snapshot %s created"), name);
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ret = true;
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cleanup:
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return ret;
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return true;
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}
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/*
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@ -162,7 +158,6 @@ static bool
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cmdSnapshotCreate(vshControl *ctl, const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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bool ret = false;
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const char *from = NULL;
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g_autofree char *buffer = NULL;
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unsigned int flags = 0;
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@ -189,23 +184,20 @@ cmdSnapshotCreate(vshControl *ctl, const vshCmd *cmd)
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flags |= VIR_DOMAIN_SNAPSHOT_CREATE_VALIDATE;
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if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
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goto cleanup;
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return false;
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if (vshCommandOptStringReq(ctl, cmd, "xmlfile", &from) < 0)
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goto cleanup;
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return false;
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if (!from) {
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buffer = g_strdup("<domainsnapshot/>");
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} else {
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if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {
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vshSaveLibvirtError();
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goto cleanup;
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return false;
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}
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}
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ret = virshSnapshotCreate(ctl, dom, buffer, flags, from);
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cleanup:
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return ret;
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return virshSnapshotCreate(ctl, dom, buffer, flags, from);
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}
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/*
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@ -386,7 +378,6 @@ static bool
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cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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bool ret = false;
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g_autofree char *buffer = NULL;
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const char *name = NULL;
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const char *desc = NULL;
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@ -417,7 +408,7 @@ cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
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if (vshCommandOptStringReq(ctl, cmd, "name", &name) < 0 ||
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vshCommandOptStringReq(ctl, cmd, "description", &desc) < 0)
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goto cleanup;
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return false;
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virBufferAddLit(&buf, "<domainsnapshot>\n");
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virBufferAdjustIndent(&buf, 2);
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@ -425,17 +416,17 @@ cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
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virBufferEscapeString(&buf, "<description>%s</description>\n", desc);
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if (vshCommandOptStringReq(ctl, cmd, "memspec", &memspec) < 0)
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goto cleanup;
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return false;
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if (memspec && virshParseSnapshotMemspec(ctl, &buf, memspec) < 0)
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goto cleanup;
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return false;
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if (vshCommandOptBool(cmd, "diskspec")) {
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virBufferAddLit(&buf, "<disks>\n");
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virBufferAdjustIndent(&buf, 2);
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while ((opt = vshCommandOptArgv(ctl, cmd, opt))) {
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if (virshParseSnapshotDiskspec(ctl, &buf, opt->data) < 0)
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goto cleanup;
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return false;
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}
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virBufferAdjustIndent(&buf, -2);
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virBufferAddLit(&buf, "</disks>\n");
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@ -447,14 +438,10 @@ cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
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if (vshCommandOptBool(cmd, "print-xml")) {
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vshPrint(ctl, "%s\n", buffer);
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ret = true;
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goto cleanup;
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return true;
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}
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ret = virshSnapshotCreate(ctl, dom, buffer, flags, NULL);
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cleanup:
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return ret;
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return virshSnapshotCreate(ctl, dom, buffer, flags, NULL);
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}
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/* Helper for resolving {--current | --ARG name} into a snapshot
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@ -789,11 +776,11 @@ virshSnapshotFilter(vshControl *ctl, virDomainSnapshotPtr snapshot,
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xml = virDomainSnapshotGetXMLDesc(snapshot, 0);
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if (!xml)
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goto cleanup;
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return -1;
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xmldoc = virXMLParseStringCtxt(xml, _("(domain_snapshot)"), &ctxt);
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if (!xmldoc)
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goto cleanup;
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return -1;
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/* Libvirt 1.0.1 and newer never call this function, because the
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* filtering is already supported by the listing functions. Older
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@ -803,7 +790,7 @@ virshSnapshotFilter(vshControl *ctl, virDomainSnapshotPtr snapshot,
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state = virXPathString("string(/domainsnapshot/state)", ctxt);
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if (!state) {
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vshError(ctl, "%s", _("unable to perform snapshot filtering"));
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goto cleanup;
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return -1;
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}
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if (STREQ(state, "disk-snapshot")) {
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ret = ((flags & (VIR_DOMAIN_SNAPSHOT_LIST_DISK_ONLY |
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@ -819,7 +806,6 @@ virshSnapshotFilter(vshControl *ctl, virDomainSnapshotPtr snapshot,
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ret = !!(flags & VIR_DOMAIN_SNAPSHOT_LIST_ACTIVE);
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}
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cleanup:
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return ret;
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}
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@ -859,7 +845,6 @@ cmdSnapshotInfo(vshControl *ctl, const vshCmd *cmd)
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g_autofree char *state = NULL;
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int external;
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g_autofree char *parent = NULL;
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bool ret = false;
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int count;
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unsigned int flags;
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int current;
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@ -872,7 +857,7 @@ cmdSnapshotInfo(vshControl *ctl, const vshCmd *cmd)
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if (virshLookupSnapshot(ctl, cmd, "snapshotname", true, dom,
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&snapshot, &name) < 0)
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goto cleanup;
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return false;
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vshPrint(ctl, "%-15s %s\n", _("Name:"), name);
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vshPrint(ctl, "%-15s %s\n", _("Domain:"), virDomainGetName(dom));
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@ -897,17 +882,17 @@ cmdSnapshotInfo(vshControl *ctl, const vshCmd *cmd)
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* state of the machine at the time of the snapshot. */
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doc = virDomainSnapshotGetXMLDesc(snapshot, 0);
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if (!doc)
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goto cleanup;
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return false;
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xmldoc = virXMLParseStringCtxt(doc, _("(domain_snapshot)"), &ctxt);
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if (!xmldoc)
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goto cleanup;
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return false;
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state = virXPathString("string(/domainsnapshot/state)", ctxt);
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if (!state) {
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vshError(ctl, "%s",
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_("unexpected problem reading snapshot xml"));
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goto cleanup;
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return false;
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}
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vshPrint(ctl, "%-15s %s\n", _("State:"), state);
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@ -933,7 +918,7 @@ cmdSnapshotInfo(vshControl *ctl, const vshCmd *cmd)
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if (external < 0) {
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vshError(ctl, "%s",
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_("unexpected problem reading snapshot xml"));
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goto cleanup;
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return false;
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}
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vshPrint(ctl, "%-15s %s\n", _("Location:"),
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external ? _("external") : _("internal"));
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@ -946,24 +931,22 @@ cmdSnapshotInfo(vshControl *ctl, const vshCmd *cmd)
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/* Children, Descendants. After this point, the fallback to
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* compute children is too expensive, so we gracefully quit if the
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* APIs don't exist. */
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if (priv->useSnapshotOld) {
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ret = true;
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goto cleanup;
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}
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if (priv->useSnapshotOld)
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return true;
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flags = 0;
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count = virDomainSnapshotNumChildren(snapshot, flags);
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if (count < 0) {
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if (last_error->code == VIR_ERR_NO_SUPPORT) {
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vshResetLibvirtError();
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ret = true;
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return true;
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}
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goto cleanup;
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return false;
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}
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vshPrint(ctl, "%-15s %d\n", _("Children:"), count);
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flags = VIR_DOMAIN_SNAPSHOT_LIST_DESCENDANTS;
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count = virDomainSnapshotNumChildren(snapshot, flags);
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if (count < 0)
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goto cleanup;
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return false;
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vshPrint(ctl, "%-15s %d\n", _("Descendants:"), count);
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/* Metadata; the fallback here relies on the fact that metadata
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@ -978,10 +961,7 @@ cmdSnapshotInfo(vshControl *ctl, const vshCmd *cmd)
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vshPrint(ctl, "%-15s %s\n", _("Metadata:"),
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metadata ? _("yes") : _("no"));
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ret = true;
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cleanup:
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return ret;
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return true;
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}
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/* Helpers for collecting a list of snapshots. */
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@ -1644,7 +1624,6 @@ static bool
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cmdSnapshotDumpXML(vshControl *ctl, const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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bool ret = false;
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const char *name = NULL;
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g_autoptr(virshDomainSnapshot) snapshot = NULL;
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g_autofree char *xml = NULL;
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@ -1660,16 +1639,13 @@ cmdSnapshotDumpXML(vshControl *ctl, const vshCmd *cmd)
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return false;
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if (!(snapshot = virDomainSnapshotLookupByName(dom, name, 0)))
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goto cleanup;
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return false;
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if (!(xml = virDomainSnapshotGetXMLDesc(snapshot, flags)))
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goto cleanup;
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return false;
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vshPrint(ctl, "%s", xml);
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ret = true;
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cleanup:
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return ret;
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return true;
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}
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/*
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@ -1700,32 +1676,28 @@ static bool
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cmdSnapshotParent(vshControl *ctl, const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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bool ret = false;
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const char *name = NULL;
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g_autoptr(virshDomainSnapshot) snapshot = NULL;
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g_autofree char *parent = NULL;
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dom = virshCommandOptDomain(ctl, cmd, NULL);
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if (dom == NULL)
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goto cleanup;
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return false;
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if (virshLookupSnapshot(ctl, cmd, "snapshotname", true, dom,
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&snapshot, &name) < 0)
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goto cleanup;
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return false;
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if (virshGetSnapshotParent(ctl, snapshot, &parent) < 0)
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goto cleanup;
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return false;
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if (!parent) {
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vshError(ctl, _("snapshot '%s' has no parent"), name);
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goto cleanup;
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return false;
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}
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vshPrint(ctl, "%s", parent);
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ret = true;
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cleanup:
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return ret;
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return true;
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}
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/*
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@ -1768,7 +1740,6 @@ static bool
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cmdDomainSnapshotRevert(vshControl *ctl, const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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bool ret = false;
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const char *name = NULL;
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g_autoptr(virshDomainSnapshot) snapshot = NULL;
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unsigned int flags = 0;
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@ -1788,11 +1759,11 @@ cmdDomainSnapshotRevert(vshControl *ctl, const vshCmd *cmd)
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dom = virshCommandOptDomain(ctl, cmd, NULL);
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if (dom == NULL)
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goto cleanup;
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return false;
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if (virshLookupSnapshot(ctl, cmd, "snapshotname", true, dom,
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&snapshot, &name) < 0)
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goto cleanup;
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return false;
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result = virDomainRevertToSnapshot(snapshot, flags);
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if (result < 0 && force &&
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@ -1802,13 +1773,9 @@ cmdDomainSnapshotRevert(vshControl *ctl, const vshCmd *cmd)
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result = virDomainRevertToSnapshot(snapshot, flags);
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}
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if (result < 0)
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goto cleanup;
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return false;
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ret = true;
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cleanup:
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return ret;
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return true;
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}
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/*
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@ -1851,18 +1818,17 @@ static bool
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cmdSnapshotDelete(vshControl *ctl, const vshCmd *cmd)
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{
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g_autoptr(virshDomain) dom = NULL;
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bool ret = false;
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const char *name = NULL;
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g_autoptr(virshDomainSnapshot) snapshot = NULL;
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unsigned int flags = 0;
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dom = virshCommandOptDomain(ctl, cmd, NULL);
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if (dom == NULL)
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goto cleanup;
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return false;
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if (virshLookupSnapshot(ctl, cmd, "snapshotname", true, dom,
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&snapshot, &name) < 0)
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goto cleanup;
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return false;
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if (vshCommandOptBool(cmd, "children"))
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flags |= VIR_DOMAIN_SNAPSHOT_DELETE_CHILDREN;
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@ -1881,14 +1847,10 @@ cmdSnapshotDelete(vshControl *ctl, const vshCmd *cmd)
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vshPrintExtra(ctl, _("Domain snapshot %s deleted\n"), name);
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} else {
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vshError(ctl, _("Failed to delete snapshot %s"), name);
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goto cleanup;
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return false;
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}
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ret = true;
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cleanup:
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return ret;
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return true;
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}
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const vshCmdDef snapshotCmds[] = {
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