[libvirt] [PATCH 5/5] block_resize: Expose the new API to virsh
---
tools/virsh.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/virsh.pod | 6 +++++
2 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/tools/virsh.c b/tools/virsh.c
index 6ed249b..27ecaf3 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -6028,6 +6028,63 @@ cmdBlockJob(vshControl *ctl, const vshCmd *cmd)
return true;
}
+/*
+ * "blockresize" command
+ */
+static const vshCmdInfo info_block_resize[] = {
+ {"help", N_("Resize block device of domain.")},
+ {"desc", N_("Resize block device of domain.")},
+ {NULL, NULL}
+};
+
+static const vshCmdOptDef opts_block_resize[] = {
+ {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or
uuid")},
+ {"path", VSH_OT_DATA, VSH_OFLAG_REQ, N_("Fully-qualified source path
or device "
+ "target shorthand of the block
device")},
+ {"size", VSH_OT_INT, VSH_OFLAG_REQ, N_("New size of the block device
in kilobytes, "
+ "the size must be integer")},
+ {NULL, 0, 0, NULL}
+};
+
+static bool
+cmdBlockResize(vshControl *ctl, const vshCmd *cmd)
+{
+ virDomainPtr dom;
+ const char *path = NULL;
+ unsigned long long size = 0;
+ unsigned int flags = 0;
+ int ret = false;
+
+ if (!vshConnectionUsability(ctl, ctl->conn))
+ return false;
+
+ if (vshCommandOptString(cmd, "path", (const char **) &path) < 0) {
+ vshError(ctl, "%s", _("Path must not be empty"));
+ return false;
+ }
+
+ if (vshCommandOptULongLong(cmd, "size", &size) < 0) {
+ vshError(ctl, "%s", _("Unable to parse integer"));
+ return false;
+ }
+
+ if (size > ULLONG_MAX / 1024) {
+ vshError(ctl, _("Size must be less than %llu"), ULLONG_MAX / 1024);
+ return false;
+ }
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
+ return false;
+
+ if (virDomainBlockResize(dom, path, size, flags) < 0) {
+ vshError(ctl, _("Failed to resize block device '%s'"), path);
+ } else {
+ vshPrint(ctl, _("Block device '%s' is resized"), path);
+ ret = true;
+ }
+
+ virDomainFree(dom);
+ return ret;
+}
/*
* "net-autostart" command
@@ -14698,6 +14755,7 @@ static const vshCmdDef domManagementCmds[] = {
{"blkiotune", cmdBlkiotune, opts_blkiotune, info_blkiotune, 0},
{"blockpull", cmdBlockPull, opts_block_pull, info_block_pull, 0},
{"blockjob", cmdBlockJob, opts_block_job, info_block_job, 0},
+ {"blockresize", cmdBlockResize, opts_block_resize, info_block_resize, 0},
#ifndef WIN32
{"console", cmdConsole, opts_console, info_console, 0},
#endif
diff --git a/tools/virsh.pod b/tools/virsh.pod
index db872dd..a5758f4 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -583,6 +583,12 @@ If I<--info> is specified, the active job information on the
specified
disk will be printed.
I<bandwidth> can be used to set bandwidth limit for the active job.
+=item B<blockresize> I<domain> I<--path> I<--size>
+
+Resize a block device of domain while the domain is running, I<--path>
+specifies fully-qualified source path or device target shorthand of
+the block device, I<--size> specifies the new size in kilobytes.
+
=item B<dominfo> I<domain-id>
Returns basic information about the domain.
--
1.7.7.3