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xen/21723-get-domu-state.patch

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# HG changeset patch
# User Ian Jackson <Ian.Jackson@eu.citrix.com>
# Date 1277819571 -3600
# Node ID a60c604b5829db6285ff89d8163478330ac12ee2
# Parent 7b00193bd0334606b6f6779c3f14a1667a952fe4
tools/xend, xm: add a command to get the state of VMs
add a command "domstate" to get the state of Vms, which may have one state of
{'shutoff', 'idle','shutdown','running','crashed','paused' or 'paused by
admin"}.
For case of pause, I distinguish it into two conditions. One is "paused" the
other is "paused by admin".
"pasued by admin" means that users pause a domain voluntary by "xm paused
VM" or " API"
Signed-off-by James (Song Wei) <jsong@novell.com>
Index: xen-4.0.0-testing/tools/python/xen/xend/XendDomain.py
===================================================================
--- xen-4.0.0-testing.orig/tools/python/xen/xend/XendDomain.py
+++ xen-4.0.0-testing/tools/python/xen/xend/XendDomain.py
@@ -250,6 +250,18 @@ class XendDomain:
@return: path to config file.
"""
return os.path.join(self._managed_path(domuuid), CACHED_CONFIG_FILE)
+ def domain_setpauseflag(self, dom, flag=False):
+ try:
+ dominfo = self.domain_lookup_nr(dom)
+ dominfo.paused_by_admin = flag
+ except Exception, err:
+ log.debug("error in in setpauseflag")
+ def domain_getpauseflag(self, dom):
+ try:
+ dominfo = self.domain_lookup_nr(dom)
+ return dominfo.paused_by_admin
+ except Exception, err:
+ log.debug("error in in getpauseflag")
def _managed_check_point_path(self, domuuid):
"""Returns absolute path to check point file for managed domain.
Index: xen-4.0.0-testing/tools/python/xen/xend/XendDomainInfo.py
===================================================================
--- xen-4.0.0-testing.orig/tools/python/xen/xend/XendDomainInfo.py
+++ xen-4.0.0-testing/tools/python/xen/xend/XendDomainInfo.py
@@ -327,6 +327,8 @@ class XendDomainInfo:
@type info: dictionary
@ivar domid: Domain ID (if VM has started)
@type domid: int or None
+ @ivar paused_by_admin: Is this Domain paused by command or API
+ @type paused_by_admin: bool
@ivar guest_bitsize: the bitsize of guest
@type guest_bitsize: int or None
@ivar alloc_mem: the memory domain allocated when booting
@@ -390,6 +392,7 @@ class XendDomainInfo:
self.domid = domid
self.guest_bitsize = None
self.alloc_mem = None
+ self.paused_by_admin = False
maxmem = self.info.get('memory_static_max', 0)
memory = self.info.get('memory_dynamic_max', 0)
Index: xen-4.0.0-testing/tools/python/xen/xend/server/SrvDomain.py
===================================================================
--- xen-4.0.0-testing.orig/tools/python/xen/xend/server/SrvDomain.py
+++ xen-4.0.0-testing/tools/python/xen/xend/server/SrvDomain.py
@@ -225,6 +225,20 @@ class SrvDomain(SrvDir):
self.acceptCommand(req)
return self.xd.domain_reset(self.dom.getName())
+ def op_do_get_pauseflag(self, op, req):
+ self.acceptCommand(req)
+ return req.threadRequest(self.do_get_pauseflag, op, req)
+
+ def do_get_pauseflag(self, _, req):
+ return self.xd.domain_getpauseflag(self.dom.getName(), req)
+
+ def op_do_set_pauseflag(self, op, req):
+ self.acceptCommand(req)
+ return req.threadRequest(self.do_set_pauseflag, op, req)
+
+ def do_set_pauseflag(self, _, req):
+ return self.xd.domain_setpauseflag(self.dom.getName(), req)
+
def op_usb_add(self, op, req):
self.acceptCommand(req)
return req.threadRequest(self.do_usb_add, op, req)
Index: xen-4.0.0-testing/tools/python/xen/xm/main.py
===================================================================
--- xen-4.0.0-testing.orig/tools/python/xen/xm/main.py
+++ xen-4.0.0-testing/tools/python/xen/xm/main.py
@@ -165,6 +165,8 @@ SUBCOMMAND_HELP = {
#usb
'usb-add' : ('<domain> <[host:bus.addr] [host:vendor_id:product_id]>','Add the usb device to FV VM.'),
'usb-del' : ('<domain> <[host:bus.addr] [host:vendor_id:product_id]>','Delete the usb device to FV VM.'),
+ #domstate
+ 'domstate' : ('<domain> ', 'get the state of a domain'),
# device commands
@@ -370,6 +372,7 @@ common_commands = [
"uptime",
"usb-add",
"usb-del",
+ "domstate",
"vcpu-set",
]
@@ -404,6 +407,7 @@ domain_commands = [
"uptime",
"usb-add",
"usb-del",
+ "domstate",
"vcpu-list",
"vcpu-pin",
"vcpu-set",
@@ -901,7 +905,6 @@ def getDomains(domain_names, state, full
return "-"
state_str = "".join([state_on_off(state)
for state in states])
-
dom_rec.update({'name': dom_rec['name_label'],
'memory_actual': int(dom_metrics_rec['memory_actual'])/1024,
'vcpus': dom_metrics_rec['VCPUs_number'],
@@ -1395,8 +1398,10 @@ def xm_pause(args):
if serverType == SERVER_XEN_API:
server.xenapi.VM.pause(get_single_vm(dom))
+ server.xenapi.VM.set_pauseflag(get_single_vm(dom), True)
else:
server.xend.domain.pause(dom)
+ server.xend.domain.setpauseflag(dom, True)
def xm_unpause(args):
arg_check(args, "unpause", 1)
@@ -1404,8 +1409,10 @@ def xm_unpause(args):
if serverType == SERVER_XEN_API:
server.xenapi.VM.unpause(get_single_vm(dom))
+ server.xenapi.VM.set_pauseflag(get_single_vm(dom), False)
else:
server.xend.domain.unpause(dom)
+ server.xend.domain.setpauseflag(dom, False)
def xm_dump_core(args):
live = False
@@ -1515,6 +1522,32 @@ def xm_usb_add(args):
arg_check(args, "usb-add", 2)
server.xend.domain.usb_add(args[0],args[1])
+def xm_domstate(args):
+ arg_check(args, "domstate", 1)
+ (opitons, params) = getopt.gnu_getopt(args, 's', ['domname='])
+ doms = getDomains(params, 'all')
+ d = parse_doms_info(doms[0])
+ state = d['state']
+ if state:
+ if state.find('s') > 0:
+ print 'shutoff'
+ elif state.find('b') > 0:
+ print 'idle'
+ elif state.find('d') > 0:
+ print 'shutdown'
+ elif state.find('r') > 0:
+ print 'running'
+ elif state.find('c') > 0:
+ print 'crashed'
+ elif state.find('p') > 0:
+ if server.xend.domain.getpauseflag(args[0]):
+ print 'paused by admin'
+ else:
+ print 'paused'
+ else:
+ print 'shutoff'
+ return
+
def xm_usb_del(args):
arg_check(args, "usb-del", 2)
server.xend.domain.usb_del(args[0],args[1])
@@ -3538,6 +3571,8 @@ commands = {
#usb
"usb-add": xm_usb_add,
"usb-del": xm_usb_del,
+ #domstate
+ "domstate": xm_domstate,
}
## The commands supported by a separate argument parser in xend.xm.
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