parallelvirtualcluster/pvc
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Systematize logging output

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This commit is contained in:
Joshua Boniface
2018-06-04 00:55:54 -04:00
parent 7b427a8730
commit 89e7a2b5b3
1 changed files with 13 additions and 12 deletions
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25
VMInstance.py
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@@ -23,7 +23,7 @@ class VMInstance:
libvirt_name = "qemu:///system" libvirt_name = "qemu:///system"
conn = libvirt.open(libvirt_name) conn = libvirt.open(libvirt_name)
if conn == None: if conn == None:
print('>>> Failed to open local libvirt connection.') print('>>> %s - Failed to open local libvirt connection.' % self.domuuid)
exit(1) exit(1)
try: try:
@@ -55,12 +55,12 @@ class VMInstance:
# Start up the VM # Start up the VM
def start_vm(self, conn, xmlconfig): def start_vm(self, conn, xmlconfig):
print(">>> Starting VM %s" % self.domuuid) print(">>> %s - Starting VM" % self.domuuid)
self.instart = True self.instart = True
try: try:
dom = conn.createXML(xmlconfig, 0) dom = conn.createXML(xmlconfig, 0)
except libvirt.libvirtError as e: except libvirt.libvirtError as e:
print('>>> Failed to create domain %s' % self.domuuid) print('>>> %s - Failed to create VM' % self.domuuid)
self.zk.set(self.zkey + '/state', 'stop'.encode('ascii')) self.zk.set(self.zkey + '/state', 'stop'.encode('ascii'))
if not self.domuuid in self.thishypervisor.domain_list: if not self.domuuid in self.thishypervisor.domain_list:
@@ -71,7 +71,7 @@ class VMInstance:
# Stop the VM forcibly # Stop the VM forcibly
def stop_vm(self): def stop_vm(self):
print(">>> Forcibly stopping VM %s" % self.domuuid) print(">>> %s - Forcibly stopping VM" % self.domuuid)
self.instop = True self.instop = True
self.dom.destroy() self.dom.destroy()
if self.domuuid in self.thishypervisor.domain_list: if self.domuuid in self.thishypervisor.domain_list:
@@ -86,7 +86,7 @@ class VMInstance:
# Shutdown the VM gracefully # Shutdown the VM gracefully
def shutdown_vm(self): def shutdown_vm(self):
print(">>> Stopping VM %s" % self.domuuid) print(">>> %s - Gracefully stopping VM" % self.domuuid)
self.inshutdown = True self.inshutdown = True
self.dom.shutdown() self.dom.shutdown()
try: try:
@@ -96,6 +96,7 @@ class VMInstance:
time.sleep(0.5) time.sleep(0.5)
if tick >= 60: if tick >= 60:
print(">>> %s - Shutdown timeout expired" % self.domuuid)
self.stop_vm() self.stop_vm()
self.inshutdown = False self.inshutdown = False
return return
@@ -114,14 +115,14 @@ class VMInstance:
# Migrate the VM to a target host # Migrate the VM to a target host
def migrate_vm(self): def migrate_vm(self):
print('>>> Migrating %s to %s' % (self.domuuid, self.hypervisor)) print('>>> %s - Migrating VM to %s' % (self.domuuid, self.hypervisor))
self.inmigrate = True self.inmigrate = True
try: try:
dest_conn = libvirt.open('qemu+tcp://%s/system' % self.hypervisor) dest_conn = libvirt.open('qemu+tcp://%s/system' % self.hypervisor)
if dest_conn == None: if dest_conn == None:
raise raise
except: except:
print('>>> Failed to open connection to qemu+tcp://%s/system' % self.hypervisor) print('>>> %s - Failed to open connection to qemu+tcp://%s/system; aborting migration' % self.hypervisor)
self.zk.set(self.zkey + '/hypervisor', self.thishypervisor.name.encode('ascii')) self.zk.set(self.zkey + '/hypervisor', self.thishypervisor.name.encode('ascii'))
self.zk.set(self.zkey + '/state', 'start'.encode('ascii')) self.zk.set(self.zkey + '/state', 'start'.encode('ascii'))
return return
@@ -130,9 +131,9 @@ class VMInstance:
target_dom = self.dom.migrate(dest_conn, libvirt.VIR_MIGRATE_LIVE, None, None, 0) target_dom = self.dom.migrate(dest_conn, libvirt.VIR_MIGRATE_LIVE, None, None, 0)
if target_dom == None: if target_dom == None:
raise raise
print('>>> Migrated successfully') print('>>> %s - Migrated successfully' % self.domuuid)
except: except:
print('>>> Could not migrate to the new domain; forcing away uncleanly') print('>>> %s - Could not live migrate VM; forcing away uncleanly' % self.domuuid)
self.stop_vm() self.stop_vm()
time.sleep(0.5) time.sleep(0.5)
self.zk.set(self.zkey + '/state', 'start'.encode('ascii')) self.zk.set(self.zkey + '/state', 'start'.encode('ascii'))
@@ -147,7 +148,7 @@ class VMInstance:
# Receive the migration from another host (wait until VM is running) # Receive the migration from another host (wait until VM is running)
def receive_migrate(self, conn): def receive_migrate(self, conn):
print('>>> Receiving migration of %s' % self.domuuid) print('>>> %s - Receiving migration' % self.domuuid)
self.inreceive = True self.inreceive = True
while True: while True:
try: try:
@@ -162,7 +163,7 @@ class VMInstance:
self.zk.set(self.zkey + '/state', 'start'.encode('ascii')) self.zk.set(self.zkey + '/state', 'start'.encode('ascii'))
if not self.domuuid in self.thishypervisor.domain_list: if not self.domuuid in self.thishypervisor.domain_list:
self.thishypervisor.domain_list.append(self.domuuid) self.thishypervisor.domain_list.append(self.domuuid)
print('>>> Migrated successfully') print('>>> %s - Migrated successfully' % self.domuuid)
self.inreceive = False self.inreceive = False
# #
@@ -173,7 +174,7 @@ class VMInstance:
libvirt_name = "qemu:///system" libvirt_name = "qemu:///system"
conn = libvirt.open(libvirt_name) conn = libvirt.open(libvirt_name)
if conn == None: if conn == None:
print('>>> Failed to open local libvirt connection.') print('>>> %s - Failed to open local libvirt connection.' % self.domuuid)
exit(1) exit(1)
# Check the current state of the VM # Check the current state of the VM