#!/usr/bin/python
-import os,sys
+import os
+import sys
+import signal
+import time
+import tempfile
+import select
import base64
+import traceback
from Test import Test
from qa import utils
+from qa.Nodes import Node, Nodes
image_types = ['node-iso', 'node-usb', 'generic-iso', 'generic-usb']
+def killqemu(pid):
+ try:
+ os.kill(pid, signal.SIGKILL)
+ os.waitpid(pid,os.WNOHANG)
+ except:
+ pass
+
class boot_node(Test):
"""
Attempts to boot the specified node using qemu.
"""
- def call(self, hostname, image_type = 'node-iso', disk_size="4G"):
- api = self.config.api
- auth = self.config.auth
- tdir = "/tmp/"
-
+ def state_nanny(self):
+ hostname = self.hostname
+ nodes = self.config.api.GetNodes(self.config.auth, [hostname], ['boot_state'])
+ node = nodes[0]
+ boot_state = node['boot_state']
+ if True or self.config.verbose:
+ utils.header("%(hostname)s boot_state is %(boot_state)s" % locals(), False, self.config.logfile)
+
+ if boot_state in ['boot']:
+ self.exit = True
+
+ if self.config.verbose:
+ if boot_state in ['boot']:
+ utils.header("%(hostname)s correctly installed and booted" % locals(), False, self.config.logfile)
+ else:
+ utils.header("%(hostname)s not fully booted" % locals(), False, self.config.logfile)
+ self.boot_state = boot_state
+ return self.exit
+
+ def console_nanny(self,console_states):
+ #ready = select.select([],[self.stdout],[],1)[1]
+ output = 0
+ if True or len(ready)>0:
+ output = 1
+ retry = True
+ while retry:
+ try:
+ lines = self.stdout.readlines()
+ retry = False
+ except IOError, e:
+ pass
+
+ #for searchstring in console_states.keys():
+ # result = line.find(searchstring)
+ # if result... ret = console_states[searchstring]
+ # break
+ # check result for whether we found it
+
+ # for now just print it out
+ for line in lines:
+ print line
+ utils.header(line, logfile = self.config.logfile)
+ # should be parsing for special strings that indicate whether
+ # we've reached a particular state within the boot sequence
+
+ return output
+
+ def call(self, plc_name, hostname, image_type = 'node-iso', disk_size="17G", wait = 30):
+
+
+ # Get this nodes configuration
+ node = self.config.get_node(hostname)
+ # Which plc does this node talk to
+ plc = self.config.get_plc(plc_name)
+ api = plc.config.api
+ auth = plc.config.auth
+ path = node.get_path()
+ host = node['host']
+ homedir = node['homedir']
+ tmpdir = '/usr/tmp/'
+ bootimage_filename = "%(hostname)s-bootcd.iso" % locals()
+ diskimage_filename = "%(hostname)s-hda.img" % locals()
+ bootimage = "%(homedir)s/%(bootimage_filename)s" % locals()
+ diskimage = "%(homedir)s/%(diskimage_filename)s" % locals()
+ diskimage_path = "/%(path)s/%(diskimage_filename)s" % locals()
+ bootimage_tmppath = "%(tmpdir)s/%(bootimage_filename)s" % locals()
+ bootimage_path = "%(path)s/%(bootimage_filename)s" % locals()
+ remote_bootimage_path = "%(homedir)s/%(bootimage_filename)s" % locals()
+
+ # wait up to 30 minutes for a node to boot and install itself correctly
+ self.hostname = hostname
+ self.totaltime = 60*60*wait
+
# validate hostname
- nodes = api.GetNodes(auth, [hostname], ['hostname'])
+ nodes = api.GetNodes(auth, [hostname], ['hostname', 'boot_state'])
if not nodes:
- raise Exception, "No such node %(hostname)s" % locals()
-
- bootimage = api.GetBootMedium(auth, hostname, image_type, '')
- bootimage_path = '/%(tdir)s/%(hostname)s-bootcd.iso' % locals()
+ raise Exception, "%s not found at plc %s" % (hostname, plc['name'])
+ node.update(nodes[0])
+ # try reinstalling the node if it is in debug state
+ if node['boot_state'] in ['dbg']:
+ if self.config.verbose:
+ utils.header("%(hostname)s is in debug state. Attempting a re-install" % locals(), logfile = self.config.logfiile)
+ api.UpdateNode(auth, node['node_id'], {'boot_state': 'rins'})
+
+ # Create boot image
if self.config.verbose:
- utils.header("Creating bootcd for %(hostname)s at %(bootimage_path)s" % locals())
- # Create a temporary bootcd file
- file = open(bootimage_path, 'w')
- file.write(base64.b64decode(bootimage))
- file.close()
+ utils.header("Creating bootcd for %(hostname)s at %(bootimage_path)s" % locals(), logfile = self.config.logfile)
+ nodeimage = api.GetBootMedium(auth, hostname, image_type, '', ['serial'])
+ fp = open(bootimage_tmppath, 'w')
+ fp.write(base64.b64decode(nodeimage))
+ fp.close()
+
+ # Move the boot image to the nodes home directory
+ node.host_commands("mkdir -p %(homedir)s" % locals())
+ node.scp_to_host(bootimage_tmppath, "%(remote_bootimage_path)s" % locals())
+
+ # If node is vm (qemu) try installing kqemu
+ node.host_commands("yum -y install kqemu", False)
+ node.host_commands("modprobe kqemu")
- # Create a temporary disk image
- diskimage_path = "/%(tdir)s/%(hostname)s-hda.img" % locals()
- qemu_img_cmd = "qemu-img create -f qcow2 %(diskimage_path)s %(disk_size)s" % locals()
- (stdin, stdout, stderr) = os.popen3(qemu_img_cmd)
- self.errors = stderr.readlines()
- if self.errors:
- raise Exception, "Unable to create disk image\n" + \
- "\n".join(self.errors)
+ # Create a temporary disk image if it doesnt already exist or we are reinstalling
+ img_check_cmd = "ls -ld %(diskimage)s" % locals()
+ (status, output) = node.host_commands(img_check_cmd, False)
+ if status != 0 or node['boot_state'] in ['rins', 'inst']:
+ qemu_img_cmd = "qemu-img create -f qcow2 %(diskimage)s %(disk_size)s" % locals()
+ node.host_commands(qemu_img_cmd)
+
if self.config.verbose:
- utils.header("Booting %(hostname)s" % locals())
+ utils.header("Booting %(hostname)s" % locals(), logfile = self.config.logfile)
+
# Attempt to boot this node image
- bootcmd = "qemu -hda %(diskimage_path)s -cdrom %(bootimage_path)s -smp 1 -m 256 -monitor stdio" % \
- locals()
- (stdin, stdout, stderr) = os.popen3(bootcmd)
- self.errors = stderr.readlines()
- if self.errors:
- raise Exception, "Unable to boot node image\n" + \
- "\n".join(self.errors)
-
+
+ # generate a temp filename to which qemu should store its pid (crappy approach)
+ tmp = tempfile.mkstemp(".pid","qemu_")
+ pidfile=tmp[1]
+ os.unlink(pidfile)
+
+ os.close(tmp[0])
+ # boot node with ramsize memory
+ ramsize=1024
+
+ # always use the 64 bit version of qemu, as this will work on both 32 & 64 bit host kernels
+ bootcmd = "qemu-system-x86_64"
+ # tell qemu to store its pid ina file
+ bootcmd = bootcmd + " -pidfile %(pidfile)s " % locals()
+ # boot with ramsize memory
+ bootcmd = bootcmd + " -m %(ramsize)s" % locals()
+ # uniprocessor only
+ bootcmd = bootcmd + " -smp 1"
+ # redirect incomming tcp connections on specified port to guest node
+ if 'redir_ssh_port' in node and node['redir_ssh_port']:
+ port = node['redir_ssh_port']
+ ip = node['nodenetworks'][0]['ip']
+ bootcmd = bootcmd + " -redir tcp:%(port)s:%(ip)s:22" % locals()
+ # no graphics support -> assume we are booting via serial console
+ bootcmd = bootcmd + " -nographic"
+ # boot from the supplied cdrom iso file
+ bootcmd = bootcmd + " -boot d"
+ bootcmd = bootcmd + " -cdrom %(bootimage)s" % locals()
+ # hard disk image to use for the node
+ bootcmd = bootcmd + " %(diskimage)s" % locals()
+ # redirect stdout, stderr to logfile
+ bootcmd = bootcmd + " 2>&1 >> %s " % (node.logfile.filename)
+
+ # kill any old qemu processes for this node
+ pid_cmd = "ps -elfy | grep qemu | grep %(hostname)s | awk '{print$3}'" % locals()
+ (status, output) = node.host_commands(pid_cmd)
+ pids = " ".join(output.split("\n")).strip()
+ if pids:
+ kill_cmd = "kill %(pids)s" % locals()
+ (status, output) = node.host_commands(kill_cmd)
+
+ time.sleep(2)
+ # Rotate node's logfile
+ node.rotate_logfile()
+
+ # launch qemu
+ (self.stdin, self.stdout, self.stderr) = node.host_popen3(bootcmd)
+
+ # wait for qemu to start up
+ time.sleep(5)
+ # get qemu's pid from its pidfile (crappy approach)
+ pid_cmd = "cat %(pidfile)s" % locals()
+ (staus, output) = node.host_commands(pid_cmd)
+ self.pid = output.strip()
+ #fp = file(pidfile)
+ #buf=fp.read()
+ #self.pid=int(buf)
+ #fp.close()
+ #os.unlink(pidfile)
+
+ # loop until the node is either fully booted, some error
+ # occured, or we've reached our totaltime out
+ def catch(sig, frame):
+ self.totaltime = self.totaltime -1
+ utils.header("beep %d\n" %self.totaltime, False, logfile = self.config.logfile )
+ total = self.totaltime
+ if (total == 0) or \
+ (((total % 60)==0) and self.state_nanny()):
+ killqemu(self.pid)
+ self.exit = True
+ else:
+ signal.alarm(1)
+
+ try:
+ signal.signal(signal.SIGALRM, catch)
+ signal.alarm(1)
+ self.exit = False
+
+ #console_states = {"login:":1}
+ while not self.exit:
+ pass
+ #try:
+ # self.console_nanny(console_states)
+ #except: # need a better way to catch exceptions
+ # traceback.print_exc()
+ # pass
+
+ signal.alarm(0)
+ except:
+ signal.alarm(0)
+
+ killqemu(self.pid)
return 1
if __name__ == '__main__':
args = tuple(sys.argv[1:])
boot_node()(*args)
-
-
git://git.onelab.eu / tests.git / blobdiff