def _create_user(self):
user = '******'
password = ''.join([choice(string.letters + string.digits) for i in range(20)])
run_command(['useradd', '-m', 'node_agent'])
enc_passwd = crypt.crypt(password, SALT)
ret, out, err = run_command(['usermod', '-p', enc_passwd, 'node_agent'])
#TO-DO: set permissions to user
if ret:
raise Exception('usermod error: %s'%err)
return user, password
def process(self, parameters):
try:
code, cout, cerr = run_command(['reboot'])
if code:
raise Exception('Reboot operation failed: %s'%cerr)
self.updateOperationProgress(100, ret_message='Node is rebooting now...')
except Exception, err:
self.updateOperationProgress(50, ret_message='Error occured: %s'%err, ret_code=1)
def _get_hardware_info(self):
ret,out,err = run_command(['uname', '-p'])
if ret:
raise Exception('uname error: %s'%err)
processor = out.strip()
all_memory = open('/proc/meminfo').readlines()[0]
all_memory = all_memory.split(':')[1]
all_memory, mesure = all_memory.strip().split(' ')
all_memory = int(all_memory)
if mesure.lower() == 'kb':
all_memory /= 1024
elif mesure.lower() == 'gb':
all_memory *= 1024
return processor, all_memory
def _set_new_hostname(self, uuid):
hostname = self.__get_cmdline_hostname()
if hostname is None:
logger.info('Setting defaut hostname')
hostname = 'NODE-%s' % uuid.split('-')[-1]
else:
logger.info('Hostname specified by kernel command line: %s'%hostname)
run_command(['hostname', hostname])
ret,out,err = run_command(['dhcpcd','--rebind', '--waitip', 'eth0'])
if ret:
raise Exception('dhcpcd eth0 error: %s'%err)
run_command(['/etc/init.d/syslog-ng', 'reload'])
run_command(['/etc/init.d/ntp-client', 'restart'])
return hostname
os.system('/etc/init.d/boot-event-listener stop')
os.system('/etc/init.d/syslog-ng stop')
os.system('/etc/init.d/postgresql-9.0 restart')
os.system('/etc/init.d/syslog-ng start')
os.system('/etc/init.d/boot-event-listener start')
####################################
# Glusterfs share mounting
####################################
#run_command(['glusterfs', DISKLESS_HOME])
####################################
#database configuration
####################################
ret,out,err = run_command(['createdb', '-U', 'postgres', 'blik_cloud_db'])
if not ret:
ret,out,err = run_command(['psql', '-U', 'postgres', '-d', 'blik_cloud_db', '-f', '/opt/blik/db/cloud_db_schema.sql'])
if ret:
print (err)
sys.exit(1)
ret,out,err = run_command(['psql', '-U', 'postgres', '-d', 'blik_cloud_db', '-f', '/opt/blik/db/logs_schema.sql'])
if ret:
print (err)
sys.exit(1)
if len(sys.argv) > 1 and sys.argv[1] == '--skip-images':
print ('Skiping images recreation...')
sys.exit(0)
def _get_uuid(self):
ret,out,err = run_command(['dmidecode', '-s', 'system-uuid'])
if ret:
raise Exception('dmidecode error: %s'%err)
return out.strip()
def change_base_node_params(request, node_id):
if request.method != "POST":
raise Exception("POST request expected for change base node parameters!")
cur_user = get_current_user(request)
node = NmNode.objects.get(id=node_id)
url = "/configure_node/%s" % node_id
# change hostname
hostname = request.POST["hostname"]
if not hostname:
return inform_message("Hostname should be not empty!", url)
if not re.match("[a-zA-Z][a-zA-Z0-9\-]+$", hostname):
return inform_message('Hostname is invalid. Allowed characters are: a-z, A-Z, 0-9 and "-"', url)
old_node_hostname = node.hostname
if old_node_hostname != hostname:
node.hostname = hostname
# change node type
node_type_id = request.POST["nodeType"]
if not node_type_id:
raise Exception("Node type id expected in POST message")
if node.node_type.id != node_type_id:
node.node_type = NmNodeType.objects.get(id=node_type_id)
# change architecture
arch = request.POST["architecture"]
if not arch:
raise Exception("Node architecture expected in POST message")
if node.architecture != arch:
node.architecture = arch
# set optional parameters (used for node registration)
if request.POST.has_key("clusterId"):
cluster = NmCluster.objects.get(id=request.POST["clusterId"])
node.cluster = cluster
if request.POST.has_key("logicName"):
node.logic_name = request.POST["logicName"]
node.last_modifier_id = cur_user.id
node.save()
ret_message = "Parameters are installed for node!\n"
if NODES_MANAGER_SUPPORT:
# apply parameters
code, out, err = run_command(
[
"change-node",
"--node-type",
node.node_type.type_sid,
"--arch",
node.architecture,
"--hostname",
node.hostname,
"--uuid",
node.node_uuid,
]
)
if code:
return inform_message("New node parameters saved, but not installed!\nDetails: %s" % err, url)
# reboot node
ret_code, msg = reboot_node(old_node_hostname, cur_user.name)
if ret_code:
return inform_message("Node is not rebooted! Details: %s" % msg, url)
ret_message += "Node rebooting for apply parameters..."
else:
ret_message += "Node is not rebooted because NodesManager is not supported in Console!"
return inform_message(ret_message, url)