def copy_file_to_hosts(self, hostlist, srcfile, remotepath):
cmd = "scp" + self._options + " -i " + self._private_key
for host in hostlist:
printDebug('Copying to host %s' % host.public_ip)
error = os.system(cmd + " " + srcfile + " " + self._username + "@" + host.public_ip + ":" + remotepath)
if error > 0:
return error
return 0
def run_remote_command(self, hostlist, command):
for host in hostlist:
cmd = "ssh -y" + self._options + " -i " + self._private_key + " " + \
self._username + "@" + host.public_ip + " " + command
printDebug('Command: %s' % cmd)
printDebug('Executing in host %s' % host.public_ip)
error = os.system(cmd)
if error > 0:
return error
return 0
def deploy(self):
ssh = SSHUtil(self._runner.userPrivateKeyFile, self.cluster_admin)
# Wait until all the images are up and running
vmNetworkDetails = []
vmStartTimeout = 600
# wait until the each machine is up or timeout after 15 minutes
printStep("Waiting for all cluster VMs to be instantiated...")
if self._is_heterogeneous:
printStep("Waiting for master")
self._runner.waitUntilVmRunningOrTimeout(self._master_vmid, vmStartTimeout)
vmNetworkDetails.append(self._runner.getNetworkDetail(self._master_vmid))
for vmId in self._runner.vmIds:
printDebug('Waiting for instance to start running %s' % str(vmId))
self._runner.waitUntilVmRunningOrTimeout(vmId, vmStartTimeout)
vmNetworkDetails.append(self._runner.getNetworkDetail(vmId))
vm_cpu, vm_ram, vm_swap = self._runner.getInstanceResourceValues()
for vmNetwork in vmNetworkDetails:
if vmNetwork[0] == 'public':
host = Host()
host.public_ip = vmNetwork[1]
try:
host.public_dns = socket.gethostbyaddr(host.public_ip)[0]
except:
host.public_dns = host.public_ip
host.cores = vm_cpu
host.ram = vm_ram
host.swap = vm_swap
self.hosts.append(host)
printStep("Waiting for all instances to become accessible...")
failedHosts = []
for host in self.hosts:
hostReady = False
hostFailed = False
while not hostReady and not hostFailed:
if not ssh.waitForConnectivity(host, vmStartTimeout):
printError('Timed out while connecting to %s. Removing from target config. list.' % host.public_ip)
failedHosts.append(host)
hostFailed = True
else:
hostReady = True
if len(failedHosts) > 0:
if self.tolerate_failures:
for host in failedHosts:
self.hosts.remove(host)
else:
printError('Error instantiating some or all of the nodes. Bailing out...')
if self.clean_after_failure:
self._runner.killInstances(self._runner.vmIds)
return 128
master_node = self.hosts[0]
worker_nodes = list(self.hosts)
worker_nodes.remove(master_node)
printInfo('\tMaster is %s' % master_node.public_dns)
for node in worker_nodes:
printInfo('\tWorker: %s' % node.public_dns)
# Configure the hosts
printAction('Configuring nodes')
# Try to install the missing packages
if self.add_packages:
self.doAddPackages(ssh)
# For MPI clusters prepare the machinefile for mpirun
if self.mpi_machine_file:
self.doPrepareMPImachineFile(ssh, worker_nodes)
if self.cluster_user:
# Create a new user and prepare the environments for password-less ssh
self.doCreateClusterUser(ssh, master_node)
# Initialize the shared storage in NFS
if self.shared_folder:
self.doPrepareNFSSharedFolder(ssh, master_node, worker_nodes)
if self.ssh_hostbased:
self.doSetupSSHHostBasedCluster(ssh)
# Update /etc/profile with StratusLab specific environment variables
self.doUpdateEnvironmentVariables(ssh, master_node, worker_nodes)
# Store the list of cluster nodes in a file under /tmp
self.doPrepareNodeList(ssh, worker_nodes)
# Update the /etc/hosts file for all hosts
self.doUpdateHostsFile(ssh, master_node, worker_nodes)
# Start any services defined in rc.cluster-services
self.doStartClusterServices(ssh, master_node)
return 0
