diff options
| -rw-r--r-- | emulab_support.py | 109 | ||||
| -rw-r--r-- | ouroboros_support.py | 42 | ||||
| -rwxr-xr-x | rhumba.py | 8 | ||||
| -rw-r--r-- | ssh_support.py | 156 |
4 files changed, 206 insertions, 109 deletions
diff --git a/emulab_support.py b/emulab_support.py index db779a9..99a903c 100644 --- a/emulab_support.py +++ b/emulab_support.py @@ -19,24 +19,15 @@ # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, # MA 02110-1301 USA -import socket -import paramiko -import time import os +import time import re from ast import literal_eval -import configparser +from ssh_support import * import warnings warnings.filterwarnings("ignore") -def get_ssh_client(): - ssh_client = paramiko.SSHClient() - ssh_client.load_system_host_keys() - ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) - - return ssh_client - def ops_server(testbed): ''' Return server name of the ops-server (is testbed specific) @@ -59,73 +50,6 @@ def full_name(testbed, node_name): return node_name + '.' + testbed.exp_name + '.' + \ testbed.proj_name + '.' + testbed.url -def execute_command(testbed, hostname, command, time_out = 3): - ''' - Remote execution of a list of shell command on hostname. By - default this function will exit (timeout) after 3 seconds. - - @param testbed: testbed info - @param hostname: host name or ip address of the node - @param command: *nix shell command - @param time_out: time_out value in seconds, error will be generated if - no result received in given number of seconds, the value None can - be used when no timeout is needed - - @return: stdout resulting from the command - ''' - ssh_client = get_ssh_client() - - try: - ssh_client.connect(hostname, 22, - testbed.username, testbed.password, - look_for_keys = True, timeout = time_out) - stdin, stdout, stderr = ssh_client.exec_command(command) - err = str(stderr.read()).strip('b\'\"\\n') - if err != "": - print(err) - output = str(stdout.read()).strip('b\'\"\\n') - ssh_client.close() - - return output - - except Exception as e: - print(str(e)) - return - -def copy_file_to_testbed(testbed, hostname, text, file_name): - ''' - Write a string to a given remote file. - Overwrite the complete file if it already exists! - - @param testbed: testbed info - @param hostname: host name or ip address of the node - @param text: string to be written in file - @param file_name: file name (including full path) on the host - ''' - ssh_client = get_ssh_client() - - try: - ssh_client.connect(hostname, 22, - testbed.username, - testbed.password, - look_for_keys=True) - - cmd = "touch " + file_name + \ - "; chmod a+rwx " + file_name - - stdin, stdout, stderr = ssh_client.exec_command(cmd) - err = str(stderr.read()).strip('b\'\"\\n') - if err != "": - print(err) - - sftp_client = ssh_client.open_sftp() - remote_file = sftp_client.open(file_name, 'w') - - remote_file.write(text) - remote_file.close() - - except Exception as e: - print(str(e)) def get_experiment_list(testbed, project_name = None): ''' @@ -298,32 +222,3 @@ def complete_experiment_graph(testbed, nodes, p2plinks): link.int_b.ip == item[1]: link.int_b.name = item[0] node.full_name = full_name(testbed, node.name) - -def setup_vlan(testbed, node_name, vlan_id, int_name): - ''' - Gets the interface (ethx) to link mapping - - @param testbed: testbed info - @param node_name: the node to create the VLAN on - @param vlan_id: the VLAN id - @param int_name: the name of the interface - ''' - print("Setting up VLAN on node " + node_name) - - node_full_name = full_name(node_name, testbed) - cmd = "sudo ip link add link " + \ - str(int_name) + \ - " name " + str(int_name) + \ - "." + str(vlan_id) + \ - " type vlan id " + str(vlan_id) - execute_command(testbed, node_full_name, cmd) - cmd = "sudo ifconfig " + \ - str(int_name) + "." + \ - str(vlan_id) + " up" - execute_command(node_full_name, cmd, testbed) - cmd = "sudo ethtool -K " + \ - str(int_name) + " rxvlan off" - execute_command(node_full_name, cmd, testbed) - cmd = "sudo ethtool -K " + \ - str(int_name) + " txvlan off" - execute_command(node_full_name, cmd, testbed) diff --git a/ouroboros_support.py b/ouroboros_support.py new file mode 100644 index 0000000..061c097 --- /dev/null +++ b/ouroboros_support.py @@ -0,0 +1,42 @@ +# +# Commands to instruct Ouroboros +# +# Sander Vrijders <sander.vrijders@intec.ugent.be> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, +# MA 02110-1301 USA + +import ssh_support as ssh + +def setup_ouroboros(testbed, nodes): + cmds = list() + + cmds.append("sudo apt-get update") + cmds.append("sudo apt-get install cmake protobuf-c-compiler git --yes") + cmds.append("sudo rm -r ~/ouroboros/build") + cmds.append("cd ~/ouroboros; sudo ./install_release.sh") + cmds.append("sudo nohup irmd > /dev/null &") + + for node in nodes: + ssh.execute_commands(testbed, node.full_name, cmds, time_out = None) + return + +def bind_names(testbed, nodes): + for node in nodes: + cmds = list() + for name, ap in node.bindings.items(): + cmds.append("irm b ap " + ap + " n " + name) + + ssh.execute_commands(testbed, node.full_name, cmds, time_out = None) @@ -23,6 +23,7 @@ import emulab_support as es import jfed_support as js import abc import getpass +import ouroboros_support as our # Represents generic testbed info # @@ -312,7 +313,10 @@ class OuroborosExperiment(Experiment): def run(self): print("[Ouroboros experiment] start") + print("Creating resources...") Experiment.run(self) - for node in self.nodes: - print(node.full_name) + print("Setting up Ouroboros...") + our.setup_ouroboros(self.testbed, self.nodes) + print("Binding names...") + our.bind_names(self.testbed, self.nodes) print("[Ouroboros experiment] end") diff --git a/ssh_support.py b/ssh_support.py new file mode 100644 index 0000000..6bc892f --- /dev/null +++ b/ssh_support.py @@ -0,0 +1,156 @@ +# +# SSH support for Rhumba +# +# Sander Vrijders <sander.vrijders@intec.ugent.be> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, +# MA 02110-1301 USA + +import paramiko + +def get_ssh_client(): + ssh_client = paramiko.SSHClient() + ssh_client.load_system_host_keys() + ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) + + return ssh_client + +def execute_commands(testbed, hostname, commands, time_out = 3): + ''' + Remote execution of a list of shell command on hostname. By + default this function will exit (timeout) after 3 seconds. + + @param testbed: testbed info + @param hostname: host name or ip address of the node + @param command: *nix shell command + @param time_out: time_out value in seconds, error will be generated if + no result received in given number of seconds, the value None can + be used when no timeout is needed + ''' + ssh_client = get_ssh_client() + + try: + ssh_client.connect(hostname, 22, + testbed.username, testbed.password, + look_for_keys = True, timeout = time_out) + for command in commands: + stdin, stdout, stderr = ssh_client.exec_command(command) + err = str(stderr.read()).strip('b\'\"\\n') + if err != "": + err_array = err.split('\\n') + for erra in err_array: + print(erra) + ssh_client.close() + + except Exception as e: + print(str(e)) + return + +def execute_command(testbed, hostname, command, time_out = 3): + ''' + Remote execution of a list of shell command on hostname. By + default this function will exit (timeout) after 3 seconds. + + @param testbed: testbed info + @param hostname: host name or ip address of the node + @param command: *nix shell command + @param time_out: time_out value in seconds, error will be generated if + no result received in given number of seconds, the value None can + be used when no timeout is needed + + @return: stdout resulting from the command + ''' + ssh_client = get_ssh_client() + + try: + ssh_client.connect(hostname, 22, + testbed.username, testbed.password, + look_for_keys = True, timeout = time_out) + stdin, stdout, stderr = ssh_client.exec_command(command) + err = str(stderr.read()).strip('b\'\"\\n') + if err != "": + print(err) + output = str(stdout.read()).strip('b\'\"\\n') + ssh_client.close() + + return output + + except Exception as e: + print(str(e)) + return + +def copy_file_to_testbed(testbed, hostname, text, file_name): + ''' + Write a string to a given remote file. + Overwrite the complete file if it already exists! + + @param testbed: testbed info + @param hostname: host name or ip address of the node + @param text: string to be written in file + @param file_name: file name (including full path) on the host + ''' + ssh_client = get_ssh_client() + + try: + ssh_client.connect(hostname, 22, + testbed.username, + testbed.password, + look_for_keys=True) + + cmd = "touch " + file_name + \ + "; chmod a+rwx " + file_name + + stdin, stdout, stderr = ssh_client.exec_command(cmd) + err = str(stderr.read()).strip('b\'\"\\n') + if err != "": + print(err) + + sftp_client = ssh_client.open_sftp() + remote_file = sftp_client.open(file_name, 'w') + + remote_file.write(text) + remote_file.close() + + except Exception as e: + print(str(e)) + +def setup_vlan(testbed, node_name, vlan_id, int_name): + ''' + Gets the interface (ethx) to link mapping + + @param testbed: testbed info + @param node_name: the node to create the VLAN on + @param vlan_id: the VLAN id + @param int_name: the name of the interface + ''' + print("Setting up VLAN on node " + node_name) + + node_full_name = full_name(node_name, testbed) + cmd = "sudo ip link add link " + \ + str(int_name) + \ + " name " + str(int_name) + \ + "." + str(vlan_id) + \ + " type vlan id " + str(vlan_id) + execute_command(testbed, node_full_name, cmd) + cmd = "sudo ifconfig " + \ + str(int_name) + "." + \ + str(vlan_id) + " up" + execute_command(node_full_name, cmd, testbed) + cmd = "sudo ethtool -K " + \ + str(int_name) + " rxvlan off" + execute_command(node_full_name, cmd, testbed) + cmd = "sudo ethtool -K " + \ + str(int_name) + " txvlan off" + execute_command(node_full_name, cmd, testbed) |