wiki:ContainerFilesDoc

Version 3 (modified by Geoff Lawler, 9 years ago) (diff)

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This wiki page documents the files created by the DETER containerization system. I've created a simple containerized experiment, then looked at all the files generated, documenting the contents of the files below.

The sample experiment is Deter,muppetnet. The NS file and containerization command are:

set ns [new Simulator]
source tb_compat.tcl

set opt(netSpeed) 100Mb

set allNodes "beaker beauregard brewster drbunsenhoneydew floyd lips mousey rizzo pops kermit piggy fozzie drteeth animal janice"
set studNodes "beaker beauregard brewster drbunsenhoneydew kermit piggy fozzie"
set mayhemNodes "floyd lips mousey rizzo pops drteeth animal janice"

foreach node $allNodes {
    set $node [$ns node]
}

# link between LANS
set rainbow [$ns duplex-link "fozzie" "janice" 100Mb 0.0ms DropTail]

# two LANs
set studebaker [$ns make-lan $studNodes $opt(netSpeed) 0.0ms]
set electricmayhem [$ns make-lan $mayhemNodes $opt(netSpeed) 0.0ms]

$ns rtproto Static
$ns run
[glawler@users:~/src/nsfiles]$ /share/containers/containerize.py DETER muppetnet ./muppetnet.ns

This creates the directory /proj/Deter/exp/muppetnet which contains a containers directory. This directory has the following files:

-rw-r--r--  1 glawler  Deter   9668 Feb 12 07:25 annotated.xml
-rw-r--r--  1 glawler  Deter    142 Feb 12 07:25 assignment
-rw-r--r--  1 glawler  Deter     68 Feb 12 07:25 backend_config.yaml
drwxr-xr-x  2 glawler  Deter   1024 Feb 12 07:25 children
-rw-r--r--  1 glawler  Deter   7246 Feb 12 07:26 config.tgz
-rw-r--r--  1 glawler  Deter   5660 Feb 12 07:25 converted.xml
-rw-r--r--  1 glawler  Deter   2432 Feb 12 07:25 embedding.yaml
-rw-r--r--  1 glawler  Deter    662 Feb 12 07:25 experiment.tcl
-rw-r--r--  1 glawler  Deter      0 Feb 12 07:25 ghosts
-rw-r--r--  1 glawler  Deter    793 Feb 12 07:26 hosts
-rw-r--r--  1 glawler  Deter      6 Feb 12 07:26 hostsw.pickle
-rw-r--r--  1 glawler  Deter   1315 Feb 12 07:25 maverick_url
-rw-r--r--  1 glawler  Deter   1690 Feb 12 07:25 openvz_guest_url
-rw-r--r--  1 glawler  Deter  11063 Feb 12 07:25 partitioned.xml
-rw-r--r--  1 glawler  Deter    816 Feb 12 07:25 phys_topo.ns
-rw-r--r--  1 glawler  Deter   1120 Feb 12 07:25 phys_topo.xml
-rw-r--r--  1 glawler  Deter     16 Feb 12 07:25 pid_eid
-rw-r--r--  1 glawler  Deter     54 Feb 12 07:25 pnode_types.yaml
-rw-r--r--  1 glawler  Deter     10 Feb 12 07:25 qemu_users.yaml
drwxr-xr-x  2 glawler  Deter    512 Feb 12 07:26 route
-rw-r--r--  1 glawler  Deter    205 Feb 12 07:26 shaping.yaml
-rw-r--r--  1 glawler  Deter    732 Feb 12 07:25 site.conf
drwxr-xr-x  2 glawler  Deter    512 Feb 12 07:26 software
drwxr-xr-x  2 glawler  Deter    512 Feb 12 07:26 switch
-rw-r--r--  1 glawler  Deter    708 Feb 12 07:26 switch_extra.yaml
-rw-r--r--  1 glawler  Deter      6 Feb 12 07:26 swlocs.pickle
-rw-r--r--  1 glawler  Deter  36759 Feb 12 07:26 topo.xml
-rw-r--r--  1 glawler  Deter   3136 Feb 12 07:26 traffic_shaping.pickle
-rw-r--r--  1 glawler  Deter  66961 Feb 12 07:26 visualization.png
-rw-r--r--  1 glawler  Deter      3 Feb 12 07:26 wirefilters.yaml

Notes on these files:

annotated.xml - This is an XML file that describes the nodes and substrates (networks) of the experiment. The node description includes name, interfaces, container type, and node type (pc, etc).

assignment - Shows container assignment to physical node. e.g. node "foo" runs on physical node 1.

backend_config.yaml - "{server: 'boss.isi.deterlab.net:6667', unique_id: fdb56b6d989ff6a4}"

children - Not sure. Is a directory that has files which describe a DAG - relationships between pnodes, openvz, and container nodes. Mostly empty files in this experiment though as the network topology is minimal.

config.tgz - This directory, ./containers tarred and gzipped.

converted.xml - the same as annotated.xml minus the container information added.

embedding.yaml - container and pnode relationships in YAML.

experiment.tcl - The NS file which generated the experiment.

ghosts - empty file

hosts - /etc/hosts which includes the container nodes.

hostsw.pickle - ??? (dp0\n. Looks like a pickle file (binary python marhshalling format), but does not "un-pickle" into any data. Hits EOF.

maverick_url - URLs to container images. Default location is http://scratch/benito/.... Used for qemu images, I think.

openvz_guest_url - URLs to openvz images. Default location /share/containers/images/...

partitioned.xml - Another XML file that is used in the partitioning process. See annotated.xml phys_topo.ns, phys_topo.xml - physical NS file/topology/nodes of experiment.

pid_eid - group and experiment ID of experiment

pnode_types.yaml - The machine types of the pnodes, "pc2133, bpc2133, MicroCloud?", in YAML.

qemu_users.yaml - list of users for qemu nodes? Just contains [glawler] for this experiment, so it's not an exhaustive list...

route - routing info for containers. directory with one file per node, showing route info. e.g. 10.0.0.0/8 10.0.1.7.

shaping.yaml - traffic shaping for container networks.

site.conf - configuration settings for containers: example:

[containers]
switch_shaping = true
qemu_host_hw = pc2133,bpc2133,MicroCloud
openvz_guest_url = %(exec_root)s/images/ubuntu-10.04-x86.tar.gz
exec_root = /share/containers
qemu_host_os = Ubuntu1204-64-STD
openvz_host_os = CentOS6-64-openvz
maverick_url = http://scratch/benito/pangolinbz.img.bz2
xmlrpc_server = boss.isi.deterlab.net:3069
url_base = http://www.isi.deterlab.net/
grandstand_port = 4919
backend_server = boss.isi.deterlab.net:6667
openvz_template_dir = %(exec_root)s/images/
attribute_prefix = containers
switched_containers = qemu,process

software - empty directory

switch - directory of per switch node (pnodes) files. Each file describes vlan creation, numbering, and switch port/vlan assignment for containers on that node. Does this get fed to the {{{vde_switch}}es on the pnodes?

switch_extra.yaml - YAML file which looks like it contains information about gluing together the VDE switches - extra interfaces (taps), double pipes (attaching switches together I think), and tap pipes (for attaching tap ifaces to the switch)

swlocs.pickle - another python pickle file. But hits EOF before it is decoded. No idea what this is for.

topo.xml - Containers topology in YAML format. Has substrates (networks). For nodes it shows interfaces and addressing (ip/MAC) as well as which vde_switch the node is attached to. Nodes also contain some VM info like disk size, template/image path/name, vhost.

traffic_shaping.pickle - Looks like, oddly, traffic shaping information in the python pickle format:

>>> import pickle
>>> import pprint
>>> fd = open('traffic_shaping.pickle', 'rb')
>>> d = pickle.load(fd)
>>> pprint.pprint(d)
>>> pprint.pprint(d)                                                                                                                                                                                                                          
{u'animal': {u'10.0.0.1': {'bandwidth': None, 'delay': None, 'loss': None},
             u'10.0.0.2': {'bandwidth': None, 'delay': None, 'loss': None},
             u'10.0.0.3': {'bandwidth': None, 'delay': None, 'loss': None},
             u'10.0.0.4': {'bandwidth': None, 'delay': None, 'loss': None},
             u'10.0.0.5': {'bandwidth': None, 'delay': None, 'loss': None},
             u'10.0.0.6': {'bandwidth': None, 'delay': None, 'loss': None},
             u'10.0.0.8': {'bandwidth': None, 'delay': None, 'loss': None}},
...
 u'rizzo': {u'10.0.0.1': {'bandwidth': None, 'delay': None, 'loss': None},
            u'10.0.0.2': {'bandwidth': None, 'delay': None, 'loss': None},
            u'10.0.0.3': {'bandwidth': None, 'delay': None, 'loss': None},
            u'10.0.0.5': {'bandwidth': None, 'delay': None, 'loss': None},
            u'10.0.0.6': {'bandwidth': None, 'delay': None, 'loss': None},
            u'10.0.0.7': {'bandwidth': None, 'delay': None, 'loss': None},
            u'10.0.0.8': {'bandwidth': None, 'delay': None, 'loss': None}}}

visualization.png - image of the topology of the container networks.

wirefilters.yaml - empty YAML file: {}