Name

       gnt-network - Ganeti network administration

Synopsis

       gnt-network {command} [arguments...]

DESCRIPTION

       The  gnt-network  command  is used for network definition and administration in the Ganeti
       system.  Each instance NIC can be connected to a network via the  network  NIC  parameter.
       See gnt-instance(8) for more details.

BUGS

       The  hail iallocator hasn't been updated to take networks into account in Ganeti 2.7.  The
       only way to guarantee that it works correctly is having your  networks  connected  to  all
       nodegroups.  This will be fixed in a future version.

COMMANDS

   ADD
       add
       --network=*network*
       [--gateway=*gateway*]
       [--add-reserved-ips=*reserved-ips*]
       [--network6=*network6*]
       [--gateway6=*gateway6*]
       [--mac-prefix=*macprefix*]
       [--submit] [--print-jobid]
       [--no-conflicts-check]
       {network-name}

       Creates  a  new  network  with  the given name.  The network will be unused initially.  To
       connect it to a node group, use gnt-network connect.  --network option is mandatory.   All
       other are optional.

       The --network option allows you to specify the network in a CIDR notation.

       The --gateway option allows you to specify the default gateway for this network.

       IPv6  semantics  can be assigned to the network via the --network6 and --gateway6 options.
       IP pool is meaningless for IPV6 so those two values can be used for EUI64 generation  from
       a NIC's MAC address.

       The  --no-conflicts-check  option  can  be  used  to  skip  the  check  for conflicting IP
       addresses.

       Note that a when connecting a network to a node group (see below) you can specify also the
       NIC  mode  and  link that will be used by instances on that group to physically connect to
       this network.  This allows the system to work  even  if  the  parameters  (eg.   the  VLAN
       number) change between groups.

       See ganeti(7) for a description of --submit and other common options.

   MODIFY
       modify
       [--gateway=*gateway*]
       [--add-reserved-ips=*reserved-ips*]
       [--remove-reserved-ips=*reserved-ips*]
       [--network6=*network6*]
       [--gateway6=*gateway6*]
       [--mac-prefix=*macprefix*]
       [--submit] [--print-jobid]
       {network}

       Modifies parameters from the network.

       Unable  to  modify network (IP address range).  Create a new network if you want to do so.
       All other options are documented in the add command above.

       See ganeti(7) for a description of --submit and other common options.

   REMOVE
       remove [--submit] [--print-jobid] {network}

       Deletes the indicated network, which must be not connected to any node group.

       See ganeti(7) for a description of --submit and other common options.

   LIST
       list [--no-headers] [--separator=*separator*] [-v]
       [-o [+]field,...] [network-name...]

       Lists all existing networks in the cluster.  If no group names are given, then all  groups
       are included.  Otherwise, only the named groups will be listed.

       The  --no-headers  option will skip the initial header line.  The --separator option takes
       an argument which denotes what will be used between the output fields.  Both these options
       are to help scripting.

       The  -v  option  activates verbose mode, which changes the display of special field states
       (see ganeti(7)).

       The -o option takes a comma-separated list of output fields.  If the value of  the  option
       starts  with  the  character  +,  the  new fields will be added to the default list.  This
       allows to quickly see the default list plus a few other fields, instead  of  retyping  the
       entire list of fields.

       The available fields and their meaning are:

       ctime  Creation timestamp

       external_reservations
              External reservations

       free_count
              Number of available addresses

       gateway
              IPv4 gateway

       gateway6
              IPv6 gateway

       group_cnt
              Number of nodegroups

       group_list
              List of nodegroups (group name, NIC mode, NIC link)

       inst_cnt
              Number of instances

       inst_list
              List of instances

       mac_prefix
              MAC address prefix

       map    Actual mapping

       mtime  Modification timestamp

       name   Name

       network
              IPv4 subnet

       network6
              IPv6 subnet

       reserved_count
              Number of reserved addresses

       serial_no
              Network object serial number, incremented on each modification

       tags   Tags

       uuid   Network UUID

   LIST-FIELDS
       list-fields [field...]

       List available fields for networks.

   INFO
       info [network...]

       Displays information about a given network.

   CONNECT
       connect
       [--no-conflicts-check]
       [{-N|--nic-parameters} nic-param=*value*[,*nic-param*=*value*...]]
       {network} [groups...]

       Connect  a network to given node groups (all if not specified) with the network parameters
       defined via the --nic-parameters option.   Every  network  interface  will  inherit  those
       parameters if assigned to a network.

       The  --no-conflicts-check  option  can  be  used  to  skip  the  check  for conflicting IP
       addresses.

       Passing mode and link as possitional arguments along with network and groups is deprecated
       and not supported any more.

   DISCONNECT
       disconnect {network} [groups...]

       Disconnect a network from given node groups (all if not specified).  This is possible only
       if no instance is using the network.

   Tags
   ADD-TAGS
       add-tags [--from file] {network} {tag...}

       Add tags to the given network.  If any of the tags contains invalid characters, the entire
       operation will abort.

       If the --from option is given, the list of tags will be extended with the contents of that
       file (each line becomes a tag).  In this case, there is not  need  to  pass  tags  on  the
       command line (if you do, both sources will be used).  A file name of - will be interpreted
       as stdin.

   LIST-TAGS
       list-tags {network}

       List the tags of the given network.

   REMOVE-TAGS
       remove-tags [--from file] {network} {tag...}

       Remove tags from the given network.  If any of the tags are not existing on  the  network,
       the entire operation will abort.

       If  the  --from  option is given, the list of tags to be removed will be extended with the
       contents of that file (each line becomes a tag).  In this case, there is not need to  pass
       tags on the command line (if you do, tags from both sources will be removed).  A file name
       of - will be interpreted as stdin.

REPORTING BUGS

       Report  bugs  to  project  website  (http://code.google.com/p/ganeti/)  or   contact   the
       developers using the Ganeti mailing list (ganeti@googlegroups.com).

SEE ALSO

       Ganeti  overview  and specifications: ganeti(7) (general overview), ganeti-os-interface(7)
       (guest OS definitions), ganeti-extstorage-interface(7) (external storage providers).

       Ganeti  commands:  gnt-cluster(8)   (cluster-wide   commands),   gnt-job(8)   (job-related
       commands),  gnt-node(8)  (node-related  commands),  gnt-instance(8)  (instance  commands),
       gnt-os(8) (guest OS commands), gnt-storage(8) (storage commands), gnt-group(8) (node group
       commands), gnt-backup(8) (instance import/export commands), gnt-debug(8) (debug commands).

       Ganeti  daemons:  ganeti-watcher(8) (automatic instance restarter), ganeti-cleaner(8) (job
       queue cleaner), ganeti-noded(8) (node daemon), ganeti-rapi(8) (remote API daemon).

       Ganeti htools: htools(1) (generic binary), hbal(1) (cluster balancer), hspace(1) (capacity
       calculation),  hail(1) (IAllocator plugin), hscan(1) (data gatherer from remote clusters),
       hinfo(1) (cluster information printer), mon-collector(7) (data collectors interface).

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