On Thu, Oct 10, 2019 at 4:16 PM Flavio Fernandes <[email protected]> wrote:
>
> Adding a wrapper to ovs-sim called ovn-sim, which re-introduces the
> primitives for OVN in the simulator that were lost as part of
> the ovn-org/ovn split.
>
> Also resurrected the man page used to document ovn-sim usage.
>
> Lastly, there were some leftover ovs-sim references that were
> not proper. This patch renames these to ovn-sim.
>
> All in all, this change is nothing but porting over the
> OVN sections of ovs-sim from OVS version 2.12 (pre-split).
>
> Reported-by: Flavio Fernandes <[email protected]>
> Reported-at: https://github.com/ovn-org/ovn/issues/21 (Fixes #21)
> Signed-off-by: Flavio Fernandes <[email protected]>
Hi Flavio,
Thanks for the patch. I applied this to master.
Numan
> ---
> v1 -> v2:
> * Fix real issues found by 0-day Robot
> ---
>
> Documentation/automake.mk | 2 +-
> Documentation/conf.py | 4 +-
> Documentation/ref/index.rst | 2 +-
> Documentation/ref/ovn-sim.1.rst | 126 +++++++++++++
> Documentation/ref/ovs-sim.1.rst | 244 -------------------------
> Makefile.am | 1 +
> utilities/.gitignore | 1 +
> utilities/automake.mk | 6 +-
> utilities/ovn-sim.in | 308 ++++++++++++++++++++++++++++++++
> 9 files changed, 445 insertions(+), 249 deletions(-)
> create mode 100644 Documentation/ref/ovn-sim.1.rst
> delete mode 100644 Documentation/ref/ovs-sim.1.rst
> create mode 100755 utilities/ovn-sim.in
>
> diff --git a/Documentation/automake.mk b/Documentation/automake.mk
> index 5968d6941..bf2166349 100644
> --- a/Documentation/automake.mk
> +++ b/Documentation/automake.mk
> @@ -106,7 +106,7 @@ RST_MANPAGES = \
> # rST formatted manpages that we don't want to install because they
> # document stuff that only works with a build tree, not with an
> # installed OVS.
> -RST_MANPAGES_NOINST = ovs-sim.1.rst
> +RST_MANPAGES_NOINST = ovn-sim.1.rst
>
> # The GNU standards say that these variables should control
> # installation directories for manpages in each section. Automake
> diff --git a/Documentation/conf.py b/Documentation/conf.py
> index 6bf528bde..2c85dcf4d 100644
> --- a/Documentation/conf.py
> +++ b/Documentation/conf.py
> @@ -114,8 +114,8 @@ html_static_path = ['_static']
> # One entry per manual page. List of tuples
> # (source start file, name, description, authors, manual section).
> _man_pages = [
> - ('ovs-sim.1',
> - u'Open vSwitch simulator environment'),
> + ('ovn-sim.1',
> + u'Open Virtual Network simulator environment'),
> ('ovsdb-server.7',
> u'Open vSwitch Database Server Protocol'),
> ('ovsdb.5',
> diff --git a/Documentation/ref/index.rst b/Documentation/ref/index.rst
> index 530d639d6..7ff9edd09 100644
> --- a/Documentation/ref/index.rst
> +++ b/Documentation/ref/index.rst
> @@ -39,7 +39,7 @@ time:
> .. toctree::
> :maxdepth: 3
>
> - ovs-sim.1
> + ovn-sim.1
> ovsdb-server.7
> ovsdb.5
> ovsdb.7
> diff --git a/Documentation/ref/ovn-sim.1.rst b/Documentation/ref/ovn-sim.1.rst
> new file mode 100644
> index 000000000..35abd39b1
> --- /dev/null
> +++ b/Documentation/ref/ovn-sim.1.rst
> @@ -0,0 +1,126 @@
> +=======
> +ovn-sim
> +=======
> +
> +Synopsis
> +========
> +
> +``ovn-sim`` [*option*]... [*script*]...
> +
> +Description
> +===========
> +
> +``ovn-sim`` is a wrapper script that adds ovn related commands on
> +top of ``ovs-sim``.
> +
> +``ovs-sim`` provides a convenient environment for running one or more Open
> +vSwitch instances and related software in a sandboxed simulation environment.
> +
> +To use ``ovn-sim``, first build Open vSwitch, then invoke it directly from
> the
> +build directory, e.g.::
> +
> + git clone https://github.com/openvswitch/ovs.git
> + cd ovs
> + ./boot.sh && ./configure && make
> + cd ..
> + git clone https://github.com/ovn-org/ovn.git
> + cd ovn
> + ./boot.sh && ./configure --with-ovs-source=${PWD}/../ovs
> + make
> + utilities/ovn-sim
> +
> +See documentation on ``ovs-sim`` for info on simulator, including the
> +parameters you can use.
> +
> +OVN Commands
> +------------
> +
> +These commands interact with OVN, the Open Virtual Network.
> +
> +``ovn_start`` [*options*]
> + Creates and initializes the central OVN databases (both
> + ``ovn-sb(5)`` and ``ovn-nb(5)``) and starts an instance of
> + ``ovsdb-server`` for each one. Also starts an instance of
> + ``ovn-northd``.
> +
> + The following options are available:
> +
> + ``--nbdb-model`` *model*
> + Uses the given database model for the northbound database.
> + The *model* may be ``standalone`` (the default), ``backup``,
> + or ``clustered``.
> +
> + ``--nbdb-servers`` *n*
> + For a clustered northbound database, the number of servers in
> + the cluster. The default is 3.
> +
> + ``--sbdb-model`` *model*
> + Uses the given database model for the southbound database.
> + The *model* may be ``standalone`` (the default), ``backup``,
> + or ``clustered``.
> +
> + ``--sbdb-servers`` *n*
> + For a clustered southbound database, the number of servers in
> + the cluster. The default is 3.
> +
> +``ovn_attach`` *network* *bridge* *ip* [*masklen*]
> + First, this command attaches bridge to interconnection network
> + network, just like ``net_attach`` *network* *bridge*. Second, it
> + configures (simulated) IP address *ip* (with network mask length
> + *masklen*, which defaults to 24) on *bridge*. Finally, it
> + configures the Open vSwitch database to work with OVN and starts
> + ``ovn-controller``.
> +
> +Examples
> +========
> +
> +Simulating hypervisors, starting ovn controller (via ovn_attach) and
> +adding a logical port on each one of them::
> +
> + ovn_start
> + ovn-nbctl ls-add lsw0
> + net_add n1
> + for i in 0 1; do
> + sim_add hv$i
> + as hv$i
> + ovs-vsctl add-br br-phys
> + ovn_attach n1 br-phys 192.168.0.`expr $i + 1`
> + ovs-vsctl add-port br-int vif$i -- \
> + set Interface vif$i external-ids:iface-id=lp$i
> + ovn-nbctl lsp-add lsw0 lp$i
> + ovn-nbctl lsp-set-addresses lp$i f0:00:00:00:00:0$i
> + done
> +
> +Here’s a primitive OVN "scale test" (adjust the scale by changing
> +``n`` in the first line)::
> +
> + n=200; export n
> + ovn_start --sbdb-model=clustered
> + net_add n1
> + ovn-nbctl ls-add br0
> + for i in `seq $n`; do
> + (sim_add hv$i
> + as hv$i
> + ovs-vsctl add-br br-phys
> + y=$(expr $i / 256)
> + x=$(expr $i % 256)
> + ovn_attach n1 br-phys 192.168.$y.$x
> + ovs-vsctl add-port br-int vif$i -- \
> + set Interface vif$i external-ids:iface-id=lp$i) &
> + case $i in
> + *50|*00) echo $i; wait ;;
> + esac
> + done
> + wait
> + for i in `seq $n`; do
> + yy=$(printf %02x $(expr $i / 256))
> + xx=$(printf %02x $(expr $i % 256))
> + ovn-nbctl lsp-add br0 lp$i
> + ovn-nbctl lsp-set-addresses lp$i f0:00:00:00:$yy:$xx
> + done
> +
> +When the scale test has finished initializing, you can watch the
> +logical ports come up with a command like this::
> +
> + watch 'for i in `seq $n`; do \
> + if test `ovn-nbctl lsp-get-up lp$i` != up; then echo $i; fi; done'
> diff --git a/Documentation/ref/ovs-sim.1.rst b/Documentation/ref/ovs-sim.1.rst
> deleted file mode 100644
> index 4382598e1..000000000
> --- a/Documentation/ref/ovs-sim.1.rst
> +++ /dev/null
> @@ -1,244 +0,0 @@
> -=======
> -ovs-sim
> -=======
> -
> -Synopsis
> -========
> -
> -``ovs-sim`` [*option*]... [*script*]...
> -
> -Description
> -===========
> -
> -``ovs-sim`` provides a convenient environment for running one or more Open
> -vSwitch instances and related software in a sandboxed simulation environment.
> -
> -To use ``ovs-sim``, first build Open vSwitch, then invoke it directly from
> the
> -build directory, e.g.::
> -
> - git clone https://github.com/openvswitch/ovs.git
> - cd ovs
> - ./configure
> - make
> - utilities/ovs-sim
> -
> -When invoked in the most ordinary way as shown above, ovs-sim does the
> -following:
> -
> -1. Creates a directory ``sandbox`` as a subdirectory of the current
> - directory (first destroying such a directory if it already exists)
> - and makes it the current directory.
> -
> -2. Installs all of the Open vSwitch manpages into a ``man``
> - subdirectory of sandbox and adjusts the ``MANPATH`` environment
> - variable so that ``man`` and other manpage viewers can find them.
> -
> -3. Creates a simulated Open vSwitch named ``main`` and sets it up as the
> - default target for OVS commands, as if the following ``ovs-sim``
> - commands had been run::
> -
> - sim_add main
> - as main
> -
> - See `Commands`_, below, for an explanation.
> -
> -4. Runs any scripts specified on the command line (see `Options`_,
> - below). The scripts can use arbitrary Bash syntax, plus the
> - additional commands described under `Commands`_, below.
> -
> -5. If no scripts were specified, or if ``-i`` or ``--interactive`` was
> - specified, invokes an interactive Bash subshell. The user can use
> - arbitrary Bash commands, plus the additional commands described under
> - `Commands`_, below.
> -
> -``ovs-sim`` and the sandbox environment that it creates does not require
> -superuser or other special privileges. Generally, it should not be run with
> -such privileges.
> -
> -Options
> -=======
> -
> -.. program: ovs-sim
> -
> -*script*
> - Runs *script*, which should be a Bash script, within a subshell
> - after initializing. If multiple script arguments are given, then
> - they are run in the order given. If any script exits with a
> - nonzero exit code, then ``ovs-sim`` exits immediately with the
> - same exit code.
> -
> -``-i`` or ``--interactive``
> - By default, if any script is specified, ``ovs-sim`` exits as soon as the
> - scripts finish executing. With this option, or if no scripts are
> specified,
> - ``ovs-sim`` instead starts an interactive Bash session.
> -
> -Commands
> -========
> -
> -Scripts and interactive usage may use the following commands
> -implemented by ``ovs-sim``. They are implemented as Bash shell functions
> -exported to subshells.
> -
> -Basic Commands
> ---------------
> -
> -These are the basic commands for working with sandboxed Open vSwitch
> -instances.
> -
> -``sim_add`` *sandbox*
> - Starts a new simulated Open vSwitch instance named *sandbox*.
> - Files related to the instance, such as logs, databases, sockets,
> - and pidfiles, are created in a subdirectory also named
> - *sandbox*. Afterward, the ``as`` command (see below) can be used
> - to run Open vSwitch utilities in the context of the new sandbox.
> -
> - The new sandbox starts out without any bridges. Use ``ovs-vsctl``
> - in the context of the new sandbox to create a bridge, e.g.::
> -
> - sim_add hv0 # Create sandbox hv0.
> - as hv0 # Set hv0 as default sandbox.
> - ovs-vsctl add-br br0 # Add bridge br0 inside hv0.
> -
> - The Open vSwitch instances that ``sim_add`` creates enable
> - ``dummy`` devices. This means that bridges and interfaces can be
> - created with type ``dummy`` to indicate that they should be
> - totally simulated, without any reference to system entities. In
> - fact, ``ovs-sim`` also configures Open vSwitch so that the default
> - system type of bridges and interfaces are replaced by dummy
> - devices. Other types of devices, however, retain their usual
> - functions, which means that, e.g., vxlan tunnels still act as
> - tunnels (refer to the documentation).
> -
> -``as`` *sandbox*
> - Sets sandbox as the default simulation target for Open vSwitch
> - commands (e.g. ``ovs-vsctl``, ``ovs-ofctl``, ``ovs-appctl``).
> -
> - This command updates the beginning of the shell prompt to indicate
> - the new default target.
> -
> -``as`` *sandbox* *command* *arg*...
> - Runs the given command with *sandbox* as the simulation target,
> - e.g. ``as hv0 ovs-vsctl add-br br0`` runs ``ovs-vsctl add-br
> - br0`` within sandbox ``hv0``. The default target is unchanged.
> -
> -Interconnection Network Commands
> ---------------------------------
> -
> -When multiple sandboxed Open vSwitch instances exist, one will
> -inevitably want to connect them together. These commands allow for
> -that. Conceptually, an interconnection network is a switch that
> -``ovs-sim`` makes it easy to plug into other switches in other
> -sandboxed Open vSwitch instances. Interconnection networks are
> -implemented as bridges in the ``main`` switch that ``ovs-sim`` creates
> -by default, so to use interconnection networks please avoid working
> -with ``main`` directly.
> -
> -``net_add`` *network*
> - Creates a new interconnection network named *network*.
> -
> -``net_attach`` *network* *bridge*
> - Adds a new port to *bridge* in the default sandbox (as set with
> - ``as``) and plugs it into interconnection network *network*, which
> - must already have been created by a previous invocation of
> - ``net_add``. The default sandbox must not be ``main``.
> -
> -OVN Commands
> -------------
> -
> -These commands interact with OVN, the Open Virtual Network.
> -
> -``ovn_start`` [*options*]
> - Creates and initializes the central OVN databases (both
> - ``ovn-sb(5)`` and ``ovn-nb(5)``) and starts an instance of
> - ``ovsdb-server`` for each one. Also starts an instance of
> - ``ovn-northd``.
> -
> - The following options are available:
> -
> - ``--nbdb-model`` *model*
> - Uses the given database model for the northbound database.
> - The *model* may be ``standalone`` (the default), ``backup``,
> - or ``clustered``.
> -
> - ``--nbdb-servers`` *n*
> - For a clustered northbound database, the number of servers in
> - the cluster. The default is 3.
> -
> - ``--sbdb-model`` *model*
> - Uses the given database model for the southbound database.
> - The *model* may be ``standalone`` (the default), ``backup``,
> - or ``clustered``.
> -
> - ``--sbdb-servers`` *n*
> - For a clustered southbound database, the number of servers in
> - the cluster. The default is 3.
> -
> -``ovn_attach`` *network* *bridge* *ip* [*masklen*]
> - First, this command attaches bridge to interconnection network
> - network, just like ``net_attach`` *network* *bridge*. Second, it
> - configures (simulated) IP address *ip* (with network mask length
> - *masklen*, which defaults to 24) on *bridge*. Finally, it
> - configures the Open vSwitch database to work with OVN and starts
> - ``ovn-controller``.
> -
> -Examples
> -========
> -
> -The following creates a pair of Open vSwitch instances ``hv0`` and
> -``hv1``, adds a port named ``vif0`` or ``vif1``, respectively, to each
> -one, and then connects the two through an interconnection network
> -``n1``::
> -
> - net_add n1
> - for i in 0 1; do
> - sim_add hv$i
> - as hv$i ovs-vsctl add-br br0 -- add-port br0 vif$i
> - as hv$i net_attach n1 br0
> - done
> -
> -Here’s an extended version that also starts OVN::
> -
> - ovn_start
> - ovn-nbctl ls-add lsw0
> - net_add n1
> - for i in 0 1; do
> - sim_add hv$i
> - as hv$i
> - ovs-vsctl add-br br-phys
> - ovn_attach n1 br-phys 192.168.0.`expr $i + 1`
> - ovs-vsctl add-port br-int vif$i -- set Interface vif$i
> external-ids:iface-id=lp$i
> - ovn-nbctl lsp-add lsw0 lp$i
> - ovn-nbctl lsp-set-addresses lp$i f0:00:00:00:00:0$i
> - done
> -
> -Here’s a primitive OVN "scale test" (adjust the scale by changing
> -``n`` in the first line::
> -
> - n=200; export n
> - ovn_start --sbdb-model=clustered
> - net_add n1
> - ovn-nbctl ls-add br0
> - for i in `seq $n`; do
> - (sim_add hv$i
> - as hv$i
> - ovs-vsctl add-br br-phys
> - y=$(expr $i / 256)
> - x=$(expr $i % 256)
> - ovn_attach n1 br-phys 192.168.$y.$x
> - ovs-vsctl add-port br-int vif$i -- set Interface vif$i
> external-ids:iface-id=lp$i) &
> - case $i in
> - *50|*00) echo $i; wait ;;
> - esac
> - done
> - wait
> - for i in `seq $n`; do
> - yy=$(printf %02x $(expr $i / 256))
> - xx=$(printf $02x $(expr $i % 256))
> - ovn-nbctl lsp-add br0 lp$i
> - ovn-nbctl lsp-set-addresses lp$i f0:00:00:00:$yy:$xx
> - done
> -
> -When the scale test has finished initializing, you can watch the
> -logical ports come up with a command like this::
> -
> - watch 'for i in `seq $n`; do if test `ovn-nbctl lsp-get-up lp$i` != up;
> then echo $i; fi; done'
> diff --git a/Makefile.am b/Makefile.am
> index 33c18c5d8..88ede2d82 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -173,6 +173,7 @@ SUFFIXES += .in
> -e 's,[@]DBDIR[@],$(DBDIR),g' \
> -e 's,[@]PYTHON[@],$(PYTHON),g' \
> -e 's,[@]OVN_RUNDIR[@],$(OVN_RUNDIR),g' \
> + -e 's,[@]OVSBUILDDIR[@],$(OVSBUILDDIR),g' \
> -e 's,[@]VERSION[@],$(VERSION),g' \
> -e 's,[@]localstatedir[@],$(localstatedir),g' \
> -e 's,[@]pkgdatadir[@],$(pkgdatadir),g' \
> diff --git a/utilities/.gitignore b/utilities/.gitignore
> index faaa85ee9..ab063fa04 100644
> --- a/utilities/.gitignore
> +++ b/utilities/.gitignore
> @@ -12,3 +12,4 @@
> /ovn-docker-overlay-driver
> /ovn-docker-underlay-driver
> /ovn-lib
> +/ovn-sim
> diff --git a/utilities/automake.mk b/utilities/automake.mk
> index 197cc7011..bf9388192 100644
> --- a/utilities/automake.mk
> +++ b/utilities/automake.mk
> @@ -52,7 +52,11 @@ CLEANFILES += \
> utilities/ovn-detrace.1 \
> utilities/ovn-detrace \
> utilities/ovn-appctl.8 \
> - utilities/ovn-appctl
> + utilities/ovn-appctl \
> + utilities/ovn-sim
> +
> +EXTRA_DIST += utilities/ovn-sim.in
> +noinst_SCRIPTS += utilities/ovn-sim
>
> utilities/ovn-lib: $(top_builddir)/config.status
>
> diff --git a/utilities/ovn-sim.in b/utilities/ovn-sim.in
> new file mode 100755
> index 000000000..a05e4cd8a
> --- /dev/null
> +++ b/utilities/ovn-sim.in
> @@ -0,0 +1,308 @@
> +#! /usr/bin/env bash
> +#
> +# Copyright (c) 2019 Nicira, Inc.
> +#
> +# Licensed under the Apache License, Version 2.0 (the "License");
> +# you may not use this file except in compliance with the License.
> +# You may obtain a copy of the License at:
> +#
> +# http://www.apache.org/licenses/LICENSE-2.0
> +#
> +# Unless required by applicable law or agreed to in writing, software
> +# distributed under the License is distributed on an "AS IS" BASIS,
> +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> +# See the License for the specific language governing permissions and
> +# limitations under the License.
> +
> +set -e
> +
> +ovn_sim_builddir='@abs_builddir@'; export ovn_sim_builddir
> +ovn_sim_srcdir='@abs_top_srcdir@'; export ovn_sim_srcdir
> +ovs_sim_builddir='@OVSBUILDDIR@'
> +
> +# Check that we've got proper builddir and srcdir.
> +if test ! -e "$ovs_sim_builddir"/utilities/ovs-sim; then
> + echo "$ovs_sim_builddir/utilities/ovs-sim does not exist ($0 requires
> ovs-sim)" >&2
> + exit 1
> +fi
> +if test ! -e "$ovn_sim_builddir"/northd/ovn-northd; then
> + echo "$ovn_sim_builddir/northd/ovn-northd does not exist (need to run
> \"make\"?)" >&2
> + exit 1
> +fi
> +if test ! -e "$ovn_sim_srcdir"/README.rst; then
> + echo "$ovn_sim_srcdir/README.rst does not exist" >&2
> + exit 1
> +fi
> +
> +# Put built tools early in $PATH.
> +PATH=$ovn_sim_builddir/controller:$ovn_sim_builddir/northd:$ovn_sim_builddir/utilities:$PATH
> +export PATH
> +
> +ovn-nbctl () { command ovn-nbctl -vsyslog:off "$@"; }; export -f ovn-nbctl
> +ovn-sbctl () { command ovn-sbctl -vsyslog:off "$@"; }; export -f ovn-sbctl
> +
> +ovn_start_db() {
> + local db=$1 model=$2 servers=$3 schema=$4
> + local DB=$(echo $db | tr a-z A-Z)
> + local schema_name=$(ovsdb-tool schema-name $schema)
> +
> + case $model in
> + standalone | backup) ;;
> + clustered)
> + case $servers in
> + [1-9] | [1-9][0-9]) ;;
> + *) echo "${db}db servers must be between 1 and 99" >&2
> + exit 1
> + ;;
> + esac
> + ;;
> + *)
> + echo "unknown ${db}db model \"$model\"" >&2
> + exit 1
> + ;;
> + esac
> +
> + ovn_start_ovsdb_server() {
> + local i=$1; shift
> + as ${db}$i ovsdb-server --detach --no-chdir --pidfile=$db.pid \
> + -vsyslog:off -vconsole:off --log-file="$sim_base"/$db$i/$db.log \
> + --remote=db:$schema_name,${DB}_Global,connections \
> + --private-key=db:$schema_name,SSL,private_key \
> + --certificate=db:$schema_name,SSL,certificate \
> + --ca-cert=db:$schema_name,SSL,ca_cert \
> + --ssl-protocols=db:$schema_name,SSL,ssl_protocols \
> + --ssl-ciphers=db:$schema_name,SSL,ssl_ciphers \
> + --unixctl=${db} --remote=punix:$db.ovsdb \
> + "$sim_base"/$db$i/$db.db "$@"
> + }
> +
> + ovn_prep_db() {
> + local i=$1
> + mkdir "$sim_base"/${db}$i
> + touch "$sim_base"/${db}$i/.$db.db.~lock~
> + }
> +
> + local n_remotes=1
> + case $model in
> + standalone)
> + ovn_prep_db 1
> + ovsdb-tool create "$sim_base"/${db}1/$db.db "$schema"
> + ovn_start_ovsdb_server 1
> + ;;
> + backup)
> + for i in 1 2; do
> + ovn_prep_db $i
> + ovsdb-tool create "$sim_base"/$db$i/$db.db "$schema"
> + done
> + ovn_start_ovsdb_server 1
> + ovn_start_ovsdb_server 2
> --sync-from=unix:"$sim_base"/${db}1/$db.ovsdb
> + cat <<EOF
> +The backup server of OVN $DB can be accessed by:
> +* ovn-${db}ctl --db=unix:$sim_base/${db}2/$db.ovsdb
> +* ovs-appctl -t $sim_base/${db}2/${db}
> +The backup database file is $sim_base/${db}2/$db.db
> +EOF
> + ;;
> + clustered)
> + n_remotes=$servers
> + for i in $(seq $servers); do
> + ovn_prep_db $i
> + if test $i = 1; then
> + ovsdb-tool create-cluster "$sim_base"/$db$i/$db.db
> "$schema" unix:"$sim_base"/$db$i/db.raft
> + else
> + ovsdb-tool join-cluster "$sim_base"/$db$i/$db.db
> $schema_name unix:"$sim_base"/$db$i/db.raft unix:"$sim_base"/${db}1/db.raft
> + fi
> + ovn_start_ovsdb_server $i
> + done
> + for i in $(seq $servers); do
> + ovsdb-client wait unix:"$sim_base"/${db}$i/$db.ovsdb
> $schema_name connected
> + done
> + ;;
> + esac
> +
> + remote=unix:"$sim_base"/${db}1/$db.ovsdb
> + for i in `seq 2 $n_remotes`; do
> + remote=$remote,unix:"$sim_base"/${db}$i/$db.ovsdb
> + done
> + eval OVN_${DB}_DB=\$remote
> + eval export OVN_${DB}_DB
> +}
> +export -f ovn_start_db
> +
> +ovn_start() {
> + local nbdb_model=standalone
> + local nbdb_servers=3
> + local sbdb_model=standalone
> + local sbdb_servers=3
> + local prev=
> + for option; do
> + # This option-parsing mechanism borrowed from a Autoconf-generated
> + # configure script under the following license:
> +
> + # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
> + # 2002, 2003, 2004, 2005, 2006, 2009, 2013 Free Software Foundation,
> Inc.
> + # This configure script is free software; the Free Software
> Foundation
> + # gives unlimited permission to copy, distribute and modify it.
> +
> + # If the previous option needs an argument, assign it.
> + if test -n "$prev"; then
> + eval $prev=\$option
> + prev=
> + continue
> + fi
> + case $option in
> + *=*) optarg=`expr "X$option" : '[^=]*=\(.*\)'` ;;
> + *) optarg=yes ;;
> + esac
> +
> + case $dashdash$option in
> + --)
> + dashdash=yes ;;
> + -h|--help)
> + cat <<EOF
> +$FUNCNAME: start OVN central databases and daemons
> +usage: $FUNCNAME [OPTION...]
> +
> +This creates and initializes the central OVN databases (northbound and
> +southbound), starts their ovsdb-server daemons, and starts the ovn-northd
> +daemon.
> +
> +Options:
> + --nbdb-model=standalone|backup|clustered northbound database model
> + --nbdb-servers=N number of servers in nbdb cluster (default: 3)
> + --sbdb-model=standalone|backup|clustered southbound database model
> + --sbdb-servers=N number of servers in sbdb cluster (default: 3)
> + -h, --help Print this usage message.
> +EOF
> + return
> + ;;
> +
> + --nbdb-s*=*)
> + nbdb_servers=$optarg
> + nbdb_model=clustered
> + ;;
> + --nbdb-s*)
> + prev=nbdb_servers
> + nbdb_model=clustered
> + ;;
> + --nbdb-m*=*)
> + nbdb_model=$optarg
> + ;;
> + --nbdb-m*)
> + prev=nbdb_model
> + ;;
> + --sbdb-s*=*)
> + sbdb_servers=$optarg
> + sbdb_model=clustered
> + ;;
> + --sbdb-s*)
> + prev=sbdb_servers
> + sbdb_model=clustered
> + ;;
> + --sbdb-m*=*)
> + sbdb_model=$optarg
> + ;;
> + --sbdb-m*)
> + prev=sbdb_model
> + ;;
> + -*)
> + echo "unrecognized option $option (use --help for help)" >&2
> + return 1
> + ;;
> + *)
> + echo "$option: non-option arguments not supported (use
> --help for help)" >&2
> + return 1
> + ;;
> + esac
> + shift
> + done
> +
> + if test -d ovn-sb || test -d ovn-nb; then
> + echo >&2 "OVN already started"
> + return 1
> + fi
> +
> + ovn_sim_setvars $sandbox
> +
> + # Build ovn man pages as part of ovn_start
> + ovn_man_pages
> +
> + ovn_start_db nb "$nbdb_model" "$nbdb_servers"
> "$ovn_sim_srcdir"/ovn-nb.ovsschema
> + ovn_start_db sb "$sbdb_model" "$sbdb_servers"
> "$ovn_sim_srcdir"/ovn-sb.ovsschema
> +
> + ovn-nbctl init
> + ovn-sbctl init
> +
> + mkdir "$sim_base"/northd
> + as northd ovn-northd --detach --no-chdir --pidfile=ovn-northd.pid
> -vconsole:off \
> + --log-file=ovn-northd.log -vsyslog:off \
> + --ovnnb-db="$OVN_NB_DB" --ovnsb-db="$OVN_SB_DB"
> +}
> +export -f ovn_start
> +
> +ovn_attach() {
> + if test "$1" == --help; then
> + cat <<EOF
> +$FUNCNAME: attach default sandbox to an interconnection network for OVN
> +usage: $FUNCNAME NETWORK BRIDGE IP [MASKLEN]
> +
> +This starts by doing everything that net_attach does. Then it configures the
> +specified IP and MASKLEN (e.g. 192.168.0.1 and 24) on BRIDGE and starts
> +and configures ovn-controller.
> +
> +MASKLEN defaults to 24 if it is not specified.
> +EOF
> + return 0
> + fi
> + if test $# != 3 && test $# != 4; then
> + echo >&2 "$FUNCNAME: wrong number of arguments (use --help for help)"
> + return 1
> + fi
> +
> + local net=$1 bridge=$2 ip=$3 masklen=${4-24}
> + net_attach $net $bridge || return $?
> +
> + ovn_sim_setvars $sandbox
> +
> + ovs-appctl netdev-dummy/ip4addr $bridge $ip/$masklen >/dev/null
> + ovs-appctl ovs/route/add $ip/$masklen $bridge > /dev/null
> + ovs-vsctl \
> + -- set Open_vSwitch . external-ids:system-id=$sandbox \
> + -- set Open_vSwitch . external-ids:ovn-remote=$OVN_SB_DB \
> + -- set Open_vSwitch . external-ids:ovn-encap-type=geneve \
> + -- set Open_vSwitch . external-ids:ovn-encap-ip=$ip\
> + -- add-br br-int \
> + -- set bridge br-int fail-mode=secure
> other-config:disable-in-band=true
> + ovn-controller --detach --no-chdir -vsyslog:off -vconsole:off \
> + --log-file=ovn-controller.${sandbox}.log \
> + --pidfile=ovn-controller.${sandbox}.pid
> +}
> +export -f ovn_attach
> +
> +ovn_sim_setvars() {
> + OVN_RUNDIR=$sim_base/$1; export OVN_RUNDIR
> + OVN_LOGDIR=$sim_base/$1; export OVN_LOGDIR
> + OVN_DBDIR=$sim_base/$1; export OVN_DBDIR
> + OVN_SYSCONFDIR=$sim_base/$1; export OVN_SYSCONFDIR
> +}
> +export -f ovn_sim_setvars
> +
> +ovn_as() {
> + if test -n "$1"; then
> + ovn_sim_setvars $1
> + fi
> + as $@
> +}
> +export -f ovn_as
> +
> +ovn_man_pages() {
> + # Easy access to OVN manpages.
> + mkdir -p $sim_base/man
> + mandir=`cd $sim_base/man && pwd`
> + (cd "$ovn_sim_builddir" && ${MAKE-make} install-man install-man-rst
> mandir=$mandir EXTRA_RST_MANPAGES=ovn-sim.1.rst >/dev/null)
> + # Note: MANPATH expected to be already exported by ovs-sim
> + #MANPATH=$mandir:; export MANPATH
> +}
> +export -f ovn_man_pages
> +
> +source ${ovs_sim_builddir}/utilities/ovs-sim
> --
> 2.17.1
>
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> dev mailing list
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> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
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