Merge "Update docker build"
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commit
05711f6f33
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@ -0,0 +1,9 @@
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---
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features:
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- The Mistral docker image and tooling has been updated to significantly
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ease the starting of a Mistral cluster. The setup now supports
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all-in-one and multi-container deployments. Also, the scripts were
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cleaned up and aligned with the Docker best practice.
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fixes:
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- Javascript support in docker image.
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@ -1,10 +1,10 @@
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Using Mistral with docker
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=========================
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In order to minimize the work needed to the current Mistral code, or be able
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to spin up independent or networked Mistral instances in seconds, docker
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containers are a very good option. This guide describes the process to
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launch an all-in-one Mistral container.
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In order to minimize the work needed to run the current Mistral code, or
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be able to spin up independent or networked Mistral instances in seconds,
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Docker containers are a very good option. This guide describes the process
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to launch an all-in-one Mistral container.
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Docker installation
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@ -24,65 +24,66 @@ Build the Mistral image
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-----------------------
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The `build.sh` script takes care of creating the `mistral-all` image locally.
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Running Mistral
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---------------
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Start a RabbitMQ container::
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docker run -d --name rabbitmq rabbitmq
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Start Mistral::
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docker run -d --link rabbitmq:rabbitmq -p 8989:8989 --name mistral mistral-all
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To execute commands inside the container::
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docker exec -it mistral bash
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E.g. to list workflows, issue::
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mistral workflow-list
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Running Mistral From A Volume
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-----------------------------
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A scenario you may find useful for development is to clone a Mistral git repo
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and link it into the container via a volume. This will allow you to make changes
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to the Mistral source on your local machine and execute them immediately in the
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container.
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The following example illustrates launching the container from the local
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directory of a git repo clone of Mistral.::
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docker run -d --link rabbitmq:rabbitmq -v $(pwd):/opt/stack/mistral:Z -p 8989:8989 --name mistral mistral-all
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You might want to mount an additional drive to move files easily between your
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development computer and the container. An easy way to do this is to mount an
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additional volume that maps to /home/mistral/ in the container.
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Since the directory is already being used to store the mistral.conf and
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mistral.sqlite files, you will want to copy these to the local directory you
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intend to use for the mount. This example assumes the directory to mount is
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"/tmp/mistral". You should change this to the actual directory you intend to
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use.::
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docker cp mistral:/home/mistral/mistral.conf /tmp/mistral/mistral.conf
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docker cp mistral:/home/mistral/mistral.sqlite /tmp/mistral/mistral.sqlite
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docker run -d --link rabbitmq:rabbitmq -v $(pwd):/opt/stack/mistral:Z -v /tmp/mistral:/home/mistral:Z -p 8989:8989 --name mistral mistral-all
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This is image is configured to use RabbitMQ for transport and MySQL as database
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backend. It is possible to run Mistral with Sqlite as database backend but
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it is very unreliable, thus, MySQL was selected as the default database backend
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for this image.
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Running Mistral with MySQL
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--------------------------
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Other than the simplest use cases will very probably fail with various errors
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due to the default Sqlite database. It is highly recommended that, for
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example, MySQL is used as database backend.
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The `start_mistral_rabbit_mysql.sh` script sets up a rabbitmq container, a
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mysql container and a mistral container to work together.
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Check out the script for more detail.
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The script can be invoked with::
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start_mistral_rabbit_mysql.sh [single|multi]
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`single` mode (this is the default) will create
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- rabbitmq container,
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- the mysql container,
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- and the mistral container that runs all Mistral services.
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`multi` mode will create
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- rabbitmq,
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- mysql,
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- mistral-api,
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- one mistral-engine,
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- two mistral-executors
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Check out the script for more detail and examples for different setup options.
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Using Mistral
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-------------
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Depending on the mode, you may need to use the `mistral` or the `mistral-api`
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container.
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With the `multi` option execute commands inside the container::
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docker exec -it mistral-api bash
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E.g. to list workflows, issue::
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mistral workflow-list
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The script also configures the containers so that the Mistral API will be
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accessible from the host machine on the default port 8989. So it is also
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possible to install the `mistral-pythonclient` to the host machine and
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execute commands there.
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Configuring Mistral
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-------------------
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The Mistral configuration is stored in the Docker image. The changes to the
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configuration should be synchronized between all deployed containers to
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ensure consistent behavior. This can be achieved by mounting the configuration
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as a volume::
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export EXTRA_OPTS='-v <path to local mistral.conf>:/etc/mistral/mistral.conf:ro'
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start_mistral_rabbit_mysql.sh multi
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@ -1,22 +1,53 @@
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FROM ubuntu:16.04
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MAINTAINER hardik.parekh@nectechnologies.in
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FROM krallin/ubuntu-tini:16.04
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ADD . /opt/stack/mistral
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MAINTAINER Andras Kovi <akovi@nokia.com>
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RUN /opt/stack/mistral/tools/docker/Dockerfile_script.sh
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RUN export DEBIAN_FRONTEND=noninteractive && \
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apt-get -qq update && \
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apt-get install -y \
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curl \
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git \
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libffi-dev \
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libssl-dev \
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libxml2-dev \
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libxslt1-dev \
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libyaml-dev \
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mc \
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python-dev \
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python-pip \
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python-setuptools \
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swig \
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cmake \
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crudini \
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libuv1 \
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libuv1-dev
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RUN pip install -v v8eval && python -c 'import v8eval'
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RUN apt-get install -y libmysqlclient-dev && \
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pip install mysql-python
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RUN pip install -U tox python-mistralclient pip
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COPY . /opt/stack/mistral
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RUN curl -o /tmp/upper-constraints.txt http://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt && \
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sed -i '/^mistral.*/d' /tmp/upper-constraints.txt &&\
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pip install -e /opt/stack/mistral
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RUN mkdir -p /etc/mistral
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RUN oslo-config-generator \
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--config-file /opt/stack/mistral/tools/config/config-generator.mistral.conf \
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--output-file /etc/mistral/mistral.conf
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RUN INI_SET="crudini --set /etc/mistral/mistral.conf" && \
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$INI_SET DEFAULT js_implementation v8eval && \
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$INI_SET DEFAULT transport_url rabbit://guest:guest@rabbitmq:5672/ && \
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$INI_SET database connection mysql://root:strangehat@mysql:3306/mistral && \
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$INI_SET oslo_policy policy_file /opt/stack/mistral/etc/policy.json && \
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$INI_SET pecan auth_enable false
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EXPOSE 8989
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VOLUME ["/opt/stack/mistral"]
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VOLUME ["/home/mistral"]
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WORKDIR /home/mistral
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CMD mistral-server --server all --config-file /home/mistral/mistral.conf
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ENV TINI_SHA 066ad710107dc7ee05d3aa6e4974f01dc98f3888
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# Use tini as subreaper in Docker container to adopt zombie processes
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RUN curl -fsSL https://github.com/krallin/tini/releases/download/v0.5.0/tini-static -o /bin/tini \
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&& chmod +x /bin/tini \
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&& echo "$TINI_SHA /bin/tini" | sha1sum -c -
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ENTRYPOINT ["/bin/tini", "--"]
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CMD mistral-server --server all
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@ -1,48 +0,0 @@
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#! /bin/bash -xe
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#Mistral Installation.
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export DEBIAN_FRONTEND=noninteractive
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apt-get -qq update
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apt-get install -y \
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curl \
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git \
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libffi-dev \
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libssl-dev \
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libxml2-dev \
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libxslt1-dev \
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libyaml-dev \
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mc \
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python-dev \
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python-pip \
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python-setuptools \
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sudo
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sudo pip install tox==1.6.1 python-mistralclient
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cd /opt/stack/mistral
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pip install -r requirements.txt
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pip install .
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mkdir -p /home/mistral
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cd /home/mistral
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oslo-config-generator --config-file /opt/stack/mistral/tools/config/config-generator.mistral.conf --output-file /home/mistral/mistral.conf
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python /opt/stack/mistral/tools/sync_db.py --config-file /home/mistral/mistral.conf
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#Configure Mistral.
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python -c "
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import ConfigParser
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c = ConfigParser.ConfigParser()
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c.read('/home/mistral/mistral.conf')
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c.set('database','connection','sqlite:////home/mistral/mistral.sqlite')
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c.set('DEFAULT', 'transport_url', 'rabbit://guest:guest@rabbitmq:5672/')
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c.set('oslo_policy', 'policy_file', '/opt/stack/mistral/etc/policy.json')
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c.set('pecan', 'auth_enable', 'false')
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with open('/home/mistral/mistral.conf', 'w') as f:
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c.write(f)
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"
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# install pyv8 to be able to run javscript actions (note that this breaks
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# portability because of architecture dependent binaries)
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curl -k "https://raw.githubusercontent.com/emmetio/pyv8-binaries/master/pyv8-linux64.zip" > /tmp/pyv8.zip
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unzip /tmp/pyv8.zip -d /tmp/
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cp /tmp/*PyV8* /usr/lib/python2.7/dist-packages/
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@ -1,39 +1,111 @@
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#! /bin/bash -xe
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#! /bin/bash -e
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docker rm -f mistral-mysql mistral-rabbitmq mistral | true
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if [ "${1}" == "--help" ]; then
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echo '
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Synopsis:
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docker run -d --name mistral-mysql -e MYSQL_ROOT_PASSWORD=strangehat mysql
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docker run -d --name mistral-rabbitmq rabbitmq
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start_mistral_rabbit_mysql.sh [single|multi|clean]
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docker run -d --link mistral-mysql:mysql --link mistral-rabbitmq:rabbitmq --name mistral mistral-all
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Environment variables:
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EXTRA_OPTS : extra parameters to be used for all mistral containers (e.g. -v)
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MYSQL_ROOT_PASSWORD : password for the MySQL server
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SCRATCH : remove all existing containers (RabbitMQ and MySQL are not removed by default)
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'
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exit 0
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fi
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MODE=${1:-single}
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export MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD:-strangehat}
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MISTRAL_CONTAINERS=$(docker ps -a --format '{{.ID}} {{.Names}}' | grep mistral || true)
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if [ -z "$SCRATCH" -a "$MODE" != 'clean' ]; then
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MISTRAL_CONTAINERS=$(echo "$MISTRAL_CONTAINERS" | grep -v rabbitmq | grep -v mysql | cat)
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fi
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if [ -n "$MISTRAL_CONTAINERS" ]; then
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echo "Removing existing containers: $MISTRAL_CONTAINERS"
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KILLED_CONTAINERS=$(echo "$MISTRAL_CONTAINERS" | awk '{print $1}')
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docker kill -s 9 $KILLED_CONTAINERS
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docker rm $KILLED_CONTAINERS
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fi
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if [ "$MODE" == 'clean' ]; then
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echo "Clean complete"
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exit 0
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fi
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if [ -z "$(docker ps -aq --filter "Name=mistral-mysql")" ]; then
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docker create --name mistral-mysql -e MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD} mysql
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fi
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docker start mistral-mysql
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if [ -z "$(docker ps -aq --filter "Name=mistral-rabbitmq")" ]; then
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docker create --name mistral-rabbitmq rabbitmq
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fi
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docker start mistral-rabbitmq
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while true; do
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sleep 5
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docker exec mistral-mysql \
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mysql -u root -pstrangehat \
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-e "CREATE DATABASE IF NOT EXISTS mistral;
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USE mistral;
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GRANT ALL ON mistral.* TO 'root'@'%' IDENTIFIED BY '${MYSQL_ROOT_PASSWORD}'" \
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&& break || true
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done
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sleep 10
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docker exec mistral-mysql mysql -u root -pstrangehat -e "CREATE DATABASE mistral; USE mistral; GRANT ALL ON mistral.* TO 'root'@'%' IDENTIFIED BY 'strangehat'"
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docker run -dit --link mistral-mysql:mysql --name mistral-db-setup mistral-all cat
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docker exec mistral-db-setup python /opt/stack/mistral/tools/sync_db.py
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docker kill -s 9 mistral-db-setup
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docker rm mistral-db-setup
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docker exec mistral apt-get install -y libmysqlclient-dev
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docker exec mistral pip install mysql-python
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docker exec mistral cp mistral.conf mistral.conf.orig
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docker exec mistral python -c "
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import ConfigParser
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c = ConfigParser.ConfigParser()
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c.read('/home/mistral/mistral.conf')
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c.set('DEFAULT', 'transport_url', 'rabbit://guest:guest@rabbitmq:5672/')
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c.set('database','connection','mysql://root:strangehat@mysql:3306/mistral')
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c.set('pecan', 'auth_enable', 'false')
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with open('/home/mistral/mistral.conf', 'w') as f:
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c.write(f)
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"
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function run_mistral() {
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NAME=${1:-mistral}
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shift || true
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LINKS='--link mistral-mysql:mysql --link mistral-rabbitmq:rabbitmq'
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docker run \
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-d \
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--name $NAME \
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$LINKS \
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${EXTRA_OPTS} \
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${OPTS} \
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mistral-all "$@"
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}
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docker exec mistral python /opt/stack/mistral/tools/sync_db.py --config-file /home/mistral/mistral.conf
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unset OPTS
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docker restart mistral
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case "$MODE" in
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echo "
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Enter the container:
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docker exec -it mistral bash
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single)
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# Single node setup
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# The CMD of the mistral-all image runs the `mistral-server --server all` command.
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OPTS="-p 8989:8989" run_mistral
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List workflows
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docker exec mistral mistral workflow-list
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echo "
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Enter the container:
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docker exec -it mistral bash
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||||
List workflows
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||||
docker exec mistral mistral workflow-list
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||||
"
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||||
;;
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||||
multi)
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# Multinode setup
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||||
OPTS="-p 8989:8989" run_mistral "mistral-api" mistral-server --server api
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||||
run_mistral "mistral-engine" mistral-server --server engine
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||||
run_mistral "mistral-executor-1" mistral-server --server executor
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||||
run_mistral "mistral-executor-2" mistral-server --server executor
|
||||
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||||
echo "
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||||
List workflows
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||||
docker exec mistral-api mistral workflow-list
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||||
"
|
||||
;;
|
||||
esac
|
||||
|
||||
"
|
||||
|
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|
|||
Loading…
Reference in New Issue