diff options
Diffstat (limited to 'docker')
| -rw-r--r-- | docker/README-containers.md | 50 | ||||
| -rw-r--r-- | docker/compute-post.yaml | 228 | ||||
| -rw-r--r-- | docker/copy-etc.sh | 3 | ||||
| -rw-r--r-- | docker/firstboot/install_docker_agents.yaml | 28 | ||||
| -rw-r--r-- | docker/firstboot/start_docker_agents.sh | 75 |
5 files changed, 384 insertions, 0 deletions
diff --git a/docker/README-containers.md b/docker/README-containers.md new file mode 100644 index 00000000..17990b54 --- /dev/null +++ b/docker/README-containers.md @@ -0,0 +1,50 @@ +# Using Docker Containers With TripleO + +## Configuring TripleO with to use a container based compute node. + +Steps include: +- Adding a base OS image to glance +- Deploy an overcloud configured to use the docker compute heat templates + +## Getting base OS image working. + +Download the fedora atomic image into glance: + +``` +wget https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Atomic-22-20150521.x86_64.qcow2 +glance image-create --name atomic-image --file Fedora-Cloud-Atomic-22-20150521.x86_64.qcow2 --disk-format qcow2 --container-format bare +``` + +## Configuring TripleO + +You can use the tripleo.sh script up until the point of running the Overcloud. +https://github.com/openstack/tripleo-common/blob/master/scripts/tripleo.sh + +Create the Overcloud: +``` +$ openstack overcloud deploy --templates=tripleo-heat-templates -e tripleo-heat-templates/environments/docker-rdo.yaml --libvirt-type=qemu +``` + +Source the overcloudrc and then you can use the overcloud. + +## Debugging + +You can ssh into the controller/compute nodes by using the heat key, eg: +``` +nova list +ssh heat-admin@<compute_node_ip> +``` + +You can check to see what docker containers are running: +``` +sudo docker ps -a +``` + +To enter a container that doesn't seem to be working right: +``` +sudo docker exec -ti <container name> /bin/bash +``` + +Then you can check logs etc. + +You can also just do a 'docker logs' on a given container. diff --git a/docker/compute-post.yaml b/docker/compute-post.yaml new file mode 100644 index 00000000..0d049ebc --- /dev/null +++ b/docker/compute-post.yaml @@ -0,0 +1,228 @@ +heat_template_version: 2015-04-30 + +description: > + OpenStack compute node post deployment for Docker. + +parameters: + servers: + type: json + NodeConfigIdentifiers: + type: json + description: Value which changes if the node configuration may need to be re-applied + DockerComputeImage: + type: string + DockerComputeDataImage: + type: string + DockerLibvirtImage: + type: string + DockerNeutronAgentImage: + type: string + DockerOpenvswitchImage: + type: string + DockerOvsVswitchdImage: + type: string + DockerOpenvswitchDBImage: + type: string + +resources: + + ComputePuppetConfig: + type: OS::Heat::SoftwareConfig + properties: + group: puppet + options: + enable_hiera: True + enable_facter: False + tags: package,file,concat,file_line,nova_config,neutron_config,neutron_agent_ovs,neutron_plugin_ml2 + inputs: + - name: tripleo::packages::enable_install + type: Boolean + default: True + outputs: + - name: result + config: + get_file: ../puppet/manifests/overcloud_compute.pp + + ComputePuppetDeployment: + type: OS::Heat::SoftwareDeployments + properties: + servers: {get_param: servers} + config: {get_resource: ComputePuppetConfig} + input_values: + update_identifier: {get_param: NodeConfigIdentifiers} + tripleo::packages::enable_install: True + + CopyEtcConfig: + type: OS::Heat::SoftwareConfig + properties: + group: script + outputs: + - name: result + config: {get_file: ./copy-etc.sh} + + CopyEtcDeployment: + type: OS::Heat::SoftwareDeployments + depends_on: ComputePuppetDeployment + properties: + config: {get_resource: CopyEtcConfig} + servers: {get_param: servers} + + NovaComputeContainersDeploymentOVS: + type: OS::Heat::StructuredDeployments + properties: + config: {get_resource: NovaComputeContainersConfigOVS} + servers: {get_param: servers} + + NovaComputeContainersConfigOVS: + type: OS::Heat::StructuredConfig + properties: + group: docker-compose + config: + ovsvswitchd: + image: {get_param: DockerOvsVswitchdImage} + container_name: ovs-vswitchd + net: host + privileged: true + restart: always + volumes: + - /run:/run + - /lib/modules:/lib/modules:ro + environment: + - KOLLA_CONFIG_STRATEGY=CONFIG_EXTERNAL_COPY_ALWAYS + + openvswitchdb: + image: {get_param: DockerOpenvswitchDBImage} + container_name: ovs-db-server + net: host + restart: always + volumes: + - /run:/run + environment: + - KOLLA_CONFIG_STRATEGY=CONFIG_EXTERNAL_COPY_ALWAYS + + NovaComputeContainersDeploymentNetconfig: + type: OS::Heat::SoftwareDeployments + depends_on: NovaComputeContainersDeploymentOVS + properties: + config: {get_resource: NovaComputeContainersConfigNetconfig} + servers: {get_param: servers} + + # We run os-net-config here because we depend on the ovs containers to be up + # and running before we configure the network. This allows explicit timing + # of the network configuration. + NovaComputeContainersConfigNetconfig: + type: OS::Heat::SoftwareConfig + properties: + group: script + outputs: + - name: result + config: | + #!/bin/bash + /usr/local/bin/run-os-net-config + + LibvirtContainersDeployment: + type: OS::Heat::StructuredDeployments + depends_on: [CopyEtcDeployment, ComputePuppetDeployment, NovaComputeContainersDeploymentNetconfig] + properties: + config: {get_resource: LibvirtContainersConfig} + servers: {get_param: servers} + + LibvirtContainersConfig: + type: OS::Heat::StructuredConfig + properties: + group: docker-compose + config: + computedata: + image: {get_param: DockerComputeDataImage} + container_name: computedata + + libvirt: + image: {get_param: DockerLibvirtImage} + container_name: libvirt + net: host + pid: host + privileged: true + restart: always + volumes: + - /run:/run + - /lib/modules:/lib/modules:ro + - /var/lib/etc-data/libvirt/libvirtd.conf:/opt/kolla/libvirtd/libvirtd.conf + - /var/lib/nova/instances:/var/lib/nova/instances + environment: + - KOLLA_CONFIG_STRATEGY=CONFIG_EXTERNAL_COPY_ALWAYS + volumes_from: + - computedata + + NovaComputeContainersDeployment: + type: OS::Heat::StructuredDeployments + depends_on: [CopyEtcDeployment, ComputePuppetDeployment, NovaComputeContainersDeploymentNetconfig, LibvirtContainersDeployment] + properties: + config: {get_resource: NovaComputeContainersConfig} + servers: {get_param: servers} + + NovaComputeContainersConfig: + type: OS::Heat::StructuredConfig + properties: + group: docker-compose + config: + openvswitch: + image: {get_param: DockerOpenvswitchImage} + container_name: openvswitch + net: host + privileged: true + restart: always + volumes: + - /run:/run + - /lib/modules:/lib/modules:ro + - /var/lib/etc-data/neutron/neutron.conf:/etc/kolla/neutron-openvswitch-agent/:ro + - /var/lib/etc-data/neutron/plugins/ml2/ml2_conf.ini:/etc/kolla/neutron-openvswitch-agent/:ro + environment: + - KOLLA_CONFIG_STRATEGY=CONFIG_EXTERNAL_COPY_ALWAYS + volumes_from: + - computedata + # FIXME: Kolla now uses a JSON model to run custom commands. We rebuilt a custom container to read in KOLLA_COMMAND_ARGS + + # FIXME: Here we're subjugating kolla's start scripts because we want our custom run command + neutronagent: + image: {get_param: DockerOpenvswitchImage} + container_name: neutronagent + net: host + pid: host + privileged: true + restart: always + volumes: + - /run:/run + - /lib/modules:/lib/modules:ro + - /var/lib/etc-data/neutron/neutron.conf:/etc/neutron/neutron.conf:ro + - /var/lib/etc-data/neutron/plugins/ml2/openvswitch_agent.ini:/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini:ro + environment: + - KOLLA_CONFIG_STRATEGY=CONFIG_EXTERNAL_COPY_ALWAYS + # FIXME: Kolla now uses a JSON model to run custom commands. We rebuilt a custom container to read in KOLLA_COMMAND_ARGS + - KOLLA_COMMAND_ARGS=--config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini + volumes_from: + - computedata + + novacompute: + image: {get_param: DockerComputeImage} + container_name: novacompute + net: host + privileged: true + restart: always + volumes: + - /run:/run + - /sys/fs/cgroup:/sys/fs/cgroup + - /lib/modules:/lib/modules:ro + - /var/lib/etc-data/:/etc/:ro + - /var/lib/nova/instances:/var/lib/nova/instances + volumes_from: + - computedata + # FIXME: this skips the kolla start.sh script and just starts Nova + # Ideally we'd have an environment that switched the kolla container + # to be externally configured. + command: /usr/bin/nova-compute + + ExtraConfig: + depends_on: NovaComputeContainersDeployment + type: OS::TripleO::NodeExtraConfigPost + properties: + servers: {get_param: servers} diff --git a/docker/copy-etc.sh b/docker/copy-etc.sh new file mode 100644 index 00000000..1a6cd520 --- /dev/null +++ b/docker/copy-etc.sh @@ -0,0 +1,3 @@ +#!/bin/bash +echo "Copying agent container /etc to /var/lib/etc-data" +cp -a /etc/* /var/lib/etc-data/ diff --git a/docker/firstboot/install_docker_agents.yaml b/docker/firstboot/install_docker_agents.yaml new file mode 100644 index 00000000..8adc8939 --- /dev/null +++ b/docker/firstboot/install_docker_agents.yaml @@ -0,0 +1,28 @@ +heat_template_version: 2014-10-16 + +parameters: + DockerAgentImage: + type: string + default: dprince/heat-docker-agents-centos + +resources: + + userdata: + type: OS::Heat::MultipartMime + properties: + parts: + - config: {get_resource: install_docker_agents} + + install_docker_agents: + type: OS::Heat::SoftwareConfig + properties: + group: script + config: + str_replace: + params: + $agent_image: {get_param: DockerAgentImage} + template: {get_file: ./start_docker_agents.sh} + +outputs: + OS::stack_id: + value: {get_resource: userdata} diff --git a/docker/firstboot/start_docker_agents.sh b/docker/firstboot/start_docker_agents.sh new file mode 100644 index 00000000..88759a5d --- /dev/null +++ b/docker/firstboot/start_docker_agents.sh @@ -0,0 +1,75 @@ +#!/bin/bash +set -eux + +# firstboot isn't split out by role yet so we handle it this way +if ! hostname | grep compute &>/dev/null; then + echo "Exiting. This script is only for the compute role." + exit 0 +fi + +mkdir -p /var/lib/etc-data/ #FIXME: this should be a docker data container + +# heat-docker-agents service +cat <<EOF > /etc/systemd/system/heat-docker-agents.service + +[Unit] +Description=Heat Docker Agent Container +After=docker.service +Requires=docker.service + +[Service] +User=root +Restart=on-failure +ExecStartPre=-/usr/bin/docker kill heat-agents +ExecStartPre=-/usr/bin/docker rm heat-agents +ExecStartPre=/usr/bin/docker pull $agent_image +ExecStart=/usr/bin/docker run --name heat-agents --privileged --net=host -v /var/lib/etc-data:/var/lib/etc-data -v /run:/run -v /etc:/host/etc -v /usr/bin/atomic:/usr/bin/atomic -v /var/lib/dhclient:/var/lib/dhclient -v /var/lib/cloud:/var/lib/cloud -v /var/lib/heat-cfntools:/var/lib/heat-cfntools --entrypoint=/usr/bin/os-collect-config $agent_image +ExecStop=/usr/bin/docker stop heat-agents + +[Install] +WantedBy=multi-user.target + +EOF + +# update docker for local insecure registry(optional) +# Note: This is different for different docker versions +# For older docker versions < 1.4.x use commented line +#echo "OPTIONS='--insecure-registry $docker_registry'" >> /etc/sysconfig/docker +#echo "ADD_REGISTRY='--registry-mirror $docker_registry'" >> /etc/sysconfig/docker + +# Local docker registry 1.8 +#/bin/sed -i s/ADD_REGISTRY/#ADD_REGISTRY/ /etc/sysconfig/docker + +/sbin/setenforce 0 +/sbin/modprobe ebtables + +# Create /var/lib/etc-data for now. FIXME: This should go into a data container. +#mkdir -p /var/lib/etc-data + +echo nameserver 8.8.8.8 > /etc/resolv.conf + +# We need hostname -f to return in a centos container for the puppet hook +HOSTNAME=$(hostname) +echo "127.0.0.1 $HOSTNAME.localdomain $HOSTNAME" >> /etc/hosts + +# Another hack.. we need a different docker version +# (should obviously be dropped once the atomic image contains docker 1.8.2) +/usr/bin/systemctl stop docker.service +/bin/curl -o /tmp/docker https://get.docker.com/builds/Linux/x86_64/docker-1.8.2 +/bin/mount -o remount,rw /usr +/bin/rm /bin/docker +/bin/cp /tmp/docker /bin/docker +/bin/chmod 755 /bin/docker + +# enable and start docker +/usr/bin/systemctl enable docker.service +/usr/bin/systemctl restart --no-block docker.service + +# enable and start heat-docker-agents +chmod 0640 /etc/systemd/system/heat-docker-agents.service +/usr/bin/systemctl enable heat-docker-agents.service +/usr/bin/systemctl start --no-block heat-docker-agents.service + +# Disable NetworkManager and let the ifup/down scripts work properly. +/usr/bin/systemctl disable NetworkManager +/usr/bin/systemctl stop NetworkManager |