Difference between revisions of "Solum/configurations"
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Solum supports following deployment configurations: | Solum supports following deployment configurations: | ||
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- Deploying application containers (DU) using nova-docker (deploy-direct-container configuration) | - Deploying application containers (DU) using nova-docker (deploy-direct-container configuration) | ||
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- Deploying application containers (DU) on VM (deploy-container-on-vm configuration) | - Deploying application containers (DU) on VM (deploy-container-on-vm configuration) | ||
Workings of each of these configurations is described below. | Workings of each of these configurations is described below. | ||
| − | Deploying DU using nova-docker | + | === Deploying DU using nova-docker === |
This configuration is characterized by three things. First nova needs to be configured with the nova-docker compute driver. This is done by adding following line to /etc/nova/nova.conf: | This configuration is characterized by three things. First nova needs to be configured with the nova-docker compute driver. This is done by adding following line to /etc/nova/nova.conf: | ||
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https://github.com/openstack/solum/blob/master/etc/solum/templates/basic.yaml | https://github.com/openstack/solum/blob/master/etc/solum/templates/basic.yaml | ||
| − | Deploying DU on VM | + | === Deploying DU on VM === |
At a high-level this configuration works by first spinning up a VM and then running the DU image on it. Solum achieves this by: | At a high-level this configuration works by first spinning up a VM and then running the DU image on it. Solum achieves this by: | ||
| − | - storing the DU image in Swift | + | - storing the DU image in Swift |
| − | - generating a Swift tempURL for the DU | + | - generating a Swift tempURL for the DU |
| − | - passing the instructions to download the DU image from Swift, load it, and run it as part of the cloud-init section for the Heat template for deploying a VM. | + | - passing the instructions to download the DU image from Swift, load it, and run it as part of the cloud-init section for the Heat template for deploying a VM. |
In order to make this work, following settings are required. | In order to make this work, following settings are required. | ||
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- image_format value to 'vm' | - image_format value to 'vm' | ||
- add a variable 'image' and set its value to the id of the VM image (from Glance) that you want to use to spin up the VM | - add a variable 'image' and set its value to the id of the VM image (from Glance) that you want to use to spin up the VM | ||
| − | - add a variable 'flavor' and set its value to the flavor of the VM | + | - add a variable 'flavor' and set its value to the flavor of the VM |
Internally Solum performs the deployment using the 'coreos' heat template for deployment, which is available at: | Internally Solum performs the deployment using the 'coreos' heat template for deployment, which is available at: | ||
https://github.com/openstack/solum/blob/master/etc/solum/templates/coreos.yaml | https://github.com/openstack/solum/blob/master/etc/solum/templates/coreos.yaml | ||
Revision as of 05:00, 8 June 2016
Solum supports following deployment configurations:
- Deploying application containers (DU) using nova-docker (deploy-direct-container configuration)
- Deploying application containers (DU) on VM (deploy-container-on-vm configuration)
Workings of each of these configurations is described below.
Deploying DU using nova-docker
This configuration is characterized by three things. First nova needs to be configured with the nova-docker compute driver. This is done by adding following line to /etc/nova/nova.conf: compute_driver = novadocker.virt.docker.driver.DockerDriver
Second, the DU images need to be stored in Glance for the nova-docker driver to deploy it. In Solum there is a configuration parameter that you can set that will cause the DU images to be stored in Glance. This is done by setting the image_storage property in /etc/solum/solum.conf to 'glance'.
Third, internally Solum performs the deployment using the 'basic' heat template, which is available at: https://github.com/openstack/solum/blob/master/etc/solum/templates/basic.yaml
Deploying DU on VM
At a high-level this configuration works by first spinning up a VM and then running the DU image on it. Solum achieves this by:
- storing the DU image in Swift - generating a Swift tempURL for the DU - passing the instructions to download the DU image from Swift, load it, and run it as part of the cloud-init section for the Heat template for deploying a VM.
In order to make this work, following settings are required.
In nova's /etc/nova/nova.conf, set the compute_driver value to 'libvirt.LibvirtDriver' In solum's /etc/solum/solum.conf set the following configuration variables:
- image_storage value to 'swift' - image_format value to 'vm' - add a variable 'image' and set its value to the id of the VM image (from Glance) that you want to use to spin up the VM - add a variable 'flavor' and set its value to the flavor of the VM
Internally Solum performs the deployment using the 'coreos' heat template for deployment, which is available at: https://github.com/openstack/solum/blob/master/etc/solum/templates/coreos.yaml
