651 lines
21 KiB
ReStructuredText
651 lines
21 KiB
ReStructuredText
.. _openstack-driver:
|
|
|
|
.. default-domain:: zuul
|
|
|
|
OpenStack Driver
|
|
----------------
|
|
|
|
Selecting the OpenStack driver adds the following options to the
|
|
:attr:`providers` section of the configuration.
|
|
|
|
.. attr-overview::
|
|
:prefix: providers.[openstack]
|
|
:maxdepth: 3
|
|
|
|
.. attr:: providers.[openstack]
|
|
|
|
Specifying the ``openstack`` driver for a provider adds the
|
|
following keys to the :attr:`providers` configuration.
|
|
|
|
.. note:: For documentation purposes the option names are prefixed
|
|
``providers.[openstack]`` to disambiguate from other
|
|
drivers, but ``[openstack]`` is not required in the
|
|
configuration (e.g. below ``providers.[openstack].cloud``
|
|
refers to the ``cloud`` key in the ``providers`` section
|
|
when the ``openstack`` driver is selected).
|
|
|
|
An OpenStack provider's resources are partitioned into groups
|
|
called "pools" (see :attr:`providers.[openstack].pools` for details),
|
|
and within a pool, the node types which are to be made available
|
|
are listed (see :attr:`providers.[openstack].pools.labels` for
|
|
details).
|
|
|
|
Within each OpenStack provider the available Nodepool image types
|
|
are defined (see :attr:`providers.[openstack].diskimages`).
|
|
|
|
.. code-block:: yaml
|
|
|
|
providers:
|
|
- name: provider1
|
|
driver: openstack
|
|
cloud: example
|
|
region-name: 'region1'
|
|
rate: 1.0
|
|
boot-timeout: 120
|
|
launch-timeout: 900
|
|
launch-retries: 3
|
|
image-name-format: '{image_name}-{timestamp}'
|
|
hostname-format: '{label.name}-{provider.name}-{node.id}'
|
|
post-upload-hook: /usr/bin/custom-hook
|
|
diskimages:
|
|
- name: trusty
|
|
meta:
|
|
key: value
|
|
key2: value
|
|
- name: precise
|
|
- name: devstack-trusty
|
|
pools:
|
|
- name: main
|
|
max-servers: 96
|
|
availability-zones:
|
|
- az1
|
|
networks:
|
|
- some-network-name
|
|
security-groups:
|
|
- zuul-security-group
|
|
labels:
|
|
- name: trusty
|
|
min-ram: 8192
|
|
diskimage: trusty
|
|
console-log: True
|
|
- name: precise
|
|
min-ram: 8192
|
|
diskimage: precise
|
|
- name: devstack-trusty
|
|
min-ram: 8192
|
|
diskimage: devstack-trusty
|
|
- name: provider2
|
|
driver: openstack
|
|
cloud: example2
|
|
region-name: 'region1'
|
|
rate: 1.0
|
|
image-name-format: '{image_name}-{timestamp}'
|
|
hostname-format: '{label.name}-{provider.name}-{node.id}'
|
|
diskimages:
|
|
- name: precise
|
|
meta:
|
|
key: value
|
|
key2: value
|
|
pools:
|
|
- name: main
|
|
max-servers: 96
|
|
labels:
|
|
- name: trusty
|
|
min-ram: 8192
|
|
diskimage: trusty
|
|
- name: precise
|
|
min-ram: 8192
|
|
diskimage: precise
|
|
- name: devstack-trusty
|
|
min-ram: 8192
|
|
diskimage: devstack-trusty
|
|
|
|
.. attr:: cloud
|
|
:type: string
|
|
:required:
|
|
|
|
Name of a cloud configured in ``clouds.yaml``.
|
|
|
|
The instances spawned by nodepool will inherit the default
|
|
security group of the project specified in the cloud definition
|
|
in `clouds.yaml` (if other values not specified). This means
|
|
that when working with Zuul, for example, SSH traffic (TCP/22)
|
|
must be allowed in the project's default security group for Zuul
|
|
to be able to reach instances.
|
|
|
|
More information about the contents of `clouds.yaml` can be
|
|
found in `the openstacksdk documentation
|
|
<https://docs.openstack.org/openstacksdk/>`_.
|
|
|
|
.. attr:: boot-timeout
|
|
:type: int seconds
|
|
:default: 60
|
|
|
|
Once an instance is active, how long to try connecting to the
|
|
image via SSH. If the timeout is exceeded, the node launch is
|
|
aborted and the instance deleted.
|
|
|
|
.. attr:: launch-timeout
|
|
:type: int seconds
|
|
:default: 3600
|
|
|
|
The time to wait from issuing the command to create a new instance
|
|
until that instance is reported as "active". If the timeout is
|
|
exceeded, the node launch is aborted and the instance deleted.
|
|
|
|
.. attr:: nodepool-id
|
|
:type: string
|
|
:default: None
|
|
|
|
*Deprecated*
|
|
|
|
A unique string to identify which nodepool instances is using a
|
|
provider. This is useful if you want to configure production
|
|
and development instances of nodepool but share the same
|
|
provider.
|
|
|
|
.. attr:: launch-retries
|
|
:type: int
|
|
:default: 3
|
|
|
|
The number of times to retry launching a server before
|
|
considering the job failed.
|
|
|
|
.. attr:: region-name
|
|
:type: string
|
|
|
|
The region name if the provider cloud has multiple regions.
|
|
|
|
.. attr:: hostname-format
|
|
:type: string
|
|
:default: {label.name}-{provider.name}-{node.id}
|
|
|
|
Hostname template to use for the spawned instance.
|
|
|
|
.. attr:: image-name-format
|
|
:type: string
|
|
:default: {image_name}-{timestamp}
|
|
|
|
Format for image names that are uploaded to providers.
|
|
|
|
.. attr:: post-upload-hook
|
|
:type: string
|
|
:default: None
|
|
|
|
Filename of an optional script that can be called after an image has
|
|
been uploaded to a provider but before it is taken into use. This is
|
|
useful to perform last minute validation tests before an image is
|
|
really used for build nodes. The script will be called as follows:
|
|
|
|
``<SCRIPT> <PROVIDER> <EXTERNAL_IMAGE_ID> <LOCAL_IMAGE_FILENAME>``
|
|
|
|
If the script returns with result code 0 it is treated as successful
|
|
otherwise it is treated as failed and the image gets deleted.
|
|
|
|
.. attr:: rate
|
|
:type: int seconds
|
|
:default: 1
|
|
|
|
In seconds, amount to wait between operations on the provider.
|
|
|
|
.. attr:: clean-floating-ips
|
|
:type: bool
|
|
:default: True
|
|
|
|
If it is set to True, nodepool will assume it is the only user of
|
|
the OpenStack project and will attempt to clean unattached
|
|
floating ips that may have leaked around restarts.
|
|
|
|
.. attr:: port-cleanup-interval
|
|
:type: int seconds
|
|
:default: 600
|
|
|
|
If greater than 0, nodepool will assume it is the only user of the
|
|
OpenStack project and will attempt to clean ports in `DOWN` state after
|
|
the cleanup interval has elapsed. This value can be reduced if the
|
|
instance spawn time on the provider is reliably quicker.
|
|
|
|
.. attr:: diskimages
|
|
:type: list
|
|
|
|
Each entry in a provider's `diskimages` section must correspond
|
|
to an entry in :attr:`diskimages`. Such an entry indicates that
|
|
the corresponding diskimage should be uploaded for use in this
|
|
provider. Additionally, any nodes that are created using the
|
|
uploaded image will have the associated attributes (such as
|
|
flavor or metadata).
|
|
|
|
If an image is removed from this section, any previously uploaded
|
|
images will be deleted from the provider.
|
|
|
|
.. code-block:: yaml
|
|
|
|
diskimages:
|
|
- name: precise
|
|
pause: False
|
|
meta:
|
|
key: value
|
|
key2: value
|
|
- name: windows
|
|
connection-type: winrm
|
|
connection-port: 5986
|
|
|
|
Each entry is a dictionary with the following keys
|
|
|
|
.. attr:: name
|
|
:type: string
|
|
:required:
|
|
|
|
Identifier to refer this image from
|
|
:attr:`providers.[openstack].pools.labels` and
|
|
:attr:`diskimages` sections.
|
|
|
|
.. attr:: pause
|
|
:type: bool
|
|
:default: False
|
|
|
|
When set to True, nodepool-builder will not upload the image
|
|
to the provider.
|
|
|
|
.. attr:: config-drive
|
|
:type: bool
|
|
:default: unset
|
|
|
|
Whether config drive should be used for the image. Defaults to
|
|
unset which will use the cloud's default behavior.
|
|
|
|
.. attr:: meta
|
|
:type: dict
|
|
|
|
Arbitrary key/value metadata to store for this server using
|
|
the Nova metadata service. A maximum of five entries is
|
|
allowed, and both keys and values must be 255 characters or
|
|
less.
|
|
|
|
.. attr:: connection-type
|
|
:type: string
|
|
|
|
The connection type that a consumer should use when connecting
|
|
to the node. For most diskimages this is not
|
|
necessary. However when creating Windows images this could be
|
|
``winrm`` to enable access via ansible.
|
|
|
|
.. attr:: connection-port
|
|
:type: int
|
|
:default: 22 / 5986
|
|
|
|
The port that a consumer should use when connecting to the
|
|
node. For most diskimages this is not necessary. This defaults
|
|
to 22 for ssh and 5986 for winrm.
|
|
|
|
.. attr:: cloud-images
|
|
:type: list
|
|
|
|
Each entry in this section must refer to an entry in the
|
|
:attr:`labels` section.
|
|
|
|
.. code-block:: yaml
|
|
|
|
cloud-images:
|
|
- name: trusty-external
|
|
config-drive: False
|
|
- name: windows-external
|
|
connection-type: winrm
|
|
connection-port: 5986
|
|
|
|
Each entry is a dictionary with the following keys
|
|
|
|
.. attr:: name
|
|
:type: string
|
|
:required:
|
|
|
|
Identifier to refer this cloud-image from :attr:`labels`
|
|
section. Since this name appears elsewhere in the nodepool
|
|
configuration file, you may want to use your own descriptive
|
|
name here and use one of ``image-id`` or ``image-name`` to
|
|
specify the cloud image so that if the image name or id
|
|
changes on the cloud, the impact to your Nodepool
|
|
configuration will be minimal. However, if neither of those
|
|
attributes are provided, this is also assumed to be the image
|
|
name or ID in the cloud.
|
|
|
|
.. attr:: config-drive
|
|
:type: bool
|
|
:default: unset
|
|
|
|
Whether config drive should be used for the cloud
|
|
image. Defaults to unset which will use the cloud's default
|
|
behavior.
|
|
|
|
.. attr:: image-id
|
|
:type: str
|
|
|
|
If this is provided, it is used to select the image from the
|
|
cloud provider by ID, rather than name. Mutually exclusive
|
|
with :attr:`providers.[openstack].cloud-images.image-name`
|
|
|
|
.. attr:: image-name
|
|
:type: str
|
|
|
|
If this is provided, it is used to select the image from the
|
|
cloud provider by this name or ID. Mutually exclusive with
|
|
:attr:`providers.[openstack].cloud-images.image-id`
|
|
|
|
.. attr:: username
|
|
:type: str
|
|
|
|
The username that a consumer should use when connecting to the
|
|
node.
|
|
|
|
.. attr:: python-path
|
|
:type: str
|
|
:default: auto
|
|
|
|
The path of the default python interpreter. Used by Zuul to set
|
|
``ansible_python_interpreter``. The special value ``auto`` will
|
|
direct Zuul to use inbuilt Ansible logic to select the
|
|
interpreter on Ansible >=2.8, and default to
|
|
``/usr/bin/python2`` for earlier versions.
|
|
|
|
.. attr:: shell-type
|
|
:type: str
|
|
:default: sh
|
|
|
|
The shell type of the node's default shell executable. Used by Zuul
|
|
to set ``ansible_shell_type``. This setting should only be used
|
|
|
|
- For a windows image with the experimental `connection-type`
|
|
``ssh``, in which case ``cmd`` or ``powershell`` should be set
|
|
and reflect the node's ``DefaultShell`` configuration.
|
|
- If the default shell is not Bourne compatible (sh), but instead
|
|
e.g. ``csh`` or ``fish``, and the user is aware that there is a
|
|
long-standing issue with ``ansible_shell_type`` in combination
|
|
with ``become``
|
|
|
|
.. attr:: connection-type
|
|
:type: str
|
|
|
|
The connection type that a consumer should use when connecting
|
|
to the node. For most diskimages this is not
|
|
necessary. However when creating Windows images this could be
|
|
'winrm' to enable access via ansible.
|
|
|
|
.. attr:: connection-port
|
|
:type: int
|
|
:default: 22/ 5986
|
|
|
|
The port that a consumer should use when connecting to the
|
|
node. For most diskimages this is not necessary. This defaults
|
|
to 22 for ssh and 5986 for winrm.
|
|
|
|
.. attr:: pools
|
|
:type: list
|
|
|
|
A pool defines a group of resources from an OpenStack
|
|
provider. Each pool has a maximum number of nodes which can be
|
|
launched from it, along with a number of cloud-related attributes
|
|
used when launching nodes.
|
|
|
|
.. code-block:: yaml
|
|
|
|
pools:
|
|
- name: main
|
|
max-servers: 96
|
|
availability-zones:
|
|
- az1
|
|
networks:
|
|
- some-network-name
|
|
security-groups:
|
|
- zuul-security-group
|
|
auto-floating-ip: False
|
|
host-key-checking: True
|
|
node-attributes:
|
|
key1: value1
|
|
key2: value2
|
|
labels:
|
|
- name: trusty
|
|
min-ram: 8192
|
|
diskimage: trusty
|
|
console-log: True
|
|
- name: precise
|
|
min-ram: 8192
|
|
diskimage: precise
|
|
- name: devstack-trusty
|
|
min-ram: 8192
|
|
diskimage: devstack-trusty
|
|
|
|
Each entry is a dictionary with the following keys
|
|
|
|
.. attr:: name
|
|
:type: string
|
|
:required:
|
|
|
|
Pool name
|
|
|
|
.. attr:: node-attributes
|
|
:type: dict
|
|
|
|
A dictionary of key-value pairs that will be stored with the node data
|
|
in ZooKeeper. The keys and values can be any arbitrary string.
|
|
|
|
.. attr:: max-cores
|
|
:type: int
|
|
|
|
Maximum number of cores usable from this pool. This can be used
|
|
to limit usage of the tenant. If not defined nodepool can use
|
|
all cores up to the quota of the tenant.
|
|
|
|
.. attr:: max-servers
|
|
:type: int
|
|
|
|
Maximum number of servers spawnable from this pool. This can
|
|
be used to limit the number of servers. If not defined
|
|
nodepool can create as many servers the tenant allows.
|
|
|
|
.. attr:: max-ram
|
|
:type: int
|
|
|
|
Maximum ram usable from this pool. This can be used to limit
|
|
the amount of ram allocated by nodepool. If not defined
|
|
nodepool can use as much ram as the tenant allows.
|
|
|
|
.. attr:: ignore-provider-quota
|
|
:type: bool
|
|
:default: False
|
|
|
|
Ignore the provider quota for this pool. Instead, only check
|
|
against the configured max values for this pool and the
|
|
current usage based on stored data. This may be useful in
|
|
circumstances where the provider is incorrectly calculating
|
|
quota.
|
|
|
|
.. attr:: availability-zones
|
|
:type: list
|
|
|
|
A list of availability zones to use.
|
|
|
|
If this setting is omitted, nodepool will fetch the list of
|
|
all availability zones from nova. To restrict nodepool to a
|
|
subset of availability zones, supply a list of availability
|
|
zone names in this setting.
|
|
|
|
Nodepool chooses an availability zone from the list at random
|
|
when creating nodes but ensures that all nodes for a given
|
|
request are placed in the same availability zone.
|
|
|
|
.. attr:: networks
|
|
:type: list
|
|
|
|
Specify custom Neutron networks that get attached to each
|
|
node. Specify the name or id of the network as a string.
|
|
|
|
.. attr:: security-groups
|
|
:type: list
|
|
|
|
Specify custom Neutron security groups that get attached to
|
|
each node. Specify the name or id of the security_group as a
|
|
string.
|
|
|
|
.. attr:: auto-floating-ip
|
|
:type: bool
|
|
:default: True
|
|
|
|
Specify custom behavior of allocating floating ip for each
|
|
node. When set to False, ``nodepool-launcher`` will not apply
|
|
floating ip for nodes. When zuul instances and nodes are
|
|
deployed in the same internal private network, set the option
|
|
to False to save floating ip for cloud provider.
|
|
|
|
.. attr:: host-key-checking
|
|
:type: bool
|
|
:default: True
|
|
|
|
Specify custom behavior of validation of SSH host keys. When
|
|
set to False, nodepool-launcher will not ssh-keyscan nodes
|
|
after they are booted. This might be needed if
|
|
nodepool-launcher and the nodes it launches are on different
|
|
networks. The default value is True.
|
|
|
|
.. attr:: labels
|
|
:type: list
|
|
|
|
Each entry in a pool`s `labels` section indicates that the
|
|
corresponding label is available for use in this pool. When
|
|
creating nodes for a label, the flavor-related attributes in that
|
|
label's section will be used.
|
|
|
|
.. code-block:: yaml
|
|
|
|
labels:
|
|
- name: precise
|
|
min-ram: 8192
|
|
flavor-name: 'something to match'
|
|
console-log: True
|
|
- name: trusty
|
|
min-ram: 8192
|
|
networks:
|
|
- public
|
|
- private
|
|
|
|
Each entry is a dictionary with the following keys
|
|
|
|
.. attr:: name
|
|
:type: str
|
|
:required:
|
|
|
|
Identifier to refer this image; from :attr:`labels` and
|
|
:attr:`diskimages` sections.
|
|
|
|
.. attr:: diskimage
|
|
:type: str
|
|
:required:
|
|
|
|
Refers to provider's diskimages, see
|
|
:attr:`providers.[openstack].diskimages`. Mutually exclusive
|
|
with :attr:`providers.[openstack].pools.labels.cloud-image`
|
|
|
|
.. attr:: cloud-image
|
|
:type: str
|
|
:required:
|
|
|
|
Refers to the name of an externally managed image in the
|
|
cloud that already exists on the provider. The value of
|
|
``cloud-image`` should match the ``name`` of a previously
|
|
configured entry from the ``cloud-images`` section of the
|
|
provider. See :attr:`providers.[openstack].cloud-images`.
|
|
Mutually exclusive with
|
|
:attr:`providers.[openstack].pools.labels.diskimage`
|
|
|
|
.. attr:: flavor-name
|
|
:type: str
|
|
|
|
Name or id of the flavor to use. If
|
|
:attr:`providers.[openstack].pools.labels.min-ram` is
|
|
omitted, it must be an exact match. If
|
|
:attr:`providers.[openstack].pools.labels.min-ram` is given,
|
|
``flavor-name`` will be used to find flavor names that meet
|
|
:attr:`providers.[openstack].pools.labels.min-ram` and also
|
|
contain ``flavor-name``.
|
|
|
|
One of :attr:`providers.[openstack].pools.labels.min-ram` or
|
|
:attr:`providers.[openstack].pools.labels.flavor-name` must
|
|
be specified.
|
|
|
|
.. attr:: min-ram
|
|
:type: int
|
|
|
|
Determine the flavor to use (e.g. ``m1.medium``,
|
|
``m1.large``, etc). The smallest flavor that meets the
|
|
``min-ram`` requirements will be chosen.
|
|
|
|
One of :attr:`providers.[openstack].pools.labels.min-ram` or
|
|
:attr:`providers.[openstack].pools.labels.flavor-name` must
|
|
be specified.
|
|
|
|
.. attr:: boot-from-volume
|
|
:type: bool
|
|
:default: False
|
|
|
|
If given, the label for use in this pool will create a
|
|
volume from the image and boot the node from it.
|
|
|
|
.. attr:: host-key-checking
|
|
:type: bool
|
|
:default: True
|
|
|
|
Specify custom behavior of validation of SSH host keys. When set to
|
|
False, nodepool-launcher will not ssh-keyscan nodes after they are
|
|
booted. This might be needed if nodepool-launcher and the nodes it
|
|
launches are on different networks. The default value is True.
|
|
|
|
.. note:: This value will override the value for
|
|
:attr:`providers.[openstack].pools.host-key-checking`.
|
|
|
|
.. attr:: networks
|
|
:type: list
|
|
|
|
Specify custom Neutron networks that get attached to each
|
|
node. Specify the name or id of the network as a string.
|
|
|
|
.. note:: This value will override the value for
|
|
:attr:`providers.[openstack].pools.networks`.
|
|
|
|
.. attr:: key-name
|
|
:type: string
|
|
|
|
If given, is the name of a keypair that will be used when
|
|
booting each server.
|
|
|
|
.. attr:: console-log
|
|
:type: bool
|
|
:default: False
|
|
|
|
On the failure of the ssh ready check, download the server
|
|
console log to aid in debugging the problem.
|
|
|
|
.. attr:: volume-size
|
|
:type: int gigabytes
|
|
:default: 50
|
|
|
|
When booting an image from volume, how big should the
|
|
created volume be.
|
|
|
|
.. attr:: instance-properties
|
|
:type: dict
|
|
:default: None
|
|
|
|
A dictionary of key/value properties to set when booting
|
|
each server. These properties become available via the
|
|
``meta-data`` on the active server (e.g. within
|
|
``config-drive:openstack/latest/meta_data.json``)
|
|
|
|
.. attr:: userdata
|
|
:type: str
|
|
:default: None
|
|
|
|
A string of userdata for a node. Example usage is to install
|
|
cloud-init package on image which will apply the userdata.
|
|
Additional info about options in cloud-config:
|
|
https://cloudinit.readthedocs.io/en/latest/topics/examples.html
|
|
|