.. [#pwhash] Using the MD5 hash of username, realm and password is
- described in :rfc:`2617` ("HTTP Authentication"), sections 3.2.2.2 and
- 3.3. The reason for using it over another algorithm is forward
+ described in :rfc:`2617` ("HTTP Authentication"), sections 3.2.2.2
+ and 3.3. The reason for using it over another algorithm is forward
compatibility. If ``ganeti-rapi`` were to implement HTTP Digest
authentication in the future, the same hash could be used.
In the current version ``ganeti-rapi``'s realm, ``Ganeti Remote
Force operation to continue even if it will cause the cluster to become
inconsistent (e.g. because there are not enough master candidates).
+Parameter details
+-----------------
+
+Some parameters are not straight forward, so we describe them in details
+here.
+
+.. _rapi-ipolicy:
+
+``ipolicy``
++++++++++++
+
+The instance policy specification is a dict with the following fields:
+
+.. pyassert::
+
+ constants.IPOLICY_ALL_KEYS == set([constants.ISPECS_MIN,
+ constants.ISPECS_MAX,
+ constants.ISPECS_STD,
+ constants.IPOLICY_DTS,
+ constants.IPOLICY_VCPU_RATIO,
+ constants.IPOLICY_SPINDLE_RATIO])
+
+
+.. pyassert::
+
+ (set(constants.ISPECS_PARAMETER_TYPES.keys()) ==
+ set([constants.ISPEC_MEM_SIZE,
+ constants.ISPEC_DISK_SIZE,
+ constants.ISPEC_DISK_COUNT,
+ constants.ISPEC_CPU_COUNT,
+ constants.ISPEC_NIC_COUNT,
+ constants.ISPEC_SPINDLE_USE]))
+
+.. |ispec-min| replace:: :pyeval:`constants.ISPECS_MIN`
+.. |ispec-max| replace:: :pyeval:`constants.ISPECS_MAX`
+.. |ispec-std| replace:: :pyeval:`constants.ISPECS_STD`
+
+
+|ispec-min|, |ispec-max|, |ispec-std|
+ A sub- `dict` with the following fields, which sets the limit and standard
+ values of the instances:
+
+ :pyeval:`constants.ISPEC_MEM_SIZE`
+ The size in MiB of the memory used
+ :pyeval:`constants.ISPEC_DISK_SIZE`
+ The size in MiB of the disk used
+ :pyeval:`constants.ISPEC_DISK_COUNT`
+ The numbers of disks used
+ :pyeval:`constants.ISPEC_CPU_COUNT`
+ The numbers of cpus used
+ :pyeval:`constants.ISPEC_NIC_COUNT`
+ The numbers of nics used
+ :pyeval:`constants.ISPEC_SPINDLE_USE`
+ The numbers of virtual disk spindles used by this instance. They are
+ not real in the sense of actual HDD spindles, but useful for
+ accounting the spindle usage on the residing node
+:pyeval:`constants.IPOLICY_DTS`
+ A `list` of disk templates allowed for instances using this policy
+:pyeval:`constants.IPOLICY_VCPU_RATIO`
+ Maximum ratio of virtual to physical CPUs (`float`)
+:pyeval:`constants.IPOLICY_SPINDLE_RATIO`
+ Maximum ratio of instances to their node's ``spindle_count`` (`float`)
+
Usage examples
--------------
``/``
+++++
-The root resource.
-
-It supports the following commands: ``GET``.
-
-``GET``
-~~~~~~~
-
-Shows the list of mapped resources.
-
-Returns: a dictionary with 'name' and 'uri' keys for each of them.
+The root resource. Has no function, but for legacy reasons the ``GET``
+method is supported.
``/2``
++++++
-The ``/2`` resource, the root of the version 2 API.
-
-It supports the following commands: ``GET``.
-
-``GET``
-~~~~~~~
-
-Show the list of mapped resources.
-
-Returns: a dictionary with ``name`` and ``uri`` keys for each of them.
+Has no function, but for legacy reasons the ``GET`` method is supported.
``/2/info``
+++++++++++
Redistribute configuration to all nodes. The result will be a job id.
+Job result:
+
+.. opcode_result:: OP_CLUSTER_REDIST_CONF
+
``/2/features``
+++++++++++++++
Returns a list of features supported by the RAPI server. Available
features:
-``instance-create-reqv1``
- Instance creation request data version 1 supported.
-``instance-reinstall-reqv1``
- Instance reinstall supports body parameters.
+.. pyassert::
+
+ rlib2.ALL_FEATURES == set([rlib2._INST_CREATE_REQV1,
+ rlib2._INST_REINSTALL_REQV1,
+ rlib2._NODE_MIGRATE_REQV1,
+ rlib2._NODE_EVAC_RES1])
+
+:pyeval:`rlib2._INST_CREATE_REQV1`
+ Instance creation request data version 1 supported
+:pyeval:`rlib2._INST_REINSTALL_REQV1`
+ Instance reinstall supports body parameters
+:pyeval:`rlib2._NODE_MIGRATE_REQV1`
+ Whether migrating a node (``/2/nodes/[node_name]/migrate``) supports
+ request body parameters
+:pyeval:`rlib2._NODE_EVAC_RES1`
+ Whether evacuating a node (``/2/nodes/[node_name]/evacuate``) returns
+ a new-style result (see resource description)
``/2/modify``
.. opcode_params:: OP_CLUSTER_SET_PARAMS
+Job result:
+
+.. opcode_result:: OP_CLUSTER_SET_PARAMS
+
``/2/groups``
+++++++++++++
(i.e ``?bulk=1``), the output contains detailed information about node
groups as a list.
+Returned fields: :pyeval:`utils.CommaJoin(sorted(rlib2.G_FIELDS))`.
+
Example::
[
Earlier versions used a parameter named ``name`` which, while still
supported, has been renamed to ``group_name``.
+Job result:
+
+.. opcode_result:: OP_GROUP_ADD
+
``/2/groups/[group_name]``
++++++++++++++++++++++++++
Returns information about a node group, similar to the bulk output from
the node group list.
+Returned fields: :pyeval:`utils.CommaJoin(sorted(rlib2.G_FIELDS))`.
+
``DELETE``
~~~~~~~~~~
It supports the ``dry-run`` argument.
+Job result:
+
+.. opcode_result:: OP_GROUP_REMOVE
+
``/2/groups/[group_name]/modify``
+++++++++++++++++++++++++++++++++
.. opcode_params:: OP_GROUP_SET_PARAMS
:exclude: group_name
+Job result:
+
+.. opcode_result:: OP_GROUP_SET_PARAMS
+
``/2/groups/[group_name]/rename``
+++++++++++++++++++++++++++++++++
.. opcode_params:: OP_GROUP_RENAME
:exclude: group_name
+Job result:
+
+.. opcode_result:: OP_GROUP_RENAME
+
``/2/groups/[group_name]/assign-nodes``
+++++++++++++++++++++++++++++++++++++++
.. opcode_params:: OP_GROUP_ASSIGN_NODES
:exclude: group_name, force, dry_run
+Job result:
+
+.. opcode_result:: OP_GROUP_ASSIGN_NODES
+
``/2/groups/[group_name]/tags``
+++++++++++++++++++++++++++++++
It supports the ``dry-run`` argument.
+``/2/instances-multi-alloc``
+++++++++++++++++++++++++++++
+
+Tries to allocate multiple instances.
+
+It supports the following commands: ``POST``
+
+``POST``
+~~~~~~~~
+
+The parameters:
+
+.. opcode_params:: OP_INSTANCE_MULTI_ALLOC
+
+Job result:
+
+.. opcode_result:: OP_INSTANCE_MULTI_ALLOC
+
+
``/2/instances``
++++++++++++++++
(i.e ``?bulk=1``), the output contains detailed information about
instances as a list.
+Returned fields: :pyeval:`utils.CommaJoin(sorted(rlib2.I_FIELDS))`.
+
Example::
[
been replaced by ``instance_name`` and ``os_type`` to match the
underlying opcode. The old names can still be used.
+Job result:
+
+.. opcode_result:: OP_INSTANCE_CREATE
+
``/2/instances/[instance_name]``
++++++++++++++++++++++++++++++++
Returns information about an instance, similar to the bulk output from
the instance list.
+Returned fields: :pyeval:`utils.CommaJoin(sorted(rlib2.I_FIELDS))`.
+
``DELETE``
~~~~~~~~~~
It supports the ``dry-run`` argument.
+Job result:
+
+.. opcode_result:: OP_INSTANCE_REMOVE
+
``/2/instances/[instance_name]/info``
+++++++++++++++++++++++++++++++++++++++
configuration without querying the instance's nodes. The result will be
a job id.
+Job result:
+
+.. opcode_result:: OP_INSTANCE_QUERY_DATA
+
``/2/instances/[instance_name]/reboot``
+++++++++++++++++++++++++++++++++++++++
It supports the ``dry-run`` argument.
+Job result:
+
+.. opcode_result:: OP_INSTANCE_REBOOT
+
``/2/instances/[instance_name]/shutdown``
+++++++++++++++++++++++++++++++++++++++++
.. opcode_params:: OP_INSTANCE_SHUTDOWN
:exclude: instance_name, dry_run
+Job result:
+
+.. opcode_result:: OP_INSTANCE_SHUTDOWN
+
``/2/instances/[instance_name]/startup``
++++++++++++++++++++++++++++++++++++++++
It supports the ``dry-run`` argument.
+Job result:
+
+.. opcode_result:: OP_INSTANCE_STARTUP
+
+
``/2/instances/[instance_name]/reinstall``
++++++++++++++++++++++++++++++++++++++++++++++
``POST``
~~~~~~~~
-Takes the parameters ``mode`` (one of ``replace_on_primary``,
-``replace_on_secondary``, ``replace_new_secondary`` or
-``replace_auto``), ``disks`` (comma separated list of disk indexes),
-``remote_node`` and ``iallocator``.
+Returns a job ID.
+
+Body parameters:
+
+.. opcode_params:: OP_INSTANCE_REPLACE_DISKS
+ :exclude: instance_name
+
+Ganeti 2.4 and below used query parameters. Those are deprecated and
+should no longer be used.
-Either ``remote_node`` or ``iallocator`` needs to be defined when using
-``mode=replace_new_secondary``.
+Job result:
-``mode`` is a mandatory parameter. ``replace_auto`` tries to determine
-the broken disk(s) on its own and replacing it.
+.. opcode_result:: OP_INSTANCE_REPLACE_DISKS
``/2/instances/[instance_name]/activate-disks``
Takes the bool parameter ``ignore_size``. When set ignore the recorded
size (useful for forcing activation when recorded size is wrong).
+Job result:
+
+.. opcode_result:: OP_INSTANCE_ACTIVATE_DISKS
+
``/2/instances/[instance_name]/deactivate-disks``
+++++++++++++++++++++++++++++++++++++++++++++++++
Takes no parameters.
+Job result:
+
+.. opcode_result:: OP_INSTANCE_DEACTIVATE_DISKS
+
+
+``/2/instances/[instance_name]/recreate-disks``
++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Recreate disks of an instance. Supports the following commands:
+``POST``.
+
+``POST``
+~~~~~~~~
+
+Returns a job ID.
+
+Body parameters:
+
+.. opcode_params:: OP_INSTANCE_RECREATE_DISKS
+ :exclude: instance_name
+
+Job result:
+
+.. opcode_result:: OP_INSTANCE_RECREATE_DISKS
+
``/2/instances/[instance_name]/disk/[disk_index]/grow``
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
.. opcode_params:: OP_INSTANCE_GROW_DISK
:exclude: instance_name, disk
+Job result:
+
+.. opcode_result:: OP_INSTANCE_GROW_DISK
+
``/2/instances/[instance_name]/prepare-export``
+++++++++++++++++++++++++++++++++++++++++++++++++
Takes one parameter, ``mode``, for the export mode. Returns a job ID.
+Job result:
+
+.. opcode_result:: OP_BACKUP_PREPARE
+
``/2/instances/[instance_name]/export``
+++++++++++++++++++++++++++++++++++++++++++++++++
:exclude: instance_name
:alias: target_node=destination
+Job result:
+
+.. opcode_result:: OP_BACKUP_EXPORT
+
``/2/instances/[instance_name]/migrate``
++++++++++++++++++++++++++++++++++++++++
.. opcode_params:: OP_INSTANCE_MIGRATE
:exclude: instance_name, live
+Job result:
+
+.. opcode_result:: OP_INSTANCE_MIGRATE
+
+
+``/2/instances/[instance_name]/failover``
++++++++++++++++++++++++++++++++++++++++++
+
+Does a failover of an instance.
+
+Supports the following commands: ``PUT``.
+
+``PUT``
+~~~~~~~
+
+Returns a job ID.
+
+Body parameters:
+
+.. opcode_params:: OP_INSTANCE_FAILOVER
+ :exclude: instance_name
+
+Job result:
+
+.. opcode_result:: OP_INSTANCE_FAILOVER
+
``/2/instances/[instance_name]/rename``
++++++++++++++++++++++++++++++++++++++++
.. opcode_params:: OP_INSTANCE_RENAME
:exclude: instance_name
+Job result:
+
+.. opcode_result:: OP_INSTANCE_RENAME
+
``/2/instances/[instance_name]/modify``
++++++++++++++++++++++++++++++++++++++++
.. opcode_params:: OP_INSTANCE_SET_PARAMS
:exclude: instance_name
+Job result:
+
+.. opcode_result:: OP_INSTANCE_SET_PARAMS
+
``/2/instances/[instance_name]/console``
++++++++++++++++++++++++++++++++++++++++
Returns a dictionary containing information about the instance's
console. Contained keys:
+.. pyassert::
+
+ constants.CONS_ALL == frozenset([
+ constants.CONS_MESSAGE,
+ constants.CONS_SSH,
+ constants.CONS_VNC,
+ constants.CONS_SPICE,
+ ])
+
``instance``
- Instance name.
+ Instance name
``kind``
- Console type, one of ``ssh``, ``vnc`` or ``msg``.
+ Console type, one of :pyeval:`constants.CONS_SSH`,
+ :pyeval:`constants.CONS_VNC`, :pyeval:`constants.CONS_SPICE`
+ or :pyeval:`constants.CONS_MESSAGE`
``message``
- Message to display (``msg`` type only).
+ Message to display (:pyeval:`constants.CONS_MESSAGE` type only)
``host``
- Host to connect to (``ssh`` and ``vnc`` only).
+ Host to connect to (:pyeval:`constants.CONS_SSH`,
+ :pyeval:`constants.CONS_VNC` or :pyeval:`constants.CONS_SPICE` only)
``port``
- TCP port to connect to (``vnc`` only).
+ TCP port to connect to (:pyeval:`constants.CONS_VNC` or
+ :pyeval:`constants.CONS_SPICE` only)
``user``
- Username to use (``ssh`` only).
+ Username to use (:pyeval:`constants.CONS_SSH` only)
``command``
- Command to execute on machine (``ssh`` only)
+ Command to execute on machine (:pyeval:`constants.CONS_SSH` only)
``display``
- VNC display number (``vnc`` only).
+ VNC display number (:pyeval:`constants.CONS_VNC` only)
``/2/instances/[instance_name]/tags``
Returns: a dictionary with jobs id and uri.
+If the optional bool *bulk* argument is provided and set to a true value
+(i.e. ``?bulk=1``), the output contains detailed information about jobs
+as a list.
+
+Returned fields for bulk requests (unlike other bulk requests, these
+fields are not the same as for per-job requests):
+:pyeval:`utils.CommaJoin(sorted(rlib2.J_FIELDS_BULK))`.
+
``/2/jobs/[job_id]``
++++++++++++++++++++
``GET``
~~~~~~~
-Returns a job status.
-
-Returns: a dictionary with job parameters.
+Returns a dictionary with job parameters, containing the fields
+:pyeval:`utils.CommaJoin(sorted(rlib2.J_FIELDS))`.
The result includes:
dict:
``fields``
- The job fields on which to watch for changes.
+ The job fields on which to watch for changes
``previous_job_info``
- Previously received field values or None if not yet available.
+ Previously received field values or None if not yet available
``previous_log_serial``
Highest log serial number received so far or None if not yet
- available.
+ available
Returns None if no changes have been detected and a dict with two keys,
``job_info`` and ``log_entries`` otherwise.
}
]
-If the optional 'bulk' argument is provided and set to 'true' value (i.e
-'?bulk=1'), the output contains detailed information about nodes as a
-list.
+If the optional bool *bulk* argument is provided and set to a true value
+(i.e ``?bulk=1``), the output contains detailed information about nodes
+as a list.
+
+Returned fields: :pyeval:`utils.CommaJoin(sorted(rlib2.N_FIELDS))`.
Example::
It supports the following commands: ``GET``.
+Returned fields: :pyeval:`utils.CommaJoin(sorted(rlib2.N_FIELDS))`.
+
+``/2/nodes/[node_name]/powercycle``
++++++++++++++++++++++++++++++++++++
+
+Powercycles a node. Supports the following commands: ``POST``.
+
+``POST``
+~~~~~~~~
+
+Returns a job ID.
+
+Job result:
+
+.. opcode_result:: OP_NODE_POWERCYCLE
+
+
``/2/nodes/[node_name]/evacuate``
+++++++++++++++++++++++++++++++++
longer supported. The new request can be detected by the presence of the
:pyeval:`rlib2._NODE_EVAC_RES1` feature string.
+Job result:
+
+.. opcode_result:: OP_NODE_EVACUATE
+
``/2/nodes/[node_name]/migrate``
+++++++++++++++++++++++++++++++++
~~~~~~~~
If no mode is explicitly specified, each instances' hypervisor default
-migration mode will be used. Query parameters:
+migration mode will be used. Body parameters:
+
+.. opcode_params:: OP_NODE_MIGRATE
+ :exclude: node_name
-``live`` (bool)
- If set, use live migration if available.
-``mode`` (string)
- Sets migration mode, ``live`` for live migration and ``non-live`` for
- non-live migration. Supported by Ganeti 2.2 and above.
+The query arguments used up to and including Ganeti 2.4 are deprecated
+and should no longer be used. The new request format can be detected by
+the presence of the :pyeval:`rlib2._NODE_MIGRATE_REQV1` feature string.
+
+Job result:
+
+.. opcode_result:: OP_NODE_MIGRATE
``/2/nodes/[node_name]/role``
The role is always one of the following:
- drained
- - master
- master-candidate
- offline
- regular
+Note that the 'master' role is a special, and currently it can't be
+modified via RAPI, only via the command line (``gnt-cluster
+master-failover``).
+
``GET``
~~~~~~~
It supports the bool ``force`` argument.
+Job result:
+
+.. opcode_result:: OP_NODE_SET_PARAMS
+
+
+``/2/nodes/[node_name]/modify``
++++++++++++++++++++++++++++++++
+
+Modifies the parameters of a node. Supports the following commands:
+``POST``.
+
+``POST``
+~~~~~~~~
+
+Returns a job ID.
+
+Body parameters:
+
+.. opcode_params:: OP_NODE_SET_PARAMS
+ :exclude: node_name
+
+Job result:
+
+.. opcode_result:: OP_NODE_SET_PARAMS
+
+
``/2/nodes/[node_name]/storage``
++++++++++++++++++++++++++++++++
additionally. Currently only :pyeval:`constants.SF_ALLOCATABLE` (bool)
is supported. The result will be a job id.
+Job result:
+
+.. opcode_result:: OP_NODE_MODIFY_STORAGE
+
+
``/2/nodes/[node_name]/storage/repair``
+++++++++++++++++++++++++++++++++++++++
repaired) and ``name`` (name of the storage unit). The result will be a
job id.
+Job result:
+
+.. opcode_result:: OP_REPAIR_NODE_STORAGE
+
+
``/2/nodes/[node_name]/tags``
+++++++++++++++++++++++++++++
projects / ganeti-local / blobdiff