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    MCP Tools Reference: saasservicemgmt

    Tool: create_unit

    Creates a Unit resource. Required parameters: 'parent' (e.g. projects/my-project/locations/us-central1), 'unit_id', 'unit'. Optional parameters: 'validate_only', 'request_id'.

    The following sample demonstrate how to use curl to invoke the create_unit MCP tool.

    Curl Request 
      
curl  
--location  
 'https://saasservicemgmt.googleapis.com/mcp' 
  
 \ 
--header  
 'content-type: application/json' 
  
 \ 
--header  
 'accept: application/json, text/event-stream' 
  
 \ 
--data  
 '{ 
 "method": "tools/call", 
 "params": { 
 "name": "create_unit", 
 "arguments": { 
 // provide these details according to the tool' 
s  
MCP  
specification  
 } 
  
 } 
,  
 "jsonrpc" 
:  
 "2.0" 
,  
 "id" 
:  
 1 
 } 
 '

    Input Schema

    The request structure for the CreateUnit method.

    CreateUnitRequest

    JSON representation 
     { 
 "parent" 
 : 
 string 
 , 
 "unitId" 
 : 
 string 
 , 
 "unit" 
 : 
 { 
 object (  Unit 
 
) 
 } 
 , 
 "validateOnly" 
 : 
 boolean 
 , 
 "requestId" 
 : 
 string 
 }
    Fields
    parent

    string

    Required. The parent of the unit.
    unitId

    string

    Required. The ID value for the new unit.
    unit

    object ( Unit )

    Required. The desired state for the unit.
    validateOnly

    boolean

    If "validate_only" is set to true, the service will try to validate that this request would succeed, but will not actually make changes.
    requestId

    string

    An optional request ID to identify requests. Specify a unique request ID so that if you must retry your request, the server will know to ignore the request if it has already been completed. The server will guarantee that for at least 60 minutes since the first request.

    For example, consider a situation where you make an initial request and the request times out. If you make the request again with the same request ID, the server can check if original operation with the same request ID was received, and if so, will ignore the second request. This prevents clients from accidentally creating duplicate commitments.

    The request ID must be a valid UUID with the exception that zero UUID is not supported (00000000-0000-0000-0000-000000000000).

    Unit

    JSON representation 
     { 
 "name" 
 : 
 string 
 , 
 "unitKind" 
 : 
 string 
 , 
 "release" 
 : 
 string 
 , 
 "tenant" 
 : 
 string 
 , 
 "ongoingOperations" 
 : 
 [ 
 string 
 ] 
 , 
 "pendingOperations" 
 : 
 [ 
 string 
 ] 
 , 
 "scheduledOperations" 
 : 
 [ 
 string 
 ] 
 , 
 "dependents" 
 : 
 [ 
 { 
 object (  UnitDependency 
 
) 
 } 
 ] 
 , 
 "dependencies" 
 : 
 [ 
 { 
 object (  UnitDependency 
 
) 
 } 
 ] 
 , 
 "inputVariables" 
 : 
 [ 
 { 
 object (  UnitVariable 
 
) 
 } 
 ] 
 , 
 "outputVariables" 
 : 
 [ 
 { 
 object (  UnitVariable 
 
) 
 } 
 ] 
 , 
 "maintenance" 
 : 
 { 
 object (  MaintenanceSettings 
 
) 
 } 
 , 
 "state" 
 : 
 enum ( UnitState 
) 
 , 
 "conditions" 
 : 
 [ 
 { 
 object (  UnitCondition 
 
) 
 } 
 ] 
 , 
 "managementMode" 
 : 
 enum ( ManagementMode 
) 
 , 
 "systemManagedState" 
 : 
 enum ( SystemManagedState 
) 
 , 
 "systemCleanupAt" 
 : 
 string 
 , 
 "flagRevisions" 
 : 
 [ 
 string 
 ] 
 , 
 "application" 
 : 
 string 
 , 
 "flagConfigName" 
 : 
 string 
 , 
 "labels" 
 : 
 { 
 string 
 : 
 string 
 , 
 ... 
 } 
 , 
 "annotations" 
 : 
 { 
 string 
 : 
 string 
 , 
 ... 
 } 
 , 
 "uid" 
 : 
 string 
 , 
 "etag" 
 : 
 string 
 , 
 "createTime" 
 : 
 string 
 , 
 "updateTime" 
 : 
 string 
 , 
 "satisfiesPzs" 
 : 
 boolean 
 , 
 "satisfiesPzi" 
 : 
 boolean 
 }
    Fields
    name

    string

    Identifier. The resource name (full URI of the resource) following the standard naming scheme:

    "projects/{project}/locations/{location}/units/{unit}"
    unitKind

    string

    Optional. Reference to the UnitKind this Unit belongs to. Immutable once set.
    release

    string

    Optional. Output only. The current Release object for this Unit.
    tenant

    string

    Optional. Reference to the Saas Tenant resource this unit belongs to. This for example informs the maintenance policies to use for scheduling future updates on a unit. (optional and immutable once created)
    ongoingOperations[]

    string

    Optional. Output only. List of concurrent UnitOperations that are operating on this Unit.
    pendingOperations[]

    string

    Optional. Output only. List of pending (wait to be executed) UnitOperations for this unit.
    scheduledOperations[]

    string

    Optional. Output only. List of scheduled UnitOperations for this unit.
    dependents[]

    object ( UnitDependency )

    Optional. Output only. List of Units that depend on this unit. Unit can only be deprovisioned if this list is empty. Maximum 1000.
    dependencies[]

    object ( UnitDependency )

    Optional. Output only. Set of dependencies for this unit. Maximum 10.
    inputVariables[]

    object ( UnitVariable )

    Optional. Output only. Indicates the current input variables deployed by the unit
    outputVariables[]

    object ( UnitVariable )

    Optional. Output only. Set of key/value pairs corresponding to output variables from execution of actuation templates. The variables are declared in actuation configs (e.g in helm chart or terraform) and the values are fetched and returned by the actuation engine upon completion of execution.
    maintenance

    object ( MaintenanceSettings )

    Optional. Captures requested directives for performing future maintenance on the unit. This includes a request for the unit to skip maintenance for a period of time and remain pinned to its current release as well as controls for postponing maintenance scheduled in future.
    state

    enum ( UnitState )

    Optional. Output only. Current lifecycle state of the resource (e.g. if it's being created or ready to use).
    conditions[]

    object ( UnitCondition )

    Optional. Output only. A set of conditions which indicate the various conditions this resource can have.
    managementMode

    enum ( ManagementMode )

    Optional. Immutable. Indicates whether the Unit life cycle is controlled by the user or by the system. Immutable once created.
    systemManagedState

    enum ( SystemManagedState )

    Optional. Output only. Indicates the system managed state of the unit.
    systemCleanupAt

    string ( Timestamp format)

    Optional. Output only. If set, indicates the time when the system will start removing the unit.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    flagRevisions[]

    string

    Optional. Output only. Flag revisions used by this Unit.
    application

    string

    Optional. Reference to the AppHub Application this unit belongs to. All resources deployed in this Unit will be associated with the specified Application.
    flagConfigName

    string

    Output only. This field stores the unique identifier for the flag configuration to be used by this Unit.
    labels

    map (key: string, value: string)

    Optional. The labels on the resource, which can be used for categorization. similar to Kubernetes resource labels.

    An object containing a list of "key": value pairs. Example: { "name": "wrench", "mass": "1.3kg", "count": "3" } .
    annotations

    map (key: string, value: string)

    Optional. Annotations is an unstructured key-value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable and should be preserved when modifying objects.

    More info: https://kubernetes.io/docs/user-guide/annotations

    An object containing a list of "key": value pairs. Example: { "name": "wrench", "mass": "1.3kg", "count": "3" } .
    uid

    string

    Output only. The unique identifier of the resource. UID is unique in the time and space for this resource within the scope of the service. It is typically generated by the server on successful creation of a resource and must not be changed. UID is used to uniquely identify resources with resource name reuses. This should be a UUID4.
    etag

    string

    Output only. An opaque value that uniquely identifies a version or generation of a resource. It can be used to confirm that the client and server agree on the ordering of a resource being written.
    createTime

    string ( Timestamp format)

    Output only. The timestamp when the resource was created.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    updateTime

    string ( Timestamp format)

    Output only. The timestamp when the resource was last updated. Any change to the resource made by users must refresh this value. Changes to a resource made by the service should refresh this value.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    satisfiesPzs

    boolean

    Output only. Indicates whether the resource location satisfies Zone Separation constraints. This is false by default.
    satisfiesPzi

    boolean

    Output only. Reserved for future use.

    UnitDependency

    JSON representation 
     { 
 "alias" 
 : 
 string 
 , 
 "unit" 
 : 
 string 
 }
    Fields
    alias

    string

    Output only. Alias for the name of the dependency.
    unit

    string

    Output only. A reference to the Unit object.

    UnitVariable

    JSON representation 
     { 
 "variable" 
 : 
 string 
 , 
 "type" 
 : 
 enum ( Type 
) 
 , 
 "value" 
 : 
 string 
 }
    Fields
    variable

    string

    Required. Immutable. Name of the variable from actuation configs.
    type

    enum ( Type )

    Optional. Immutable. Name of a supported variable type. Supported types are string, int, bool.
    value

    string

    Optional. String encoded value for the variable.

    MaintenanceSettings

    JSON representation 
     { 
 "pinnedUntilTime" 
 : 
 string 
 }
    Fields
    pinnedUntilTime

    string ( Timestamp format)

    Optional. If present, it fixes the release on the unit until the given time; i.e. changes to the release field will be rejected. Rollouts should and will also respect this by not requesting an upgrade in the first place.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

    Timestamp

    JSON representation 
     { 
 "seconds" 
 : 
 string 
 , 
 "nanos" 
 : 
 integer 
 }
    Fields
    seconds

    string ( int64 format)

    Represents seconds of UTC time since Unix epoch 1970-01-01T00:00:00Z. Must be between -62135596800 and 253402300799 inclusive (which corresponds to 0001-01-01T00:00:00Z to 9999-12-31T23:59:59Z).
    nanos

    integer

    Non-negative fractions of a second at nanosecond resolution. This field is the nanosecond portion of the duration, not an alternative to seconds. Negative second values with fractions must still have non-negative nanos values that count forward in time. Must be between 0 and 999,999,999 inclusive.

    UnitCondition

    JSON representation 
     { 
 "status" 
 : 
 enum ( Status 
) 
 , 
 "type" 
 : 
 enum ( Type 
) 
 , 
 "lastTransitionTime" 
 : 
 string 
 , 
 "message" 
 : 
 string 
 , 
 "reason" 
 : 
 string 
 }
    Fields
    status

    enum ( Status )

    Required. Status of the condition.
    type

    enum ( Type )

    Required. Type of the condition.
    lastTransitionTime

    string ( Timestamp format)

    Required. Last time the condition transited from one status to another.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    message

    string

    Required. Human readable message indicating details about the last transition.
    reason

    string

    Required. Brief reason for the condition's last transition.

    LabelsEntry

    JSON representation 
     { 
 "key" 
 : 
 string 
 , 
 "value" 
 : 
 string 
 }
    Fields
    key

    string

    value

    string

    AnnotationsEntry

    JSON representation 
     { 
 "key" 
 : 
 string 
 , 
 "value" 
 : 
 string 
 }
    Fields
    key

    string

    value

    string

    Output Schema

    A unit of deployment that has its lifecycle via a CRUD API using an actuation engine under the hood (e.g. based on Terraform, Helm or a custom implementation provided by a service producer). A building block of a SaaS Tenant.

    Unit

    JSON representation 
     { 
 "name" 
 : 
 string 
 , 
 "unitKind" 
 : 
 string 
 , 
 "release" 
 : 
 string 
 , 
 "tenant" 
 : 
 string 
 , 
 "ongoingOperations" 
 : 
 [ 
 string 
 ] 
 , 
 "pendingOperations" 
 : 
 [ 
 string 
 ] 
 , 
 "scheduledOperations" 
 : 
 [ 
 string 
 ] 
 , 
 "dependents" 
 : 
 [ 
 { 
 object (  UnitDependency 
 
) 
 } 
 ] 
 , 
 "dependencies" 
 : 
 [ 
 { 
 object (  UnitDependency 
 
) 
 } 
 ] 
 , 
 "inputVariables" 
 : 
 [ 
 { 
 object (  UnitVariable 
 
) 
 } 
 ] 
 , 
 "outputVariables" 
 : 
 [ 
 { 
 object (  UnitVariable 
 
) 
 } 
 ] 
 , 
 "maintenance" 
 : 
 { 
 object (  MaintenanceSettings 
 
) 
 } 
 , 
 "state" 
 : 
 enum ( UnitState 
) 
 , 
 "conditions" 
 : 
 [ 
 { 
 object (  UnitCondition 
 
) 
 } 
 ] 
 , 
 "managementMode" 
 : 
 enum ( ManagementMode 
) 
 , 
 "systemManagedState" 
 : 
 enum ( SystemManagedState 
) 
 , 
 "systemCleanupAt" 
 : 
 string 
 , 
 "flagRevisions" 
 : 
 [ 
 string 
 ] 
 , 
 "application" 
 : 
 string 
 , 
 "flagConfigName" 
 : 
 string 
 , 
 "labels" 
 : 
 { 
 string 
 : 
 string 
 , 
 ... 
 } 
 , 
 "annotations" 
 : 
 { 
 string 
 : 
 string 
 , 
 ... 
 } 
 , 
 "uid" 
 : 
 string 
 , 
 "etag" 
 : 
 string 
 , 
 "createTime" 
 : 
 string 
 , 
 "updateTime" 
 : 
 string 
 , 
 "satisfiesPzs" 
 : 
 boolean 
 , 
 "satisfiesPzi" 
 : 
 boolean 
 }
    Fields
    name

    string

    Identifier. The resource name (full URI of the resource) following the standard naming scheme:

    "projects/{project}/locations/{location}/units/{unit}"
    unitKind

    string

    Optional. Reference to the UnitKind this Unit belongs to. Immutable once set.
    release

    string

    Optional. Output only. The current Release object for this Unit.
    tenant

    string

    Optional. Reference to the Saas Tenant resource this unit belongs to. This for example informs the maintenance policies to use for scheduling future updates on a unit. (optional and immutable once created)
    ongoingOperations[]

    string

    Optional. Output only. List of concurrent UnitOperations that are operating on this Unit.
    pendingOperations[]

    string

    Optional. Output only. List of pending (wait to be executed) UnitOperations for this unit.
    scheduledOperations[]

    string

    Optional. Output only. List of scheduled UnitOperations for this unit.
    dependents[]

    object ( UnitDependency )

    Optional. Output only. List of Units that depend on this unit. Unit can only be deprovisioned if this list is empty. Maximum 1000.
    dependencies[]

    object ( UnitDependency )

    Optional. Output only. Set of dependencies for this unit. Maximum 10.
    inputVariables[]

    object ( UnitVariable )

    Optional. Output only. Indicates the current input variables deployed by the unit
    outputVariables[]

    object ( UnitVariable )

    Optional. Output only. Set of key/value pairs corresponding to output variables from execution of actuation templates. The variables are declared in actuation configs (e.g in helm chart or terraform) and the values are fetched and returned by the actuation engine upon completion of execution.
    maintenance

    object ( MaintenanceSettings )

    Optional. Captures requested directives for performing future maintenance on the unit. This includes a request for the unit to skip maintenance for a period of time and remain pinned to its current release as well as controls for postponing maintenance scheduled in future.
    state

    enum ( UnitState )

    Optional. Output only. Current lifecycle state of the resource (e.g. if it's being created or ready to use).
    conditions[]

    object ( UnitCondition )

    Optional. Output only. A set of conditions which indicate the various conditions this resource can have.
    managementMode

    enum ( ManagementMode )

    Optional. Immutable. Indicates whether the Unit life cycle is controlled by the user or by the system. Immutable once created.
    systemManagedState

    enum ( SystemManagedState )

    Optional. Output only. Indicates the system managed state of the unit.
    systemCleanupAt

    string ( Timestamp format)

    Optional. Output only. If set, indicates the time when the system will start removing the unit.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    flagRevisions[]

    string

    Optional. Output only. Flag revisions used by this Unit.
    application

    string

    Optional. Reference to the AppHub Application this unit belongs to. All resources deployed in this Unit will be associated with the specified Application.
    flagConfigName

    string

    Output only. This field stores the unique identifier for the flag configuration to be used by this Unit.
    labels

    map (key: string, value: string)

    Optional. The labels on the resource, which can be used for categorization. similar to Kubernetes resource labels.

    An object containing a list of "key": value pairs. Example: { "name": "wrench", "mass": "1.3kg", "count": "3" } .
    annotations

    map (key: string, value: string)

    Optional. Annotations is an unstructured key-value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable and should be preserved when modifying objects.

    More info: https://kubernetes.io/docs/user-guide/annotations

    An object containing a list of "key": value pairs. Example: { "name": "wrench", "mass": "1.3kg", "count": "3" } .
    uid

    string

    Output only. The unique identifier of the resource. UID is unique in the time and space for this resource within the scope of the service. It is typically generated by the server on successful creation of a resource and must not be changed. UID is used to uniquely identify resources with resource name reuses. This should be a UUID4.
    etag

    string

    Output only. An opaque value that uniquely identifies a version or generation of a resource. It can be used to confirm that the client and server agree on the ordering of a resource being written.
    createTime

    string ( Timestamp format)

    Output only. The timestamp when the resource was created.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    updateTime

    string ( Timestamp format)

    Output only. The timestamp when the resource was last updated. Any change to the resource made by users must refresh this value. Changes to a resource made by the service should refresh this value.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    satisfiesPzs

    boolean

    Output only. Indicates whether the resource location satisfies Zone Separation constraints. This is false by default.
    satisfiesPzi

    boolean

    Output only. Reserved for future use.

    UnitDependency

    JSON representation 
     { 
 "alias" 
 : 
 string 
 , 
 "unit" 
 : 
 string 
 }
    Fields
    alias

    string

    Output only. Alias for the name of the dependency.
    unit

    string

    Output only. A reference to the Unit object.

    UnitVariable

    JSON representation 
     { 
 "variable" 
 : 
 string 
 , 
 "type" 
 : 
 enum ( Type 
) 
 , 
 "value" 
 : 
 string 
 }
    Fields
    variable

    string

    Required. Immutable. Name of the variable from actuation configs.
    type

    enum ( Type )

    Optional. Immutable. Name of a supported variable type. Supported types are string, int, bool.
    value

    string

    Optional. String encoded value for the variable.

    MaintenanceSettings

    JSON representation 
     { 
 "pinnedUntilTime" 
 : 
 string 
 }
    Fields
    pinnedUntilTime

    string ( Timestamp format)

    Optional. If present, it fixes the release on the unit until the given time; i.e. changes to the release field will be rejected. Rollouts should and will also respect this by not requesting an upgrade in the first place.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

    Timestamp

    JSON representation 
     { 
 "seconds" 
 : 
 string 
 , 
 "nanos" 
 : 
 integer 
 }
    Fields
    seconds

    string ( int64 format)

    Represents seconds of UTC time since Unix epoch 1970-01-01T00:00:00Z. Must be between -62135596800 and 253402300799 inclusive (which corresponds to 0001-01-01T00:00:00Z to 9999-12-31T23:59:59Z).
    nanos

    integer

    Non-negative fractions of a second at nanosecond resolution. This field is the nanosecond portion of the duration, not an alternative to seconds. Negative second values with fractions must still have non-negative nanos values that count forward in time. Must be between 0 and 999,999,999 inclusive.

    UnitCondition

    JSON representation 
     { 
 "status" 
 : 
 enum ( Status 
) 
 , 
 "type" 
 : 
 enum ( Type 
) 
 , 
 "lastTransitionTime" 
 : 
 string 
 , 
 "message" 
 : 
 string 
 , 
 "reason" 
 : 
 string 
 }
    Fields
    status

    enum ( Status )

    Required. Status of the condition.
    type

    enum ( Type )

    Required. Type of the condition.
    lastTransitionTime

    string ( Timestamp format)

    Required. Last time the condition transited from one status to another.

    Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .
    message

    string

    Required. Human readable message indicating details about the last transition.
    reason

    string

    Required. Brief reason for the condition's last transition.

    LabelsEntry

    JSON representation 
     { 
 "key" 
 : 
 string 
 , 
 "value" 
 : 
 string 
 }
    Fields
    key

    string

    value

    string

    AnnotationsEntry

    JSON representation 
     { 
 "key" 
 : 
 string 
 , 
 "value" 
 : 
 string 
 }
    Fields
    key

    string

    value

    string

    Tool Annotations

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