Resource Group Management

class GroupServiceClient:
    def list_groups(
        self,
        request=None,
        *,
        name: str = None,
        retry=None,
        timeout=None,
        metadata=()
    ) -> pagers.ListGroupsPager:
        """
        Lists the existing groups.

        Args:
            request: The request object or dict equivalent
            name: Required. Project name in format 'projects/[PROJECT_ID]'
            retry: Retry configuration
            timeout: Request timeout in seconds
            metadata: Additional metadata

        Returns:
            Pager for iterating over Group objects
        """

    def get_group(
        self,
        request=None,
        *,
        name: str = None,
        retry=None,
        timeout=None,
        metadata=()
    ) -> group.Group:
        """
        Gets a single group.

        Args:
            request: The request object or dict equivalent
            name: Required. Group name in format 'projects/[PROJECT_ID]/groups/[GROUP_ID]'
            retry: Retry configuration
            timeout: Request timeout in seconds
            metadata: Additional metadata

        Returns:
            Group object
        """

    def create_group(
        self,
        request=None,
        *,
        name: str = None,
        group: group.Group = None,
        retry=None,
        timeout=None,
        metadata=()
    ) -> group.Group:
        """
        Creates a new group.

        Args:
            request: The request object or dict equivalent
            name: Required. Project name
            group: Required. The group to create
            retry: Retry configuration
            timeout: Request timeout in seconds
            metadata: Additional metadata

        Returns:
            Created Group object
        """

    def update_group(
        self,
        request=None,
        *,
        group: group.Group = None,
        retry=None,
        timeout=None,
        metadata=()
    ) -> group.Group:
        """
        Updates an existing group.

        Args:
            request: The request object or dict equivalent
            group: Required. Updated group
            retry: Retry configuration
            timeout: Request timeout in seconds
            metadata: Additional metadata

        Returns:
            Updated Group object
        """

    def delete_group(
        self,
        request=None,
        *,
        name: str = None,
        retry=None,
        timeout=None,
        metadata=()
    ) -> None:
        """
        Deletes an existing group.

        Args:
            request: The request object or dict equivalent
            name: Required. Group name to delete
            retry: Retry configuration
            timeout: Request timeout in seconds
            metadata: Additional metadata
        """

    def list_group_members(
        self,
        request=None,
        *,
        name: str = None,
        retry=None,
        timeout=None,
        metadata=()
    ) -> pagers.ListGroupMembersPager:
        """
        Lists the monitored resources that are members of a group.

        Args:
            request: The request object or dict equivalent
            name: Required. Group name
            retry: Retry configuration
            timeout: Request timeout in seconds
            metadata: Additional metadata

        Returns:
            Pager for iterating over MonitoredResource objects
        """

class Group:
    name: str  # Resource name
    display_name: str  # Human-readable name
    parent_name: str  # Parent group name
    filter: str  # Filter defining group membership
    is_cluster: bool  # Whether group represents a cluster

class CreateGroupRequest:
    name: str  # Required. Project name
    group: Group  # Required. Group to create
    validate_only: bool  # Only validate, don't create

class DeleteGroupRequest:
    name: str  # Required. Group name to delete
    recursive: bool  # Delete child groups recursively

class GetGroupRequest:
    name: str  # Required. Group name to retrieve

class ListGroupsRequest:
    name: str  # Required. Project name
    children_of_group: str  # Parent group filter
    ancestors_of_group: str  # Ancestor group filter
    descendants_of_group: str  # Descendant group filter
    page_size: int  # Maximum results per page
    page_token: str  # Page token for pagination

class ListGroupsResponse:
    group: List[Group]  # Groups
    next_page_token: str  # Token for next page

class ListGroupMembersRequest:
    name: str  # Required. Group name
    page_size: int  # Maximum results per page
    page_token: str  # Page token for pagination
    filter: str  # Additional resource filter
    interval: TimeInterval  # Time interval for membership

class ListGroupMembersResponse:
    members: List[MonitoredResource]  # Group members
    next_page_token: str  # Token for next page
    total_size: int  # Total member count

class UpdateGroupRequest:
    group: Group  # Required. Updated group
    validate_only: bool  # Only validate, don't update

from google.cloud.monitoring import GroupServiceClient, Group

client = GroupServiceClient()
project_name = f"projects/{project_id}"

# Create a group for production web servers
group = Group()
group.display_name = "Production Web Servers"
group.filter = 'resource.type="gce_instance" AND resource.label.env="production" AND resource.label.role="web"'

created_group = client.create_group(
    name=project_name,
    group=group
)
print(f"Created group: {created_group.name}")
print(f"Group filter: {created_group.filter}")

# Create parent group
parent_group = Group()
parent_group.display_name = "Production Environment"
parent_group.filter = 'resource.label.env="production"'

created_parent = client.create_group(
    name=project_name,
    group=parent_group
)

# Create child group
child_group = Group()
child_group.display_name = "Production Databases"
child_group.parent_name = created_parent.name
child_group.filter = 'resource.type="gce_instance" AND resource.label.env="production" AND resource.label.role="database"'

created_child = client.create_group(
    name=project_name,
    group=child_group
)
print(f"Created child group: {created_child.name}")
print(f"Parent: {created_child.parent_name}")

client = GroupServiceClient()
project_name = f"projects/{project_id}"

# List all groups
print("All groups:")
for group in client.list_groups(name=project_name):
    print(f"- {group.display_name}: {group.name}")

# List child groups of a specific parent
parent_group_name = f"projects/{project_id}/groups/{parent_group_id}"
print(f"\nChildren of {parent_group_name}:")
for group in client.list_groups(name=project_name, children_of_group=parent_group_name):
    print(f"- {group.display_name}")

# List ancestor groups
print(f"\nAncestors of {child_group_name}:")
for group in client.list_groups(name=project_name, ancestors_of_group=child_group_name):
    print(f"- {group.display_name}")

group_name = f"projects/{project_id}/groups/{group_id}"

# List all members of a group
print(f"Members of group {group_name}:")
for member in client.list_group_members(name=group_name):
    print(f"- Type: {member.type}")
    print(f"  Labels: {dict(member.labels)}")

# List members with additional filtering
additional_filter = 'resource.label.zone="us-central1-a"'
print(f"\nMembers in zone us-central1-a:")
for member in client.list_group_members(name=group_name, filter=additional_filter):
    print(f"- {member.type}: {member.labels}")

# Get existing group
group_name = f"projects/{project_id}/groups/{group_id}"
group = client.get_group(name=group_name)

# Update the group
group.display_name = "Updated Production Web Servers"
group.filter = 'resource.type="gce_instance" AND resource.label.env="production" AND (resource.label.role="web" OR resource.label.role="api")'

updated_group = client.update_group(group=group)
print(f"Updated group: {updated_group.display_name}")
print(f"New filter: {updated_group.filter}")

# Delete a single group
group_name = f"projects/{project_id}/groups/{group_id}"
client.delete_group(name=group_name)
print(f"Deleted group: {group_name}")

# Delete group and all children recursively
parent_group_name = f"projects/{project_id}/groups/{parent_group_id}"
client.delete_group(name=parent_group_name, recursive=True)
print(f"Deleted group and children: {parent_group_name}")

# Validate group creation without actually creating
test_group = Group()
test_group.display_name = "Test Group"
test_group.filter = 'invalid_filter_expression'

try:
    # This will validate the group but not create it
    client.create_group(
        name=project_name,
        group=test_group,
        validate_only=True
    )
    print("Group validation passed")
except Exception as e:
    print(f"Group validation failed: {e}")

from google.cloud.monitoring_v3.types import TimeInterval
from google.protobuf.timestamp_pb2 import Timestamp
import time

group_name = f"projects/{project_id}/groups/{group_id}"

# Define time interval for historical membership
now = time.time()
interval = TimeInterval()
interval.end_time.seconds = int(now)
interval.start_time.seconds = int(now - 3600)  # 1 hour ago

# Get group membership at specific time
for member in client.list_group_members(name=group_name, interval=interval):
    print(f"Historical member: {member.type}")

import asyncio
from google.cloud.monitoring import GroupServiceAsyncClient

async def manage_groups():
    client = GroupServiceAsyncClient()
    project_name = f"projects/{project_id}"
    
    # List groups asynchronously
    async for group in await client.list_groups(name=project_name):
        print(f"Async group: {group.display_name}")
    
    # Create group asynchronously
    new_group = Group()
    new_group.display_name = "Async Created Group"
    new_group.filter = 'resource.type="gce_instance"'
    
    created = await client.create_group(name=project_name, group=new_group)
    print(f"Async created group: {created.name}")

asyncio.run(manage_groups())

class GroupServiceClient:
    @staticmethod
    def group_path(project: str, group: str) -> str:
        """Returns a fully-qualified group string."""
        
    @staticmethod
    def parse_group_path(path: str) -> Dict[str, str]:
        """Parses a group path into its component segments."""

from google.api_core import exceptions
from google.cloud.monitoring import GroupServiceClient

client = GroupServiceClient()

try:
    group = client.get_group(name="invalid/path")
except exceptions.NotFound:
    print("Group not found")
except exceptions.InvalidArgument as e:
    print(f"Invalid group filter: {e}")
except exceptions.PermissionDenied:
    print("Insufficient permissions")
except exceptions.FailedPrecondition as e:
    print(f"Cannot delete group with children: {e}")