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feat: Updates the ADK template to direct structured JSON logs to standard output. #6169

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Merged
copybara-service merged 1 commit into from
Dec 11, 2025
Merged

feat: Updates the ADK template to direct structured JSON logs to standard output. #6169

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14 changes: 13 additions & 1 deletion vertexai/agent_engines/templates/adk.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
import asyncio
from collections.abc import Awaitable
import queue
import sys
import threading
import warnings

Expand Down Expand Up @@ -437,14 +438,25 @@ def _detect_cloud_resource_id(project_id: str) -> Optional[str]:
"opentelemetry-exporter-gcp-logging", needed_for_logging=True
)

class _SimpleLogRecordProcessor(
opentelemetry.sdk._logs.export.SimpleLogRecordProcessor
):
def force_flush(
self, timeout_millis: int = 30000
) -> bool: # pylint: disable=no-self-use
sys.stdout.flush()
sys.stderr.flush()
return True

logger_provider = opentelemetry.sdk._logs.LoggerProvider(resource=resource)
logger_provider.add_log_record_processor(
opentelemetry.sdk._logs.export.BatchLogRecordProcessor(
_SimpleLogRecordProcessor(
opentelemetry.exporter.cloud_logging.CloudLoggingExporter(
project_id=project_id,
default_log_name=os.getenv(
"GCP_DEFAULT_LOG_NAME", "adk-on-agent-engine"
),
structured_json_file=sys.stdout,
),
)
)
Expand Down
14 changes: 13 additions & 1 deletion vertexai/preview/reasoning_engines/templates/adk.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
import asyncio
from collections.abc import Awaitable
import queue
import sys
import threading


Expand Down Expand Up @@ -439,14 +440,25 @@ def _detect_cloud_resource_id(project_id: str) -> Optional[str]:
"opentelemetry-exporter-gcp-logging", needed_for_logging=True
)

class _SimpleLogRecordProcessor(
opentelemetry.sdk._logs.export.SimpleLogRecordProcessor
):
def force_flush(
self, timeout_millis: int = 30000
) -> bool: # pylint: disable=no-self-use
sys.stdout.flush()
sys.stderr.flush()
return True

logger_provider = opentelemetry.sdk._logs.LoggerProvider(resource=resource)
logger_provider.add_log_record_processor(
opentelemetry.sdk._logs.export.BatchLogRecordProcessor(
_SimpleLogRecordProcessor(
opentelemetry.exporter.cloud_logging.CloudLoggingExporter(
project_id=project_id,
default_log_name=os.getenv(
"GCP_DEFAULT_LOG_NAME", "adk-on-agent-engine"
),
structured_json_file=sys.stdout,
),
)
)
Expand Down