mirror of
https://github.com/tiqi-group/pydase_service_base.git
synced 2025-04-20 00:20:01 +02:00
115 lines
3.8 KiB
Python
115 lines
3.8 KiB
Python
from __future__ import annotations
|
|
|
|
from types import TracebackType
|
|
|
|
from influxdb_client import ( # type: ignore
|
|
Bucket,
|
|
BucketRetentionRules,
|
|
BucketsApi,
|
|
InfluxDBClient,
|
|
WriteApi,
|
|
)
|
|
from influxdb_client.client.write_api import SYNCHRONOUS # type: ignore
|
|
from influxdb_client.rest import ApiException # type: ignore
|
|
from loguru import logger
|
|
|
|
from icon_service_base.database.config import InfluxDBConfig
|
|
|
|
|
|
class InfluxDBConnection:
|
|
"""
|
|
The `InfluxDBConnection` class serves as a context manager for a connection
|
|
to an InfluxDB server. This connection is established using credentials
|
|
provided through environment variables.
|
|
|
|
Example usage:
|
|
```
|
|
with InfluxDBConnection() as influx_client:
|
|
# Creating a bucket
|
|
influx_client.create_bucket(
|
|
bucket_name='my_new_bucket', description='This is a new bucket'
|
|
)
|
|
|
|
# Writing data to a bucket
|
|
record = {
|
|
"measurement": "your_measurement", # Replace with your measurement
|
|
"tags": {
|
|
"example_tag": "tag_value", # Replace with your tag and its value
|
|
},
|
|
"fields": {
|
|
"example_field": 123, # Replace with your field and its value
|
|
},
|
|
"time": "2023-06-05T00:00:00Z", # Replace with your timestamp
|
|
}
|
|
influx_client.write_api.write(
|
|
bucket='my_new_bucket', record=record
|
|
)
|
|
```
|
|
"""
|
|
|
|
def __init__(self) -> None:
|
|
self.url = InfluxDBConfig().url
|
|
self.token = str(InfluxDBConfig().token)
|
|
self.org = InfluxDBConfig().org
|
|
self.client: InfluxDBClient
|
|
self.write_api: WriteApi
|
|
self.buckets_api: BucketsApi | None = None
|
|
|
|
def __enter__(self) -> InfluxDBConnection:
|
|
self.client = InfluxDBClient(url=self.url, token=self.token, org=self.org)
|
|
self.write_api = self.client.write_api(write_options=SYNCHRONOUS) # type: ignore
|
|
return self
|
|
|
|
def __exit__(
|
|
self,
|
|
exc_type: type[BaseException] | None,
|
|
exc_value: BaseException | None,
|
|
exc_traceback: TracebackType | None,
|
|
) -> None:
|
|
self.write_api.close()
|
|
self.client.__del__()
|
|
|
|
def create_bucket( # noqa: CFQ002
|
|
self,
|
|
bucket: Bucket | None = None,
|
|
bucket_name: str | None = None,
|
|
org_id: int | None = None,
|
|
retention_rules: BucketRetentionRules | None = None,
|
|
description: str | None = None,
|
|
org: str | None = None,
|
|
) -> None:
|
|
"""
|
|
Create a bucket in the InfluxDB instance. This function wraps the create_bucket
|
|
from `influxdb_client` in a try-catch block and logs potential errors with
|
|
loguru.
|
|
|
|
Args:
|
|
bucket (Bucket | PostBucketRequest, optional): Bucket instance to be
|
|
created.
|
|
bucket_name (str, optional): Name of the bucket to be created.
|
|
org_id (int, optional): The organization id for the bucket.
|
|
retention_rules (BucketRetentionRules, optional): Retention rules for the
|
|
bucket.
|
|
description (str, optional): Description of the bucket.
|
|
org (str, optional): The name of the organization for the bucket. Takes
|
|
the ID, Name, or Organization. If not specified, the default value from
|
|
`InfluxDBClient.org` is used.
|
|
"""
|
|
|
|
self.buckets_api = self.client.buckets_api()
|
|
try:
|
|
self.buckets_api.create_bucket(
|
|
bucket=bucket,
|
|
bucket_name=bucket_name,
|
|
org_id=org_id,
|
|
retention_rules=retention_rules,
|
|
description=description,
|
|
org=org,
|
|
)
|
|
except ApiException as e:
|
|
if e.status == 422:
|
|
logger.debug(e.message)
|
|
return
|
|
logger.error(e)
|
|
return
|