opentelemetry.sdk.environment_variables

The OpenTelemetry Python SDK can be configured through environment variables. These variables control behaviors such as exporter selection, resource attributes, span limits, and trace sampling. They follow the conventions defined by the OpenTelemetry specification.

opentelemetry.sdk.environment_variables.OTEL_SDK_DISABLED = 'OTEL_SDK_DISABLED'

OTEL_SDK_DISABLED

The OTEL_SDK_DISABLED environment variable disables the SDK for all signals Default: “false”

opentelemetry.sdk.environment_variables.OTEL_RESOURCE_ATTRIBUTES = 'OTEL_RESOURCE_ATTRIBUTES'

OTEL_RESOURCE_ATTRIBUTES

The OTEL_RESOURCE_ATTRIBUTES environment variable allows resource attributes to be passed to the SDK at process invocation. The attributes from OTEL_RESOURCE_ATTRIBUTES are merged with those passed to Resource.create, meaning OTEL_RESOURCE_ATTRIBUTES takes lower priority. Attributes should be in the format key1=value1,key2=value2. Additional details are available in the specification.

$ OTEL_RESOURCE_ATTRIBUTES="service.name=shoppingcard,will_be_overridden=foo" python - <<EOF
import pprint
from opentelemetry.sdk.resources import Resource
pprint.pprint(Resource.create({"will_be_overridden": "bar"}).attributes)
EOF
{'service.name': 'shoppingcard',
'telemetry.sdk.language': 'python',
'telemetry.sdk.name': 'opentelemetry',
'telemetry.sdk.version': '0.13.dev0',
'will_be_overridden': 'bar'}

opentelemetry.sdk.environment_variables.OTEL_LOG_LEVEL = 'OTEL_LOG_LEVEL'

OTEL_LOG_LEVEL

The OTEL_LOG_LEVEL environment variable sets the log level used by the SDK logger Default: “info”

opentelemetry.sdk.environment_variables.OTEL_TRACES_SAMPLER = 'OTEL_TRACES_SAMPLER'

OTEL_TRACES_SAMPLER

The OTEL_TRACES_SAMPLER environment variable sets the sampler to be used for traces. Sampling is a mechanism to control the noise introduced by OpenTelemetry by reducing the number of traces collected and sent to the backend Default: “parentbased_always_on”

opentelemetry.sdk.environment_variables.OTEL_TRACES_SAMPLER_ARG = 'OTEL_TRACES_SAMPLER_ARG'

OTEL_TRACES_SAMPLER_ARG

The OTEL_TRACES_SAMPLER_ARG environment variable will only be used if OTEL_TRACES_SAMPLER is set. Each Sampler type defines its own expected input, if any. Invalid or unrecognized input is ignored, i.e. the SDK behaves as if OTEL_TRACES_SAMPLER_ARG is not set.

opentelemetry.sdk.environment_variables.OTEL_BLRP_SCHEDULE_DELAY = 'OTEL_BLRP_SCHEDULE_DELAY'

OTEL_BLRP_SCHEDULE_DELAY

The OTEL_BLRP_SCHEDULE_DELAY represents the delay interval between two consecutive exports of the BatchLogRecordProcessor. Default: 1000

opentelemetry.sdk.environment_variables.OTEL_BLRP_EXPORT_TIMEOUT = 'OTEL_BLRP_EXPORT_TIMEOUT'

OTEL_BLRP_EXPORT_TIMEOUT

The OTEL_BLRP_EXPORT_TIMEOUT represents the maximum allowed time to export data from the BatchLogRecordProcessor. This environment variable currently does nothing, see https://github.com/open-telemetry/opentelemetry-python/issues/4555. Default: 30000

opentelemetry.sdk.environment_variables.OTEL_BLRP_MAX_QUEUE_SIZE = 'OTEL_BLRP_MAX_QUEUE_SIZE'

OTEL_BLRP_MAX_QUEUE_SIZE

The OTEL_BLRP_MAX_QUEUE_SIZE represents the maximum queue size for the data export of the BatchLogRecordProcessor. Default: 2048

opentelemetry.sdk.environment_variables.OTEL_BLRP_MAX_EXPORT_BATCH_SIZE = 'OTEL_BLRP_MAX_EXPORT_BATCH_SIZE'

OTEL_BLRP_MAX_EXPORT_BATCH_SIZE

The OTEL_BLRP_MAX_EXPORT_BATCH_SIZE represents the maximum batch size for the data export of the BatchLogRecordProcessor. Default: 512

opentelemetry.sdk.environment_variables.OTEL_BSP_SCHEDULE_DELAY = 'OTEL_BSP_SCHEDULE_DELAY'

OTEL_BSP_SCHEDULE_DELAY

The OTEL_BSP_SCHEDULE_DELAY represents the delay interval between two consecutive exports of the BatchSpanProcessor. Default: 5000

opentelemetry.sdk.environment_variables.OTEL_BSP_EXPORT_TIMEOUT = 'OTEL_BSP_EXPORT_TIMEOUT'

OTEL_BSP_EXPORT_TIMEOUT

The OTEL_BSP_EXPORT_TIMEOUT represents the maximum allowed time to export data from the BatchSpanProcessor. Default: 30000

opentelemetry.sdk.environment_variables.OTEL_BSP_MAX_QUEUE_SIZE = 'OTEL_BSP_MAX_QUEUE_SIZE'

OTEL_BSP_MAX_QUEUE_SIZE

The OTEL_BSP_MAX_QUEUE_SIZE represents the maximum queue size for the data export of the BatchSpanProcessor. Default: 2048

opentelemetry.sdk.environment_variables.OTEL_BSP_MAX_EXPORT_BATCH_SIZE = 'OTEL_BSP_MAX_EXPORT_BATCH_SIZE'

OTEL_BSP_MAX_EXPORT_BATCH_SIZE

The OTEL_BSP_MAX_EXPORT_BATCH_SIZE represents the maximum batch size for the data export of the BatchSpanProcessor. Default: 512

opentelemetry.sdk.environment_variables.OTEL_ATTRIBUTE_COUNT_LIMIT = 'OTEL_ATTRIBUTE_COUNT_LIMIT'

OTEL_ATTRIBUTE_COUNT_LIMIT

The OTEL_ATTRIBUTE_COUNT_LIMIT represents the maximum allowed attribute count for spans, events and links. This limit is overridden by model specific limits such as OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT. Default: 128

opentelemetry.sdk.environment_variables.OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT = 'OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT'

OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT

The OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT represents the maximum allowed attribute length.

opentelemetry.sdk.environment_variables.OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT = 'OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT'

OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT

The OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT represents the maximum allowed event attribute count. Default: 128

opentelemetry.sdk.environment_variables.OTEL_LINK_ATTRIBUTE_COUNT_LIMIT = 'OTEL_LINK_ATTRIBUTE_COUNT_LIMIT'

OTEL_LINK_ATTRIBUTE_COUNT_LIMIT

The OTEL_LINK_ATTRIBUTE_COUNT_LIMIT represents the maximum allowed link attribute count. Default: 128

opentelemetry.sdk.environment_variables.OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT = 'OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT'

OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT

The OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT represents the maximum allowed span attribute count. Default: 128

opentelemetry.sdk.environment_variables.OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT = 'OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT'

OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT

The OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT represents the maximum allowed length span attribute values can have. This takes precedence over OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT.

opentelemetry.sdk.environment_variables.OTEL_SPAN_EVENT_COUNT_LIMIT = 'OTEL_SPAN_EVENT_COUNT_LIMIT'

OTEL_SPAN_EVENT_COUNT_LIMIT

The OTEL_SPAN_EVENT_COUNT_LIMIT represents the maximum allowed span event count. Default: 128

opentelemetry.sdk.environment_variables.OTEL_SPAN_LINK_COUNT_LIMIT = 'OTEL_SPAN_LINK_COUNT_LIMIT'

OTEL_SPAN_LINK_COUNT_LIMIT

The OTEL_SPAN_LINK_COUNT_LIMIT represents the maximum allowed span link count. Default: 128

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_ZIPKIN_ENDPOINT = 'OTEL_EXPORTER_ZIPKIN_ENDPOINT'

OTEL_EXPORTER_ZIPKIN_ENDPOINT

Zipkin collector endpoint to which the exporter will send data. This may include a path (e.g. http://example.com:9411/api/v2/spans).

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_ZIPKIN_TIMEOUT = 'OTEL_EXPORTER_ZIPKIN_TIMEOUT'

OTEL_EXPORTER_ZIPKIN_TIMEOUT

Maximum time (in seconds) the Zipkin exporter will wait for each batch export. Default: 10

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_PROTOCOL = 'OTEL_EXPORTER_OTLP_PROTOCOL'

OTEL_EXPORTER_OTLP_PROTOCOL

The OTEL_EXPORTER_OTLP_PROTOCOL represents the transport protocol for the OTLP exporter.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_PROTOCOL = 'OTEL_EXPORTER_OTLP_TRACES_PROTOCOL'

OTEL_EXPORTER_OTLP_TRACES_PROTOCOL

The OTEL_EXPORTER_OTLP_TRACES_PROTOCOL represents the transport protocol for spans.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_PROTOCOL = 'OTEL_EXPORTER_OTLP_METRICS_PROTOCOL'

OTEL_EXPORTER_OTLP_METRICS_PROTOCOL

The OTEL_EXPORTER_OTLP_METRICS_PROTOCOL represents the transport protocol for metrics.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_PROTOCOL = 'OTEL_EXPORTER_OTLP_LOGS_PROTOCOL'

OTEL_EXPORTER_OTLP_LOGS_PROTOCOL

The OTEL_EXPORTER_OTLP_LOGS_PROTOCOL represents the transport protocol for logs.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_CERTIFICATE = 'OTEL_EXPORTER_OTLP_CERTIFICATE'

OTEL_EXPORTER_OTLP_CERTIFICATE

The OTEL_EXPORTER_OTLP_CERTIFICATE stores the path to the certificate file for TLS credentials of gRPC client. Should only be used for a secure connection.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_HEADERS = 'OTEL_EXPORTER_OTLP_HEADERS'

OTEL_EXPORTER_OTLP_HEADERS

The OTEL_EXPORTER_OTLP_HEADERS contains the key-value pairs to be used as headers associated with gRPC or HTTP requests.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_COMPRESSION = 'OTEL_EXPORTER_OTLP_COMPRESSION'

OTEL_EXPORTER_OTLP_COMPRESSION

Specifies a gRPC compression method to be used in the OTLP exporters. Possible values are:

gzip corresponding to grpc.Compression.Gzip.
deflate corresponding to grpc.Compression.Deflate.

If no OTEL_EXPORTER_OTLP_*COMPRESSION environment variable is present or compression argument passed to the exporter, the default grpc.Compression.NoCompression will be used. Additional details are available in the specification.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TIMEOUT = 'OTEL_EXPORTER_OTLP_TIMEOUT'

OTEL_EXPORTER_OTLP_TIMEOUT

The OTEL_EXPORTER_OTLP_TIMEOUT is the maximum time (in seconds) the OTLP exporter will wait for each batch export. Default: 10

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_ENDPOINT = 'OTEL_EXPORTER_OTLP_ENDPOINT'

OTEL_EXPORTER_OTLP_ENDPOINT

The OTEL_EXPORTER_OTLP_ENDPOINT target to which the exporter is going to send spans or metrics. The endpoint MUST be a valid URL host, and MAY contain a scheme (http or https), port and path. A scheme of https indicates a secure connection and takes precedence over the insecure configuration setting. Default: “http://localhost:4317”

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_INSECURE = 'OTEL_EXPORTER_OTLP_INSECURE'

OTEL_EXPORTER_OTLP_INSECURE

The OTEL_EXPORTER_OTLP_INSECURE represents whether to enable client transport security for gRPC requests. A scheme of https takes precedence over this configuration setting. Default: False

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_INSECURE = 'OTEL_EXPORTER_OTLP_TRACES_INSECURE'

OTEL_EXPORTER_OTLP_TRACES_INSECURE

The OTEL_EXPORTER_OTLP_TRACES_INSECURE represents whether to enable client transport security for gRPC requests for spans. A scheme of https takes precedence over the this configuration setting. Default: False

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_ENDPOINT = 'OTEL_EXPORTER_OTLP_TRACES_ENDPOINT'

OTEL_EXPORTER_OTLP_TRACES_ENDPOINT

The OTEL_EXPORTER_OTLP_TRACES_ENDPOINT target to which the span exporter is going to send spans. The endpoint MUST be a valid URL host, and MAY contain a scheme (http or https), port and path. A scheme of https indicates a secure connection and takes precedence over this configuration setting.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_ENDPOINT = 'OTEL_EXPORTER_OTLP_METRICS_ENDPOINT'

OTEL_EXPORTER_OTLP_METRICS_ENDPOINT

The OTEL_EXPORTER_OTLP_METRICS_ENDPOINT target to which the metrics exporter is going to send metrics. The endpoint MUST be a valid URL host, and MAY contain a scheme (http or https), port and path. A scheme of https indicates a secure connection and takes precedence over this configuration setting.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = 'OTEL_EXPORTER_OTLP_LOGS_ENDPOINT'

OTEL_EXPORTER_OTLP_LOGS_ENDPOINT

The OTEL_EXPORTER_OTLP_LOGS_ENDPOINT target to which the log exporter is going to send logs. The endpoint MUST be a valid URL host, and MAY contain a scheme (http or https), port and path. A scheme of https indicates a secure connection and takes precedence over this configuration setting.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE = 'OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE'

OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE

The OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE stores the path to the certificate file for TLS credentials of gRPC client for traces. Should only be used for a secure connection for tracing.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_CERTIFICATE = 'OTEL_EXPORTER_OTLP_METRICS_CERTIFICATE'

OTEL_EXPORTER_OTLP_METRICS_CERTIFICATE

The OTEL_EXPORTER_OTLP_METRICS_CERTIFICATE stores the path to the certificate file for TLS credentials of gRPC client for metrics. Should only be used for a secure connection for exporting metrics.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_CLIENT_KEY = 'OTEL_EXPORTER_OTLP_CLIENT_KEY'

OTEL_EXPORTER_OTLP_CLIENT_KEY

The OTEL_EXPORTER_OTLP_CLIENT_KEY stores the path to the client private key to use in mTLS communication in PEM format.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY = 'OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY'

OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY

The OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY stores the path to the client private key to use in mTLS communication in PEM format for traces.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_CLIENT_KEY = 'OTEL_EXPORTER_OTLP_METRICS_CLIENT_KEY'

OTEL_EXPORTER_OTLP_METRICS_CLIENT_KEY

The OTEL_EXPORTER_OTLP_METRICS_CLIENT_KEY stores the path to the client private key to use in mTLS communication in PEM format for metrics.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_CLIENT_KEY = 'OTEL_EXPORTER_OTLP_LOGS_CLIENT_KEY'

OTEL_EXPORTER_OTLP_LOGS_CLIENT_KEY

The OTEL_EXPORTER_OTLP_LOGS_CLIENT_KEY stores the path to the client private key to use in mTLS communication in PEM format for logs.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE = 'OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE'

OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE

The OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE stores the path to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE = 'OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE'

OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE

The OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE stores the path to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format for traces.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_CLIENT_CERTIFICATE = 'OTEL_EXPORTER_OTLP_METRICS_CLIENT_CERTIFICATE'

OTEL_EXPORTER_OTLP_METRICS_CLIENT_CERTIFICATE

The OTEL_EXPORTER_OTLP_METRICS_CLIENT_CERTIFICATE stores the path to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format for metrics.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_CLIENT_CERTIFICATE = 'OTEL_EXPORTER_OTLP_LOGS_CLIENT_CERTIFICATE'

OTEL_EXPORTER_OTLP_LOGS_CLIENT_CERTIFICATE

The OTEL_EXPORTER_OTLP_LOGS_CLIENT_CERTIFICATE stores the path to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format for logs.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_HEADERS = 'OTEL_EXPORTER_OTLP_TRACES_HEADERS'

OTEL_EXPORTER_OTLP_TRACES_HEADERS

The OTEL_EXPORTER_OTLP_TRACES_HEADERS contains the key-value pairs to be used as headers for spans associated with gRPC or HTTP requests.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_HEADERS = 'OTEL_EXPORTER_OTLP_METRICS_HEADERS'

OTEL_EXPORTER_OTLP_METRICS_HEADERS

The OTEL_EXPORTER_OTLP_METRICS_HEADERS contains the key-value pairs to be used as headers for metrics associated with gRPC or HTTP requests.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_HEADERS = 'OTEL_EXPORTER_OTLP_LOGS_HEADERS'

OTEL_EXPORTER_OTLP_LOGS_HEADERS

The OTEL_EXPORTER_OTLP_LOGS_HEADERS contains the key-value pairs to be used as headers for logs associated with gRPC or HTTP requests.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_COMPRESSION = 'OTEL_EXPORTER_OTLP_TRACES_COMPRESSION'

OTEL_EXPORTER_OTLP_TRACES_COMPRESSION

Same as OTEL_EXPORTER_OTLP_COMPRESSION but only for the span exporter. If both are present, this takes higher precedence.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_COMPRESSION = 'OTEL_EXPORTER_OTLP_METRICS_COMPRESSION'

OTEL_EXPORTER_OTLP_METRICS_COMPRESSION

Same as OTEL_EXPORTER_OTLP_COMPRESSION but only for the metric exporter. If both are present, this takes higher precedence.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_COMPRESSION = 'OTEL_EXPORTER_OTLP_LOGS_COMPRESSION'

OTEL_EXPORTER_OTLP_LOGS_COMPRESSION

Same as OTEL_EXPORTER_OTLP_COMPRESSION but only for the log exporter. If both are present, this takes higher precedence.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_TRACES_TIMEOUT = 'OTEL_EXPORTER_OTLP_TRACES_TIMEOUT'

OTEL_EXPORTER_OTLP_TRACES_TIMEOUT

The OTEL_EXPORTER_OTLP_TRACES_TIMEOUT is the maximum time (in seconds) the OTLP exporter will wait for each batch export for spans. Default: 10

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_TIMEOUT = 'OTEL_EXPORTER_OTLP_METRICS_TIMEOUT'

OTEL_EXPORTER_OTLP_METRICS_TIMEOUT

The OTEL_EXPORTER_OTLP_METRICS_TIMEOUT is the maximum time (in seconds) the OTLP exporter will wait for each batch export for metrics. Default: 10

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_INSECURE = 'OTEL_EXPORTER_OTLP_METRICS_INSECURE'

OTEL_EXPORTER_OTLP_METRICS_INSECURE

The OTEL_EXPORTER_OTLP_METRICS_INSECURE represents whether to enable client transport security for gRPC requests for metrics. A scheme of https takes precedence over the this configuration setting. Default: False

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_INSECURE = 'OTEL_EXPORTER_OTLP_LOGS_INSECURE'

OTEL_EXPORTER_OTLP_LOGS_INSECURE

The OTEL_EXPORTER_OTLP_LOGS_INSECURE represents whether to enable client transport security for gRPC requests for logs. A scheme of https takes precedence over the this configuration setting. Default: False

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE = 'OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE'

OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE

The OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE stores the path to the certificate file for TLS credentials of gRPC client for logs. Should only be used for a secure connection for logs.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_LOGS_TIMEOUT = 'OTEL_EXPORTER_OTLP_LOGS_TIMEOUT'

OTEL_EXPORTER_OTLP_LOGS_TIMEOUT

The OTEL_EXPORTER_OTLP_LOGS_TIMEOUT is the maximum time (in seconds) the OTLP exporter will wait for each batch export for logs. Default: 10

opentelemetry.sdk.environment_variables.OTEL_SERVICE_NAME = 'OTEL_SERVICE_NAME'

OTEL_SERVICE_NAME

Convenience environment variable for setting the service name resource attribute. The following two environment variables have the same effect

OTEL_SERVICE_NAME=my-python-service

OTEL_RESOURCE_ATTRIBUTES=service.name=my-python-service

If both are set, OTEL_SERVICE_NAME takes precedence.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE = 'OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE'

OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE

The OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE environment variable allows users to set the default aggregation temporality policy to use on the basis of instrument kind. The valid (case-insensitive) values are:

CUMULATIVE: Use CUMULATIVE aggregation temporality for all instrument kinds. DELTA: Use DELTA aggregation temporality for Counter, Asynchronous Counter and Histogram. Use CUMULATIVE aggregation temporality for UpDownCounter and Asynchronous UpDownCounter. LOWMEMORY: Use DELTA aggregation temporality for Counter and Histogram. Use CUMULATIVE aggregation temporality for UpDownCounter, AsynchronousCounter and Asynchronous UpDownCounter.

opentelemetry.sdk.environment_variables.OTEL_METRIC_EXPORT_INTERVAL = 'OTEL_METRIC_EXPORT_INTERVAL'

OTEL_METRIC_EXPORT_INTERVAL

The OTEL_METRIC_EXPORT_INTERVAL is the time interval (in milliseconds) between the start of two export attempts.

opentelemetry.sdk.environment_variables.OTEL_METRIC_EXPORT_TIMEOUT = 'OTEL_METRIC_EXPORT_TIMEOUT'

OTEL_METRIC_EXPORT_TIMEOUT

The OTEL_METRIC_EXPORT_TIMEOUT is the maximum allowed time (in milliseconds) to export data.

opentelemetry.sdk.environment_variables.OTEL_METRICS_EXEMPLAR_FILTER = 'OTEL_METRICS_EXEMPLAR_FILTER'

OTEL_METRICS_EXEMPLAR_FILTER

The OTEL_METRICS_EXEMPLAR_FILTER is the filter for which measurements can become Exemplars.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_OTLP_METRICS_DEFAULT_HISTOGRAM_AGGREGATION = 'OTEL_EXPORTER_OTLP_METRICS_DEFAULT_HISTOGRAM_AGGREGATION'

OTEL_EXPORTER_OTLP_METRICS_DEFAULT_HISTOGRAM_AGGREGATION

The OTEL_EXPORTER_OTLP_METRICS_DEFAULT_HISTOGRAM_AGGREGATION is the default aggregation to use for histogram instruments.

opentelemetry.sdk.environment_variables.OTEL_EXPERIMENTAL_RESOURCE_DETECTORS = 'OTEL_EXPERIMENTAL_RESOURCE_DETECTORS'

OTEL_EXPERIMENTAL_RESOURCE_DETECTORS

The OTEL_EXPERIMENTAL_RESOURCE_DETECTORS is a comma-separated string of names of resource detectors. These names must be the same as the names of entry points for the `opentelemetry_resource_detector` entry point. This is an experimental feature and the name of this variable and its behavior can change in a non-backwards compatible way.

opentelemetry.sdk.environment_variables.OTEL_EXPORTER_PROMETHEUS_HOST = 'OTEL_EXPORTER_PROMETHEUS_HOST'

OTEL_EXPORTER_PROMETHEUS_HOST

The OTEL_EXPORTER_PROMETHEUS_HOST environment variable configures the host used by the Prometheus exporter. Default: “localhost”