HBASE-27182 Rework tracing configuration
* Take advantage of the fact that OpenTelemetry can read its configuration from environment variables and make use of this where possible, only falling back to passing properties into the process launch configuration when it's necessary. DRY up tracing configuration and make it easier to manage in a container environment. * Replace `HBASE_TRACE_OPTS`, which used to act as both a feature flag and a baseline for configuration shared across processes. Instead, use `HBASE_OTEL_TRACING_ENABLED` as a feature flag, and let configuration reuse be handled via the environment variables that otel supports naively. * Add further explanation for how to write your configuration for our different deployment modes (standalone, pseudo-distributed, fully distributed) and in different environments. Signed-off-by: Duo Zhang <zhangduo@apache.org> Signed-off-by: Andrew Purtell <apurtell@apache.org>
This commit is contained in:
Nick Dimiduk
GitHub
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2197b3806b
commit
a238ed2785
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@ -825,7 +825,7 @@ elif [ "${DEBUG}" = "true" ]; then
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echo "Skipped adding JDK11 JVM flags."
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fi
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if [[ -n "${HBASE_TRACE_OPTS}" ]]; then
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if [[ "${HBASE_OTEL_TRACING_ENABLED:-false}" = "true" ]] ; then
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if [ "${DEBUG}" = "true" ]; then
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echo "Attaching opentelemetry agent"
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fi
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@ -143,36 +143,69 @@
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# export GREP="${GREP-grep}"
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# export SED="${SED-sed}"
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# Tracing
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# Uncomment some combination of these lines to enable tracing. You should change the options to use
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# the exporters appropriate to your environment. See
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# https://github.com/open-telemetry/opentelemetry-java-instrumentation for details on how to
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# configure exporters and other components through system properties.
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#
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# The presence HBASE_TRACE_OPTS indicates that tracing should be enabled, adding the agent to the
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# JVM launch command.
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# export HBASE_TRACE_OPTS="-Dotel.traces.exporter=none -Dotel.metrics.exporter=none"
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## OpenTelemetry Tracing
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#
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# For standalone mode, you must explicitly add HBASE_TRACE_OPTS to HBASE_OPTS by uncommenting this line.
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# But do not use and uncomment this line if you're running in distributed mode.
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# export HBASE_OPTS="${HBASE_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-standalone"
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# HBase is instrumented for tracing using OpenTelemetry. None of the other OpenTelemetry signals
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# are supported at this time. Configuring tracing involves setting several configuration points,
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# via environment variable or system property. This configuration prefers setting environment
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# variables whenever possible because they are picked up by all processes launched by `bin/hbase`.
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# Use system properties when you launch multiple processes from the same configuration directory --
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# when you need to specify different configuration values for different hbase processes that are
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# launched using the same HBase configuration (i.e., a single-host pseudo-distributed cluster or
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# launching the `bin/hbase shell` from a host that is also running an instance of the master). See
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# https://github.com/open-telemetry/opentelemetry-java/tree/v1.15.0/sdk-extensions/autoconfigure
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# for an inventory of configuration points and detailed explanations of each of them.
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#
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# Per-process configuration variables allow for fine-grained configuration control.
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# export HBASE_SHELL_OPTS="${HBASE_SHELL_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-shell"
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# export HBASE_JSHELL_OPTS="${HBASE_JSHELL_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-jshell"
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# export HBASE_HBCK_OPTS="${HBASE_HBCK_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-hbck"
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# export HBASE_MASTER_OPTS="${HBASE_MASTER_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-master"
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# export HBASE_REGIONSERVER_OPTS="${HBASE_REGIONSERVER_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-regionserver"
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# export HBASE_THRIFT_OPTS="${HBASE_THRIFT_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-thrift"
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# export HBASE_REST_OPTS="${HBASE_REST_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-rest"
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# export HBASE_ZOOKEEPER_OPTS="${HBASE_ZOOKEEPER_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-zookeeper"
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# export HBASE_PE_OPTS="${HBASE_PE_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-performanceevaluation"
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# export HBASE_LTT_OPTS="${HBASE_LTT_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-loadtesttool"
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# export HBASE_CANARY_OPTS="${HBASE_CANARY_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-canary"
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# export HBASE_HBTOP_OPTS="${HBASE_HBTOP_OPTS} ${HBASE_TRACE_OPTS} -Dotel.resource.attributes=service.name=hbase-hbtop"
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# Note also that as of this writing, the javaagent logs to stderr and is not configured along with
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# the rest of HBase's logging configuration.
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#
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# Manually specify a value for OPENTELEMETRY_JAVAAGENT_PATH to override the autodiscovery mechanism
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# export OPENTELEMETRY_JAVAAGENT_PATH=""
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# `HBASE_OTEL_TRACING_ENABLED`, required. Enable attaching the opentelemetry javaagent to the
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# process via support provided by `bin/hbase`. When this value us `false`, the agent is not added
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# to the process launch arguments and all further OpenTelemetry configuration is ignored.
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#export HBASE_OTEL_TRACING_ENABLED=true
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#
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# `OPENTELEMETRY_JAVAAGENT_PATH`, optional. Override the javaagent provided by HBase in `lib/trace`
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# with an alternate. Use when you need to upgrade the agent version or swap out the official one
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# for an alternative implementation.
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#export OPENTELEMETRY_JAVAAGENT_PATH=""
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#
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# `OTEL_FOO_EXPORTER`, required. Specify an Exporter implementation per signal type. HBase only
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# makes explicit use of the traces signal at this time, so the important one is
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# `OTEL_TRACES_EXPORTER`. Specify its value based on the exporter required for your tracing
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# environment. The other two should be uncommented and specified as `none`, otherwise the agent
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# may report errors while attempting to export these other signals to an unconfigured destination.
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# https://github.com/open-telemetry/opentelemetry-java/tree/v1.15.0/sdk-extensions/autoconfigure#exporters
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#export OTEL_TRACES_EXPORTER=""
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#export OTEL_METRICS_EXPORTER="none"
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#export OTEL_LOGS_EXPORTER="none"
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#
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# `OTEL_SERVICE_NAME`, required. Specify "resource attributes", and specifically the `service.name`,
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# as a unique value for each HBase process. OpenTelemetry allows for specifying this value in one
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# of two ways, via environment variables with the `OTEL_` prefix, or via system properties with the
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# `otel.` prefix. Which you use with HBase is decided based on whether this configuration file is
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# read by a single process or shared by multiple HBase processes. For the default standalone mode
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# or an environment where all processes share the same configuration file, use the `otel` system
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# properties by uncommenting all of the `HBASE_FOO_OPTS` exports below. When this configuration file
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# is being consumed by only a single process -- for example, from a systemd configuration or in a
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# container template -- replace use of `HBASE_FOO_OPTS` with the standard `OTEL_SERVICE_NAME` and/or
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# `OTEL_RESOURCE_ATTRIBUTES` environment variables. For further details, see
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# https://github.com/open-telemetry/opentelemetry-java/tree/v1.15.0/sdk-extensions/autoconfigure#opentelemetry-resource
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#export HBASE_CANARY_OPTS="${HBASE_CANARY_OPTS} -Dotel.resource.attributes=service.name=hbase-canary"
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#export HBASE_HBCK_OPTS="${HBASE_HBCK_OPTS} -Dotel.resource.attributes=service.name=hbase-hbck"
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#export HBASE_HBTOP_OPTS="${HBASE_HBTOP_OPTS} -Dotel.resource.attributes=service.name=hbase-hbtop"
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#export HBASE_JSHELL_OPTS="${HBASE_JSHELL_OPTS} -Dotel.resource.attributes=service.name=hbase-jshell"
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#export HBASE_LTT_OPTS="${HBASE_LTT_OPTS} -Dotel.resource.attributes=service.name=hbase-loadtesttool"
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#export HBASE_MASTER_OPTS="${HBASE_MASTER_OPTS} -Dotel.resource.attributes=service.name=hbase-master"
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#export HBASE_PE_OPTS="${HBASE_PE_OPTS} -Dotel.resource.attributes=service.name=hbase-performanceevaluation"
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#export HBASE_REGIONSERVER_OPTS="${HBASE_REGIONSERVER_OPTS} -Dotel.resource.attributes=service.name=hbase-regionserver"
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#export HBASE_REST_OPTS="${HBASE_REST_OPTS} -Dotel.resource.attributes=service.name=hbase-rest"
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#export HBASE_SHELL_OPTS="${HBASE_SHELL_OPTS} -Dotel.resource.attributes=service.name=hbase-shell"
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#export HBASE_THRIFT_OPTS="${HBASE_THRIFT_OPTS} -Dotel.resource.attributes=service.name=hbase-thrift"
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#export HBASE_ZOOKEEPER_OPTS="${HBASE_ZOOKEEPER_OPTS} -Dotel.resource.attributes=service.name=hbase-zookeeper"
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# Additional argments passed to jshell invocation
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#
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# JDK11+ JShell
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#
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# Additional arguments passed to jshell invocation
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# export HBASE_JSHELL_ARGS="--startup DEFAULT --startup PRINTING --startup hbase_startup.jsh"
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