Enable otlp OC handler by default and polish doc (#9499)
This commit is contained in:
kezhenxu94
GitHub
parent
828669ce2a
commit
c8a78149a6
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@ -57,6 +57,8 @@
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* Bump up Kubernetes Java client to fix cve.
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* Adapt OpenTelemetry native metrics protocol.
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* [Breaking Change] rename configuration folder from `otel-oc-rules` to `otel-rules`.
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* [Breaking Change] rename configuration field from `enabledOcRules` to `enabledOtelRules` and
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environment variable name from `SW_OTEL_RECEIVER_ENABLED_OC_RULES` to `SW_OTEL_RECEIVER_ENABLED_OTEL_RULES`.
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#### UI
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@ -40,15 +40,15 @@ prometheus-fetcher:
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selector: ${SW_PROMETHEUS_FETCHER:default}
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default:
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enabledRules: ${SW_PROMETHEUS_FETCHER_ENABLED_RULES:"self"}
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```
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```
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3. Make sure `config/fetcher-prom-rules/self.yaml` exists.
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3. Make sure `config/fetcher-prom-rules/self.yaml` exists.
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Once you deploy an OAP server cluster, the target host should be replaced with a dedicated IP or hostname. For instance,
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if there are three OAP servers in your cluster, their hosts are `service1`, `service2`, and `service3`, respectively. You should
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update each `self.yaml` to switch the target host.
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service1:
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service1:
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```yaml
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fetcherInterval: PT15S
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fetcherTimeout: PT10S
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@ -62,7 +62,7 @@ staticConfig:
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...
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```
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service2:
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service2:
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```yaml
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fetcherInterval: PT15S
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fetcherTimeout: PT10S
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@ -76,7 +76,7 @@ staticConfig:
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...
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```
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service3:
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service3:
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```yaml
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fetcherInterval: PT15S
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fetcherTimeout: PT10S
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@ -90,7 +90,7 @@ staticConfig:
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...
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```
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### Service discovery on Kubernetes
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If you deploy an OAP server cluster on Kubernetes, the oap-server instance (pod) would not have a static IP or hostname. We can leverage [OpenTelemetry Collector](https://opentelemetry.io/docs/collector/getting-started/#kubernetes) to discover the oap-server instance, and scrape & transfer the metrics to OAP [OpenTelemetry receiver](opentelemetry-receiver.md).
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If you deploy an OAP server cluster on Kubernetes, the oap-server instance (pod) would not have a static IP or hostname. We can leverage [OpenTelemetry Collector](https://opentelemetry.io/docs/collector/getting-started/#kubernetes) to discover the oap-server instance, and scrape & transfer the metrics to OAP [OpenTelemetry receiver](opentelemetry-receiver.md).
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On how to install SkyWalking on k8s, you can refer to [Apache SkyWalking Kubernetes](https://github.com/apache/skywalking-kubernetes).
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@ -103,9 +103,9 @@ Set this up following these steps:
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```
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- Set environment variables.
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```
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SW_TELEMETRY=prometheus
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SW_OTEL_RECEIVER=default
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SW_OTEL_RECEIVER_ENABLED_OC_RULES=oap
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SW_TELEMETRY=prometheus
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SW_OTEL_RECEIVER=default
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SW_OTEL_RECEIVER_ENABLED_OTEL_RULES=oap
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```
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Here is an example to install by Apache SkyWalking Kubernetes:
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@ -123,7 +123,7 @@ Set this up following these steps:
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--set oap.ports.prometheus-port=1234 \ # <<< Expose self observability metrics port
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--set oap.env.SW_TELEMETRY=prometheus \
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--set oap.env.SW_OTEL_RECEIVER=default \ # <<< Enable Otel receiver
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--set oap.env.SW_OTEL_RECEIVER_ENABLED_OC_RULES=oap # <<< Add oap analyzer for Otel metrics
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--set oap.env.SW_OTEL_RECEIVER_ENABLED_OTEL_RULES=oap # <<< Add oap analyzer for Otel metrics
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```
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2. Set up OpenTelemetry Collector and config a scrape job:
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``` yaml
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@ -134,14 +134,14 @@ Set this up following these steps:
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relabel_configs:
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- source_labels: [__meta_kubernetes_pod_container_name, __meta_kubernetes_pod_container_port_name]
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action: keep
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regex: oap;prometheus-port
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regex: oap;prometheus-port
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- source_labels: []
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target_label: service
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replacement: oap-server
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- source_labels: [__meta_kubernetes_pod_name]
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target_label: host_name
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regex: (.+)
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replacement: $$1
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replacement: $$1
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```
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For the full example for OpenTelemetry Collector configuration and recommended version, you can refer to [showcase](https://github.com/apache/skywalking-showcase/tree/main/deploy/platform/kubernetes/feature-so11y).
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@ -185,5 +185,5 @@ telemetry:
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```
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### Grafana Visualization
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Provide the Grafana dashboard settings.
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Provide the Grafana dashboard settings.
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Check [SkyWalking OAP Cluster Monitor Dashboard](grafana-cluster.json) config and [SkyWalking OAP Instance Monitor Dashboard](grafana-instance.json) config.
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@ -192,8 +192,7 @@ The Configuration Vocabulary lists all available configurations provided by `app
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| - | - | k8sServiceNameRule | `k8sServiceNameRule` allows you to customize the service name in ALS via Kubernetes metadata. The available variables are `pod` and `service`. E.g. you can use `${service.metadata.name}-${pod.metadata.labels.version}` to append the version number to the service name. Note that when using environment variables to pass this configuration, use single quotes(`''`) to avoid being evaluated by the shell. | - | |
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| receiver-otel | default | A receiver for analyzing metrics data from OpenTelemetry. | - | - | |
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| - | - | enabledHandlers | Enabled handlers for otel. | SW_OTEL_RECEIVER_ENABLED_HANDLERS | - |
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| - | - | enabledOcRules | Enabled metric rules for OC handler. | SW_OTEL_RECEIVER_ENABLED_OC_RULES | - |
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| - | - | enabledOtlpRules | Enabled metric rules for OC handler. | SW_OTEL_RECEIVER_ENABLED_OTLP_RULES | - |
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| - | - | enabledOtelRules | Enabled metric rules for OC handler. | SW_OTEL_RECEIVER_ENABLED_OTEL_RULES | - |
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| receiver-zipkin | default | A receiver for Zipkin traces. | - | - | |
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| - | - | sampleRate | The sample rate precision is 1/10000, should be between 0 and 10000 | SW_ZIPKIN_SAMPLE_RATE | 10000 |
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| - | - | searchableTracesTags | Defines a set of span tag keys which are searchable. Multiple values are separated by commas. | SW_ZIPKIN_SEARCHABLE_TAG_KEYS | http.method |
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@ -20,21 +20,24 @@ receiver-otel:
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// Change selector value to default, for activating the otel receiver.
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selector: ${SW_OTEL_RECEIVER:default}
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default:
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enabledHandlers: ${SW_OTEL_RECEIVER_ENABLED_HANDLERS:"oc"}
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enabledOcRules: ${SW_OTEL_RECEIVER_ENABLED_OC_RULES:"istio-controlplane"}
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enabledHandlers: ${SW_OTEL_RECEIVER_ENABLED_HANDLERS:"oc,otlp"}
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enabledOtelRules: ${SW_OTEL_RECEIVER_ENABLED_OTEL_RULES:"istio-controlplane"}
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```
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The receiver adds labels with `key = node_identifier_host_name` and `key = node_identifier_pid` to the collected data samples,
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and values from `Node.identifier.host_name` and `Node.identifier.pid` defined in OpenCensus Agent Proto,
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The receiver adds label with key `node_identifier_host_name` to the collected data samples,
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and its value is from `Node.identifier.host_name` defined in OpenCensus Agent Proto,
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or `net.host.name` (or `host.name` for some OTLP versions) resource attributes defined in OpenTelemetry proto,
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for identification of the metric data.
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| Rule Name | Description | Configuration File | Data Source |
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|----|----|-----|----|
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|istio-controlplane| Metrics of Istio Control Plane | otel-rules/istio-controlplane.yaml | Istio Control Plane -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|oap| Metrics of SkyWalking OAP server itself | otel-rules/oap.yaml | SkyWalking OAP Server(SelfObservability) -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|vm| Metrics of VMs | otel-rules/vm.yaml | Prometheus node-exporter(VMs) -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|k8s-cluster| Metrics of K8s cluster | otel-rules/k8s-cluster.yaml | K8s kube-state-metrics -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|k8s-node| Metrics of K8s cluster | otel-rules/k8s-node.yaml | cAdvisor & K8s kube-state-metrics -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|k8s-service| Metrics of K8s cluster | otel-rules/k8s-service.yaml | cAdvisor & K8s kube-state-metrics -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|mysql| Metrics of MySQL| otel-rules/mysql.yaml | prometheus/mysqld_exporter -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|postgresql| Metrics of PostgreSQL| otel-rules/postgresql.yaml | postgres_exporter -> OpenTelemetry Collector --OC format--> SkyWalking OAP Server |
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|istio-controlplane| Metrics of Istio Control Plane | otel-rules/istio-controlplane.yaml | Istio Control Plane -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|oap| Metrics of SkyWalking OAP server itself | otel-rules/oap.yaml | SkyWalking OAP Server(SelfObservability) -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|vm| Metrics of VMs | otel-rules/vm.yaml | Prometheus node-exporter(VMs) -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|k8s-cluster| Metrics of K8s cluster | otel-rules/k8s-cluster.yaml | K8s kube-state-metrics -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|k8s-node| Metrics of K8s cluster | otel-rules/k8s-node.yaml | cAdvisor & K8s kube-state-metrics -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|k8s-service| Metrics of K8s cluster | otel-rules/k8s-service.yaml | cAdvisor & K8s kube-state-metrics -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|mysql| Metrics of MYSQL| otel-rules/mysql.yaml | prometheus/mysqld_exporter -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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|postgresql| Metrics of PostgreSQL| otel-rules/postgresql.yaml | postgres_exporter -> OpenTelemetry Collector -- OC/OTLP exporter --> SkyWalking OAP Server |
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**Note**: You can also use OpenTelemetry exporter to transport the metrics to SkyWalking OAP directly. See [OpenTelemetry Exporter](./backend-meter.md#opentelemetry-exporter).
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@ -54,7 +54,7 @@ public interface Handler {
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String type();
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void active(List<String> enabledRules, MeterSystem service,
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GRPCHandlerRegister grpcHandlerRegister) throws ModuleStartException;
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void active(OtelMetricReceiverConfig config,
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MeterSystem meterSystem,
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GRPCHandlerRegister grpcHandlerRegister) throws ModuleStartException;
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}
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@ -24,6 +24,7 @@ import java.util.Collections;
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import java.util.List;
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import java.util.Optional;
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import java.util.stream.Collectors;
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import lombok.Getter;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.skywalking.oap.server.library.util.StringUtil;
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@ -34,8 +35,8 @@ public class OtelMetricReceiverConfig extends ModuleConfig {
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private String enabledHandlers;
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private String enabledOcRules;
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private String enabledOtlpRules;
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@Getter
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private String enabledOtelRules;
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public List<String> getEnabledHandlers() {
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return split(enabledHandlers);
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@ -53,7 +54,7 @@ public class OtelMetricReceiverConfig extends ModuleConfig {
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}
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f.setAccessible(true);
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try {
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return split(f.get(this));
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return split(f.get(this));
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} catch (IllegalAccessException e) {
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log.warn("failed to access disabled rule list of {}", handler, e);
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return Collections.emptyList();
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@ -68,7 +68,7 @@ public class OtelMetricReceiverProvider extends ModuleProvider {
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.filter(h -> config.getEnabledHandlers().contains(h.type()))
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.collect(toList());
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for (Handler h : handlers) {
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h.active(config.getEnabledRulesFrom(h.type()), meterSystem, grpcHandlerRegister);
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h.active(config, meterSystem, grpcHandlerRegister);
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}
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}
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@ -18,6 +18,7 @@
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package org.apache.skywalking.oap.server.receiver.otel.oc;
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import com.google.common.base.Splitter;
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import com.google.common.base.Strings;
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import com.google.protobuf.Timestamp;
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import io.grpc.stub.StreamObserver;
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@ -49,12 +50,12 @@ import org.apache.skywalking.oap.server.library.util.prometheus.metrics.Gauge;
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import org.apache.skywalking.oap.server.library.util.prometheus.metrics.Histogram;
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import org.apache.skywalking.oap.server.library.util.prometheus.metrics.Summary;
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import org.apache.skywalking.oap.server.receiver.otel.Handler;
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import org.apache.skywalking.oap.server.receiver.otel.OtelMetricReceiverConfig;
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import static java.util.stream.Collectors.toList;
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public class OCMetricHandler extends MetricsServiceGrpc.MetricsServiceImplBase implements Handler {
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private static final String HOST_NAME_LABEL = "node_identifier_host_name";
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private List<PrometheusMetricConverter> metrics;
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private List<PrometheusMetricConverter> converters;
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@Override public StreamObserver<ExportMetricsServiceRequest> export(
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StreamObserver<ExportMetricsServiceResponse> responseObserver) {
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@ -72,9 +73,6 @@ public class OCMetricHandler extends MetricsServiceGrpc.MetricsServiceImplBase i
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if (StringUtil.isNotBlank(node.getIdentifier().getHostName())) {
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nodeLabels.put(HOST_NAME_LABEL, node.getIdentifier().getHostName());
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}
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if (node.getIdentifier().getPid() > 0) {
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nodeLabels.put("node_identifier_pid", String.valueOf(node.getIdentifier().getPid()));
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}
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}
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final String name = node.getServiceInfo().getName();
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if (!Strings.isNullOrEmpty(name)) {
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@ -88,7 +86,7 @@ public class OCMetricHandler extends MetricsServiceGrpc.MetricsServiceImplBase i
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nodeLabels.put(HOST_NAME_LABEL, resource.getLabelsMap().get("net.host.name"));
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}
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}
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metrics.forEach(m -> m.toMeter(request.getMetricsList().stream()
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converters.forEach(m -> m.toMeter(request.getMetricsList().stream()
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.flatMap(metric -> metric.getTimeseriesList().stream().map(timeSeries ->
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Tuple.of(metric.getMetricDescriptor(),
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buildLabelsFromNodeInfo(
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@ -175,16 +173,19 @@ public class OCMetricHandler extends MetricsServiceGrpc.MetricsServiceImplBase i
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@Override
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public void active(
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List<String> enabledRules,
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OtelMetricReceiverConfig config,
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MeterSystem meterSystem,
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GRPCHandlerRegister grpcHandlerRegister)
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throws ModuleStartException {
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final List<String> enabledRules =
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Splitter.on(",")
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.omitEmptyStrings()
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.splitToList(config.getEnabledOtelRules());
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final List<Rule> rules = Rules.loadRules("otel-rules", enabledRules);
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if (rules.isEmpty()) {
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return;
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}
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this.metrics = rules.stream().map(r -> new PrometheusMetricConverter(r, meterSystem))
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this.converters = rules.stream().map(r -> new PrometheusMetricConverter(r, meterSystem))
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.collect(toList());
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grpcHandlerRegister.addHandler(this);
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}
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@ -39,6 +39,8 @@ import org.apache.skywalking.oap.server.library.util.prometheus.metrics.Histogra
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import org.apache.skywalking.oap.server.library.util.prometheus.metrics.Metric;
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import org.apache.skywalking.oap.server.library.util.prometheus.metrics.Summary;
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import org.apache.skywalking.oap.server.receiver.otel.Handler;
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import org.apache.skywalking.oap.server.receiver.otel.OtelMetricReceiverConfig;
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import com.google.common.base.Splitter;
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import com.google.common.collect.ImmutableMap;
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import io.grpc.stub.StreamObserver;
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import io.opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceRequest;
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@ -48,7 +50,9 @@ import io.opentelemetry.proto.common.v1.KeyValue;
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import io.opentelemetry.proto.metrics.v1.Sum;
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import io.opentelemetry.proto.metrics.v1.SummaryDataPoint.ValueAtQuantile;
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import io.vavr.Function1;
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import lombok.extern.slf4j.Slf4j;
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@Slf4j
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public class OpenTelemetryMetricHandler
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extends MetricsServiceGrpc.MetricsServiceImplBase
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implements Handler {
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@ -56,8 +60,10 @@ public class OpenTelemetryMetricHandler
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private static final Map<String, String> LABEL_MAPPINGS =
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ImmutableMap
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.<String, String>builder()
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.put("net.host.name", "node_identifier_host_name")
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.put("host.name", "node_identifier_host_name")
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.put("job", "job_name")
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.put("service.name", "job_name")
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.build();
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private List<PrometheusMetricConverter> converters;
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@ -68,10 +74,13 @@ public class OpenTelemetryMetricHandler
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@Override
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public void active(
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final List<String> enabledRules,
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final OtelMetricReceiverConfig config,
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final MeterSystem service,
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final GRPCHandlerRegister grpcHandlerRegister) throws ModuleStartException {
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final List<String> enabledRules =
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Splitter.on(",")
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.omitEmptyStrings()
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.splitToList(config.getEnabledOtelRules());
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final List<Rule> rules = Rules.loadRules("otel-rules", enabledRules);
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if (rules.isEmpty()) {
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@ -92,6 +101,10 @@ public class OpenTelemetryMetricHandler
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final StreamObserver<ExportMetricsServiceResponse> responseObserver) {
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requests.getResourceMetricsList().forEach(request -> {
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if (log.isDebugEnabled()) {
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log.debug("Resource attributes: {}", request.getResource().getAttributesList());
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}
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final Map<String, String> nodeLabels =
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request
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.getResource()
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@ -101,7 +114,8 @@ public class OpenTelemetryMetricHandler
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it -> LABEL_MAPPINGS
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.getOrDefault(it.getKey(), it.getKey())
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.replaceAll("\\.", "_"),
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it -> it.getValue().getStringValue()));
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it -> it.getValue().getStringValue(),
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(v1, v2) -> v1));
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converters
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.forEach(convert -> convert.toMeter(
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@ -339,8 +339,8 @@ receiver-otel:
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selector: ${SW_OTEL_RECEIVER:default}
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default:
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enabledHandlers: ${SW_OTEL_RECEIVER_ENABLED_HANDLERS:"oc"}
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enabledOcRules: ${SW_OTEL_RECEIVER_ENABLED_OC_RULES:"istio-controlplane,k8s-node,oap,vm,mysql,postgresql"}
|
||||
enabledOtlpRules: ${SW_OTEL_RECEIVER_ENABLED_OTLP_RULES:"istio-controlplane,k8s-node,oap,vm,mysql,postgresql"}
|
||||
enabledHandlers: ${SW_OTEL_RECEIVER_ENABLED_HANDLERS:"oc,otlp"}
|
||||
enabledOtelRules: ${SW_OTEL_RECEIVER_ENABLED_OTEL_RULES:"istio-controlplane,k8s-node,oap,vm,mysql,postgresql"}
|
||||
|
||||
receiver-zipkin:
|
||||
selector: ${SW_RECEIVER_ZIPKIN:-}
|
||||
|
|
|
|||
|
|
@ -22,11 +22,11 @@ services:
|
|||
service: oap
|
||||
environment:
|
||||
SW_OTEL_RECEIVER: default
|
||||
SW_OTEL_RECEIVER_ENABLED_OC_RULES: mysql
|
||||
SW_OTEL_RECEIVER_ENABLED_OTEL_RULES: mysql
|
||||
ports:
|
||||
- 12800
|
||||
mysql:
|
||||
image: mysql:8.0.30
|
||||
image: mysql:8.0.30
|
||||
networks:
|
||||
- e2e
|
||||
ports:
|
||||
|
|
@ -36,7 +36,7 @@ services:
|
|||
- MYSQL_DATABASE=test2
|
||||
|
||||
mysql-load:
|
||||
image: mysql:8.0.30
|
||||
image: mysql:8.0.30
|
||||
depends_on:
|
||||
- otel-collector
|
||||
networks:
|
||||
|
|
@ -47,7 +47,7 @@ services:
|
|||
command:
|
||||
- -c
|
||||
- "mysql -h mysql -uroot -ppassword < /docker/mock.sql"
|
||||
|
||||
|
||||
mysql-service:
|
||||
image: prom/mysqld-exporter:v0.14.0
|
||||
ports:
|
||||
|
|
@ -58,7 +58,7 @@ services:
|
|||
- e2e
|
||||
depends_on:
|
||||
- mysql
|
||||
|
||||
|
||||
|
||||
otel-collector:
|
||||
image: otel/opentelemetry-collector:0.50.0
|
||||
|
|
@ -72,6 +72,6 @@ services:
|
|||
depends_on:
|
||||
oap:
|
||||
condition: service_healthy
|
||||
|
||||
|
||||
networks:
|
||||
e2e:
|
||||
e2e:
|
||||
|
|
|
|||
|
|
@ -15,19 +15,19 @@
|
|||
|
||||
receivers:
|
||||
prometheus:
|
||||
config:
|
||||
config:
|
||||
scrape_configs:
|
||||
- job_name: 'mysql-monitoring'
|
||||
scrape_interval: 5s
|
||||
static_configs:
|
||||
- targets: ['mysql-service:9104']
|
||||
labels:
|
||||
labels:
|
||||
host_name: showcase
|
||||
processors:
|
||||
batch:
|
||||
|
||||
exporters:
|
||||
opencensus:
|
||||
otlp:
|
||||
endpoint: oap:11800
|
||||
tls:
|
||||
insecure: true
|
||||
|
|
@ -39,4 +39,4 @@ service:
|
|||
processors:
|
||||
- batch
|
||||
exporters:
|
||||
- opencensus
|
||||
- otlp
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ services:
|
|||
service: oap
|
||||
environment:
|
||||
SW_OTEL_RECEIVER: default
|
||||
SW_OTEL_RECEIVER_ENABLED_OC_RULES: vm
|
||||
SW_OTEL_RECEIVER_ENABLED_OTEL_RULES: vm
|
||||
ports:
|
||||
- 12800
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue