Injecting Auto-instrumentation
An implementation of auto-instrumentation using the OpenTelemetry Operator.
Kubernetes 的 OpenTelemetry Operator
Kubernetes Operator 的一个实现，使用 OpenTelemetry 插桩库管理 Collector 和工作负载的自动插桩。
简介
OpenTelemetry Operator 是 Kubernetes Operator 的一个实现。
Operator 管理以下内容：
入门指南
要在已有集群中安装 Operator，请确保已安装 cert-manager，然后运行：
kubectl apply -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/opentelemetry-operator.yaml
一旦 opentelemetry-operator 部署就绪，创建一个 OpenTelemetry Collector（otelcol）实例，如下所示：
$ kubectl apply -f - <<EOF
apiVersion: opentelemetry.io/v1beta1
kind: OpenTelemetryCollector
metadata:
name: simplest
spec:
config:
receivers:
otlp:
protocols:
grpc:
endpoint: 0.0.0.0:4317
http:
endpoint: 0.0.0.0:4318
processors:
memory_limiter:
check_interval: 1s
limit_percentage: 75
spike_limit_percentage: 15
batch:
send_batch_size: 10000
timeout: 10s
exporters:
# 注意：较旧版本中请使用 `logging` 替代 `debug`。
debug: {}
service:
pipelines:
traces:
receivers: [otlp]
processors: [memory_limiter, batch]
exporters: [debug]
EOF
注意
默认情况下，opentelemetry-operator 使用的是
opentelemetry-collector 镜像。
当通过 Helm Chart 安装 Operator 时，使用的是
opentelemetry-collector-k8s 镜像。
如果你需要使用这些版本中未包含的组件，可能需要构建你自己的 Collector。
有关更多配置选项以及如何使用 OpenTelemetry 插桩库注入自动插桩，请参见 Kubernetes 专用的 OpenTelemetry Operator。
Horizontal Pod Autoscaling
Configure Horizontal Pod Autoscaling with your OpenTelemetry Collector
Target Allocator
A tool to distribute targets of the PrometheusReceiver on all deployed Collector instances
Troubleshooting the OpenTelemetry Operator for Kubernetes
Contains a collection of tips for troubleshooting various aspects of the OpenTelemetry Kubernetes Operator. For example, what to do when the target allocator is failing to discover scrape targets.
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