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Switch default OTel sampler and fix various doc inconsistencies

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Georg Friedrich 2024-12-08 19:46:15 +01:00
parent d1dc3e827f
commit be7fe7864c
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4 changed files with 36 additions and 26 deletions
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29
docs/user-guide/nginx-configuration/configmap.md
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@ -160,12 +160,12 @@ The following table shows a configuration option's name, type, and the default v
| [opentelemetry-config](#/etc/nginx/opentelemetry.toml) | string | "/etc/nginx/opentelemetry.toml" | |
| [otlp-collector-host](#otlp-collector-host) | string | "" | |
| [otlp-collector-port](#otlp-collector-port) | int | 4317 | |
| [otel-max-queuesize](#otel-max-queuesize) | int | | |
| [otel-schedule-delay-millis](#otel-schedule-delay-millis) | int | | |
| [otel-max-export-batch-size](#otel-max-export-batch-size) | int | | |
| [otel-max-queuesize](#otel-max-queuesize) | int | 2048 | |
| [otel-schedule-delay-millis](#otel-schedule-delay-millis) | int | 5000 | |
| [otel-max-export-batch-size](#otel-max-export-batch-size) | int | 512 | |
| [otel-service-name](#otel-service-name) | string | "nginx" | |
| [otel-sampler](#otel-sampler) | string | "AlwaysOff" | |
| [otel-sampler-parent-based](#otel-sampler-parent-based) | bool | "false" | |
| [otel-sampler](#otel-sampler) | string | "TraceIdRatioBased" | |
| [otel-sampler-parent-based](#otel-sampler-parent-based) | bool | "true" | |
| [otel-sampler-ratio](#otel-sampler-ratio) | float | 0.01 | |
| [main-snippet](#main-snippet) | string | "" | |
| [http-snippet](#http-snippet) | string | "" | |
@ -1034,12 +1034,25 @@ Specifies the port to use when uploading traces. _**default:**_ 4317
Specifies the service name to use for any traces created. _**default:**_ nginx
## opentelemetry-trust-incoming-span: "true"
## opentelemetry-trust-incoming-span
Enables or disables using spans from incoming requests as parent for created ones. _**default:**_ true
## otel-max-queuesize
The maximum queue size. After the size is reached data are dropped. _**default:**_ 2048
## otel-schedule-delay-millis
The delay interval in milliseconds between two consecutive exports. _**default:**_ 5000
## otel-max-export-batch-size
The maximum batch size of every export. It must be smaller or equal to [otel-max-queuesize](#otel-max-queuesize). _**default:**_ 512
## otel-sampler-parent-based
Uses sampler implementation which by default will take a sample if parent Activity is sampled. _**default:**_ false
Uses sampler implementation which by default will take a sample if parent Activity is sampled. _**default:**_ true
## otel-sampler-ratio
@ -1047,7 +1060,7 @@ Specifies sample rate for any traces created. _**default:**_ 0.01
## otel-sampler
Specifies the sampler to be used when sampling traces. The available samplers are: AlwaysOff, AlwaysOn, TraceIdRatioBased, remote. _**default:**_ AlwaysOff
Specifies the sampler to be used when sampling traces. The available samplers are: AlwaysOff, AlwaysOn, TraceIdRatioBased. _**default:**_ TraceIdRatioBased
## main-snippet

19
docs/user-guide/third-party-addons/opentelemetry.md
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@ -60,26 +60,23 @@ otlp-collector-port
# specifies the service name to use for any traces created, Default: nginx
otel-service-name
# The maximum queue size. After the size is reached data are dropped.
# The maximum queue size. After the size is reached data are dropped, Default: 2048
otel-max-queuesize
# The delay interval in milliseconds between two consecutive exports.
# The delay interval in milliseconds between two consecutive exports, Default: 5000
otel-schedule-delay-millis
# How long the export can run before it is cancelled.
otel-schedule-delay-millis
# The maximum batch size of every export. It must be smaller or equal to maxQueueSize.
# The maximum batch size of every export. It must be smaller or equal to otel-max-queuesize, Default: 512
otel-max-export-batch-size
# specifies sample rate for any traces created, Default: 0.01
otel-sampler-ratio
# specifies the sampler to be used when sampling traces.
# The available samplers are: AlwaysOn, AlwaysOff, TraceIdRatioBased, Default: AlwaysOff
# The available samplers are: AlwaysOn, AlwaysOff, TraceIdRatioBased, Default: TraceIdRatioBased
otel-sampler
# Uses sampler implementation which by default will take a sample if parent Activity is sampled, Default: false
# Uses sampler implementation which by default will take a sample if parent Activity is sampled, Default: true
otel-sampler-parent-based
```
@ -164,9 +161,9 @@ To install the example and collectors run:
otel-schedule-delay-millis: "5000"
otel-max-export-batch-size: "512"
otel-service-name: "nginx-proxy" # Opentelemetry resource name
otel-sampler: "AlwaysOn" # Also: AlwaysOff, TraceIdRatioBased
otel-sampler-ratio: "1.0"
otel-sampler-parent-based: "false"
otel-sampler: "TraceIdRatioBased" # Also: AlwaysOn, AlwaysOff
otel-sampler-ratio: "0.01"
otel-sampler-parent-based: "true"
metadata:
name: ingress-nginx-controller
namespace: ingress-nginx

10
internal/ingress/controller/config/config.go
View file

@ -609,7 +609,7 @@ type Configuration struct {
OtelServiceName string `json:"otel-service-name"`
// OtelSampler specifies the sampler to use for any traces created
// Default: AlwaysOn
// Default: TraceIdRatioBased
OtelSampler string `json:"otel-sampler"`
// OtelSamplerRatio specifies the sampler ratio to use for any traces created
@ -620,15 +620,15 @@ type Configuration struct {
// Default: true
OtelSamplerParentBased bool `json:"otel-sampler-parent-based"`
// MaxQueueSize specifies the max queue size for uploading traces
// OtelMaxQueueSize specifies the max queue size for uploading traces
// Default: 2048
OtelMaxQueueSize int32 `json:"otel-max-queuesize"`
// ScheduleDelayMillis specifies the max delay between uploading traces
// OtelScheduleDelayMillis specifies the max delay between uploading traces
// Default: 5000
OtelScheduleDelayMillis int32 `json:"otel-schedule-delay-millis"`
// MaxExportBatchSize specifies the max export batch size to used when uploading traces
// OtelMaxExportBatchSize specifies the max export batch size to used when uploading traces
// Default: 512
OtelMaxExportBatchSize int32 `json:"otel-max-export-batch-size"`
@ -886,7 +886,7 @@ func NewDefault() Configuration {
OpentelemetryConfig: "/etc/ingress-controller/telemetry/opentelemetry.toml",
OtlpCollectorPort: "4317",
OtelServiceName: "nginx",
OtelSampler: "AlwaysOn",
OtelSampler: "TraceIdRatioBased",
OtelSamplerRatio: 0.01,
OtelSamplerParentBased: true,
OtelScheduleDelayMillis: 5000,

2
internal/ingress/controller/nginx.go
View file

@ -1063,7 +1063,7 @@ max_export_batch_size = {{ .OtelMaxExportBatchSize }}
name = "{{ .OtelServiceName }}" # Opentelemetry resource name
[sampler]
name = "{{ .OtelSampler }}" # Also: AlwaysOff, TraceIdRatioBased
name = "{{ .OtelSampler }}"
ratio = {{ .OtelSamplerRatio }}
parent_based = {{ .OtelSamplerParentBased }}
`