Add config for sample_percent

Author: gdvalle

charts/lightstepsatellite/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.0.14
+
+* Add `lightstep.sample_percent` for configuring sample percentage from the microsatellite. Note this can also be configured through the Lightstep API, and the API takes precedence.
+
 ## 2.0.13
 
 * Bug fix for OTLP/HTTP responses. This was a latent bug that surfaced with partial success responses introduced in OTLP v0.19. This will fix client errors such as: `proto: cannot parse invalid wire-format data`

charts/lightstepsatellite/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: lightstep
-version: 2.0.13
+version: 2.0.14
 appVersion: "2022-10-03_20-16-42Z"
 description: Lightstep microsatellite to collect telemetry data.
 home: https://lightstep.com/

charts/lightstepsatellite/README.md

@@ -1,6 +1,6 @@
 # lightstep
 
-![Version: 2.0.13](https://img.shields.io/badge/Version-2.0.13-informational?style=flat-square) ![AppVersion: 2022-10-03_20-16-42Z](https://img.shields.io/badge/AppVersion-2022--10--03_20--16--42Z-informational?style=flat-square)
+![Version: 2.0.14](https://img.shields.io/badge/Version-2.0.14-informational?style=flat-square) ![AppVersion: 2022-10-03_20-16-42Z](https://img.shields.io/badge/AppVersion-2022--10--03_20--16--42Z-informational?style=flat-square)
 
 Lightstep microsatellite to collect telemetry data.
 
@@ -39,6 +39,7 @@ Lightstep microsatellite to collect telemetry data.
 | lightstep.max_msg_size_bytes | int | `0` | Configure max gRPC receive message size in bytes. https://pkg.go.dev/google.golang.org/grpc#MaxRecvMsgSize Defaults to the library default of 4MiB if falsy. |
 | lightstep.plain_port | int | `8383` |  |
 | lightstep.project_name | string | `""` | REQUIRED if `lightstep.disable_access_token_checking` is `true` |
+| lightstep.sample_percent | int | `0` | Configure sampling by percentage. https://docs.lightstep.com/docs/micro-satellite-configuration-parameters#sample_percent Defaults to 0, which means unconfigured here. |
 | lightstep.satelliteKey | string | `""` | REQUIRED: your Satellite Key - if not set, `lightstep.collector_satellite_key_secret_name` and `lightstep.collector_satellite_key_secret_key` must be set |
 | lightstep.secure_port | int | `9393` |  |
 | lightstep.tls_cert_prefix | string | `nil` |  |

charts/lightstepsatellite/templates/deployment.yaml

@@ -120,6 +120,10 @@ spec:
             - name: COLLECTOR_MAX_MSG_SIZE_BYTES
               value: {{ .Values.lightstep.max_msg_size_bytes | quote }}
             {{ end }}
+            {{- if .Values.lightstep.sample_percent }}
+            - name: COLLECTOR_SAMPLE_PERCENT
+              value: {{ .Values.lightstep.sample_percent | quote }}
+            {{- end }}
           ports:
           - containerPort: {{ .Values.lightstep.diagnostic_port }}
             name: diagnostics

charts/lightstepsatellite/values.yaml

@@ -121,6 +121,11 @@ lightstep:
   # https://pkg.go.dev/google.golang.org/grpc#MaxRecvMsgSize
   # Defaults to the library default of 4MiB if falsy.
   max_msg_size_bytes: 0
+  # -- Configure sampling by percentage.
+  # https://docs.lightstep.com/docs/micro-satellite-configuration-parameters#sample_percent
+  # Defaults to 0, which means unconfigured here.
+  sample_percent: 0
+
 
 # Recommended resources would be 2Gi memory and 2 cpu
 resources: