Migrate from OpenCensus to Otel using knative

Author: khrm

config/config-observability.yaml

@@ -37,10 +37,47 @@ data:
     # this example block and unindented to be in the data block
     # to actually change the configuration.
 
+    # OpenTelemetry Metrics Configuration
+    # Protocol for metrics export (prometheus, grpc, http/protobuf, none)
+    # Default: prometheus
+    metrics-protocol: prometheus
+    
+    # Metrics endpoint (for grpc/http protocols)
+    # Default: empty (uses default OTLP endpoint)
+    metrics-endpoint: ""
+    
+    # Metrics export interval (e.g., "30s", "1m")
+    # Default: empty (uses default interval)
+    metrics-export-interval: ""
+
+    # OpenTelemetry Tracing Configuration
+    # Protocol for tracing export (grpc, http/protobuf, none, stdout)
+    # Default: none
+    tracing-protocol: none
+    
+    # Tracing endpoint (for grpc/http protocols)
+    # Default: empty
+    tracing-endpoint: ""
+    
+    # Tracing sampling rate (0.0 to 1.0)
+    # Default: 1.0 (100% sampling)
+    tracing-sampling-rate: "1.0"
+
+    # Runtime Configuration
+    # Enable profiling (enabled, disabled)
+    # Default: disabled
+    runtime-profiling: disabled
+    
+    # Runtime export interval (e.g., "15s")
+    # Default: 15s
+    runtime-export-interval: "15s"
+
+    # Legacy OpenCensus Configuration (DEPRECATED)
+    # These are kept for backward compatibility but should be migrated to OpenTelemetry
     # metrics.backend-destination field specifies the system metrics destination.
     # It supports either prometheus (the default) or stackdriver.
     # Note: Using Stackdriver will incur additional charges.
-    metrics.backend-destination: prometheus
+    metrics-protocol: prometheus
 
     # metrics.stackdriver-project-id field specifies the Stackdriver project ID. This
     # field is optional. When running on GCE, application default credentials will be
@@ -54,6 +91,8 @@ data:
     # charge.  If metrics.backend-destination is not Stackdriver, this is
     # ignored.
     metrics.allow-stackdriver-custom-metrics: "false"
+    
+    # Tekton-specific metrics configuration
     metrics.taskrun.level: "task"
     metrics.taskrun.duration-type: "histogram"
     metrics.pipelinerun.level: "pipeline"

config/resolvers/config-observability.yaml

@@ -39,6 +39,43 @@ data:
     # this example block and unindented to be in the data block
     # to actually change the configuration.
 
+    # OpenTelemetry Metrics Configuration
+    # Protocol for metrics export (prometheus, grpc, http/protobuf, none)
+    # Default: prometheus
+    metrics-protocol: prometheus
+    
+    # Metrics endpoint (for grpc/http protocols)
+    # Default: empty (uses default OTLP endpoint)
+    metrics-endpoint: ""
+    
+    # Metrics export interval (e.g., "30s", "1m")
+    # Default: empty (uses default interval)
+    metrics-export-interval: ""
+
+    # OpenTelemetry Tracing Configuration
+    # Protocol for tracing export (grpc, http/protobuf, none, stdout)
+    # Default: none
+    tracing-protocol: none
+    
+    # Tracing endpoint (for grpc/http protocols)
+    # Default: empty
+    tracing-endpoint: ""
+    
+    # Tracing sampling rate (0.0 to 1.0)
+    # Default: 1.0 (100% sampling)
+    tracing-sampling-rate: "1.0"
+
+    # Runtime Configuration
+    # Enable profiling (enabled, disabled)
+    # Default: disabled
+    runtime-profiling: disabled
+    
+    # Runtime export interval (e.g., "15s")
+    # Default: 15s
+    runtime-export-interval: "15s"
+
+    # Legacy OpenCensus Configuration (DEPRECATED)
+    # These are kept for backward compatibility but should be migrated to OpenTelemetry
     # metrics.backend-destination field specifies the system metrics destination.
     # It supports either prometheus (the default) or stackdriver.
     # Note: Using stackdriver will incur additional charges

pkg/apis/config/testdata/config-observability-empty.yaml

@@ -21,6 +21,16 @@ metadata:
     app.kubernetes.io/instance: default
     app.kubernetes.io/part-of: tekton-pipelines
 data:
-  metrics.backend-destination: prometheus
-  metrics.stackdriver-project-id: "<your stackdriver project id>"
-  metrics.allow-stackdriver-custom-metrics: "false"
+  # OpenTelemetry Metrics Configuration
+  metrics-protocol: prometheus
+  metrics-endpoint: ""
+  metrics-export-interval: ""
+  
+  # OpenTelemetry Tracing Configuration
+  tracing-protocol: none
+  tracing-endpoint: ""
+  tracing-sampling-rate: "1.0"
+  
+  # Runtime Configuration
+  runtime-profiling: disabled
+  runtime-export-interval: "15s"

pkg/apis/config/testdata/config-observability-namespacelevel.yaml

@@ -21,11 +21,26 @@ metadata:
     app.kubernetes.io/instance: default
     app.kubernetes.io/part-of: tekton-pipelines
 data:
+  # OpenTelemetry Metrics Configuration
+  metrics-protocol: prometheus
+  metrics-endpoint: ""
+  metrics-export-interval: ""
+  
+  # OpenTelemetry Tracing Configuration
+  tracing-protocol: none
+  tracing-endpoint: ""
+  tracing-sampling-rate: "1.0"
+  
+  # Runtime Configuration
+  runtime-profiling: disabled
+  runtime-export-interval: "15s"
+  
+  # Legacy OpenCensus Configuration (for backward compatibility)
   metrics.backend-destination: prometheus
-  metrics.stackdriver-project-id: "<your stackdriver project id>"
-  metrics.allow-stackdriver-custom-metrics: "false"
+  
+  # Tekton-specific metrics configuration (current implementation expects these)
   metrics.taskrun.level: "namespace"
   metrics.taskrun.duration-type: "histogram"
   metrics.pipelinerun.level: "namespace"
-  metrics.running-pipelinerun.level: "namespace"
   metrics.pipelinerun.duration-type: "lastvalue"
+  metrics.running-pipelinerun.level: "namespace"

pkg/apis/config/testdata/config-observability-reason.yaml

@@ -21,9 +21,26 @@ metadata:
     app.kubernetes.io/instance: default
     app.kubernetes.io/part-of: tekton-pipelines
 data:
+  # OpenTelemetry Metrics Configuration
+  metrics-protocol: prometheus
+  metrics-endpoint: ""
+  metrics-export-interval: ""
+  
+  # OpenTelemetry Tracing Configuration
+  tracing-protocol: none
+  tracing-endpoint: ""
+  tracing-sampling-rate: "1.0"
+  
+  # Runtime Configuration
+  runtime-profiling: disabled
+  runtime-export-interval: "15s"
+  
+  # Legacy OpenCensus Configuration (for backward compatibility)
   metrics.backend-destination: prometheus
   metrics.stackdriver-project-id: "<your stackdriver project id>"
   metrics.allow-stackdriver-custom-metrics: "false"
+  
+  # Tekton-specific metrics configuration (current implementation expects these)
   metrics.taskrun.level: "namespace"
   metrics.taskrun.duration-type: "histogram"
   metrics.pipelinerun.level: "namespace"

pkg/apis/config/testdata/config-observability-throttle.yaml

@@ -21,9 +21,26 @@ metadata:
     app.kubernetes.io/instance: default
     app.kubernetes.io/part-of: tekton-pipelines
 data:
+  # OpenTelemetry Metrics Configuration
+  metrics-protocol: prometheus
+  metrics-endpoint: ""
+  metrics-export-interval: ""
+  
+  # OpenTelemetry Tracing Configuration
+  tracing-protocol: none
+  tracing-endpoint: ""
+  tracing-sampling-rate: "1.0"
+  
+  # Runtime Configuration
+  runtime-profiling: disabled
+  runtime-export-interval: "15s"
+  
+  # Legacy OpenCensus Configuration (for backward compatibility)
   metrics.backend-destination: prometheus
   metrics.stackdriver-project-id: "<your stackdriver project id>"
   metrics.allow-stackdriver-custom-metrics: "false"
+  
+  # Tekton-specific metrics configuration (current implementation expects these)
   metrics.taskrun.level: "namespace"
   metrics.taskrun.duration-type: "histogram"
   metrics.pipelinerun.level: "namespace"

pkg/apis/config/testdata/config-observability.yaml

@@ -21,9 +21,26 @@ metadata:
     app.kubernetes.io/instance: default
     app.kubernetes.io/part-of: tekton-pipelines
 data:
+  # OpenTelemetry Metrics Configuration
+  metrics-protocol: prometheus
+  metrics-endpoint: ""
+  metrics-export-interval: ""
+  
+  # OpenTelemetry Tracing Configuration
+  tracing-protocol: none
+  tracing-endpoint: ""
+  tracing-sampling-rate: "1.0"
+  
+  # Runtime Configuration
+  runtime-profiling: disabled
+  runtime-export-interval: "15s"
+  
+  # Legacy OpenCensus Configuration (for backward compatibility)
   metrics.backend-destination: prometheus
   metrics.stackdriver-project-id: "<your stackdriver project id>"
   metrics.allow-stackdriver-custom-metrics: "false"
+  
+  # Tekton-specific metrics configuration
   metrics.taskrun.level: "taskrun"
   metrics.taskrun.duration-type: "histogram"
   metrics.pipelinerun.level: "pipelinerun"