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| 1 | +// Copyright The OpenTelemetry Authors |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +// +kubebuilder:skip |
| 16 | + |
| 17 | +package v1alpha2 |
| 18 | + |
| 19 | +import ( |
| 20 | + corev1 "k8s.io/api/core/v1" |
| 21 | + "k8s.io/apimachinery/pkg/api/resource" |
| 22 | + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| 23 | + |
| 24 | + "github.com/open-telemetry/opentelemetry-operator/apis/v1alpha1" |
| 25 | +) |
| 26 | + |
| 27 | +// InstrumentationSpec defines the desired state of OpenTelemetry SDK and instrumentation. |
| 28 | +type InstrumentationSpec struct { |
| 29 | + // Exporter defines exporter configuration. |
| 30 | + // +optional |
| 31 | + Exporter `json:"exporter,omitempty"` |
| 32 | + |
| 33 | + // Resource defines the configuration for the resource attributes, as defined by the OpenTelemetry specification. |
| 34 | + // +optional |
| 35 | + Resource Resource `json:"resource,omitempty"` |
| 36 | + |
| 37 | + // Propagators defines inter-process context propagation configuration. |
| 38 | + // Values in this list will be set in the OTEL_PROPAGATORS env var. |
| 39 | + // Enum=tracecontext;baggage;b3;b3multi;jaeger;xray;ottrace;none |
| 40 | + // +optional |
| 41 | + Propagators []v1alpha1.Propagator `json:"propagators,omitempty"` |
| 42 | + |
| 43 | + // Sampler defines sampling configuration. |
| 44 | + // +optional |
| 45 | + Sampler `json:"sampler,omitempty"` |
| 46 | + |
| 47 | + // Env defines common env vars. There are four layers for env vars' definitions and |
| 48 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 49 | + // If the former var had been defined, then the other vars would be ignored. |
| 50 | + // +optional |
| 51 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 52 | + |
| 53 | + // Java defines configuration for java auto-instrumentation. |
| 54 | + // +optional |
| 55 | + Java Java `json:"java,omitempty"` |
| 56 | + |
| 57 | + // NodeJS defines configuration for nodejs auto-instrumentation. |
| 58 | + // +optional |
| 59 | + NodeJS NodeJS `json:"nodejs,omitempty"` |
| 60 | + |
| 61 | + // Python defines configuration for python auto-instrumentation. |
| 62 | + // +optional |
| 63 | + Python Python `json:"python,omitempty"` |
| 64 | + |
| 65 | + // DotNet defines configuration for DotNet auto-instrumentation. |
| 66 | + // +optional |
| 67 | + DotNet DotNet `json:"dotnet,omitempty"` |
| 68 | + |
| 69 | + // Go defines configuration for Go auto-instrumentation. |
| 70 | + // When using Go auto-instrumentation you must provide a value for the OTEL_GO_AUTO_TARGET_EXE env var via the |
| 71 | + // Instrumentation env vars or via the instrumentation.opentelemetry.io/otel-go-auto-target-exe pod annotation. |
| 72 | + // Failure to set this value causes instrumentation injection to abort, leaving the original pod unchanged. |
| 73 | + // +optional |
| 74 | + Go Go `json:"go,omitempty"` |
| 75 | + |
| 76 | + // ApacheHttpd defines configuration for Apache HTTPD auto-instrumentation. |
| 77 | + // +optional |
| 78 | + ApacheHttpd ApacheHttpd `json:"apacheHttpd,omitempty"` |
| 79 | + |
| 80 | + // Nginx defines configuration for Nginx auto-instrumentation. |
| 81 | + // +optional |
| 82 | + Nginx Nginx `json:"nginx,omitempty"` |
| 83 | +} |
| 84 | + |
| 85 | +// Resource defines the configuration for the resource attributes, as defined by the OpenTelemetry specification. |
| 86 | +// See also: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.8.0/specification/overview.md#resources |
| 87 | +type Resource struct { |
| 88 | + // Attributes defines attributes that are added to the resource. |
| 89 | + // For example environment: dev |
| 90 | + // +optional |
| 91 | + Attributes map[string]string `json:"resourceAttributes,omitempty"` |
| 92 | + |
| 93 | + // AddK8sUIDAttributes defines whether K8s UID attributes should be collected (e.g. k8s.deployment.uid). |
| 94 | + // +optional |
| 95 | + AddK8sUIDAttributes bool `json:"addK8sUIDAttributes,omitempty"` |
| 96 | +} |
| 97 | + |
| 98 | +// Exporter defines OTLP exporter configuration. |
| 99 | +type Exporter struct { |
| 100 | + // Endpoint is address of the collector with OTLP endpoint. |
| 101 | + // +optional |
| 102 | + Endpoint string `json:"endpoint,omitempty"` |
| 103 | +} |
| 104 | + |
| 105 | +// Sampler defines sampling configuration. |
| 106 | +type Sampler struct { |
| 107 | + // Type defines sampler type. |
| 108 | + // The value will be set in the OTEL_TRACES_SAMPLER env var. |
| 109 | + // The value can be for instance parentbased_always_on, parentbased_always_off, parentbased_traceidratio... |
| 110 | + // +optional |
| 111 | + Type v1alpha1.SamplerType `json:"type,omitempty"` |
| 112 | + |
| 113 | + // Argument defines sampler argument. |
| 114 | + // The value depends on the sampler type. |
| 115 | + // For instance for parentbased_traceidratio sampler type it is a number in range [0..1] e.g. 0.25. |
| 116 | + // The value will be set in the OTEL_TRACES_SAMPLER_ARG env var. |
| 117 | + // +optional |
| 118 | + Argument string `json:"argument,omitempty"` |
| 119 | +} |
| 120 | + |
| 121 | +// Java defines Java SDK and instrumentation configuration. |
| 122 | +type Java struct { |
| 123 | + // Image is a container image with javaagent auto-instrumentation JAR. |
| 124 | + // +optional |
| 125 | + Image string `json:"image,omitempty"` |
| 126 | + |
| 127 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 128 | + // The default size is 200Mi. |
| 129 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 130 | + |
| 131 | + // Env defines java specific env vars. There are four layers for env vars' definitions and |
| 132 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 133 | + // If the former var had been defined, then the other vars would be ignored. |
| 134 | + // +optional |
| 135 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 136 | + |
| 137 | + // Resources describes the compute resource requirements. |
| 138 | + // +optional |
| 139 | + Resources corev1.ResourceRequirements `json:"resources,omitempty"` |
| 140 | +} |
| 141 | + |
| 142 | +// NodeJS defines NodeJS SDK and instrumentation configuration. |
| 143 | +type NodeJS struct { |
| 144 | + // Image is a container image with NodeJS SDK and auto-instrumentation. |
| 145 | + // +optional |
| 146 | + Image string `json:"image,omitempty"` |
| 147 | + |
| 148 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 149 | + // The default size is 200Mi. |
| 150 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 151 | + |
| 152 | + // Env defines nodejs specific env vars. There are four layers for env vars' definitions and |
| 153 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 154 | + // If the former var had been defined, then the other vars would be ignored. |
| 155 | + // +optional |
| 156 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 157 | + |
| 158 | + // Resources describes the compute resource requirements. |
| 159 | + // +optional |
| 160 | + Resources corev1.ResourceRequirements `json:"resourceRequirements,omitempty"` |
| 161 | +} |
| 162 | + |
| 163 | +// Python defines Python SDK and instrumentation configuration. |
| 164 | +type Python struct { |
| 165 | + // Image is a container image with Python SDK and auto-instrumentation. |
| 166 | + // +optional |
| 167 | + Image string `json:"image,omitempty"` |
| 168 | + |
| 169 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 170 | + // The default size is 200Mi. |
| 171 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 172 | + |
| 173 | + // Env defines python specific env vars. There are four layers for env vars' definitions and |
| 174 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 175 | + // If the former var had been defined, then the other vars would be ignored. |
| 176 | + // +optional |
| 177 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 178 | + |
| 179 | + // Resources describes the compute resource requirements. |
| 180 | + // +optional |
| 181 | + Resources corev1.ResourceRequirements `json:"resourceRequirements,omitempty"` |
| 182 | +} |
| 183 | + |
| 184 | +// DotNet defines DotNet SDK and instrumentation configuration. |
| 185 | +type DotNet struct { |
| 186 | + // Image is a container image with DotNet SDK and auto-instrumentation. |
| 187 | + // +optional |
| 188 | + Image string `json:"image,omitempty"` |
| 189 | + |
| 190 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 191 | + // The default size is 200Mi. |
| 192 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 193 | + |
| 194 | + // Env defines DotNet specific env vars. There are four layers for env vars' definitions and |
| 195 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 196 | + // If the former var had been defined, then the other vars would be ignored. |
| 197 | + // +optional |
| 198 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 199 | + // Resources describes the compute resource requirements. |
| 200 | + // +optional |
| 201 | + Resources corev1.ResourceRequirements `json:"resourceRequirements,omitempty"` |
| 202 | +} |
| 203 | + |
| 204 | +type Go struct { |
| 205 | + // Image is a container image with Go SDK and auto-instrumentation. |
| 206 | + // +optional |
| 207 | + Image string `json:"image,omitempty"` |
| 208 | + |
| 209 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 210 | + // The default size is 200Mi. |
| 211 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 212 | + |
| 213 | + // Env defines Go specific env vars. There are four layers for env vars' definitions and |
| 214 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 215 | + // If the former var had been defined, then the other vars would be ignored. |
| 216 | + // +optional |
| 217 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 218 | + |
| 219 | + // Resources describes the compute resource requirements. |
| 220 | + // +optional |
| 221 | + Resources corev1.ResourceRequirements `json:"resourceRequirements,omitempty"` |
| 222 | +} |
| 223 | + |
| 224 | +// ApacheHttpd defines Apache SDK and instrumentation configuration. |
| 225 | +type ApacheHttpd struct { |
| 226 | + // Image is a container image with Apache SDK and auto-instrumentation. |
| 227 | + // +optional |
| 228 | + Image string `json:"image,omitempty"` |
| 229 | + |
| 230 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 231 | + // The default size is 200Mi. |
| 232 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 233 | + |
| 234 | + // Env defines Apache HTTPD specific env vars. There are four layers for env vars' definitions and |
| 235 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 236 | + // If the former var had been defined, then the other vars would be ignored. |
| 237 | + // +optional |
| 238 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 239 | + |
| 240 | + // Attrs defines Apache HTTPD agent specific attributes. The precedence is: |
| 241 | + // `agent default attributes` > `instrument spec attributes` . |
| 242 | + // Attributes are documented at https://github.com/open-telemetry/opentelemetry-cpp-contrib/tree/main/instrumentation/otel-webserver-module |
| 243 | + // +optional |
| 244 | + Attrs []corev1.EnvVar `json:"attrs,omitempty"` |
| 245 | + |
| 246 | + // Apache HTTPD server version. One of 2.4 or 2.2. Default is 2.4 |
| 247 | + // +optional |
| 248 | + Version string `json:"version,omitempty"` |
| 249 | + |
| 250 | + // Location of Apache HTTPD server configuration. |
| 251 | + // Needed only if different from default "/usr/local/apache2/conf" |
| 252 | + // +optional |
| 253 | + ConfigPath string `json:"configPath,omitempty"` |
| 254 | + |
| 255 | + // Resources describes the compute resource requirements. |
| 256 | + // +optional |
| 257 | + Resources corev1.ResourceRequirements `json:"resourceRequirements,omitempty"` |
| 258 | +} |
| 259 | + |
| 260 | +// Nginx defines Nginx SDK and instrumentation configuration. |
| 261 | +type Nginx struct { |
| 262 | + // Image is a container image with Nginx SDK and auto-instrumentation. |
| 263 | + // +optional |
| 264 | + Image string `json:"image,omitempty"` |
| 265 | + |
| 266 | + // VolumeSizeLimit defines size limit for volume used for auto-instrumentation. |
| 267 | + // The default size is 200Mi. |
| 268 | + VolumeSizeLimit *resource.Quantity `json:"volumeLimitSize,omitempty"` |
| 269 | + |
| 270 | + // Env defines Nginx specific env vars. There are four layers for env vars' definitions and |
| 271 | + // the precedence order is: `original container env vars` > `language specific env vars` > `common env vars` > `instrument spec configs' vars`. |
| 272 | + // If the former var had been defined, then the other vars would be ignored. |
| 273 | + // +optional |
| 274 | + Env []corev1.EnvVar `json:"env,omitempty"` |
| 275 | + |
| 276 | + // Attrs defines Nginx agent specific attributes. The precedence order is: |
| 277 | + // `agent default attributes` > `instrument spec attributes` . |
| 278 | + // Attributes are documented at https://github.com/open-telemetry/opentelemetry-cpp-contrib/tree/main/instrumentation/otel-webserver-module |
| 279 | + // +optional |
| 280 | + Attrs []corev1.EnvVar `json:"attrs,omitempty"` |
| 281 | + |
| 282 | + // Location of Nginx configuration file. |
| 283 | + // Needed only if different from default "/etx/nginx/nginx.conf" |
| 284 | + // +optional |
| 285 | + ConfigFile string `json:"configFile,omitempty"` |
| 286 | + |
| 287 | + // Resources describes the compute resource requirements. |
| 288 | + // +optional |
| 289 | + Resources corev1.ResourceRequirements `json:"resourceRequirements,omitempty"` |
| 290 | +} |
| 291 | + |
| 292 | +// InstrumentationStatus defines status of the instrumentation. |
| 293 | +type InstrumentationStatus struct { |
| 294 | +} |
| 295 | + |
| 296 | +// +kubebuilder:object:root=true |
| 297 | +// +kubebuilder:resource:shortName=otelinst;otelinsts |
| 298 | +// +kubebuilder:subresource:status |
| 299 | +// +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp" |
| 300 | +// +kubebuilder:printcolumn:name="Endpoint",type="string",JSONPath=".spec.exporter.endpoint" |
| 301 | +// +kubebuilder:printcolumn:name="Sampler",type="string",JSONPath=".spec.sampler.type" |
| 302 | +// +kubebuilder:printcolumn:name="Sampler Arg",type="string",JSONPath=".spec.sampler.argument" |
| 303 | +// +operator-sdk:csv:customresourcedefinitions:displayName="OpenTelemetry Instrumentation" |
| 304 | +// +operator-sdk:csv:customresourcedefinitions:resources={{Pod,v1}} |
| 305 | + |
| 306 | +// Instrumentation is the spec for OpenTelemetry instrumentation. |
| 307 | +type Instrumentation struct { |
| 308 | + Status InstrumentationStatus `json:"status,omitempty"` |
| 309 | + metav1.TypeMeta `json:",inline"` |
| 310 | + Spec InstrumentationSpec `json:"spec,omitempty"` |
| 311 | + metav1.ObjectMeta `json:"metadata,omitempty"` |
| 312 | +} |
| 313 | + |
| 314 | +// +kubebuilder:object:root=true |
| 315 | + |
| 316 | +// InstrumentationList contains a list of Instrumentation. |
| 317 | +type InstrumentationList struct { |
| 318 | + metav1.TypeMeta `json:",inline"` |
| 319 | + metav1.ListMeta `json:"metadata,omitempty"` |
| 320 | + Items []Instrumentation `json:"items"` |
| 321 | +} |
| 322 | + |
| 323 | +func init() { |
| 324 | + SchemeBuilder.Register(&Instrumentation{}, &InstrumentationList{}) |
| 325 | +} |
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