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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| Copyright 2024. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
| package apm | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| ) | ||
|
|
||
| const ( | ||
| volumeName = "newrelic-instrumentation" | ||
| initContainerName = "newrelic-instrumentation" | ||
| sideCarName = "opentelemetry-auto-instrumentation" | ||
|
|
||
| // indicates whether newrelic agents should be injected or not. | ||
| // Possible values are "true", "false" or "<Instrumentation>" name. | ||
| annotationInjectJava = "instrumentation.newrelic.com/inject-java" | ||
| annotationInjectJavaContainersName = "instrumentation.newrelic.com/java-container-names" | ||
| annotationInjectNodeJS = "instrumentation.newrelic.com/inject-nodejs" | ||
| annotationInjectNodeJSContainersName = "instrumentation.newrelic.com/nodejs-container-names" | ||
| annotationInjectPython = "instrumentation.newrelic.com/inject-python" | ||
| annotationInjectPythonContainersName = "instrumentation.newrelic.com/python-container-names" | ||
| annotationInjectDotNet = "instrumentation.newrelic.com/inject-dotnet" | ||
| annotationInjectDotnetContainersName = "instrumentation.newrelic.com/dotnet-container-names" | ||
| annotationInjectPhp = "instrumentation.newrelic.com/inject-php" | ||
| annotationInjectPhpContainersName = "instrumentation.newrelic.com/php-container-names" | ||
| annotationPhpExecCmd = "instrumentation.newrelic.com/php-exec-command" | ||
| annotationInjectContainerName = "instrumentation.newrelic.com/container-name" | ||
| annotationInjectGo = "instrumentation.opentelemetry.io/inject-go" | ||
| annotationGoExecPath = "instrumentation.opentelemetry.io/otel-go-auto-target-exe" | ||
| annotationInjectGoContainerName = "instrumentation.opentelemetry.io/go-container-name" | ||
| ) | ||
|
|
||
| // Calculate if we already inject InitContainers. | ||
| func isInitContainerMissing(pod corev1.Pod) bool { | ||
| for _, initContainer := range pod.Spec.InitContainers { | ||
| if initContainer.Name == initContainerName { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| func getIndexOfEnv(envs []corev1.EnvVar, name string) int { | ||
| for i := range envs { | ||
| if envs[i].Name == name { | ||
| return i | ||
| } | ||
| } | ||
| return -1 | ||
| } | ||
|
|
||
| func validateContainerEnv(envs []corev1.EnvVar, envsToBeValidated ...string) error { | ||
| for _, envToBeValidated := range envsToBeValidated { | ||
| for _, containerEnv := range envs { | ||
| if containerEnv.Name == envToBeValidated { | ||
| if containerEnv.ValueFrom != nil { | ||
| return fmt.Errorf("the container defines env var value via ValueFrom, envVar: %s", containerEnv.Name) | ||
| } | ||
| break | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } |
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