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No host process ID sharing

org.openrewrite.kubernetes.NoHostProcessIdSharing
Sharing the host process ID namespace breaks the isolation between container images and can make processes visible to other containers in the pod. This includes all information in the /proc directory, which can sometimes include passwords or keys, passed as environment variables.

Tags

  • kubernetes

Recipe source

  • groupId: org.openrewrite.recipe
  • artifactId: rewrite-kubernetes
  • version: 2.2.1

Usage

This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-kubernetes:2.2.1 in your build file or by running a shell command (in which case no build changes are needed):
Gradle
Gradle init script
Maven POM
Maven Command Line
Moderne CLI
  1. 1.
    Add the following to your build.gradle file:
build.gradle
plugins {
id("org.openrewrite.rewrite") version("6.8.4")
}
rewrite {
activeRecipe("org.openrewrite.kubernetes.NoHostProcessIdSharing")
}
repositories {
mavenCentral()
}
dependencies {
rewrite("org.openrewrite.recipe:rewrite-kubernetes:2.2.1")
}
  1. 2.
    Run gradle rewriteRun to run the recipe.
  1. 1.
    Create a file named init.gradle in the root of your project.
init.gradle
initscript {
repositories {
maven { url "https://plugins.gradle.org/m2" }
}
dependencies { classpath("org.openrewrite:plugin:6.8.4") }
}
rootProject {
plugins.apply(org.openrewrite.gradle.RewritePlugin)
dependencies {
rewrite("org.openrewrite.recipe:rewrite-kubernetes:2.2.1")
}
rewrite {
activeRecipe("org.openrewrite.kubernetes.NoHostProcessIdSharing")
}
afterEvaluate {
if (repositories.isEmpty()) {
repositories {
mavenCentral()
}
}
}
}
  1. 2.
    Run gradle --init-script init.gradle rewriteRun to run the recipe.
  1. 1.
    Add the following to your pom.xml file:
pom.xml
<project>
<build>
<plugins>
<plugin>
<groupId>org.openrewrite.maven</groupId>
<artifactId>rewrite-maven-plugin</artifactId>
<version>5.23.1</version>
<configuration>
<activeRecipes>
<recipe>org.openrewrite.kubernetes.NoHostProcessIdSharing</recipe>
</activeRecipes>
</configuration>
<dependencies>
<dependency>
<groupId>org.openrewrite.recipe</groupId>
<artifactId>rewrite-kubernetes</artifactId>
<version>2.2.1</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
  1. 2.
    Run mvn rewrite:run to run the recipe.
shell
mvn -U org.openrewrite.maven:rewrite-maven-plugin:run -Drewrite.recipeArtifactCoordinates=org.openrewrite.recipe:rewrite-kubernetes:RELEASE -Drewrite.activeRecipes=org.openrewrite.kubernetes.NoHostProcessIdSharing
You will need to have configured the Moderne CLI on your machine before you can run the following command.
shell
mod run . --recipe NoHostProcessIdSharing

Definition

Recipe List
Yaml Recipe List
---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.kubernetes.NoHostProcessIdSharing
displayName: No host process ID sharing
description: Sharing the host process ID namespace breaks the isolation between container images and can make processes visible to other containers in the pod. This includes all information in the /proc directory, which can sometimes include passwords or keys, passed as environment variables.
tags:
- kubernetes
recipeList:
- org.openrewrite.kubernetes.AddConfiguration:
resourceKind: Pod
configurationPath: $.spec
value: hostPID: false

See how this recipe works across multiple open-source repositories

Moderne Link Image
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Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.

Contributors