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Ensure memory request is set

org.openrewrite.kubernetes.MissingMemoryRequest
A container is guaranteed to have as much memory as it requests, but is not allowed to use more memory than the limit set. This configuration may save resources and prevent an attack on an exploited container.
Tags
kubernetes
Recipe source
​GitHub, Issue Tracker, Maven Central​
groupId: org.openrewrite.recipe
artifactId: rewrite-kubernetes
version: 2.0.6
Usage
This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-kubernetes:2.0.6 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.Add the following to your build.gradle file:
build.gradle
plugins {
    id("org.openrewrite.rewrite") version("6.5.6")
}
​
rewrite {
    activeRecipe("org.openrewrite.kubernetes.MissingMemoryRequest")
}
​
repositories {
    mavenCentral()
}
​
dependencies {
    rewrite("org.openrewrite.recipe:rewrite-kubernetes:2.0.6")
}
2.Run gradle rewriteRun to run the recipe.
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:6.5.6") }
}
rootProject {
    plugins.apply(org.openrewrite.gradle.RewritePlugin)
    dependencies {
        rewrite("org.openrewrite.recipe:rewrite-kubernetes:2.0.6")
    }
    rewrite {
        activeRecipe("org.openrewrite.kubernetes.MissingMemoryRequest")
    }
    afterEvaluate {
        if (repositories.isEmpty()) {
            repositories {
                mavenCentral()
            }
        }
    }
}
2.Run gradle --init-script init.gradle rewriteRun to run the recipe.
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>5.13.0</version>
        <configuration>
          <activeRecipes>
            <recipe>org.openrewrite.kubernetes.MissingMemoryRequest</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-kubernetes</artifactId>
            <version>2.0.6</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>
</project>
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.MissingMemoryRequest
You will need to have configured the Moderne CLI on your machine before you can run the following command.
shell
mod run . --recipe MissingMemoryRequest
Definition
Recipe List
Yaml Recipe List
​Find missing configuration​
configurationPath: ..spec.containers[:1].resources.requests.memory
---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.kubernetes.MissingMemoryRequest
displayName: Ensure memory request is set
description: A container is guaranteed to have as much memory as it requests, but is not allowed to use more memory than the limit set. This configuration may save resources and prevent an attack on an exploited container.
tags:
  - kubernetes
recipeList:
  - org.openrewrite.kubernetes.search.FindResourceMissingConfiguration:
      configurationPath: ..spec.containers[:1].resources.requests.memory
​
See how this recipe works across multiple open-source repositories
​​
​​
The community edition of the Moderne platform enables you to easily run recipes across thousands of open-source repositories.
Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.
Contributors
​Jonathan Schneider, Jon Brisbin, Knut Wannheden, Aaron Gershman​
Ensure memory limits are set
Ensure readiness probe is configured
Last modified 9d ago