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Detect container runtime in when using Jib
The detection uses the same method Quarkus already used when building the native binary using a container build Fixes: #24231
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73 changes: 73 additions & 0 deletions
73
core/deployment/src/main/java/io/quarkus/deployment/util/ContainerRuntimeUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package io.quarkus.deployment.util; | ||
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| import java.io.IOException; | ||
| import java.nio.charset.StandardCharsets; | ||
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| import org.jboss.logging.Logger; | ||
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| public final class ContainerRuntimeUtil { | ||
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| private static final Logger log = Logger.getLogger(ContainerRuntimeUtil.class); | ||
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| private ContainerRuntimeUtil() { | ||
| } | ||
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| /** | ||
| * @return {@link ContainerRuntime#DOCKER} if it's available, or {@link ContainerRuntime#PODMAN} | ||
| * if the podman | ||
| * executable exists in the environment or if the docker executable is an alias to podman | ||
| * @throws IllegalStateException if no container runtime was found to build the image | ||
| */ | ||
| public static ContainerRuntime detectContainerRuntime() { | ||
| // Docker version 19.03.14, build 5eb3275d40 | ||
| String dockerVersionOutput = getVersionOutputFor(ContainerRuntime.DOCKER); | ||
| boolean dockerAvailable = dockerVersionOutput.contains("Docker version"); | ||
| // Check if Podman is installed | ||
| // podman version 2.1.1 | ||
| String podmanVersionOutput = getVersionOutputFor(ContainerRuntime.PODMAN); | ||
| boolean podmanAvailable = podmanVersionOutput.startsWith("podman version"); | ||
| if (dockerAvailable) { | ||
| // Check if "docker" is an alias to "podman" | ||
| if (dockerVersionOutput.equals(podmanVersionOutput)) { | ||
| return ContainerRuntime.PODMAN; | ||
| } | ||
| return ContainerRuntime.DOCKER; | ||
| } else if (podmanAvailable) { | ||
| return ContainerRuntime.PODMAN; | ||
| } else { | ||
| throw new IllegalStateException("No container runtime was found to. " | ||
| + "Make sure you have Docker or Podman installed in your environment."); | ||
| } | ||
| } | ||
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| private static String getVersionOutputFor(ContainerRuntime containerRuntime) { | ||
| Process versionProcess = null; | ||
| try { | ||
| ProcessBuilder pb = new ProcessBuilder(containerRuntime.getExecutableName(), "--version") | ||
| .redirectErrorStream(true); | ||
| versionProcess = pb.start(); | ||
| versionProcess.waitFor(); | ||
| return new String(FileUtil.readFileContents(versionProcess.getInputStream()), StandardCharsets.UTF_8); | ||
| } catch (IOException | InterruptedException e) { | ||
| // If an exception is thrown in the process, just return an empty String | ||
| log.debugf(e, "Failure to read version output from %s", containerRuntime.getExecutableName()); | ||
| return ""; | ||
| } finally { | ||
| if (versionProcess != null) { | ||
| versionProcess.destroy(); | ||
| } | ||
| } | ||
| } | ||
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| /** | ||
| * Supported Container runtimes | ||
| */ | ||
| public enum ContainerRuntime { | ||
| DOCKER, | ||
| PODMAN; | ||
|
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| public String getExecutableName() { | ||
| return this.name().toLowerCase(); | ||
| } | ||
| } | ||
| } |
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