com.github.dockerjava.core.DockerContextMetaFile Maven / Gradle / Ivy
package com.github.dockerjava.core;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hashing;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Optional;
public class DockerContextMetaFile {
private static HashFunction metaHashFunction = Hashing.sha256();
@JsonProperty("Name")
String name;
@JsonProperty("Endpoints")
Endpoints endpoints;
public static class Endpoints {
@JsonProperty("docker")
Docker docker;
public static class Docker {
@JsonProperty("Host")
String host;
@JsonProperty("SkipTLSVerify")
boolean skipTLSVerify;
}
}
public static Optional resolveContextMetaFile(ObjectMapper objectMapper, File dockerConfigPath, String context) {
final File path = dockerConfigPath.toPath()
.resolve("contexts")
.resolve("meta")
.resolve(metaHashFunction.hashString(context, StandardCharsets.UTF_8).toString())
.resolve("meta.json")
.toFile();
return Optional.ofNullable(loadContextMetaFile(objectMapper, path));
}
public static Optional resolveContextTLSFile(File dockerConfigPath, String context) {
final File path = dockerConfigPath.toPath()
.resolve("contexts")
.resolve("tls")
.resolve(metaHashFunction.hashString(context, StandardCharsets.UTF_8).toString())
.resolve("docker")
.toFile();
return Optional.ofNullable(path).filter(File::exists);
}
public static DockerContextMetaFile loadContextMetaFile(ObjectMapper objectMapper, File dockerContextMetaFile) {
try {
return parseContextMetaFile(objectMapper, dockerContextMetaFile);
} catch (Exception exception) {
return null;
}
}
public static DockerContextMetaFile parseContextMetaFile(ObjectMapper objectMapper, File dockerContextMetaFile) throws IOException {
try {
return objectMapper.readValue(dockerContextMetaFile, DockerContextMetaFile.class);
} catch (IOException e) {
throw new IOException("Failed to parse docker context meta file " + dockerContextMetaFile, e);
}
}
}