/**
* Runs Docker command using Docker CLI.
*
* @param cmd Command to be executed
* @param logStdOut If true, propagate STDOUT to the build log
* @param logStdErr If true, propagate STDERR to the build log
* @return Execution result
* @throws IOException Execution error
* @throws InterruptedException The build has been interrupted
*/
private @Nonnull Result executeCmd(@Nonnull String cmd, boolean logStdOut, boolean logStdErr)
throws IOException, InterruptedException {
ByteArrayOutputStream baosStdOut = new ByteArrayOutputStream();
ByteArrayOutputStream baosStdErr = new ByteArrayOutputStream();
OutputStream stdout =
logStdOut ? new TeeOutputStream(listener.getLogger(), baosStdOut) : baosStdOut;
OutputStream stderr =
logStdErr ? new TeeOutputStream(listener.getLogger(), baosStdErr) : baosStdErr;
// get Docker registry credentials
KeyMaterial registryKey = getRegistry().newKeyMaterialFactory(build).materialize();
// Docker server credentials. If server is null (right after upgrading) do not use credentials
KeyMaterial serverKey =
server == null ? null : server.newKeyMaterialFactory(build).materialize();
logger.log(Level.FINER, "Executing: {0}", cmd);
try {
EnvVars env = new EnvVars();
env.putAll(build.getEnvironment(listener));
env.putAll(registryKey.env());
if (serverKey != null) {
env.putAll(serverKey.env());
}
boolean result =
launcher
.launch()
.envs(env)
.pwd(build.getWorkspace())
.stdout(stdout)
.stderr(stderr)
.cmdAsSingleString(cmd)
.start()
.join()
== 0;
// capture the stdout so it can be parsed later on
final String stdOutStr = DockerCLIHelper.getConsoleOutput(baosStdOut, logger);
final String stdErrStr = DockerCLIHelper.getConsoleOutput(baosStdErr, logger);
return new Result(result, stdOutStr, stdErrStr);
} finally {
registryKey.close();
if (serverKey != null) {
serverKey.close();
}
}
}
void processFingerprints(@Nonnull String image) throws IOException, InterruptedException {
if (!createFingerprint) {
return;
}
// Retrieve full image ID using another call
final Result response = executeCmd("docker inspect " + image, false, true);
if (!response.result) {
return; // Bad result, cannot do anything
}
final InspectImageResponse rsp = DockerCLIHelper.parseInspectImageResponse(response.stdout);
if (rsp == null) {
return; // Cannot process the data
}
// Create or retrieve the fingerprint
DockerFingerprints.addFromFacet(rsp.getParent(), rsp.getId(), build);
}
