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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.security.tool.securityenv;
import com.yahoo.security.tls.TransportSecurityUtils;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Arrays;
import static java.util.stream.Collectors.joining;
/**
* Defines the program's command line parameters.
*
* @author bjorncs
*/
class CliOptions {
static final String SHELL_OPTION = "shell";
static final String HELP_OPTION = "help";
private static final Options OPTIONS = new Options()
.addOption(
Option.builder("s")
.longOpt(SHELL_OPTION)
.hasArg(true)
.required(false)
.desc(String.format("Shell type. Shell type is auto-detected if option not present. Valid values: %s.",
Arrays.stream(UnixShell.values())
.map(shell -> String.format("'%s'", shell.configName()))
.collect(joining(", ", "[", "]"))))
.build())
.addOption(Option.builder("h")
.longOpt(HELP_OPTION)
.hasArg(false)
.required(false)
.desc("Show help")
.build());
static CommandLine parseCliArguments(String[] cliArgs) throws ParseException {
CommandLineParser parser = new DefaultParser();
return parser.parse(OPTIONS, cliArgs);
}
static void printHelp(PrintStream out) {
HelpFormatter formatter = new HelpFormatter();
PrintWriter writer = new PrintWriter(out);
formatter.printHelp(
writer,
formatter.getWidth(),
"vespa-security-env <options>",
String.format("Generates shell commands that defines environments variables based on the content of %s.",
TransportSecurityUtils.CONFIG_FILE_ENVIRONMENT_VARIABLE),
OPTIONS,
formatter.getLeftPadding(),
formatter.getDescPadding(),
String.format("The output may include the following variables:\n%s\n",
Arrays.stream(OutputVariable.values())
.map(variable -> String.format(" - '%s': %s", variable.variableName(), variable.description()))
.collect(joining("\n"))));
writer.flush();
}
}
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