From d55c4389ae6936c0afa9e03463dae4da5256be36 Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Mon, 31 Oct 2022 06:16:28 +0100
Subject: [PATCH] Introduce cms ping command

---
 .../src/org/argeo/api/cli/HelpCommand.java    |  4 ++
 .../src/org/argeo/cms/cli/ArgeoCli.java       |  1 +
 .../src/org/argeo/cms/cli/CmsCommands.java    | 54 +++++++++++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 org.argeo.cms.cli/src/org/argeo/cms/cli/CmsCommands.java

diff --git a/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java b/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java
index fdcaf0224..cd51d7695 100644
--- a/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java
+++ b/org.argeo.api.cli/src/org/argeo/api/cli/HelpCommand.java
@@ -120,6 +120,10 @@ public class HelpCommand implements DescribedCommand<String> {
 	}
 
 	public static void printHelp(CommandsCli commandsCli, String commandName, StringWriter out) {
+		if (commandName == null) {
+			printHelp(commandsCli, out);
+			return;
+		}
 		DescribedCommand<?> command = (DescribedCommand<?>) commandsCli.getCommand(commandName);
 		String usage = commandsCli.getHelpCommand().getCommandUsage(commandName, command);
 		HelpFormatter formatter = new HelpFormatter();
diff --git a/org.argeo.cms.cli/src/org/argeo/cms/cli/ArgeoCli.java b/org.argeo.cms.cli/src/org/argeo/cms/cli/ArgeoCli.java
index 346cb3c3a..b55f9d6ad 100644
--- a/org.argeo.cms.cli/src/org/argeo/cms/cli/ArgeoCli.java
+++ b/org.argeo.cms.cli/src/org/argeo/cms/cli/ArgeoCli.java
@@ -15,6 +15,7 @@ public class ArgeoCli extends CommandsCli {
 				Option.builder("D").hasArgs().argName("property=value").desc("use value for given property").build());
 
 		// common
+		addCommandsCli(new CmsCommands("cms"));
 		addCommandsCli(new SshCli("ssh"));
 		addCommandsCli(new PosixCommands("posix"));
 		addCommandsCli(new FsCommands("fs"));
diff --git a/org.argeo.cms.cli/src/org/argeo/cms/cli/CmsCommands.java b/org.argeo.cms.cli/src/org/argeo/cms/cli/CmsCommands.java
new file mode 100644
index 000000000..ae2b44174
--- /dev/null
+++ b/org.argeo.cms.cli/src/org/argeo/cms/cli/CmsCommands.java
@@ -0,0 +1,54 @@
+package org.argeo.cms.cli;
+
+import java.net.URI;
+import java.util.List;
+
+import org.apache.commons.cli.CommandLine;
+import org.argeo.api.cli.CommandArgsException;
+import org.argeo.api.cli.CommandsCli;
+import org.argeo.api.cli.DescribedCommand;
+import org.argeo.cms.client.WsPing;
+
+public class CmsCommands extends CommandsCli {
+
+	public CmsCommands(String commandName) {
+		super(commandName);
+		addCommand("ping", new Ping());
+	}
+
+	@Override
+	public String getDescription() {
+		return "Utilities related to an Argeo CMS";
+	}
+
+	class Ping implements DescribedCommand<Void> {
+
+		@Override
+		public Void apply(List<String> t) {
+			CommandLine line = toCommandLine(t);
+			List<String> remaining = line.getArgList();
+			if (remaining.size() == 0) {
+				throw new CommandArgsException("There must be at least one argument");
+			}
+			String uriArg = remaining.get(0);
+			// TODO make it more robust (trailing /, etc.)
+			URI uri = URI.create(uriArg);
+			if ("".equals(uri.getPath())) {
+				uri = URI.create(uri.toString() + "/cms/status/ping");
+			}
+			new WsPing(uri).run();
+			return null;
+		}
+
+		@Override
+		public String getUsage() {
+			return "[ws|wss]://host:port/";
+		}
+
+		@Override
+		public String getDescription() {
+			return "Test whether an Argeo CMS is available, without auhtentication";
+		}
+
+	}
+}
-- 
2.30.2