zen command line tool improvements (#212)

- Feature: zen command line tool `cache-info` to show cache, namespace or bucket info
- Feature: zen command line tool `project-info` to show store, project or oplog info
- Feature: zen command line tool `project-drop` to drop project or oplog
- Feature: zen command line tool `gc` to trigger a GC run
- Feature: zen command line tool `gc-info` to check status of GC
- Improvement: zen command line tool now fails on any unrecognized arguments
- Improvement: zen command line tool now displays extra help for all sub-commands
- Improvement: host address can now be configured for zen command line tool `drop` command

changelog

1 files changed, 67 insertions, 3 deletions

diff --git a/zen/cmds/cache.cpp b/zen/cmds/cache.cpp
index a4fe4da34..2407f5f55 100644
--- a/zen/cmds/cache.cpp
+++ b/zen/cmds/cache.cpp
@@ -16,8 +16,10 @@ ZEN_THIRD_PARTY_INCLUDES_END
 DropCommand::DropCommand()
 {
 	m_Options.add_options()("h,help", "Print help");
+	m_Options.add_option("", "u", "hosturl", "Host URL", cxxopts::value(m_HostName)->default_value("http://localhost:1337"), "<hosturl>");
 	m_Options.add_option("", "n", "namespace", "Namnspace name", cxxopts::value(m_NamespaceName), "<namespacename>");
 	m_Options.add_option("", "b", "bucket", "Bucket name", cxxopts::value(m_BucketName), "<bucketname>");
+	m_Options.parse_positional({"namespace", "bucket"});
 }
 
 DropCommand::~DropCommand() = default;
@@ -25,10 +27,12 @@ DropCommand::~DropCommand() = default;
 int
 DropCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 {
-	ZEN_UNUSED(GlobalOptions, argc, argv);
+	ZEN_UNUSED(GlobalOptions);
 
-	m_Options.parse_positional({"namespace", "bucket"});
-	m_Options.parse(argc, argv);
+	if (!ParseOptions(argc, argv))
+	{
+		return 0;
+	}
 
 	if (m_NamespaceName.empty())
 	{
@@ -67,3 +71,63 @@ DropCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
 
 	return 1;
 }
+
+CacheInfoCommand::CacheInfoCommand()
+{
+	m_Options.add_options()("h,help", "Print help");
+	m_Options.add_option("", "u", "hosturl", "Host URL", cxxopts::value(m_HostName)->default_value("http://localhost:1337"), "<hosturl>");
+	m_Options.add_option("", "n", "namespace", "Namnspace name", cxxopts::value(m_NamespaceName), "<namespacename>");
+	m_Options.add_option("", "b", "bucket", "Bucket name", cxxopts::value(m_BucketName), "<bucketname>");
+	m_Options.parse_positional({"namespace", "bucket"});
+}
+
+CacheInfoCommand::~CacheInfoCommand() = default;
+
+int
+CacheInfoCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
+{
+	ZEN_UNUSED(GlobalOptions);
+
+	if (!ParseOptions(argc, argv))
+	{
+		return 0;
+	}
+
+	cpr::Session Session;
+	Session.SetHeader(cpr::Header{{"Accept", "application/json"}});
+	if (m_HostName.empty())
+	{
+		ZEN_CONSOLE("Info on cache from '{}'", m_HostName);
+		Session.SetUrl({fmt::format("{}/z$", m_HostName)});
+	}
+	else if (m_BucketName.empty())
+	{
+		ZEN_CONSOLE("Info on cache namespace '{}' from '{}'", m_NamespaceName, m_HostName);
+		Session.SetUrl({fmt::format("{}/z$/{}", m_HostName, m_NamespaceName)});
+	}
+	else
+	{
+		ZEN_CONSOLE("Info on cache bucket '{}/{}' from '{}'", m_NamespaceName, m_BucketName, m_HostName);
+		Session.SetUrl({fmt::format("{}/z$/{}/{}", m_HostName, m_NamespaceName, m_BucketName)});
+	}
+
+	cpr::Response Result = Session.Get();
+
+	if (zen::IsHttpSuccessCode(Result.status_code))
+	{
+		ZEN_CONSOLE("{}", Result.text);
+
+		return 0;
+	}
+
+	if (Result.status_code)
+	{
+		ZEN_ERROR("Info failed: {}: {} ({})", Result.status_code, Result.reason, Result.text);
+	}
+	else
+	{
+		ZEN_ERROR("Info failed: {}", Result.error.message);
+	}
+
+	return 1;
+}