export docker socket file name

Author: Alex Fabijanic

userspace/libsinsp/docker.cpp

@@ -9,6 +9,8 @@
 #include "sinsp_int.h"
 #include "user_event.h"
 
+const std::string docker::DOCKER_SOCKET_FILE = "/var/run/docker.sock";
+
 docker::docker(const std::string& url,
 	const std::string& path,
 	const std::string& http_version,
@@ -17,7 +19,7 @@ docker::docker(const std::string& url,
 	bool verbose,
 	event_filter_ptr_t event_filter): m_id("docker"),
 #ifdef HAS_CAPTURE
-		m_url(!url.empty() ? url : std::string(scap_get_host_root()) + "/var/run/docker.sock"),
+		m_url(!url.empty() ? url : std::string(scap_get_host_root()) + DOCKER_SOCKET_FILE),
 		m_collector(false),
 #endif // HAS_CAPTURE
 		m_timeout_ms(timeout_ms),

userspace/libsinsp/docker.h

@@ -17,6 +17,8 @@
 class docker
 {
 public:
+	static const std::string DOCKER_SOCKET_FILE;
+
 	typedef std::vector<std::string> uri_list_t;
 	typedef std::shared_ptr<Json::Value> json_ptr_t;
 	typedef std::set<std::string, ci_compare> event_filter_t;