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New config file options to configure the VNC console port range.

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This commit is contained in:
grossmj 2020-12-03 18:04:42 +10:30
parent db47615d43
commit 5244ae6d4c
2 changed files with 47 additions and 5 deletions
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9
conf/gns3_server.conf
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@ -28,10 +28,19 @@ report_errors = True
console_start_port_range = 5000
; Last console port of the range allocated to devices
console_end_port_range = 10000
; First VNC console port of the range allocated to devices.
; The value MUST BE >= 5900 and <= 65535
vnc_console_start_port_range = 5900
; Last VNC console port of the range allocated to devices
; The value MUST BE >= 5900 and <= 65535
vnc_console_end_port_range = 10000
; First port of the range allocated for inter-device communication. Two ports are allocated per link.
udp_start_port_range = 20000
; Last port of the range allocated for inter-device communication. Two ports are allocated per link
udp_end_port_range = 30000
; uBridge executable location, default: search in PATH
;ubridge_path = ubridge

43
gns3server/compute/base_node.py
View File

@ -83,8 +83,13 @@ class BaseNode:
if self._console is not None:
if console_type == "vnc":
# VNC is a special case and the range must be 5900-6000
self._console = self._manager.port_manager.reserve_tcp_port(self._console, self._project, port_range_start=5900, port_range_end=6000)
vnc_console_start_port_range, vnc_console_end_port_range = self._get_vnc_console_port_range()
self._console = self._manager.port_manager.reserve_tcp_port(
self._console,
self._project,
port_range_start=vnc_console_start_port_range,
port_range_end=vnc_console_end_port_range,
)
elif console_type == "none":
self._console = None
else:
@ -96,8 +101,11 @@ class BaseNode:
if self._console is None:
if console_type == "vnc":
# VNC is a special case and the range must be 5900-6000
self._console = self._manager.port_manager.get_free_tcp_port(self._project, port_range_start=5900, port_range_end=6000)
vnc_console_start_port_range, vnc_console_end_port_range = self._get_vnc_console_port_range()
self._console = self._manager.port_manager.get_free_tcp_port(
self._project,
port_range_start=vnc_console_start_port_range,
port_range_end=vnc_console_end_port_range)
elif console_type != "none":
self._console = self._manager.port_manager.get_free_tcp_port(self._project)
@ -338,6 +346,25 @@ class BaseNode:
self._closed = True
return True
def _get_vnc_console_port_range(self):
"""
Returns the VNC console port range.
"""
server_config = self._manager.config.get_section_config("Server")
vnc_console_start_port_range = server_config.getint("vnc_console_start_port_range", 5900)
vnc_console_end_port_range = server_config.getint("vnc_console_end_port_range", 10000)
if not 5900 <= vnc_console_start_port_range <= 65535:
raise NodeError("The VNC console start port range must be between 5900 and 65535")
if not 5900 <= vnc_console_end_port_range <= 65535:
raise NodeError("The VNC console start port range must be between 5900 and 65535")
if vnc_console_start_port_range >= vnc_console_end_port_range:
raise NodeError(f"The VNC console start port range value ({vnc_console_start_port_range}) "
f"cannot be above or equal to the end value ({vnc_console_end_port_range})")
return vnc_console_start_port_range, vnc_console_end_port_range
async def start_wrap_console(self):
"""
Start a telnet proxy for the console allowing multiple telnet clients
@ -502,7 +529,13 @@ class BaseNode:
self._console = None
if console is not None:
if self.console_type == "vnc":
self._console = self._manager.port_manager.reserve_tcp_port(console, self._project, port_range_start=5900, port_range_end=6000)
vnc_console_start_port_range, vnc_console_end_port_range = self._get_vnc_console_port_range()
self._console = self._manager.port_manager.reserve_tcp_port(
console,
self._project,
port_range_start=vnc_console_start_port_range,
port_range_end=vnc_console_end_port_range
)
else:
self._console = self._manager.port_manager.reserve_tcp_port(console, self._project)