NgTech-LTD/gns3-server
2
0 Fork 0
mirror of https://github.com/GNS3/gns3-server.git synced 2026-11-03 22:11:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Test all IOU requirements at VM startup

Browse Source 
This allow user to create the node and upload the image after
This commit is contained in:
Julien Duponchelle committed 2015-06-19 16:35:19 +02:00
1 parent 5c4a49a8c7
commit 4aadfa3b67
2 files changed
+27 -23
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

gns3server/modules/iou/iou_vm.py
+22 -22
View File
@@ -142,27 +142,6 @@ class IOUVM(BaseVM):
if os.path.isfile(fix_path):
self._path = fix_path
if not os.path.isfile(self._path) or not os.path.exists(self._path):
if os.path.islink(self._path):
raise IOUError("IOU image '{}' linked to '{}' is not accessible".format(self._path, os.path.realpath(self._path)))
else:
raise IOUError("IOU image '{}' is not accessible".format(self._path))
try:
with open(self._path, "rb") as f:
# read the first 7 bytes of the file.
elf_header_start = f.read(7)
except OSError as e:
raise IOUError("Cannot read ELF header for IOU image '{}': {}".format(self._path, e))
# IOU images must start with the ELF magic number, be 32-bit, little endian
# and have an ELF version of 1 normal IOS image are big endian!
if elf_header_start != b'\x7fELF\x01\x01\x01':
raise IOUError("'{}' is not a valid IOU image".format(self._path))
if not os.access(self._path, os.X_OK):
raise IOUError("IOU image '{}' is not executable".format(self._path))
@property
def use_default_iou_values(self):
"""
@@ -189,9 +168,30 @@ class IOUVM(BaseVM):
def _check_requirements(self):
"""
Checks if IOUYAP executable is available.
Checks if IOUYAP executable is available and if image is accessible.
"""
if not os.path.isfile(self._path) or not os.path.exists(self._path):
if os.path.islink(self._path):
raise IOUError("IOU image '{}' linked to '{}' is not accessible".format(self._path, os.path.realpath(self._path)))
else:
raise IOUError("IOU image '{}' is not accessible".format(self._path))
try:
with open(self._path, "rb") as f:
# read the first 7 bytes of the file.
elf_header_start = f.read(7)
except OSError as e:
raise IOUError("Cannot read ELF header for IOU image '{}': {}".format(self._path, e))
# IOU images must start with the ELF magic number, be 32-bit, little endian
# and have an ELF version of 1 normal IOS image are big endian!
if elf_header_start != b'\x7fELF\x01\x01\x01':
raise IOUError("'{}' is not a valid IOU image".format(self._path))
if not os.access(self._path, os.X_OK):
raise IOUError("IOU image '{}' is not executable".format(self._path))
path = self.iouyap_path
if not path:
raise IOUError("No path to iouyap program has been set")