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@ -26,11 +26,11 @@ import logging
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log = logging.getLogger(__name__)
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def list_images(type):
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def list_images(emulator_type):
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"""
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Scan directories for available image for a type
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Scan directories for available image for a given emulator type
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:param type: emulator type (dynamips, qemu, iou)
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:param emulator_type: emulator type (dynamips, qemu, iou)
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"""
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files = set()
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images = []
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@ -38,10 +38,10 @@ def list_images(type):
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server_config = Config.instance().get_section_config("Server")
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general_images_directory = os.path.expanduser(server_config.get("images_path", "~/GNS3/images"))
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# Subfolder of the general_images_directory specific to this VM type
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default_directory = default_images_directory(type)
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# Subfolder of the general_images_directory specific to this emulator type
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default_directory = default_images_directory(emulator_type)
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for directory in images_directories(type):
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for directory in images_directories(emulator_type):
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# We limit recursion to path outside the default images directory
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# the reason is in the default directory manage file organization and
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@ -57,9 +57,9 @@ def list_images(type):
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if filename not in files:
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if filename.endswith(".md5sum") or filename.startswith("."):
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continue
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elif ((filename.endswith(".image") or filename.endswith(".bin")) and type == "dynamips") \
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or ((filename.endswith(".bin") or filename.startswith("i86bi")) and type == "iou") \
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or (not filename.endswith(".bin") and not filename.endswith(".image") and type == "qemu"):
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elif ((filename.endswith(".image") or filename.endswith(".bin")) and emulator_type == "dynamips") \
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or ((filename.endswith(".bin") or filename.startswith("i86bi")) and emulator_type == "iou") \
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or (not filename.endswith(".bin") and not filename.endswith(".image") and emulator_type == "qemu"):
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files.add(filename)
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# It the image is located in the standard directory the path is relative
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@ -69,7 +69,7 @@ def list_images(type):
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path = os.path.relpath(os.path.join(root, filename), default_directory)
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try:
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if type in ["dynamips", "iou"]:
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if emulator_type in ["dynamips", "iou"]:
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with open(os.path.join(root, filename), "rb") as f:
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# read the first 7 bytes of the file.
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elf_header_start = f.read(7)
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@ -102,34 +102,34 @@ def _os_walk(directory, recurse=True, **kwargs):
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yield directory, [], files
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def default_images_directory(type):
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def default_images_directory(emulator_type):
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"""
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:returns: Return the default directory for a node type
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"""
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server_config = Config.instance().get_section_config("Server")
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img_dir = os.path.expanduser(server_config.get("images_path", "~/GNS3/images"))
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if type == "qemu":
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if emulator_type == "qemu":
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return os.path.join(img_dir, "QEMU")
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elif type == "iou":
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elif emulator_type == "iou":
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return os.path.join(img_dir, "IOU")
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elif type == "dynamips":
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elif emulator_type == "dynamips":
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return os.path.join(img_dir, "IOS")
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else:
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raise NotImplementedError("%s node type is not supported", type)
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raise NotImplementedError("%s node type is not supported", emulator_type)
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def images_directories(type):
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def images_directories(emulator_type):
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"""
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Return all directories where we will look for images
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by priority
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:param type: Type of emulator
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:param emulator_type: Type of emulator
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"""
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server_config = Config.instance().get_section_config("Server")
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paths = []
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img_dir = os.path.expanduser(server_config.get("images_path", "~/GNS3/images"))
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type_img_directory = default_images_directory(type)
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type_img_directory = default_images_directory(emulator_type)
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try:
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os.makedirs(type_img_directory, exist_ok=True)
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paths.append(type_img_directory)
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