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Add warning when using IOU with a hostname length above 15 characters.
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@ -380,6 +380,8 @@ class IOUVM(BaseNode):
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if "license" not in config:
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raise IOUError("License section not found in iourc file {}".format(self.iourc_path))
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hostname = socket.gethostname()
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if len(hostname) > 15:
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log.warning("Older IOU images may not boot because hostname '{}' length is above 15 characters".format(hostname))
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if hostname not in config["license"]:
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raise IOUError("Hostname \"{}\" not found in iourc file {}".format(hostname, self.iourc_path))
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user_ioukey = config["license"][hostname]
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