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Add explicit error when trying to pull a Docker image from Docker Hub without Internet access. Fixes #1506.
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@ -200,7 +200,10 @@ class Docker(BaseManager):
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if progress_callback:
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progress_callback("Pulling '{}' from docker hub".format(image))
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response = yield from self.http_query("POST", "images/create", params={"fromImage": image}, timeout=None)
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try:
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response = yield from self.http_query("POST", "images/create", params={"fromImage": image}, timeout=None)
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except DockerError as e:
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raise DockerError("Could not pull the '{}' image from Docker Hub, please check your Internet connection (original error: {})".format(image, e))
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# The pull api will stream status via an HTTP JSON stream
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content = ""
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while True:
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