Use sed as a stream editor and redirect to file#1069
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mogren merged 5 commits intoaws:masterfrom Jul 9, 2020
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@jaypipes could you review this please? |
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@mogren can you check this out too please? |
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Currently, you can't easily provide your own config file for the cni. Mounting a file from a configmap is readonly, and the magical find replace that sed does is inline against the existing file fails. Instead, I am proposing that we copy the file to a tempfile and modify that before we copy it to its destination.
I thought about perhaps having an environment variable for a custom template file, flag, or similar, but I think that actually that could cause more complexity in the entrypoint script, and I didn't want to change the behavior that much.
Sorry for the 'ergh' next to the sed comment, I wanted to show that I wasn't a fan of how this works, the sedding of config files 🤣. I appreciate why this is done here though.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.