fix!: support IPv6 address as custom GCE_METADATA_HOST#2592
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marqc wants to merge 1 commit intogoogleapis:mainfrom
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fix!: support IPv6 address as custom GCE_METADATA_HOST#2592marqc wants to merge 1 commit intogoogleapis:mainfrom
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The url for metadata server would fail if user provided IPv6 address as GCE_METADATA_HOST env. For backwards compatibility new code accepts the following: * domain, i.e. `mymetadataserver.domain.com` * domain with port, i.e. `mymetadataserver.domain.com:8080` * IPv4 address, i.e. `127.0.0.1` * IPv4 address with port, i.e. `127.0.0.1:8080` * IPv6 address, i.e. `::1` * IPv6 address within square brackers, i.e. `[::1]` * IPv6 address with port, i.e. `[::1]:8080` BREAKING CHANGE: As the new code performs URL validation, it will fallback to the `DEFAULT_METADATA_SERVER_URL` if provided env variable results in invalid URL (this is behavioral change as prior to it, the malformed URL would be passed to upper layers and result in invalid request attempt). Signed-off-by: Marek Chodor <mchodor@google.com>
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The url for metadata server would fail if user provided IPv6 address as GCE_METADATA_HOST env.
For backwards compatibility new code accepts the following:
mymetadataserver.domain.commymetadataserver.domain.com:8080127.0.0.1127.0.0.1:8080::1[::1][::1]:8080As the new code performs URL validation, it will fallback to the
DEFAULT_METADATA_SERVER_URLif provided env variable results in invalid URL (this is behavioral change as prior to it, the malformed URL would be passed to upper layers and result in invalid request attempt).Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
Fixes #2591 ☕️
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