utils: handle ipv6 hosts when splitting URLs #10706
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danxmoran
requested review from
PettitWesley,
edsiper,
leonardo-albertovich,
fujimotos and
koleini
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WalkthroughThe changes update URL parsing logic to correctly handle IPv6 addresses enclosed in brackets, ensuring that colons within IPv6 literals are not mistaken for port separators. Corresponding unit tests and AWS credentials HTTP provider tests are added to verify correct behavior with IPv6 endpoints. Changes
Sequence Diagram(s)sequenceDiagram
participant TestCase as Test (aws_credentials_http.c)
participant Provider as AWS HTTP Provider
participant Utils as URL Parsing Logic
participant MockHTTP as Mock HTTP Server
TestCase->>Provider: Set AWS_CONTAINER_CREDENTIALS_FULL_URI to IPv6 URL
Provider->>Utils: Parse URL (IPv6 in brackets)
Utils-->>Provider: Return protocol, host, port, URI
Provider->>MockHTTP: GET /iam_credentials/pod1 (IPv6 host)
MockHTTP-->>Provider: Return credentials JSON
Provider-->>TestCase: Provide credentials
TestCase->>Provider: Refresh credentials
Provider->>MockHTTP: GET /iam_credentials/pod1 (again)
MockHTTP-->>Provider: Return new credentials JSON
Provider-->>TestCase: Provide refreshed credentials
Estimated code review effort🎯 2 (Simple) | ⏱️ ~8 minutes Assessment against linked issues
Assessment against linked issues: Out-of-scope changesNo out-of-scope changes found. Poem
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Closes fluent#10699 Signed-off-by: Daniel Moran <[email protected]>
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danxmoran
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Aug 7, 2025
| @@ -36,6 +36,8 @@ struct url_check url_checks[] = { | |||
| {0, "https://fluentbit.io:1234/", "https", "fluentbit.io", "1234", "/"}, | |||
| {0, "https://fluentbit.io:1234/v", "https", "fluentbit.io", "1234", "/v"}, | |||
| {-1, "://", NULL, NULL, NULL, NULL}, | |||
| {0, "http://[fd00:ec2::23]/v1/credentials", "http", "fd00:ec2::23", "80", "/v1/credentials"}, | |||
| {0, "https://[::192.9.5.5]:1234/v", "https", "::192.9.5.5", "1234", "/v"} | |||
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Self-review: I am not sure here if there will be a problem when actually trying to use the hosts because we stripped out the enclosing []s. The existing *_copy_host_* functions were stripping the brackets (or trying to) so I kept the behavior. Would appreciate a sanity-check!
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@PettitWesley @edsiper @leonardo-albertovich @fujimotos @koleini (sorry for the spam) do you have an ETA on when you'll be able to review this + the backport PR? Trying to decide if I should give in and enable IRSA on my auto mode cluster or hold out for a bit longer to use pod identity |
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:s in the host from being interpreted as a port separatorCloses #10699
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Before we can approve your change; please submit the following in a comment:
If this is a change to packaging of containers or native binaries then please confirm it works for all targets.
ok-package-testlabel to test for all targets (requires maintainer to do).Documentation
Backporting
#10707
Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.
Summary by CodeRabbit
Bug Fixes
Tests