kafkabp: Support AWS IMDS v2 for rack id #657
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fishy
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pacejackson
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kylelemons
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Jun 11, 2024
| const ( | ||
| // References: | ||
| // https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html | ||
| // https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-categories.html |
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🔕 is there a reference for the IMDSv2 / token API to add?
| tokenURL = "http://169.254.169.254/latest/api/token" | ||
| azURL = "http://169.254.169.254/latest/meta-data/placement/availability-zone" | ||
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| timeout = time.Second |
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🔕 I think units should always come with a scalar too for readability, even if it's 1
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| timeout = time.Second | |
| timeout = 1*time.Second |
| ctx, cancel := context.WithTimeout(context.Background(), timeout) | ||
| defer cancel() | ||
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| token, err := func(ctx context.Context) (string, error) { |
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Same comments as the rack API: not sure I am seeing the reason for the anonymous function, and that header should be normalized
| id, err := awsRackID() | ||
| if err != nil { | ||
| awsRackFailure.Inc() | ||
| slog.Warn("Failed to get AWS availability zone as rack id", "err", err) |
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🔕 is v0 ready for slog?
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I think we want to gradually shift v0 to use slog directly, which will use ctxlog if services have ctxlog set up in their main (as v0 cannot use ctxlog directly)
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Also modernize the code a bit (use sync.OnceValues, etc.).
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Also modernize the code a bit (use sync.OnceValues, etc.).