oxidecomputer / oxidecomputer/omicron

Internal DNS should permute the order in which it responds for entries with multiple records.

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Dominant language
Rust
Stars
572
Forks
97
Avg merge
2d 12h
Merged PRs (30d)
96

Description

Internal DNS counterpart to #3613.

$  dig +noall +additional @fd00:1122:3344:1::1 SRV _cockroach._tcp.control-plane.oxide.internal
069387bc-d7c7-405d-a2c9-2f0620a92e1b.host.control-plane.oxide.internal.    0 IN AAAA fd00:1122:3344:101::6
1735053a-4cdc-46af-8182-22f71b9215e9.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::5
c225a87a-53c0-4915-8156-236dd6dcf5be.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::4
ceff8924-461b-48a5-b99d-e036b136f998.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::3
d725a480-9647-4709-859a-4dc3c597cc30.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::7

$  dig +noall +additional @fd00:1122:3344:1::1 SRV _cockroach._tcp.control-plane.oxide.internal
069387bc-d7c7-405d-a2c9-2f0620a92e1b.host.control-plane.oxide.internal.    0 IN AAAA fd00:1122:3344:101::6
1735053a-4cdc-46af-8182-22f71b9215e9.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::5
c225a87a-53c0-4915-8156-236dd6dcf5be.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::4
ceff8924-461b-48a5-b99d-e036b136f998.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::3
d725a480-9647-4709-859a-4dc3c597cc30.host.control-plane.oxide.internal. 0 IN AAAA fd00:1122:3344:101::7

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by comparing this issue with #3613 and reproducing the two repeated dig queries for the internal DNS SRV record. Trace the internal DNS entry point that produces responses with multiple records; done means repeated queries can return those records in a permuted order.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
networking
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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