[Bug] graph-node won't start if DNS does not resolve
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- rust
- Domain
- backend, networking
Research direction
No file or test is named in the report. Start by tracing graph-node startup through its DNS resolution path and determine where an empty DNS result prevents startup. Done means startup continues without resolved records and DNS is retried periodically so changing IP addresses can be discovered.
Written by the indexing model from the issue text.
Description
Bug report
We use consul (https://www.hashicorp.com/products/consul) to manage DNS for our RPC servers. Consul will add/remove DNS entries based on health status of RPCs. If all the RPCs are unhealthly the DNS query will return no results.
If the DNS returns no results, graph-node fails to start.
Graph-node should start even if DNS is not resolvable and attempt to resolve IP address from time-to-time just as it normally should do for any other service.
Note: IP addresses change over time. DNS should be re-resolved on a periodic basis anyway.
Relevant log output
No response
IPFS hash
No response
Subgraph name or link to explorer
No response
Some information to help us out
- Tick this box if this bug is caused by a regression found in the latest release.
- Tick this box if this bug is specific to the hosted service.
- I have searched the issue tracker to make sure this issue is not a duplicate.
OS information
None
- Dominant language
- Rust
- Stars
- 3.2k
- Forks
- 1.1k
- Avg merge
- 4d 1h
- Merged PRs (30d)
- 1
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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