[GitHub] [couchdb] j3k0 opened a new issue #3973: IPv6 cluster

[GitBox <gi...@apache.org>]

j3k0 opened a new issue #3973:
URL: https://github.com/apache/couchdb/issues/3973


   I cannot setup a IPv6 cluster, because the `_cluster_setup` action `add_node` doesn't accept IPv6.
   
   ```
   curl -H 'Content-type: application/json' "admin:password@host1.vlan0:5984/_cluster_setup" -d '{"action": "add_node", "host":"host2.vlan0", "port": 5984, "username": "admin", "password":"password"}' | jq
   {
     "error": "invalid_ejson",
     "reason": "{conn_failed,{error,nxdomain}}",
     "ref": 878456848
   }
   ```
   
   * `host1.vlan0` resolves (AAAA) to an address similar to `abcd:1234:abcd:1234:abcd:123:abcd:1`
   * `host2.vlan0` resolves (AAAA) to an address similar to `abcd:1234:abcd:1234:abcd:123:abcd:2`
   
   When trying to set the "host" to the IPv6 address, I get:
   
   ```
   {
     "error": "invalid_ejson",
     "reason": "{url_parsing_failed,{error,invalid_uri}}",
     "ref": 878456848
   }
   ```
   
   I also try to include the IPv6 between `[ ]` (thinking maybe couchdb tries to setup a URL like `http://{ host }:{ port }`) ... but it fails with the same error as if I used an hostname (`error, nxdomain`). (I wonder if there's a regex figuring out if the thing is an IP that only matches IPv4?)
   
   *Note*: another hiccup was that `apache.jfrog.io` does not resolve in IPv6 (solved by downloading and copying the deb file manually... meh). But that's a different issue.


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