[GitHub] [couchdb-helm] rajeevpadinharepattu opened a new issue, #96: unable to setup couch db on ipv6 only environemnt.

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

rajeevpadinharepattu opened a new issue, #96:
URL: https://github.com/apache/couchdb-helm/issues/96

   **Describe the bug**
   unable to setup couch db on ipv6 only environemnt
   
   **Version of Helm and Kubernetes**:
   CouchDB - 3.3.4
   Kubernetes: 1.22
   
   **What happened**:
   After installing the chart the pods are in CrashLoopBackOff and getting the below logs from couchdb container
   
   eic@devgpu01:~> kubectl get pods -n tycoai-db
   NAME                READY   STATUS             RESTARTS         AGE
   couchdb-couchdb-0   0/2     CrashLoopBackOff   15 (4m58s ago)   18m
   
   
   eic@devgpu01:~> kubectl logs -n tycoai-db couchdb-couchdb-0 -c couchdb
   2022-10-20 03:59:11 Can't set long node name!
   Please check your configuration
   
   2022-10-20 03:59:11 crash_report
   {net_kernel,init,['Argument__1']}
   <0.27.0>
   []
   {exit,{error,badarg},[{gen_server,init_it,6,[{file,"gen_server.erl"},{line,349}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]}
   [net_sup,kernel_sup,<0.14.0>]
   0
   []
   [<0.24.0>]
   [{longnames,true}]
   true
   running
   1598
   27
   927
       initial_call:     pid:     registered_name:     error_info:     ancestors:     message_queue_len:     messages:     links:     dictionary:     trap_exit:     status:     heap_size:     stack_size:     reductions: 2022-10-20 03:59:11 supervisor_report
   {local,net_sup}
   start_error
   {'EXIT',nodistribution}
   [{pid,undefined},{id,net_kernel},{mfargs,{net_kernel,start_link,[[couchdb,longnames],true]}},{restart_type,permanent},{shutdown,2000},{child_type,worker}]
   {local,kernel_sup}
   start_error
   {shutdown,{failed_to_start_child,net_kernel,{'EXIT',nodistribution}}}
   [{pid,undefined},{id,net_sup},{mfargs,{erl_distribution,start_link,[]}},{restart_type,permanent},{shutdown,infinity},{child_type,supervisor}]
       supervisor:     errorContext:     reason:     offender: 2022-10-20 03:59:11 supervisor_report
   {application_master,init,['Argument__1','Argument__2','Argument__3','Argument__4']}
   <0.13.0>
       supervisor:     errorContext:     reason:     offender: 2022-10-20 03:59:11 crash_report
   []
   {exit,{{shutdown,{failed_to_start_child,net_sup,{shutdown,{failed_to_start_child,net_kernel,{'EXIT',nodistribution}}}}},{kernel,start,[normal,[]]}},[{application_master,init,4,[{file,"application_master.erl"},{line,134}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]}
   [<0.12.0>]
   1
   [{'EXIT',<0.14.0>,normal}]
   [<0.12.0>,<0.11.0>]
   []
   true
   running
   376
   27
   214
       initial_call:     pid:     registered_name:     error_info:     ancestors:     message_queue_len:     messages:     links:     dictionary:     trap_exit:     status:     heap_size:     stack_size:     reductions: 2022-10-20 03:59:11 std_info
   kernel
   {{shutdown,{failed_to_start_child,net_sup,{shutdown,{failed_to_start_child,net_kernel,{'EXIT',nodistribution}}}}},{kernel,start,[normal,[]]}}
   permanent
   {"Kernel pid terminated",application_controller,"{application_start_failure,kernel,{{shutdown,{failed_to_start_child,net_sup,{shutdown,{failed_to_start_child,net_kernel,{'EXIT',nodistribution}}}}},{kernel,start,[normal,[]]}}}"}
       application:     exited:     type: Kernel pid terminated (application_controller) ({application_start_failure,kernel,{{shutdown,{failed_to_start_child,net_sup,{shutdown,{failed_to_start_child,net_kernel,{'EXIT',nodistribution}}}}},{ker
   
   Crash dump is being written to: erl_crash.dump...done
   
   **How to reproduce it** (as minimally and precisely as possible):
   Setup a ipv6 only kuberentes cluster
   install any storage backend, we are using openEBS
   and install couchdb on that
   


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[GitHub] [couchdb-helm] ikuradon commented on issue #96: unable to setup couch db on ipv6 only environemnt.

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

ikuradon commented on issue #96:
URL: https://github.com/apache/couchdb-helm/issues/96#issuecomment-1285161646

   same here, and I finally found a solution.
   I don't know why, but CouchDB needs `NODENAME` environment on cluster mode.
   And need append `-proto_dist inet6_tcp` to `ERL_FLAGS` for support IPv6.
   
   This solution may not be right, but it's working for me.
   my fork:
   https://github.com/ikuradon/couchdb-helm/tree/nodename
   and sample config:
   ```
   erlangFlags:
     proto_dist: inet6_tcp
   
   couchdbConfig:
     couchdb:
       uuid: 7c99c0f7c8ef411f8dd74c8ca3476485
     chttpd:
       bind_address: "::"
   ```


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