Problem to call loki from other instance in swarm

Grafana Loki
1

Hello I try to monitor docker swarm cluster with grafana + loki + promtail but I have problem : loki only listen on tcp6 protcol.
I have two instances in oracle cloud in the same private network, I’m able to ping each other but port 3100 was unreachable because first instance only listen tcp6 port.

tcp6       0      0 :::3100                 :::*                    LISTEN

To connect node to loki (in master node) I use loki docker plugin with this configuration :

{
    "debug" : true,
    "log-driver": "loki",
    "log-opts": {
        "loki-url": "http://10.0.0.202:3100/loki/api/v1/push",
        "loki-batch-size": "400"
    }
}

Do you have any solutions or maybe another way to monitor the logs of all my containers in docker swarm cluster.

3

Perhaps your default NIC is ipv6? Check your NICs on your host and try using instance_interface_names to force Loki to use IPv4 NIC.

4

This topic was automatically closed 365 days after the last reply. New replies are no longer allowed.