Coder.com•2y ago

No Coder Logs

Taking this over from general. What I want to do: Monitor Coder Web Logins with fail2ban just to be sure, but I can't find the logs anywhere. System: Debian Bullseye, Coder running as Systemd Service. Nothing else is running on the system despite what's neccessary for coder itself and standard system tools like ssh server. Running

sudo journalctl -u coder -f | grep login

sudo journalctl -u coder -f | grep login

returns nothing. Dropping the -f at least brings up something:

sudo journalctl -u coder | grep login
Dez 23 12:33:03 coder coder[3099]:  coder login https://our.domain.dev

sudo journalctl -u coder | grep login
Dez 23 12:33:03 coder coder[3099]:  coder login https://our.domain.dev

But that is all. I also checked syslog, auth.log and systemctl status of coder, but theres nothing there as well.

15 Replies

kyle•2y ago

The -f will only tail the logs, but removing it should dump all logs from all time for the Coder service.

HannsrOP•2y ago

Yeah it's really weird. Like there is nothing being logged at all by coder.

kyle•2y ago

Oh, seems like that's showing commands you have ran actually... that's super odd.

HannsrOP•2y ago

Yeah I ran both. It was weird already when I set up the new system and had some errors in the coder.env and all it said was "failed to start", no error log at all.

kyle•2y ago

Are you sure it's running with systemd? I'm not sure where else the logs would go.

HannsrOP•2y ago

Yeah, definitely. But I'll double-check tomorrow.

kyle•2y ago

Cool, just let me know!

HannsrOP•2y ago

Just checked, but yeah, running as systemd service:

coder.service - "Coder - Self-hosted developer workspaces on your infra"
     Loaded: loaded (/lib/systemd/system/coder.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2023-01-02 16:42:01 CET; 2 days ago
       Docs: https://coder.com/docs/coder-oss
   Main PID: 534 (coder)
      Tasks: 26 (limit: 38492)
     Memory: 1.0G
        CPU: 13min 28.495s
     CGroup: /system.slice/coder.service
             ├─  534 /usr/bin/coder server
             ├─  601 /home/coder/.config/coderv2/postgres/bin/bin/postgres -D /home/coder/.config/coderv2/postgres/data -p 36497
             ├─  603 postgres: checkpointer
             ├─  604 postgres: background writer
             ├─  605 postgres: walwriter
             ├─  606 postgres: autovacuum launcher
             ├─  607 postgres: stats collector
             ├─  608 postgres: logical replication launcher
             ├─  779 postgres: coder coder ::1(45108) idle
             ├─  816 postgres: coder coder ::1(45116) idle
             ├─  834 postgres: coder coder ::1(45180) idle
             └─90044 postgres: coder coder ::1(34738) idle

coder.service - "Coder - Self-hosted developer workspaces on your infra"
     Loaded: loaded (/lib/systemd/system/coder.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2023-01-02 16:42:01 CET; 2 days ago
       Docs: https://coder.com/docs/coder-oss
   Main PID: 534 (coder)
      Tasks: 26 (limit: 38492)
     Memory: 1.0G
        CPU: 13min 28.495s
     CGroup: /system.slice/coder.service
             ├─  534 /usr/bin/coder server
             ├─  601 /home/coder/.config/coderv2/postgres/bin/bin/postgres -D /home/coder/.config/coderv2/postgres/data -p 36497
             ├─  603 postgres: checkpointer
             ├─  604 postgres: background writer
             ├─  605 postgres: walwriter
             ├─  606 postgres: autovacuum launcher
             ├─  607 postgres: stats collector
             ├─  608 postgres: logical replication launcher
             ├─  779 postgres: coder coder ::1(45108) idle
             ├─  816 postgres: coder coder ::1(45116) idle
             ├─  834 postgres: coder coder ::1(45180) idle
             └─90044 postgres: coder coder ::1(34738) idle

No more Ideas anyone? 😦

maf•2y ago

Does secifying .service help? I.e. sudo journalctl -u coder.service

HannsrOP•2y ago

Same output as without .service I also just tried again to login with wrong credentials, but nothing in the logs, no matter if with/without .serviceadded.

maf•2y ago

Do you have verbose enabled in coder.env? You can add CODER_VERBOSE=true to /etc/coder.d/coder.env and restart the coder service. Then you should see something like this:

2023-01-09 12:28:31.651 [DEBUG]    (coderd)    <./coderd/httpmw/logger.go:63>    Logger.func1.1.1    POST    {"host": "[domain]:7080", "path": "/api/v2/users/login", "proto": "HTTP/1.1", "remote_addr": "192.168.1.76", "took": "106.59659ms", "status_code": 401, "latency_ms": 106, "request_id": "cb73df4f-5097-42c7-8dd1-7715ca08fc62"}

2023-01-09 12:28:31.651 [DEBUG]    (coderd)    <./coderd/httpmw/logger.go:63>    Logger.func1.1.1    POST    {"host": "[domain]:7080", "path": "/api/v2/users/login", "proto": "HTTP/1.1", "remote_addr": "192.168.1.76", "took": "106.59659ms", "status_code": 401, "latency_ms": 106, "request_id": "cb73df4f-5097-42c7-8dd1-7715ca08fc62"}

HannsrOP•2y ago

Ok, adding verbose does work, now I can see login attempts. But having it log everything like that might not be great in the long run. Can I tweak it somehow so logins aren't just available with logging everything?

maf•2y ago

One option would be to modify the code and add a second condition, like:

if sw.Status == http.StatusUnauthorized {
  logLevelFn = httplog.Info
}

if sw.Status == http.StatusUnauthorized {
  logLevelFn = httplog.Info
}

Here: https://github.com/coder/coder/blob/a4ca8ffa651f4b0cd44b1b77d002c21bda877593/coderd/httpmw/logger.go#L56-L58 But other than that, it's not currently possible, I'm afraid. Would you care to open up a feature request on the issue tracker describing what you want to achieve and why?

HannsrOP•2y ago

Oh well, my coding experience is basically none, but I can give it a try. Thanks either way! And sure, I'll do that once I have a few minutes. I'm not entirely sure it is necessary, but having the option to add another security layer can't hurt 🙂 I noticed I'll have to update caddy as well then since it doesn't forward the real IP in the basic setup. Thanks for looking into it!

Codercord•2y ago

Marked the thread as resolved.

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