TODO.md

TODO

2020-11-12

• look into tcp_syncookies/possible SYN flooding log message
  • https://stackoverflow.com/questions/4174688/what-does-possible-syn-flooding-on-port-8009-sending-cookies-mean-in-var-log
• tee errors to stdout/log file as well as the GCP logger

2020-11-05

• see about turning off unattended-upgrade when preemptible server runs up
• bin Ubuntu for Debian

2021-01-19

• figure out container volume settings: https://docs.docker.com/compose/compose-file/compose-file-v3/
• troubleshoot Prometheus
  • https://prometheus.io/docs/prometheus/latest/installation/#using-docker
  • https://prometheus.io/docs/guides/cadvisor/
  • make sure Prometheus is running as the nobody user per the Dockerfile

Finish documenting/testing/implementing the New Project Bootstrap journey

Ship GCE goppuku log out to BigQuery/Spanner/whatever

Run some basic analysis of /played.

Make a dashboard for science pack production in Grafana

WIP; see:

• my notes on Notion

  • Graftorio addon building/troubleshooting guide:

    1. consider setting this flag

    2. export CLOUDSDK before running any other scripts

    3. For both Docker (Factorio) & Docker Compose (Graftorio) use yq to set restart=no

       yq eval --inplace '(.services.*.restart = "no") | (.services.*.restart style="double")' ./docker-compose.yml

• grafana.json

• scripts/grafana-setup.sh

• This thread

• And this video

Try out AWS z1d EC2 (4.0 GHz)

Factorio leans quite heavily on a single thread. Some calculations can be handled on a second thread, but single-highest core speed is key, and Google Cloud instances top out at around 3.2~3.6 GHz.

Write a proper service definition for goppuku

• systemd Services
• Writing a systemd Service in Python
• Use systemd to Start a Linux Service at Boot
• How to configure systemd to start a service automatically after a crash in Linux

systemctl/systemd is preferred over init/init.d and SysVInit

• https://askubuntu.com/questions/911525/difference-between-systemctl-init-d-and-service

Wire all of the logs up to Stackdriver including Docker

Further reading:

• Google Cloud Logging driver
• Docker Logging
• About the Logging agent

Make DNS change in roll-vm.sh optional

Not every user will have purchased a domain to use in such a way.

Make mod management more dynamic

Currently hard-coded to Graftorio and that's about it. This looks pretty good!

• Move from afex/graftorio to https://github.com/TheVirtualCrew/graftorio

Define VM service account with Terraform

factorio-server@${PROJECT_ID}.iam.gserviceaccount.com won't exist by default in a new GCP project.

Los Angeles DC doesn't have N2 machine type, but it does have E2

Only update DNS if old vs new IP has changed

Leverage Spot VMs on Google Cloud

• https://cloud.google.com/compute/docs/instances/spot