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custom-cloud-gaming

Terraform

How to run the terraform file:

First set up your credentials, see: https://www.terraform.io/docs/providers/aws/index.html#environment-variables

From the terraform directory...

terraform init  # first time only
terraform plan
terraform apply

To delete

terraform destroy

TMUX

To connect:

sudo su - minecraft
tmux list-sessions
tmux attach-session -t minecraft

To say things:

/say Warning: server shutdown imminent

To detach:

Ctrl-B D

To view logs:

  • Note: minecraft.service uses minecraft tag, and screen uses systemd-cat
journalctl -t minecraft
systemctl status minecraft

tee explained:

<cmd> 2>&1 | tee /dev/tty | systemd-cat -t minecraft

  • 2>&1 redirects stderr to stdout

  • tee /dev/tty copies stdout to tty (tmux detached window)

  • systemd-cat -t minecraft cats stdin to journalctl, tagging with "minecraft"

s3 backup

Quick way:

sudo su - minecraft
export PYTHONPATH=/home/minecraft && /home/minecraft/jmc/minecraft/push_server_backup.py --role-arn arn:aws:iam::482283577367:role/CcgMinecraftAssumedRole --server-folder /home/minecraft/minecraft_server --s3-bucket ccg-minecraft-worlds --s3-object zach_server.tar.gz 2>&1 | systemd-cat -t minecraft

to gain permission, need to run the following on s3:

aws sts assume-role --role-arn arn:aws:iam::482283577367:role/CcgMinecraftAssumedRole --role-session-name assumed-s3
export AWS_SECRET_ACCESS_KEY=...
export AWS_ACCESS_KEY_ID=...
export AWS_SESSION_TOKEN=...
aws s3 cp s3://ccg-minecraft-worlds/zach_server.tar.gz zach_server.tar.gz

to check cron (logs will be sent to journalctl):

crontab -l