73 lines
3.1 KiB
Nix
73 lines
3.1 KiB
Nix
# An overlay for custom scripts
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final: prev: {
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# Run a local minikube cluster. minikube config controlled with $MINIKUBE_ARGS
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# Minimum requirements:
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# * User can use Docker
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# * Docker supports BuildKit
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whcluster = final.writeShellScriptBin "whcluster" ''
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set -e
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default_minikube_args="--cpus=10 --memory=10gb --disk-size=200gb --driver=kvm2 -p minikube-$USER"
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export MINIKUBE_ARGS=''${MINIKUBE_ARGS:-$default_minikube_args}
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${final.minikube}/bin/minikube start $MINIKUBE_ARGS
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${final.whinotify}/bin/whinotify
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${final.whkube}/bin/whkube
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'';
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# Change current kubectl context to the wormhole namespace
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whkube = final.writeShellScriptBin "whkube" ''${final.kubectl}/bin/kubectl config set-context --current --namespace=wormhole'';
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# Run tilt on the local cluster. Takes guardian count as argument.
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whtilt = final.writeShellScriptBin "whtilt" ''
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tilt_port=''${1:-10350}
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n_guardians=''${2:-5}
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echo "Starting Tilt with $n_guardians guardians"
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${final.killall}/bin/killall tilt
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${final.tilt}/bin/tilt up --update-mode exec --port $tilt_port -- --num=$n_guardians
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'';
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# increase sysctl value for inotify watch count to sufficient level
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whinotify = final.writeShellScriptBin "whinotify" ''
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${final.minikube}/bin/minikube ssh -p minikube-$USER 'echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p'
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'';
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# one-stop-shop for setting up a cluster on a remote machine and
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# running tilt on it. MINIKUBE_ARGS defaults expect the remote to be
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# beefy.
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#
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# Usage: whremote <remote-machine>
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#
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# Minimum remote machine requirements:
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# * Can run whcluster (see above)
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# * Remote user has a working nix installation (single/multi user)
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#
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# Remote machine nice-to-haves:
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# * You have passwordless/cached session access to the remote -
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# * The remote is more powerful than your local machine. If not, use whcluster + whtilt locally instead.
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whremote = final.writeShellScriptBin "whremote" ''
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set -x
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set -e
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remote_machine=$1
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tilt_port=''${2:-10350}
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# Use Mutagen to watch local repo and sync it with remote_machine's ~/wormhole
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${final.mutagen}/bin/mutagen sync terminate whremote-sync || true
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${final.mutagen}/bin/mutagen sync create -n whremote-sync . $remote_machine:~/wormhole
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${final.mutagen}/bin/mutagen sync flush whremote-sync
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# Use larger cpu-count and memory values on the remote
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export MINIKUBE_ARGS=''${MINIKUBE_ARGS:='--cpus=15 --memory=55g --disk-size=250gb --driver=kvm2 -p minikube-$USER'}
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# Set up/update the remote minikube cluster with whcluster
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ssh $remote_machine \
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". ~/.bash_profile; . ~/.zprofile; . ~/.profile; \
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cd wormhole && \
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nix-shell --option sandbox false --command ' MINIKUBE_ARGS=\"$MINIKUBE_ARGS\" whcluster'"
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# Run tilt using whtilt on the remote and forward its default port to localhost
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ssh -L $tilt_port:127.0.0.1:$tilt_port $remote_machine \
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". ~/.bash_profile; . ~/.zprofile; . ~/.profile; \
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cd wormhole && \
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nix-shell --option sandbox false --command 'whtilt $tilt_port $n_guardians'"
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'';
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}
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