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monolith: enable nix cache over ssh

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Leonardo Eugênio 2025-06-03 01:15:57 -03:00
parent 22dc422b63
commit 868496d2b9
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5 changed files with 138 additions and 52 deletions
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system/gitlab-runner/nix-cache-start Executable file
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#!/bin/sh
echo "nix-cache: Setting up ssh key and host"
STORE_HOST_PUB_KEY="IyBuaXgtY2FjaGUud29wdXMuZGV2OjIyIFNTSC0yLjAtT3BlblNTSF8xMC4wCm5peC1jYWNoZS53b3B1cy5kZXYgc3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSU5VNzFONVF4ZENtTTdOMjVTbk9nNnUrWUxtdjkyem5wZURjeUlEYW1sZEkK"
STORE_URL="ssh://nix-ssh@nix-cache.wopus.dev?trusted=true&compress=true&ssh-key=$NIX_CACHE_SSH_PRIVATE_KEY_PATH&base64-ssh-public-host-key=$STORE_HOST_PUB_KEY"
echo STORE_URL="$STORE_URL"
NIX_EXTRA_CONFIG_FILE=$(mktemp)
cat > "$NIX_EXTRA_CONFIG_FILE" <<EOF
extra-substituters = $STORE_URL
EOF
echo "nix-cache: Adding remote cache as substituter"
export NIX_USER_CONF_FILES="$NIX_EXTRA_CONFIG_FILE:$NIX_USER_CONF_FILES"
echo "nix-cache: Storing existing store items"
OLD_NIX_STORE_CONTENTS_FILE=$(mktemp)
find /nix/store/ -maxdepth 1 > $OLD_NIX_STORE_CONTENTS_FILE