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feat: caching support

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TECHNOFAB 2024-03-17 15:44:22 +00:00
parent 426d89702a
commit 3a05d7a128
5 changed files with 103 additions and 50 deletions
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99
flake.nix
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@ -24,16 +24,15 @@
system,
inputs',
...
}: {
}: rec {
formatter = pkgs.alejandra;
devenv.shells = {
default = {
packages = [pkgs.dive pkgs.skopeo];
devenv.shells.default = {
containers = pkgs.lib.mkForce {};
packages = with pkgs; [dive skopeo];
pre-commit = {
hooks = {
alejandra.enable = true;
};
pre-commit = {
hooks = {
alejandra.enable = true;
};
};
};
@ -68,23 +67,75 @@
};
};
packages = {
image = pkgs.dockerTools.buildImage {
name = "nix-gitlab-ci";
fromImage = pkgs.dockerTools.pullImage {
imageName = "nixpkgs/nix-flakes";
imageDigest = "sha256:d88e521662cb6bf9cef006b79ed6ed1069e297171f3c2585f2b898b30f7c045c";
sha256 = "1pcbgxz9c98mfqrzyi14h568dw8vxj1kbgirnwl6vs8wfaamjaaf";
finalImageName = "nixpkgs/nix-flakes";
finalImageTag = "latest";
packages = let
setupScript = extra_setup:
pkgs.writeShellScriptBin "setup_nix_ci" ''
echo -e "\\e[0Ksection_start:`date +%s`:nix_setup[collapsed=true]\\r\\e[0KSetting up Nix CI"
nix path-info --all > /tmp/nix-store-before
${extra_setup}
export NIX_CONF="
extra-trusted-public-keys = $NIX_PUBLIC_KEYS \n
extra-trusted-substituters = $NIX_SUBSTITUTERS \n
extra-substituters = $NIX_SUBSTITUTERS \n
$NIX_EXTRA_CONF
"
echo -e "\\e[0Ksection_end:`date +%s`:nix_setup\\r\\e[0K"
echo -e "\\e[0Ksection_start:`date +%s`:nix_deps[collapsed=true]\\r\\e[0KFetching deps for job"
nix build .#gitlab-ci-job-deps:$1
source $(readlink -f result)
echo -e "\\e[0Ksection_end:`date +%s`:nix_deps\\r\\e[0K"
'';
finalizeScript = push_command:
pkgs.writeShellScriptBin "finalize_nix_ci" ''
echo -e "\\e[0Ksection_start:`date +%s`:cache_push[collapsed=true]\\r\\e[0KPushing new store paths to cache"
nix path-info --all > /tmp/nix-store-after
${pkgs.diffutils}/bin/diff --new-line-format="%L" \
--old-line-format="" --unchanged-line-format="" \
/tmp/nix-store-before /tmp/nix-store-after | ${push_command}
echo -e "\\e[0Ksection_end:`date +%s`:cache_push\\r\\e[0K"
'';
mkImage = extraPackages:
pkgs.dockerTools.buildImage {
name = "nix-gitlab-ci";
fromImage = pkgs.dockerTools.pullImage {
imageName = "nixpkgs/nix-flakes";
imageDigest = "sha256:d88e521662cb6bf9cef006b79ed6ed1069e297171f3c2585f2b898b30f7c045c";
sha256 = "1pcbgxz9c98mfqrzyi14h568dw8vxj1kbgirnwl6vs8wfaamjaaf";
finalImageName = "nixpkgs/nix-flakes";
finalImageTag = "latest";
};
copyToRoot = pkgs.buildEnv {
name = "image-root";
paths = [pkgs.gitMinimal] ++ extraPackages;
pathsToLink = ["/bin"];
};
};
copyToRoot = pkgs.buildEnv {
name = "image-root";
paths = [pkgs.gitMinimal pkgs.cachix inputs'.attic.packages.attic-client];
pathsToLink = ["/bin"];
};
};
in {
image = mkImage [
(setupScript ''
echo "No caching configured, to enable caching use the respective container image tag"
'')
(finalizeScript ''${pkgs.busybox}/bin/wc -l | { read count; echo "No caching configured, not uploading $count new store entries..."; }'')
];
image-cachix = mkImage [
(setupScript ''
echo "Configuring caching with cachix..."
${pkgs.cachix}/bin/cachix use $CACHIX_CACHE || true
'')
(finalizeScript "${pkgs.cachix}/bin/cachix push $CACHIX_CACHE || true")
];
image-attic = mkImage [
(setupScript ''
echo "Configuring caching with attic..."
${inputs'.attic.packages.attic-client}/bin/attic login --set-default ci "$ATTIC_SERVER" "$ATTIC_TOKEN" || true
${inputs'.attic.packages.attic-client}/bin/attic use "$ATTIC_CACHE" || true
'')
(finalizeScript "${inputs'.attic.packages.attic-client}/bin/attic push ci:$ATTIC_CACHE || true")
];
};
checks = packages;
};
};
@ -99,7 +150,7 @@
inputs.pre-commit-hooks.follows = "pre-commit-hooks";
};
pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
attic.url = "github:zhaofengli/attic";
attic.url = "gitlab:TECHNOFAB/attic";
};
nixConfig = {