.github/workflows/build-machines-and-homes.yml

@@ -7,15 +7,12 @@ env:
   ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN }}
   NIX_CONFIG: |
     show-trace = true
+    extra-substituters = https://cdn.cy7.sh/main
+    extra-trusted-public-keys = main:Ku31HoEWcBtfggge2VGj+QTkVrQuIwRIMGyfV/5VQP0=
     experimental-features = nix-command flakes
     accept-flake-config = true
     system-features = nixos-test benchmark big-parallel kvm
-    secret-key-files = /home/runner/cache-priv-key.pem
-    extra-substituters = https://nixcache.cy7.sh
-    extra-trusted-public-keys = nixcache.cy7.sh:DN3d1dt0wnXfTH03oVmTee4KgmdNdB0NY3SuzA8Fwx8=
   TERM: ansi
-  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-  AWS_SECRET_ACCESS_KEY: ${{ secrets. AWS_SECRET_ACCESS_KEY }}
 jobs:
   build-machines:
     strategy:
@@ -39,14 +36,16 @@ jobs:
           remove-codeql: 'true'
           remove-docker-images: 'true'
           build-mount-path: /nix
-      - name: setup binary cache key
-        run: echo "${{ secrets.NIX_CACHE_SECRET_KEY }}" >> /home/runner/cache-priv-key.pem
       - name: Install Nix
         uses: cachix/install-nix-action@v30
       - name: Sync repository
         uses: actions/checkout@v4
         with:
           persist-credentials: false
+      - name: setup attic
+        run: |
+          nix profile install github:zhaofengli/attic
+          attic login cy7 https://cache.cy7.sh "$ATTIC_TOKEN"
       - name: build
         run: |
           package=".#nixosConfigurations."${{ matrix.machine }}".config.system.build.toplevel"
@@ -54,7 +53,10 @@ jobs:
       - name: cache
         if: always()
         run: |
-          nix copy ".#nixosConfigurations."${{ matrix.machine }}".config.system.build.toplevel" --to "s3://nixcache?endpoint=s3.cy7.sh&secret-key=/home/runner/cache-priv-key.pem"
+          package=".#nixosConfigurations."${{ matrix.machine }}".config.system.build.toplevel"
+          derivation="$(nix path-info --derivation "$package")"
+          cache="$(nix-store --query --requisites --include-outputs "$derivation")"
+          xargs attic push main <<< "$cache"
   build-homes:
     strategy:
       fail-fast: false
@@ -78,14 +80,16 @@ jobs:
           remove-codeql: 'true'
           remove-docker-images: 'true'
           build-mount-path: /nix
-      - name: setup binary cache key
-        run: echo "${{ secrets.NIX_CACHE_SECRET_KEY }}" >> /home/runner/cache-priv-key.pem
       - name: Install Nix
         uses: cachix/install-nix-action@v30
       - name: Sync repository
         uses: actions/checkout@v4
         with:
           persist-credentials: false
+      - name: setup attic
+        run: |
+          nix profile install github:zhaofengli/attic
+          attic login cy7 https://cache.cy7.sh "$ATTIC_TOKEN"
       - name: build
         run: |
           package=".#homeConfigurations."${{ matrix.home }}".activationPackage"
@@ -93,4 +97,7 @@ jobs:
       - name: cache
         if: always()
         run: |
-          nix copy ".#homeConfigurations."${{ matrix.home }}".activationPackage" --to "s3://nixcache?endpoint=s3.cy7.sh&secret-key=/home/runner/cache-priv-key.pem"
+          package=".#homeConfigurations."${{ matrix.home }}".activationPackage"
+          derivation="$(nix path-info --derivation "$package")"
+          cache="$(nix-store --query --requisites --include-outputs "$derivation")"
+          xargs attic push main <<< "$cache"

.github/workflows/build-packages.yml

@@ -10,11 +10,10 @@ env:
   ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN }}
   NIX_CONFIG: |
     show-trace = true
+    extra-substituters = https://cdn.cy7.sh/main
+    extra-trusted-public-keys = main:Ku31HoEWcBtfggge2VGj+QTkVrQuIwRIMGyfV/5VQP0=
     experimental-features = nix-command flakes
     accept-flake-config = true
-    secret-key-files = /home/runner/cache-priv-key.pem
-    extra-substituters = https://nixcache.cy7.sh
-    extra-trusted-public-keys = nixcache.cy7.sh:DN3d1dt0wnXfTH03oVmTee4KgmdNdB0NY3SuzA8Fwx8=
   TERM: ansi
 jobs:
   build-packages:
@@ -30,19 +29,23 @@ jobs:
           - macos-13
     runs-on: ${{ matrix.os }}
     steps:
-      - name: setup binary cache key
-        run: echo "${{ secrets.NIX_CACHE_SECRET_KEY }}" >> /home/runner/cache-priv-key.pem
       - name: Install Nix
         uses: cachix/install-nix-action@v30
       - name: Sync repository
         uses: actions/checkout@v4
         with:
           persist-credentials: false
+      - name: setup attic
+        run: |
+          nix profile install github:zhaofengli/attic
+          attic login cy7 https://cache.cy7.sh "$ATTIC_TOKEN"
       - run: nix build -L ${{ matrix.package }}
       - name: cache result
         if: always()
         run: |
-          nix copy "${{ matrix.machine }}" --to "s3://nixcache?endpoint=s3.cy7.sh&secret-key=/home/runner/cache-priv-key.pem"
+          derivation="$(nix path-info --derivation "${{ matrix.package }}")"
+          cache="$(nix-store --query --requisites --include-outputs "$derivation")"
+          xargs attic push main <<< "$cache"
       - name: prepare tarball to upload
         run: nix run github:nixos/nixpkgs#gnutar hcvf result.tar result
       - name: upload result

.sops.yaml

@@ -123,8 +123,3 @@ creation_rules:
       - age:
           - *chunk
           - *cy
-  - path_regex: secrets/cache-priv-key.pem
-    key_groups:
-      - age:
-          - *yt
-          - *cy

flake.nix

@@ -111,11 +111,11 @@
   nixConfig = {
     extra-substituters = [
       "https://nix-community.cachix.org"
-      "https://nixcache.cy7.sh"
+      "https://cdn.cy7.sh/main"
     ];
     extra-trusted-public-keys = [
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-      "nixcache.cy7.sh:DN3d1dt0wnXfTH03oVmTee4KgmdNdB0NY3SuzA8Fwx8="
+      "main:Ku31HoEWcBtfggge2VGj+QTkVrQuIwRIMGyfV/5VQP0="
     ];
   };
 

hosts/chunk/garage.nix

@@ -10,11 +10,6 @@
         api_bind_addr = "[::]:3900";
         root_domain = "s3.cy7.sh";
       };
-      s3_web = {
-        bind_addr = "[::]:3902";
-        root_domain = ".web.cy7.sh";
-        add_host_to_metrics = true;
-      };
       admin.api_bind_addr = "[::]:3903";
       rpc_bind_addr = "[::]:3901";
       replication_factor = 1;
@@ -38,12 +33,5 @@
       import common
       reverse_proxy localhost:3903
     '';
-    "*.web.cy7.sh" = {
-      serverAliases = [ "nixcache.cy7.sh" ];
-      extraConfig = ''
-        import common
-        reverse_proxy localhost:3902
-      '';
-    };
   };
 }

hosts/chunk/rclone.nix

@@ -14,22 +14,20 @@ let
         --config ${config.sops.secrets."rclone/config".path} \
         --allow-other \
         --cache-dir /var/cache/rclone \
-        --transfers 16 \
+        --transfers 32 \
         --vfs-cache-mode full \
         --vfs-cache-min-free-space 5G \
         --dir-cache-time 30d \
         --no-checksum \
         --no-modtime \
         --vfs-fast-fingerprint \
-        --vfs-read-chunk-size 16M \
+        --vfs-read-chunk-size 4M \
-        --vfs-read-chunk-streams 16 \
+        --vfs-read-chunk-streams 32 \
         --sftp-concurrency 128 \
         --sftp-chunk-size 255k \
-        --buffer-size 0 \
         ${remote} ${mount}
     '';
     ExecStop = "${lib.getExe' pkgs.fuse "fusermount"} -zu ${mount}";
-    OOMScoreAdjust = -1000;
   };
 in
 {

hosts/common.nix

@@ -11,11 +11,11 @@
       ];
       trusted-public-keys = [
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-        "nixcache.cy7.sh:DN3d1dt0wnXfTH03oVmTee4KgmdNdB0NY3SuzA8Fwx8="
+        "main:Ku31HoEWcBtfggge2VGj+QTkVrQuIwRIMGyfV/5VQP0="
       ];
       extra-substituters = [
         "https://nix-community.cachix.org"
-        "https://nixcache.cy7.sh"
+        "https://cdn.cy7.sh/main"
       ];
     };
     channel.enable = false;

secrets/cache-priv-key.pem

@@ -1,24 +0,0 @@
-{
-	"data": "ENC[AES256_GCM,data:IVRg3IqrlV1Cy3xwyVszhUnRzbWP3OSb/XZF1H0N30eKL8d0DxFGngC5qMgRcmSs203/QL3w0fENp1u0f8tVajqJVlzLjlsiQrMdtXmiMv0LKO7E+aj4UZ0wMchB0XgSVUWrKUXxZrA=,iv:3GtA07yuAAI++RsLSwY3U62k1iG9+hvkGn45HjFt/Gk=,tag:PJ13CrjcE06KMC383txqHw==,type:str]",
-	"sops": {
-		"kms": null,
-		"gcp_kms": null,
-		"azure_kv": null,
-		"hc_vault": null,
-		"age": [
-			{
-				"recipient": "age1sy0at69err83qyml2vqu8xvwjccfws447aaadfvacj2qluw3p45s2mtrw8",
-				"enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBVdkxBV3NSL1NDRjhPanpZ\nWTQwUmJmTExNOG0xZ1l1M2ZUSlFaTWdzS2hvCkdNT0dmK3FhcC85RE1mQmN1Uncw\nU1A4Znk1Vnk3RmY1UWdBY21VdnRZdWMKLS0tIHhTYUVUeTZsYkJFWk5LdnNDWlc5\ndDFDMUN2RmN0MDNXclpEMFA5Z0F5M0kKsLgc2D73RPNdTo4q7hBPGcBVPGwY73g+\nqQZbkVVzKPHo814ivwIVFYv+i5Qvf+p985Rko/fQ98GxW0G5c9Qfkg==\n-----END AGE ENCRYPTED FILE-----\n"
-			},
-			{
-				"recipient": "age10h6pg5qdpc4t0rpmksfv788a57f04n83zgqaezkjjn65nkhv547s0vxfdn",
-				"enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBuZ3B4czExQVZxNUJGNk1X\nbE9Md1Z6blM1S2xhb3VLT0JWbUpjSkxxS1U0Cm41bmt5Rk9LVTJFbVRFT2xxM01i\nTGUyYVU2RWdzRUhBVmNsTzJZWmh6cFUKLS0tIFlXVHQrcTVvbnptRitQVkVXRHBJ\nTjIxVXFvRmRQbUFHRXFjbFIva1IxVG8KciKyUdNjec7ocuKVX8KflMVPKpf/tEVr\nTxudivOoQ0XaqyPVi3cWDpuk2IAWUuJDxjmEctE6JgPtQvs1GsKCdg==\n-----END AGE ENCRYPTED FILE-----\n"
-			}
-		],
-		"lastmodified": "2025-03-27T20:37:28Z",
-		"mac": "ENC[AES256_GCM,data:35iUoodcjvIn+VAE20f2sHFaTh3+aqCYQ4HalWdVz4eUSkVNcdXs2uqOZtFv3MszDiH9izM84OyHwykudJ99QE3B/NwpfIoKQaU6Qg5X/g/rC1meffMaZwcASVbepjznahbTKmJqeSrMeybrBIV+6FaSjWXn0+D72GEEM1vgH9c=,iv:N2CbttHJsczm37qdapOCrlNeSSgsZBDlvWyvUpa3mkk=,tag:btniVwaVS9h4jDo4IM2wcA==,type:str]",
-		"pgp": null,
-		"unencrypted_suffix": "_unencrypted",
-		"version": "3.9.4"
-	}
-}