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Use NixNG for Attic container

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This commit is contained in:
Pim Kunis 2024-10-01 18:46:15 +02:00
parent 1ee319f179
commit e3ff293c0c
5 changed files with 191 additions and 157 deletions
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59
modules/attic-image.nix Normal file
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@ -0,0 +1,59 @@
{ nixpkgs, nglib, ... }:
nglib.makeSystem {
inherit nixpkgs;
system = "x86_64-linux";
name = "nixng-attic";
config = { ... }: {
dumb-init = {
enable = true;
type.services = { };
};
init.services.attic = {
shutdownOnExit = true;
};
services.attic = {
enable = true;
settings = {
# The '+" is to explicitly denote the end of the Vals expression.
# This is done because we quote the template for the toml file.
# See: https://github.com/helmfile/vals?tab=readme-ov-file#expression-syntax
# database.url = "ref+sops://secrets.yml#attic/databaseURL+";
database = { };
storage = {
type = "local";
path = "/var/lib/atticd/storage";
};
listen = "[::]:8080";
# Data chunking
#
# Warning: If you change any of the values here, it will be
# difficult to reuse existing chunks for newly-uploaded NARs
# since the cutpoints will be different. As a result, the
# deduplication ratio will suffer for a while after the change.
chunking = {
# The minimum NAR size to trigger chunking
#
# If 0, chunking is disabled entirely for newly-uploaded NARs.
# If 1, all NARs are chunked.
nar-size-threshold = 64 * 1024; # 64 KiB
# The preferred minimum size of a chunk, in bytes
min-size = 16 * 1024; # 16 KiB
# The preferred average size of a chunk, in bytes
avg-size = 64 * 1024; # 64 KiB
# The preferred maximum size of a chunk, in bytes
max-size = 256 * 1024; # 256 KiB
};
};
};
};
}

267
modules/attic.nix
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@ -1,184 +1,159 @@
{ pkgs, lib, config, globals, ... }: {
{ nixpkgs, pkgs, lib, nixng, config, globals, ... }:
let
atticStream = (import ./attic-image.nix {
inherit nixpkgs nixng globals;
inherit (nixng) nglib;
}).config.system.build.ociImage.stream;
atticImage = pkgs.stdenv.mkDerivation {
name = "attic.tar";
src = atticStream;
dontUnpack = true;
buildPhase = ''
$src > $out
'';
};
in
{
options.attic.enable = lib.mkEnableOption "attic";
config = lib.mkIf config.attic.enable {
kubernetes.resources =
let
atticSettings = {
# The '+" is to explicitly denote the end of the Vals expression.
# This is done because we quote the template for the INI file.
# See: https://github.com/helmfile/vals?tab=readme-ov-file#expression-syntax
database.url = "ref+sops://secrets.yml#attic/databaseURL+";
storage = {
type = "local";
path = "/var/lib/atticd/storage";
};
listen = "[::]:8080";
# Data chunking
#
# Warning: If you change any of the values here, it will be
# difficult to reuse existing chunks for newly-uploaded NARs
# since the cutpoints will be different. As a result, the
# deduplication ratio will suffer for a while after the change.
chunking = {
# The minimum NAR size to trigger chunking
#
# If 0, chunking is disabled entirely for newly-uploaded NARs.
# If 1, all NARs are chunked.
nar-size-threshold = 64 * 1024; # 64 KiB
# The preferred minimum size of a chunk, in bytes
min-size = 16 * 1024; # 16 KiB
# The preferred average size of a chunk, in bytes
avg-size = 64 * 1024; # 64 KiB
# The preferred maximum size of a chunk, in bytes
max-size = 256 * 1024; # 256 KiB
};
kubernetes.resources = {
secrets = {
server.stringData.token = "ref+sops://secrets.yml#attic/jwtToken";
database.stringData = {
password = "ref+sops://secrets.yml#/attic/databasePassword";
url = "ref+sops://secrets.yml#/attic/databaseURL+";
};
generatedConfig = (pkgs.formats.toml { }).generate "attic.toml" atticSettings;
in
{
secrets = {
server.stringData = {
token = "ref+sops://secrets.yml#attic/jwtToken";
config = builtins.readFile generatedConfig;
};
deployments = {
attic.spec = {
selector.matchLabels = {
app = "attic";
component = "website";
};
database.stringData.password = "ref+sops://secrets.yml#/attic/databasePassword";
};
strategy = {
type = "RollingUpdate";
deployments = {
attic.spec = {
selector.matchLabels = {
rollingUpdate = {
maxSurge = 0;
maxUnavailable = 1;
};
};
template = {
metadata.labels = {
app = "attic";
component = "website";
};
strategy = {
type = "RollingUpdate";
spec = {
containers.attic = {
image = "nix:0${atticImage}";
ports.web.containerPort = 8080;
rollingUpdate = {
maxSurge = 0;
maxUnavailable = 1;
};
};
template = {
metadata.labels = {
app = "attic";
component = "website";
};
spec = {
containers.attic = {
image = globals.images.attic;
ports.web.containerPort = 8080;
args = [ "-f" "/etc/atticd/config.toml" ];
env.ATTIC_SERVER_TOKEN_HS256_SECRET_BASE64.valueFrom.secretKeyRef = {
env = {
ATTIC_SERVER_TOKEN_HS256_SECRET_BASE64.valueFrom.secretKeyRef = {
name = "server";
key = "token";
};
volumeMounts = [
{
name = "data";
mountPath = "/var/lib/atticd/storage";
}
{
name = "config";
mountPath = "/etc/atticd/config.toml";
subPath = "config";
}
];
};
volumes = {
data.persistentVolumeClaim.claimName = "data";
config.secret.secretName = "server";
};
securityContext = {
fsGroup = 0;
fsGroupChangePolicy = "OnRootMismatch";
};
};
};
};
attic-db.spec = {
selector.matchLabels = {
app = "attic";
component = "database";
};
template = {
metadata.labels = {
app = "attic";
component = "database";
};
spec = {
containers.postgres = {
image = globals.images.postgres15;
imagePullPolicy = "IfNotPresent";
ports.postgres.containerPort = 5432;
env = {
POSTGRES_DB.value = "attic";
POSTGRES_USER.value = "attic";
PGDATA.value = "/pgdata/data";
POSTGRES_PASSWORD.valueFrom.secretKeyRef = {
name = "database";
key = "password";
};
ATTIC_SERVER_DATABASE_URL.valueFrom.secretKeyRef = {
name = "database";
key = "url";
};
volumeMounts = [{
name = "data";
mountPath = "/pgdata";
}];
};
volumes.data.persistentVolumeClaim.claimName = "database";
volumeMounts = [{
name = "data";
mountPath = "/var/lib/atticd/storage";
}];
};
volumes = {
data.persistentVolumeClaim.claimName = "data";
server.secret.secretName = "server";
};
securityContext = {
fsGroup = 0;
fsGroupChangePolicy = "OnRootMismatch";
};
};
};
};
services = {
attic.spec = {
selector = {
app = "attic";
component = "website";
};
ports.web = {
port = 80;
targetPort = "web";
};
attic-db.spec = {
selector.matchLabels = {
app = "attic";
component = "database";
};
database.spec = {
selector = {
template = {
metadata.labels = {
app = "attic";
component = "database";
};
ports.postgres = {
port = 5432;
targetPort = "postgres";
spec = {
containers.postgres = {
image = globals.images.postgres15;
imagePullPolicy = "IfNotPresent";
ports.postgres.containerPort = 5432;
env = {
POSTGRES_DB.value = "attic";
POSTGRES_USER.value = "attic";
PGDATA.value = "/pgdata/data";
POSTGRES_PASSWORD.valueFrom.secretKeyRef = {
name = "database";
key = "password";
};
};
volumeMounts = [{
name = "data";
mountPath = "/pgdata";
}];
};
volumes.data.persistentVolumeClaim.claimName = "database";
};
};
};
};
services = {
attic.spec = {
selector = {
app = "attic";
component = "website";
};
ports.web = {
port = 80;
targetPort = "web";
};
};
database.spec = {
selector = {
app = "attic";
component = "database";
};
ports.postgres = {
port = 5432;
targetPort = "postgres";
};
};
};
};
lab = {
ingresses.attic = {
host = "attic.kun.is";