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default swarm.attic domain and cache to the swarm's own cache on every host

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atlas 2026-10-27 19:00:59 +01:00 • committed by mara
commit 606817a994
1 changed files with 80 additions and 57 deletions
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40
nix/module-eval/builder.nix
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@ -45,6 +45,7 @@ let
deploy.bao.enable = true;
deploy.builder.enable = true;
swarm.attic.domain = "cache.example.org";
swarm.attic.cache = null;
};
refusedHalfCache =
m:
@ -67,13 +68,23 @@ let
svc = inner.systemd.services.swarm-builder;
env = svc.environment;
hasOnPath = name: s: lib.any (p: lib.getName p == name) s.path;
# A builder with no cache named anywhere.
# A builder that opts out of pushing: both options null.
withBuilderNoCache = hive {
deploy.bao.enable = true;
deploy.builder.enable = true;
swarm.attic.domain = null;
swarm.attic.cache = null;
};
withoutCache = withBuilderNoCache.containers.swarm-builder.config.systemd.services.swarm-builder;
# A builder on a host that doesn't run the cache and names nothing.
builderDefaults = hive {
deploy.bao.enable = true;
deploy.builder.enable = true;
};
defaultsEnv =
builderDefaults.containers.swarm-builder.config.systemd.services.swarm-builder.environment;
# Hosting the shared services runs the swarm's own cache, which names itself.
atticHere = servicesHere;
atticDeploy = atticHere.services.hyperhive.deploy.attic;
@ -83,7 +94,7 @@ let
atticTokens = atticHere.systemd.services.swarm-bao-attic-tokens;
atticVhost = atticHere.services.hyperhive.gateway.vhosts."attic.t.local";
# The cache switched on while the operator names the options by hand.
# The cache switched on while the operator overrides the options.
atticByHand = hive {
deploy.bao.enable = true;
deploy.attic.enable = true;
@ -310,10 +321,10 @@ let
}
{
# The switch is on wherever the shared services are and the host holds the
# cache's leaf, and the two options every host reads come from the cache.
# The builder on the same host pushes to it. `bare` is the control that the
# lookup reads null where nothing runs a cache.
name = "hosting the shared services runs the swarm's cache and fills the cache options, which the builder follows";
# cache's leaf.
# The builder on the same host pushes to it. `bare` is the control that no
# cache renders where nothing enables it.
name = "hosting the shared services runs the swarm's cache, and the builder pushes to it";
ok =
atticDeploy.enable
&& atticHere.containers ? swarm-attic
@ -327,10 +338,23 @@ let
&&
atticHere.containers.swarm-builder.config.systemd.services.swarm-builder.environment.SWARM_BUILDER_ATTIC_CACHE
== "swarm"
&& (atticSwarm bare).domain == null
&& (atticSwarm bare).cache == null
&& !(hasAtticHost bare);
}
{
# The options default to the swarm's own cache on every host, so a
# builder host that runs no cache pushes to it. `atticHere` is the control
# that the cache host reads the same values.
name = "a builder host that doesn't run the cache pushes to the swarm's own by default";
ok =
!(hasAtticHost builderDefaults)
&& (atticSwarm builderDefaults).domain == "attic.t.local"
&& (atticSwarm builderDefaults).cache == "swarm"
&& (atticSwarm bare).domain == (atticSwarm atticHere).domain
&& (atticSwarm bare).cache == (atticSwarm atticHere).cache
&& defaultsEnv.SWARM_BUILDER_ATTIC_DOMAIN == "attic.t.local"
&& defaultsEnv.SWARM_BUILDER_ATTIC_CACHE == "swarm"
&& !(builderDefaults.systemd.services ? swarm-bao-attic-tokens);
}
{
# Names the operator gives win over the cache's own, and the gateway then
# serves the cache under the operator's name. `atticHere` is the control