chore(ops): move archivist machine to ops and contrib

contrib/ gets the clickhouse patching, the bucket log parsing code and
the awscli setup and shell.

ops/ gets the machine config itself.

Change-Id: If8b8f8cce5ca9c2b4d19e17be9a8b895ac35e84a
Reviewed-on: https://cl.snix.dev/c/snix/+/30163
Autosubmit: Florian Klink <flokli@flokli.de>
Tested-by: besadii
Reviewed-by: Ryan Lahfa <masterancpp@gmail.com>

ops/modules/archivist.nix

@@ -0,0 +1,34 @@
+# Set of unconditional config options applicable to all archivist machines.
+
+{ pkgs, ... }:
+
+{
+  # Start clickhose as a system service.
+  services.clickhouse.enable = true;
+
+  # for ClickHouse
+  # We're keeping this here rather than in the NixOS module, because I suspect
+  # this opens up timing side channels. This is a single-user, single-purpose
+  # machine, so that isn't a concern here.
+  boot.kernel.sysctl."kernel.task_delayacct" = 1;
+
+  # Enable SSH and let edef and flokli in
+  services.openssh.enable = true;
+
+  users.users.root.openssh.authorizedKeys.keys = [
+    "cert-authority ssh-rsa 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 edef"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPTVTXOutUZZjXLB0lUSgeKcSY/8mxKkC0ingGK1whD2 flokli"
+  ];
+
+  # Get a bunch of text editors and CLI tools.
+  environment.systemPackages = [
+    pkgs.awscli
+    pkgs.duckdb
+    pkgs.parquet-tools
+    pkgs.helix
+    pkgs.htop
+    pkgs.kakoune
+    pkgs.kitty.terminfo
+    pkgs.tmux
+  ];
+}