sagittarius: observability hello world

2 files changed, 60 insertions, 0 deletions

diff --git a/hosts/sagittarius/web/default.nix b/hosts/sagittarius/web/default.nix
index 9c64249..9f8ca58 100644
--- a/hosts/sagittarius/web/default.nix
+++ b/hosts/sagittarius/web/default.nix
@@ -7,5 +7,6 @@
     ./git.nix
     ./static.nix
     ./navidrome.nix
+    ./observability.nix
   ];
 }
diff --git a/hosts/sagittarius/web/observability.nix b/hosts/sagittarius/web/observability.nix
new file mode 100644
index 0000000..956245c
--- /dev/null
+++ b/hosts/sagittarius/web/observability.nix
@@ -0,0 +1,59 @@
+{ ... }:
+{
+  services.opentelemetry-collector = {
+    enable = true;
+    settings = {
+      receivers = {
+        otlp = {
+          protocols = {
+            grpc.endpoint = "localhost:4317";
+            http.endpoint = "localhost:4318";
+          };
+        };
+        hostmetrics.scrapers = {
+          cpu = { };
+          disk = { };
+          filesystem = { };
+          load = { };
+          memory = { };
+          network = { };
+          process = { };
+          processes = { };
+          paging = { };
+        };
+      };
+      processors = {
+        memory_limiter = {
+          check_interval = "5s";
+          limit_mib = 2500;
+          spike_limit_mib = 500;
+        };
+      };
+      exporters = {
+        debug = {
+          verbosity = "detailed";
+        };
+      };
+      service = {
+        extensions = [ ];
+        pipelines = {
+          traces = {
+            receivers = [ "otlp" ];
+            exporters = [ "debug" ];
+          };
+          metrics = {
+            receivers = [
+              "otlp"
+              "hostmetrics"
+            ];
+            exporters = [ "debug" ];
+          };
+          logs = {
+            receivers = [ "otlp" ];
+            exporters = [ "debug" ];
+          };
+        };
+      };
+    };
+  };
+}