feat: add dev-packages

Signed-off-by: kjuulh <contact@kjuulh.io>

dev-packages/files/config.alloy

@@ -0,0 +1,84 @@
+// Sample config for Alloy.
+//
+// For a full configuration reference, see https://grafana.com/docs/dev-packages
+logging {
+  level = "warn"
+}
+
+prometheus.exporter.unix "default" {
+  include_exporter_metrics = true
+  disable_collectors       = ["mdadm"]
+}
+
+prometheus.scrape "default" {
+  targets = array.concat(
+    prometheus.exporter.unix.default.targets,
+    [{
+	  // Self-collect metrics
+      job         = "dev-packages",
+      __address__ = "127.0.0.1:12345",
+      group = "infrastructure",
+    }],
+  )
+
+  forward_to = [
+  // TODO: components to forward metrics to (like prometheus.remote_write or
+  // prometheus.relabel).
+    prometheus.remote_write.default.receiver,
+  ]
+}
+
+prometheus.remote_write "default" {
+  external_labels = {
+    "node" = "{{ node_name }}",
+  }
+
+  endpoint {
+    url = "https://prometheus.i.kjuulh.io/api/v1/write"
+  }
+}
+
+local.file_match "local_files" {
+    path_targets = [{"__path__" = "/var/log/*.log"}]
+    sync_period = "5s"
+}
+
+loki.source.file "log_scrape" {
+  targets    = local.file_match.local_files.targets
+  forward_to = [loki.process.filter_logs.receiver]
+  tail_from_end = true
+}
+
+loki.source.journal "default" {
+  forward_to = [loki.process.filter_logs.receiver]
+}
+
+discovery.docker "linux" {
+  host = "unix:///var/run/docker.sock"
+}
+
+loki.source.docker "default" {
+  host       = "unix:///var/run/docker.sock"
+  targets    = discovery.docker.linux.targets
+  labels     = {"app" = "docker"}
+  forward_to = [loki.write.grafana_loki.receiver]
+}
+
+loki.process "filter_logs" {
+  stage.drop {
+    source = ""
+    expression  = ".*Connection closed by authenticating user root"
+    drop_counter_reason = "noisy"
+  }
+  forward_to = [loki.write.grafana_loki.receiver]
+}
+
+loki.write "grafana_loki" {
+  external_labels = {
+    "node" = "{{ node_name }}",
+  }
+
+  endpoint {
+    url = "https://loki.i.kjuulh.io/loki/api/v1/push"
+  }
+}