Base manifest files to deploy tempo (#44)

* feat: Create base manifest files to deploy tempo

* fix: disable tenants

Author: pratik705

applications/base/services/observability/kube-prometheus-stack/kustomization.yaml

@@ -2,7 +2,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - "source.yaml"
+  - "../sources/kube-prometheus-stack.yaml"
   - "helmrelease.yaml"
 secretGenerator:
   - name: kube-prometheus-stack-values-base

applications/base/services/observability/loki/helm-values/hardened-values-v6.45.2.yaml

@@ -389,7 +389,7 @@ loki:
       {{- tpl (. | toYaml) $ | nindent 4 }}
     {{- end }}
   # Should authentication be enabled
-  auth_enabled: true
+  auth_enabled: false
   # -- memberlist configuration (overrides embedded default)
   memberlistConfig: {}
   # -- Extra memberlist configuration

applications/base/services/observability/loki/kustomization.yaml

@@ -2,7 +2,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - "source.yaml"
+  - "../sources/grafana.yaml"
   - "helmrelease.yaml"
 secretGenerator:
   - name: loki-values-base

applications/base/services/observability/opentelemetry-kube-stack/helm-values/hardened-values-v0.11.1.yaml

@@ -523,11 +523,15 @@ collectors:
           send_batch_size: 1000
           timeout: 1s
           send_batch_max_size: 1500
+        memory_limiter:
+          # 80% of maximum memory up to 2G
+          limit_mib: 400
+          # 25% of limit up to 2G
+          spike_limit_mib: 100
+          check_interval: 5s
       exporters:
         otlphttp/loki:
           endpoint: http://observability-loki-gateway.observability.svc.cluster.local/otlp
-          headers:
-            X-Scope-OrgID: "default"
           compression: gzip
           timeout: 30s
           retry_on_failure:
@@ -539,18 +543,31 @@ collectors:
             enabled: true
             num_consumers: 10
             queue_size: 2000
-
+        otlp/tempo:
+          endpoint: observability-tempo-distributor.observability.svc.cluster.local:4317
+          tls:
+            insecure: true
+          compression: gzip
+          timeout: 30s
+          retry_on_failure:
+            enabled: true
+            initial_interval: 1s
+            max_interval: 10s
+            max_elapsed_time: 0s
+          sending_queue:
+            enabled: true
+            num_consumers: 10
+            queue_size: 2000
       service:
         pipelines:
           traces:
             receivers:
               - otlp
             processors:
-              - resourcedetection/env
-              - resource/hostname
+              - memory_limiter
               - batch
             exporters:
-              - debug
+              - otlp/tempo
           logs:
             receivers:
               - otlp

applications/base/services/observability/opentelemetry-kube-stack/kustomization.yaml

@@ -2,7 +2,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - "./source.yaml"
+  - "../sources/opentelemetry.yaml"
   - "./helmrelease.yaml"
 
 secretGenerator:

applications/base/services/observability/loki/source.yaml renamed to applications/base/services/observability/sources/grafana.yaml

@@ -0,0 +1,14 @@
+# Tempo – Base Configuration
+
+This directory contains the **base manifests** for deploying [Grafana Tempo](https://grafana.com/oss/tempo/), a horizontally-scalable, distributed tracing backend designed for cloud-native environments.  
+It is designed to be **consumed by cluster repositories** as a remote base, allowing each cluster to apply **custom overrides** as needed.
+
+**About Grafana Tempo:**
+
+- Provides a **highly scalable, cost-effective tracing solution** optimized for collecting and storing distributed traces from Kubernetes clusters and microservices.
+- Deployed in **Distributed mode** with separate read and write paths for high availability and horizontal scaling.
+- Integrates natively with **OpenTelemetry** for trace collection using the OTLP protocol, enabling seamless ingestion without additional agents.
+- Stores trace data in **object storage** instead of databases, reducing operational overhead and storage costs.
+- Persists incoming spans using a **Write-Ahead Log (WAL)** and periodically compacts data into **Parquet blocks** for efficient long-term retention.
+- Supports querying through **TraceQL**, a query language purpose-built for filtering and analyzing trace data.
+- Automatically integrates with **Grafana** for unified visualization of **traces, logs, and metrics**.