LGTM Stack through helm

.gitignore

@@ -2,3 +2,4 @@
 test*.yaml
 .DS_Store
 .cursor/
+charts/langsmith-observability/charts/*

charts/langsmith-observability/Chart.lock

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+dependencies:
+- name: prometheus-postgres-exporter
+  repository: https://prometheus-community.github.io/helm-charts
+  version: 6.10.2
+- name: prometheus-redis-exporter
+  repository: https://prometheus-community.github.io/helm-charts
+  version: 6.11.0
+- name: prometheus-nginx-exporter
+  repository: https://prometheus-community.github.io/helm-charts
+  version: 1.6.0
+- name: kube-state-metrics
+  repository: https://prometheus-community.github.io/helm-charts
+  version: 5.37.0
+- name: grafana
+  repository: https://grafana.github.io/helm-charts
+  version: 9.2.6
+- name: loki
+  repository: https://grafana.github.io/helm-charts
+  version: 6.30.1
+- name: tempo
+  repository: https://grafana.github.io/helm-charts
+  version: 1.23.1
+digest: sha256:37a0e475faf029162aa4025c48fdb8bfc46f8dbb8d9f6c89e12e132f4d45b3d1
+generated: "2025-06-25T10:33:20.351036-07:00"

charts/langsmith-observability/Chart.yaml

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+apiVersion: v2
+name: langsmith-observability
+maintainers:
+  - name: Romain
+    email: [email protected]
+description: Helm chart to deploy the observability stack for LangSmith.
+type: application
+version: 0.1.0
+appVersion: "0.1.0"
+dependencies:
+  # Prometheus Exporters
+  - name: prometheus-postgres-exporter
+    version: 6.10.2
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: postgres-exporter.enabled
+    alias: postgres-exporter
+  - name: prometheus-redis-exporter
+    version: 6.11.0
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: redis-exporter.enabled
+    alias: redis-exporter
+  - name: prometheus-nginx-exporter
+    version: 1.6.0
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: nginx-exporter.enabled
+    alias: nginx-exporter
+  - name: kube-state-metrics
+    version: 5.37.0
+    repository: https://prometheus-community.github.io/helm-charts
+    condition: kube-state-metrics.enabled
+    alias: kube-state-metrics
+  # LGTM Stack
+  - name: grafana
+    version: 9.2.6
+    repository: https://grafana.github.io/helm-charts
+    condition: grafana.enabled
+  - name: loki
+    version: 6.30.1
+    repository: https://grafana.github.io/helm-charts
+    condition: loki.enabled
+  - name: tempo
+    version: 1.23.1
+    repository: https://grafana.github.io/helm-charts
+    condition: tempo.enabled
+    alias: tempo

charts/langsmith-observability/README.md.gotmpl

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+{{ template "chart.header" . }}
+
+{{ template "chart.versionBadge" . }}{{ template "chart.typeBadge" . }}{{ template "chart.appVersionBadge" . }}
+
+{{ template "chart.description" . }}
+
+{{ template "chart.requirementsSection" . }}
+
+## Documentation
+For information on how to use this chart and how to deploy the full LangSmith Observability stack, please refer to the [documentation](https://docs.smith.langchain.com/self_hosting/observability/observability_stack).
+
+NOTE: For any values in dependencies (Loki, Tempo, etc.), you can update the values as you see fit. Only a small set of
+values are listed in the `values.yaml` and this `README`. Refer to the `values.yaml` files listed next to each dependency header for additional values.
+
+## General parameters
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if not (or (hasPrefix "grafana" .Key) (hasPrefix "kube-state-metrics" .Key) (hasPrefix "loki" .Key) (hasPrefix "mimir" .Key) (hasPrefix "minio" .Key) (hasPrefix "nginx-exporter" .Key) (hasPrefix "otelCollector" .Key) (hasPrefix "postgres-exporter" .Key) (hasPrefix "redis-exporter" .Key) (hasPrefix "tempo" .Key)) }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Grafana
+
+Values for Grafana: `https://github.com/grafana/helm-charts/blob/main/charts/grafana/values.yaml`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "grafana" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Kube State Metrics
+
+Values for Kube State Metrics: `https://github.com/prometheus-community/helm-charts/blob/main/charts/kube-state-metrics/values.yaml`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "kube-state-metrics" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Loki
+
+Values for Loki Single Binary: `https://github.com/grafana/loki/blob/main/production/helm/loki/values.yaml#L1364`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "loki" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Mimir
+
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "mimir" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Nginx Exporter
+
+Values for Nginx Exporter: `https://github.com/prometheus-community/helm-charts/blob/main/charts/prometheus-nginx-exporter/values.yaml`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "nginx-exporter" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## OTEL Collector
+
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "otelCollector" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Postgres Exporter
+
+Values for Postgres Exporter: `https://github.com/prometheus-community/helm-charts/blob/main/charts/prometheus-postgres-exporter/values.yaml`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "postgres-exporter" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Redis Exporter
+
+Values for Redis Exporter: `https://github.com/prometheus-community/helm-charts/blob/main/charts/prometheus-redis-exporter/values.yaml`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "redis-exporter" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
+## Tempo
+
+Values for Tempo: `https://github.com/grafana/helm-charts/blob/main/charts/tempo/values.yaml`
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "tempo" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}