chore: allow host backend to come up without deployments (#606)

Author: joaquin-borggio-lc

charts/langsmith/Chart.yaml

@@ -5,5 +5,5 @@ maintainers:
     email: ankush@langchain.dev
 description: Helm chart to deploy the langsmith application and all services it depends on.
 type: application
-version: 0.13.18
+version: 0.13.19
 appVersion: "0.13.20"

charts/langsmith/README.md

@@ -1,6 +1,6 @@
 # langsmith
 
-![Version: 0.13.18](https://img.shields.io/badge/Version-0.13.18-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.13.20](https://img.shields.io/badge/AppVersion-0.13.20-informational?style=flat-square)
+![Version: 0.13.19](https://img.shields.io/badge/Version-0.13.19-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.13.20](https://img.shields.io/badge/AppVersion-0.13.20-informational?style=flat-square)
 
 Helm chart to deploy the langsmith application and all services it depends on.
 
@@ -840,6 +840,7 @@ For information on how to use this chart, up-to-date release notes, and other gu
 | hostBackend.deployment.topologySpreadConstraints | list | `[]` |  |
 | hostBackend.deployment.volumeMounts | list | `[]` |  |
 | hostBackend.deployment.volumes | list | `[]` |  |
+| hostBackend.enabled | bool | `false` | Set to true to deploy the host-backend service. Also deployed when config.deployment.enabled is true. |
 | hostBackend.name | string | `"host-backend"` |  |
 | hostBackend.pdb.annotations | object | `{}` |  |
 | hostBackend.pdb.enabled | bool | `false` |  |

charts/langsmith/templates/host-backend/deployment.yaml

@@ -26,7 +26,7 @@
 {{- include "langsmith.detectDuplicates" $envVars -}}
 {{- $volumes := concat .Values.commonVolumes .Values.hostBackend.deployment.volumes (include "langsmith.tlsVolumes" . | fromYamlArray) -}}
 {{- $volumeMounts := concat .Values.commonVolumeMounts .Values.hostBackend.deployment.volumeMounts (include "langsmith.tlsVolumeMounts" . | fromYamlArray) -}}
-{{- if .Values.config.deployment.enabled }}
+{{- if or .Values.config.deployment.enabled .Values.hostBackend.enabled }}
 {{- if .Values.hostBackend.rollout.enabled }}
 apiVersion: argoproj.io/v1alpha1
 kind: Rollout

charts/langsmith/templates/host-backend/hpa.yaml

@@ -1,4 +1,4 @@
-{{- if and .Values.config.deployment.enabled .Values.hostBackend.autoscaling.hpa.enabled }}
+{{- if and (or .Values.config.deployment.enabled .Values.hostBackend.enabled) .Values.hostBackend.autoscaling.hpa.enabled }}
 apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:

charts/langsmith/templates/host-backend/pdb.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.hostBackend.pdb.enabled }}
+{{- if and (or .Values.config.deployment.enabled .Values.hostBackend.enabled) .Values.hostBackend.pdb.enabled }}
 apiVersion: policy/v1
 kind: PodDisruptionBudget
 metadata:

charts/langsmith/templates/host-backend/rbac.yaml

@@ -1,4 +1,4 @@
-{{- if and .Values.config.deployment.enabled .Values.hostBackend.rbac.create}}
+{{- if and (or .Values.config.deployment.enabled .Values.hostBackend.enabled) .Values.hostBackend.rbac.create}}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:

charts/langsmith/templates/host-backend/scaled-object.yaml

@@ -1,4 +1,4 @@
-{{- if and .Values.config.deployment.enabled .Values.hostBackend.autoscaling.keda.enabled }}
+{{- if and (or .Values.config.deployment.enabled .Values.hostBackend.enabled) .Values.hostBackend.autoscaling.keda.enabled }}
 apiVersion: keda.sh/v1alpha1
 kind: ScaledObject
 metadata:

charts/langsmith/templates/host-backend/service-account.yaml

@@ -1,4 +1,4 @@
-{{- if and .Values.config.deployment.enabled .Values.hostBackend.serviceAccount.create -}}
+{{- if and (or .Values.config.deployment.enabled .Values.hostBackend.enabled) .Values.hostBackend.serviceAccount.create -}}
 apiVersion: v1
 kind: ServiceAccount
 metadata:

charts/langsmith/templates/host-backend/service.yaml

@@ -1,4 +1,4 @@
-{{- if .Values.config.deployment.enabled }}
+{{- if or .Values.config.deployment.enabled .Values.hostBackend.enabled }}
 apiVersion: v1
 kind: Service
 metadata:

charts/langsmith/values.yaml

@@ -992,6 +992,7 @@ frontend:
     automountServiceAccountToken: true
 
 hostBackend:
+  enabled: false
   name: "host-backend"
   containerPort: 1985
   # -- ArgoCD Rollouts configuration. If enabled, will create a Rollout resource instead of a Deployment. See https://argo-rollouts.readthedocs.io/