Feat: add helm chart #831
Feat: add helm chart #831
Conversation
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@wwwy3y3 do you want to take a look? |
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@grieve54706 yeah, currently checking. We had some discussions on discord. |
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do you need any more information ? i have retry but without success i need more log to investigate futher |
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i have updated the branch |
WalkthroughThis pull request introduces a comprehensive Helm chart configuration for a multi-component application named "wren". The deployment includes templates for various Kubernetes resources such as Deployments, Services, Ingress, ConfigMaps, Secrets, and PersistentVolumeClaims. The chart supports configurable deployments for API, frontend, engine, and server components, with flexible settings for image repositories, ports, scaling, and environment configurations. The implementation provides a robust and customizable deployment strategy for a complex application architecture. Changes
Sequence DiagramsequenceDiagram
participant Helm as Helm Chart
participant K8s as Kubernetes Cluster
participant DB as PostgreSQL
Helm->>K8s: Deploy ServiceAccount
Helm->>K8s: Create Secrets
Helm->>K8s: Create ConfigMaps
Helm->>DB: Configure PostgreSQL Dependency
Helm->>K8s: Deploy Deployments
Helm->>K8s: Create Services
Helm->>K8s: Configure Ingress
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Actionable comments posted: 25
🧹 Nitpick comments (19)
deployment/helm/values/home/app.env (2)
1-4: Be cautious about storing potential secrets in environment variables.Although the variables here appear non-sensitive, ensure that any sensitive information (such as API keys or credentials) is moved out of plain-text environment variables and stored securely (e.g., in Kubernetes secrets).
25-30: Review telemetry settings.Make sure you’re in compliance with internal and/or external privacy policies and that collecting telemetry data is permissible for this environment or organization.
deployment/helm/templates/_helpers.tpl (1)
8-24: EvaluatefullnameOverrideusage.This template logic defers to
.Values.fullnameOverridewhen available. If that field isn’t carefully set, it might cause naming collisions or confusion across different environments.deployment/helm/values/home/values.yaml (1)
1-5: Consider enhancing naming flexibility and environment clarity.The current configuration could be improved in two ways:
- Instead of hardcoding
fullnameOverride, consider using a template that includes the environment, making it more flexible across different deployments.- The environment value "home" is ambiguous and might need clarification.
Consider this structure:
-fullnameOverride: wren +namePrefix: wren +environment: production # or staging, dev, etc. instead of "home" +fullnameOverride: "{{ .Values.namePrefix }}-{{ .Values.environment }}" commonLabels: - env: home + env: {{ .Values.environment }} service: wrendeployment/helm/templates/service-frontend.yaml (3)
14-16: Fix selector indentation for consistencyThe selector indentation uses 4 spaces while the rest of the file uses 2 spaces. This should be consistent throughout the template.
selector: - app: wren-frontend - release: {{ .Release.Name }} + app: wren-frontend + release: {{ .Release.Name }}
7-11: Enhance service discovery with additional metadata labelsConsider adding recommended Kubernetes labels for better service discovery and management. The current labels are minimal.
labels: app: wren-frontend release: {{ .Release.Name }} chart: "{{ .Chart.Name }}-{{ .Chart.Version }}" heritage: "{{ .Release.Service }}" + app.kubernetes.io/name: {{ include "application.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} + app.kubernetes.io/component: frontend
8-8: Use template helper for app label valueThe app label value "wren-frontend" is hardcoded. Consider using a template helper for consistency and maintainability.
- app: wren-frontend + app: {{ include "application.name" . }}-frontenddeployment/helm/templates/service-engine.yaml (1)
17-25: Improve port naming and add port documentationThe port names could be more descriptive, and it would be helpful to document the purpose of each port in comments.
ports: - name: {{ .Values.service.engine.name }} targetPort: {{ .Values.service.engine.targetPort }} port: {{ .Values.service.engine.port }} protocol: TCP + # Add documentation about the purpose of enginebase port - name: {{ .Values.service.enginebase.name }} targetPort: {{ .Values.service.enginebase.targetPort }} port: {{ .Values.service.enginebase.port }} protocol: TCPAlso, consider adding validation for the service type:
{{- if not (has .Values.service.engine.type (list "ClusterIP" "NodePort" "LoadBalancer")) }} {{- fail "service.engine.type must be one of: ClusterIP, NodePort, LoadBalancer" }} {{- end }}deployment/helm/templates/secrets.yaml (1)
1-19: Implement additional security measures for secret managementConsider implementing these security enhancements:
- Add validation for minimum secret length
- Add support for external secret management systems
- Consider using sealed secrets for GitOps workflows
Would you like me to provide implementation examples for any of these security enhancements?
🧰 Tools
🪛 yamllint (1.35.1)
[error] 2-2: syntax error: expected '', but found '{'
(syntax)
deployment/helm/templates/ingress.yaml (2)
33-33: Consider using Prefix path type for better compatibilityThe default
pathType: ImplementationSpecificmight lead to inconsistent behavior across different ingress controllers. Consider usingPrefixas the default pathType, which is more widely supported.- pathType: {{ default .pathType "ImplementationSpecific" }} + pathType: {{ default .pathType "Prefix" }}
8-11: Add recommended security annotationsConsider adding common security annotations for ingress controllers. This helps in securing the ingress endpoints.
annotations: {{- toYaml . | nindent 4 }} + # Common security headers + nginx.ingress.kubernetes.io/ssl-redirect: "true" + nginx.ingress.kubernetes.io/force-ssl-redirect: "true" + nginx.ingress.kubernetes.io/proxy-body-size: "10m" + nginx.ingress.kubernetes.io/proxy-buffer-size: "128k"deployment/helm/templates/configmaps.yaml (1)
10-12: Document hook weight significanceThe hook weight of "-3" should be documented to explain its significance in the deployment sequence.
annotations: helm.sh/hook: pre-install, pre-upgrade + # Weight -3 ensures ConfigMaps are created before other resources helm.sh/hook-weight: "-3"deployment/helm/templates/deployment-server.yaml (2)
84-86: Consider adding topology spread constraintsFor better high availability, consider adding topology spread constraints to ensure pods are distributed across nodes.
{{- with .Values.nodeSelector }} nodeSelector: {{- toYaml . | nindent 8 }} {{- end }} + {{- with .Values.topologySpreadConstraints }} + topologySpreadConstraints: + - maxSkew: 1 + topologyKey: kubernetes.io/hostname + whenUnsatisfiable: DoNotSchedule + labelSelector: + matchLabels: + app: wren-server + {{- end }}
58-83: Remove trailing spacesRemove trailing spaces on lines 58 and 83 for better code cleanliness.
🧰 Tools
🪛 yamllint (1.35.1)
[error] 58-58: trailing spaces
(trailing-spaces)
[error] 83-83: trailing spaces
(trailing-spaces)
deployment/helm/templates/deployment-engine.yaml (2)
49-51: Enforce resource limitsResource limits should be mandatory for all components to ensure proper resource allocation and prevent resource exhaustion.
Add validation in the templates to ensure resource limits are set:
{{- with .Values.resources.api }} resources: {{- toYaml . | nindent 12 }} {{- end }} + {{- if not .Values.resources.api }} + {{- fail "Resource limits must be set for the API component" }} + {{- end }}
84-90: Add pod anti-affinity rulesConsider adding pod anti-affinity rules to ensure high availability by preventing multiple pods of the same component from running on the same node.
{{- with .Values.nodeSelector }} nodeSelector: {{- toYaml . | nindent 8 }} {{- end }} + affinity: + podAntiAffinity: + preferredDuringSchedulingIgnoredDuringExecution: + - weight: 100 + podAffinityTerm: + labelSelector: + matchExpressions: + - key: app + operator: In + values: + - wren-api # Update for each component + topologyKey: kubernetes.io/hostnamedeployment/helm/values.yaml (3)
17-19: Make image versions configurable.Consider making the image versions more flexible by moving them to a centralized version control section. This would make version management and updates easier.
Example structure:
versions: api: 0.3.7 frontend: 0.5.6 engine: 0.4.4 server: 0.5.0 application: api: image: repository: ghcr.io/canner/wren-ai-service tag: {{ .Values.versions.api }}Also applies to: 31-33, 68-70, 85-87
102-108: Make storage configuration more flexible.Consider making the storage configuration more customizable:
- Storage class should be configurable to support different environments
- Volume size should be parameterized
Example:
persistentVolumesClaims: - name: wren-data size: {{ .Values.storage.size | default "10Gi" }} accessModes: - ReadWriteOnce storageClassName: {{ .Values.storage.className | default "longhorn" }}
191-206: Improve secrets and ConfigMaps configuration.Consider:
- Making file paths configurable to support different environments
- Adding validation for required files
- Documenting the expected file structure and format
Example:
secrets: dotenv: - name: wren path: {{ .Values.config.secretsPath }}/secrets.env required: true - name: wren-postgresql path: {{ .Values.config.secretsPath }}/postgres.env required: true
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
⛔ Files ignored due to path filters (1)
deployment/helm/Chart.lockis excluded by!**/*.lock
📒 Files selected for processing (20)
deployment/helm/Chart.yaml(1 hunks)deployment/helm/templates/_helpers.tpl(1 hunks)deployment/helm/templates/configmaps.yaml(1 hunks)deployment/helm/templates/deployment-api.yaml(1 hunks)deployment/helm/templates/deployment-engine.yaml(1 hunks)deployment/helm/templates/deployment-frontend.yaml(1 hunks)deployment/helm/templates/deployment-server.yaml(1 hunks)deployment/helm/templates/ingress.yaml(1 hunks)deployment/helm/templates/pvc.yaml(1 hunks)deployment/helm/templates/secrets.yaml(1 hunks)deployment/helm/templates/service-api.yaml(1 hunks)deployment/helm/templates/service-engine.yaml(1 hunks)deployment/helm/templates/service-frontend.yaml(1 hunks)deployment/helm/templates/service-server.yaml(1 hunks)deployment/helm/templates/serviceaccount.yaml(1 hunks)deployment/helm/values.yaml(1 hunks)deployment/helm/values/home/app.env(1 hunks)deployment/helm/values/home/secrets/postgres.env(1 hunks)deployment/helm/values/home/secrets/secrets.env(1 hunks)deployment/helm/values/home/values.yaml(1 hunks)
✅ Files skipped from review due to trivial changes (3)
- deployment/helm/values/home/secrets/postgres.env
- deployment/helm/Chart.yaml
- deployment/helm/values/home/secrets/secrets.env
🧰 Additional context used
🪛 yamllint (1.35.1)
deployment/helm/templates/serviceaccount.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/configmaps.yaml
[error] 2-2: syntax error: expected '', but found '{'
(syntax)
deployment/helm/templates/secrets.yaml
[error] 2-2: syntax error: expected '', but found '{'
(syntax)
deployment/helm/templates/service-server.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/service-engine.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/pvc.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/service-frontend.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/ingress.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/service-api.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/deployment-server.yaml
[warning] 23-23: wrong indentation: expected 6 but found 8
(indentation)
[warning] 24-24: wrong indentation: expected 6 but found 8
(indentation)
[warning] 25-25: wrong indentation: expected 6 but found 8
(indentation)
[warning] 26-26: wrong indentation: expected 6 but found 8
(indentation)
[error] 58-58: trailing spaces
(trailing-spaces)
[error] 83-83: trailing spaces
(trailing-spaces)
[error] 5-5: syntax error: expected , but found ''
(syntax)
deployment/helm/templates/deployment-frontend.yaml
[warning] 23-23: wrong indentation: expected 6 but found 8
(indentation)
[warning] 24-24: wrong indentation: expected 6 but found 8
(indentation)
[warning] 25-25: wrong indentation: expected 6 but found 8
(indentation)
[warning] 26-26: wrong indentation: expected 6 but found 8
(indentation)
[error] 58-58: trailing spaces
(trailing-spaces)
[error] 83-83: trailing spaces
(trailing-spaces)
[error] 5-5: syntax error: expected , but found ''
(syntax)
deployment/helm/templates/deployment-engine.yaml
[warning] 23-23: wrong indentation: expected 6 but found 8
(indentation)
[warning] 24-24: wrong indentation: expected 6 but found 8
(indentation)
[warning] 25-25: wrong indentation: expected 6 but found 8
(indentation)
[warning] 26-26: wrong indentation: expected 6 but found 8
(indentation)
[error] 5-5: syntax error: expected , but found ''
(syntax)
deployment/helm/templates/deployment-api.yaml
[warning] 23-23: wrong indentation: expected 6 but found 8
(indentation)
[warning] 24-24: wrong indentation: expected 6 but found 8
(indentation)
[warning] 25-25: wrong indentation: expected 6 but found 8
(indentation)
[warning] 26-26: wrong indentation: expected 6 but found 8
(indentation)
[error] 44-44: trailing spaces
(trailing-spaces)
[error] 60-60: trailing spaces
(trailing-spaces)
[error] 85-85: trailing spaces
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[error] 5-5: syntax error: expected , but found ''
(syntax)
🔇 Additional comments (10)
deployment/helm/values/home/app.env (4)
5-11: Confirm correctness of endpoints and ports.
Double-check that the endpoints, ports, and versions correspond to the correct services and are properly reachable within the cluster’s network.
12-18: Validate the OpenAI integration.
Given that these environment variables define an LLM provider, confirm that the correct endpoints, API keys, and usage limits are configured.
19-24: Ensure Qdrant and other third-party services are deployed or accessible.
You are referencing a Qdrant instance (qdrant.mlops.svc.cluster.local) and other services like langfuse.mlops.svc.cluster.local. Verify they are installed and properly configured in the cluster.
31-38: Confirm database and logging configuration.
The environment variables for PostgreSQL (DB_TYPE=pg, WREN_UI_DB_TYPE=pg) and the IBIS_SERVER_ENDPOINT setting look straightforward, but ensure the DB is accessible, and the logging level is set appropriately for production.
deployment/helm/templates/_helpers.tpl (4)
1-7: Names could exceed DNS limits if chart or release names are quite long.
Though you already truncate to 63 characters, confirm that extra metadata (like suffixes) does not inadvertently push the name beyond the limit.
25-31: Chart version clarity.
The function replaces + with _ in the version string. This is a good practice to avoid invalid DNS characters. Just confirm that the resulting string remains consistent with how your release pipelines track semantic versions.
32-47: Labels design is solid.
You’re including a standardized set of labels (chart, version, etc.). This helps with resource identification and traceability in Kubernetes.
48-54: Selector labels for consistent grouping.
These labels ensure your deployments and services can be correctly matched. Good job keeping them consistent with the rest of the chart.
deployment/helm/templates/serviceaccount.yaml (1)
1-17: Validate syntax and indentation.
Similar to the PVC template, double-check that the conditional block (if .Values.serviceAccount.create) plus the resource definition do not cause YAML parsing issues.
🧰 Tools
🪛 yamllint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
deployment/helm/templates/deployment-engine.yaml (1)
85-87: Verify volume configuration
The engine deployment includes volume mounts, but we need to ensure that corresponding PersistentVolumeClaims are properly defined.
✅ Verification successful
Volume configuration is properly defined and aligned
The volume configuration is correctly set up with proper alignment between PVCs, volumes, and volume mounts:
- PVC template is properly defined with dynamic name, storage class, and access modes
- A PVC named "wren-data" is configured with:
- 10Gi storage
- ReadWriteOnce access mode
- Longhorn storage class
- The corresponding volume mount is properly configured to use this PVC
- Volume mounts are correctly referenced in the deployment template
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for PVC definitions in the Helm chart
echo "Checking for PVC definitions..."
fd -e yaml -e tpl . deployment/helm/templates -x grep -l "kind: PersistentVolumeClaim" {} \;
# Check volume mount configurations in values.yaml
echo "Checking volume configurations in values.yaml..."
fd values.yaml deployment/helm -x grep -A 5 "volumes:" {} \;
Length of output: 498
Script:
#!/bin/bash
# Check the PVC template content
echo "Checking PVC template content..."
cat deployment/helm/templates/pvc.yaml
# Check the deployment template for volume mounts
echo -e "\nChecking volume mounts in deployment..."
grep -A 10 "volumeMounts:" deployment/helm/templates/deployment-engine.yaml || true
# Check if there are any other deployments using the same PVC
echo -e "\nChecking other deployments using PVC..."
rg "claimName: wren-data" deployment/helm/templates/
Length of output: 1241
Script:
#!/bin/bash
# Check the values.yaml for PVC configurations
echo "Checking PVC configurations in values.yaml..."
fd values.yaml deployment/helm -x grep -A 10 "persistentVolumesClaims:" {} \;
# Check volumeMounts configuration in values.yaml
echo -e "\nChecking volumeMounts configuration..."
fd values.yaml deployment/helm -x grep -A 10 "volumeMounts:" {} \;
Length of output: 981
| {{- range .Values.persistentVolumesClaims }} | ||
| --- | ||
| apiVersion: v1 | ||
| kind: PersistentVolumeClaim | ||
| metadata: | ||
| name: {{ .name }} | ||
| labels: | ||
| {{- include "application.labels" $ | nindent 4 }} | ||
| spec: | ||
| accessModes: | ||
| {{- toYaml .accessModes | nindent 4 }} | ||
| storageClassName: {{ .storageClassName }} | ||
| resources: | ||
| requests: | ||
| storage: {{ .size }} | ||
| {{- end }} |
There was a problem hiding this comment.
Address potential yamllint parsing issue.
yamllint flagged a syntax error involving line 1-1. Sometimes adding {{- end }} right before the triple-dash or reformatting the --- boundary can help. Example fix:
-{{- range .Values.persistentVolumesClaims }}
---
+{{- range .Values.persistentVolumesClaims }}
+---Ensure that the final YAML output is valid and that tooling like yamllint and Helm lint pass without error.
Committable suggestion skipped: line range outside the PR's diff.
🧰 Tools
🪛 yamllint (1.35.1)
[error] 1-1: syntax error: expected the node content, but found '-'
(syntax)
| serviceAccount: | ||
| create: true | ||
| name: wren | ||
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🛠️ Refactor suggestion
Enhance ServiceAccount security configuration.
While the basic configuration is correct, consider adding these security-focused configurations:
- automountServiceAccountToken
- annotations for IAM roles (if using cloud providers)
- RBAC rules definition
Add these security-focused configurations:
serviceAccount:
create: true
name: wren
automountServiceAccountToken: false # Disable token mount if not needed
annotations: {} # Add cloud provider specific IAM role annotations if needed
# Example for AWS:
# annotations:
# eks.amazonaws.com/role-arn: arn:aws:iam::ACCOUNT_ID:role/ROLE_NAME| resources: | ||
| frontend: | ||
| limits: | ||
| memory: 256Mi | ||
| cpu: 200m | ||
| requests: | ||
| memory: 128Mi | ||
| cpu: 100m | ||
| api: | ||
| limits: | ||
| memory: 512Mi | ||
| cpu: 1000m | ||
| # nvidia.com/gpu: "1" | ||
| requests: | ||
| memory: 128Mi | ||
| cpu: 300m | ||
| # nvidia.com/gpu: "1" | ||
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🛠️ Refactor suggestion
Complete resource configurations for all components.
Current resource configurations:
✅ Frontend and API components have appropriate resource limits
❌ Missing configurations for engine and server components
❓ GPU configuration is commented out - needs clarification
- Add resource configurations for missing components:
resources:
engine:
limits:
memory: 512Mi
cpu: 500m
requests:
memory: 256Mi
cpu: 200m
server:
limits:
memory: 512Mi
cpu: 500m
requests:
memory: 256Mi
cpu: 200m- Please clarify if GPU support is needed. If yes, uncomment and configure the GPU resources appropriately.
| credentials: | ||
| name: registry-credentials | ||
| type: kubernetes.io/dockerconfigjson | ||
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💡 Codebase verification
Registry credentials configuration needs attention
The current configuration in values.yaml defines registry credentials, but there seems to be a missing template for creating the actual Secret resource with type kubernetes.io/dockerconfigjson. Additionally, none of the deployment templates are configured to use these credentials via imagePullSecrets.
Key issues that need attention:
- Missing template for creating the registry credentials Secret
- Deployments are not configured to use the registry credentials for pulling images
- All deployments use
ghcr.ioimages which typically require authentication
🔗 Analysis chain
LGTM! Standard registry credentials configuration.
The credentials configuration follows Kubernetes best practices for private registry authentication.
Run this script to verify the secret creation in the cluster:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify if the registry credentials secret can be created with the specified type
ast-grep --pattern 'kind: Secret
metadata:
name: $name
type: kubernetes.io/dockerconfigjson'
Length of output: 96
Script:
#!/bin/bash
# Search for Secret definitions in yaml files
rg -U "kind:\s+Secret.*?type:\s+kubernetes.io/dockerconfigjson" -t yaml --multiline
Length of output: 85
Script:
#!/bin/bash
# Find all yaml files that might contain registry credentials configuration
fd -e yaml -e yml | xargs rg -l "registry.*credentials"
Length of output: 125
Script:
#!/bin/bash
# Look for any template files that might be generating secrets
fd -e yaml -e yml -e tpl | xargs rg -l "kubernetes.io/dockerconfigjson"
Length of output: 139
Script:
#!/bin/bash
# Let's check the content of both files to understand the registry credentials configuration
cat deployment/helm/values.yaml deployment/helm/values/home/values.yaml
Length of output: 5149
Script:
#!/bin/bash
# Look for any secret templates in the helm charts
fd -e yaml -e tpl -p "templates" | xargs rg -l "Secret"
Length of output: 333
Script:
#!/bin/bash
# Let's check the secret templates to see how the registry credentials are used
cat deployment/helm/templates/secrets.yaml
Length of output: 1073
Script:
#!/bin/bash
# Check deployments to see if they reference the registry credentials
cat deployment/helm/templates/deployment-*.yaml
Length of output: 14011
| selector: | ||
| app: wren-api | ||
| release: {{ .Release.Name }} |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Fix selector indentation and align with labels.
The selector indentation is incorrect and should match the labels.
selector:
- app: wren-api
- release: {{ .Release.Name }}
+ app.kubernetes.io/name: {{ include "common.name" . }}
+ app.kubernetes.io/instance: {{ .Release.Name }}
+ app.kubernetes.io/component: api📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| selector: | |
| app: wren-api | |
| release: {{ .Release.Name }} | |
| selector: | |
| app.kubernetes.io/name: {{ include "common.name" . }} | |
| app.kubernetes.io/instance: {{ .Release.Name }} | |
| app.kubernetes.io/component: api |
| ingress: | ||
| enabled: true | ||
| className: traefik | ||
| annotations: | ||
| cert-manager.io/cluster-issuer: letsencrypt-cloudflare | ||
| hosts: | ||
| - host: wren-ai.dc-tech.work | ||
| paths: | ||
| - path: / | ||
| pathType: Prefix | ||
| tls: | ||
| - secretName: wren-tls | ||
| hosts: | ||
| - wren-ai.dc-tech.work | ||
|
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🛠️ Refactor suggestion
Make ingress configuration environment-agnostic.
The current ingress configuration has environment-specific values hardcoded:
- Domain name is hardcoded to "wren-ai.dc-tech.work"
- TLS configuration is tied to specific providers
Consider parameterizing these values to support different environments.
Example:
ingress:
enabled: true
className: {{ .Values.ingress.className | default "traefik" }}
annotations: {{ .Values.ingress.annotations | default dict }}
hosts:
- host: {{ .Values.ingress.domain }}
paths:
- path: /
pathType: Prefix
tls:
- secretName: {{ .Values.ingress.tlsSecret }}
hosts:
- {{ .Values.ingress.domain }}| livenessProbe: {} | ||
| # httpGet: | ||
| # scheme: HTTP | ||
| # path: / | ||
| # port: 80 | ||
| # initialDelaySeconds: 5 | ||
| # periodSeconds: 10 | ||
| # timeoutSeconds: 1 | ||
| # successThreshold: 1 | ||
| # failureThreshold: 3 | ||
|
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||
| readinessProbe: {} | ||
| # httpGet: | ||
| # scheme: HTTP | ||
| # path: / | ||
| # port: 80 | ||
| # initialDelaySeconds: 5 | ||
| # periodSeconds: 10 | ||
| # timeoutSeconds: 1 | ||
| # successThreshold: 1 | ||
| # failureThreshold: 3 | ||
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🛠️ Refactor suggestion
Define health check probes for reliability.
The liveness and readiness probes are currently not configured. Consider adding appropriate health checks for each component to ensure reliable operation and proper container lifecycle management.
Example for API component:
livenessProbe:
httpGet:
path: /health
port: api
initialDelaySeconds: 30
periodSeconds: 10
readinessProbe:
httpGet:
path: /ready
port: api
initialDelaySeconds: 5
periodSeconds: 10| resources: | ||
| frontend: {} | ||
| api: {} | ||
| engine: {} | ||
| server: {} | ||
| # limits: | ||
| # memory: 800Mi | ||
| # requests: | ||
| # cpu: 500m | ||
| # memory: 256Mi | ||
|
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There was a problem hiding this comment.
Define resource constraints for all components.
Resource limits and requests are not defined for any component. This could lead to resource contention and unpredictable behavior in production.
Consider adding appropriate resource constraints for each component:
resources:
frontend:
limits:
cpu: 1
memory: 512Mi
requests:
cpu: 200m
memory: 256Mi
api:
limits:
cpu: 1
memory: 1Gi
requests:
cpu: 500m
memory: 512Mi| postgresql: | ||
| enabled: true | ||
| auth: | ||
| database: admin_ui | ||
| username: wren | ||
| password: wren | ||
| secretKeys: | ||
| adminPasswordKey: postgres-password | ||
| existingSecret: wren-postgresql |
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Improve database credential management.
The PostgreSQL configuration contains hardcoded credentials. While the password is managed through a secret, consider:
- Moving all credential configuration to secrets
- Using more secure methods for credential management (e.g., external secrets operators)
- Making database name configurable for different environments
Example:
postgresql:
enabled: true
auth:
database: {{ .Values.postgresql.database }}
existingSecret: {{ .Values.postgresql.secretName }}
secretKeys:
adminPasswordKey: postgres-password| engine: | ||
| initContainers: | ||
| - name: bootstrap | ||
| image: ghcr.io/canner/wren-bootstrap:0.1.4 | ||
| env: | ||
| - name: DATA_PATH | ||
| valueFrom: | ||
| configMapKeyRef: | ||
| name: wren | ||
| key: WREN_ENGINE_DATA_PATH | ||
| - name: PG_PASSWORD | ||
| valueFrom: | ||
| secretKeyRef: | ||
| name: wren-postgresql | ||
| key: postgres-password | ||
| - name: PG_USERNAME | ||
| valueFrom: | ||
| secretKeyRef: | ||
| name: wren | ||
| key: PG_USERNAME | ||
| volumeMounts: | ||
| - name: wren-data | ||
| mountPath: /app/data | ||
| command: ["/bin/sh", "/app/init.sh"] | ||
| replicas: 1 | ||
| image: | ||
| repository: ghcr.io/canner/wren-engine | ||
| tag: 0.4.4 | ||
| pullPolicy: IfNotPresent | ||
| ports: | ||
| - name: engine | ||
| containerPort: 8080 | ||
| protocol: TCP | ||
| - name: engine-base | ||
| containerPort: 7432 | ||
| protocol: TCP | ||
| containerName: engine | ||
| command: [] | ||
| args: [] | ||
|
|
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💡 Codebase verification
Security hardening required for engine's init container
Based on the verification of the Helm charts, the security concerns are valid as there are no security contexts defined for the init container or any other security-related configurations present. The current setup:
- Lacks any security context configurations (no
runAsUser,runAsNonRoot, etc.) - Uses basic Kubernetes secrets for database credentials without additional security measures
- Has no pod security policies or advanced secret management solutions in place
- Provides unrestricted access to the data volume
Required changes:
- Add security context to the bootstrap init container as suggested in the review
- Consider using external secret management solutions for database credentials
- Implement proper volume permissions and access controls
- Define resource limits for the init container (similar to those defined in home/values.yaml for other components)
🔗 Analysis chain
Review security considerations in engine's init container.
The init container configuration exposes several security considerations:
- Sensitive environment variables (PG_PASSWORD, PG_USERNAME) are referenced directly
- The init container has write access to the data volume
- No security context or run-as-user is defined
Consider:
- Using a more secure method for handling database credentials
- Implementing proper security contexts
- Following the principle of least privilege
Example security context:
initContainers:
- name: bootstrap
securityContext:
runAsNonRoot: true
runAsUser: 1000
readOnlyRootFilesystem: trueLet me gather more information about the security configurations in the Helm charts.
Let me check the additional values files and look for any existing security configurations.
🏁 Scripts executed
The following scripts were executed for the analysis:
Error: No shell scripts found
Script:
#!/bin/bash
# Check for any security context configurations in Helm charts
rg -A 5 "securityContext:" deployment/helm/
# Look for any other init container configurations
rg -A 10 "initContainers:" deployment/helm/
# Check for any existing security-related configurations
rg "runAs|fsGroup|capabilities|privileged" deployment/helm/
# Check if there are any other values files that might contain security configurations
fd "values" deployment/helm/
Length of output: 5838
Script:
#!/bin/bash
# Check contents of other values files
cat deployment/helm/values/home/values.yaml
# Look for any pod security policy configurations
rg -i "podsecurity|psp" deployment/helm/
# Check for any secret management configurations
rg -i "vault|secretmanagement|keyvault" deployment/helm/
# Look for any existing security configurations in the bootstrap image
rg -A 5 "ghcr.io/canner/wren-bootstrap" deployment/helm/
Length of output: 1004
Provide Helm chart to install on kubernetes
Summary by CodeRabbit
New Features
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Chores