feat:Expoter$$sentinel #2925
feat:Expoter$$sentinel #2925
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WalkthroughThe changes involve modifications to several files, primarily enhancing the dependency installation process in the GitHub Actions workflow for building on Ubuntu. New Kubernetes component definitions for a Pika exporter and Redis Sentinel are added, specifying service configurations and deployment details. Additionally, a new Helm template for Grafana dashboards is introduced, which dynamically generates ConfigMaps based on JSON files. Changes
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (7)
tools/kubeblocks_helm/pika-master-slave-cluster/templates/grafana/configmap-dashboards.yaml (1)
1-19: Consider adding a comment explaining the template's purpose.While the template is well-structured, adding a brief comment at the beginning of the file explaining its purpose and functionality could improve maintainability.
Here's a suggested comment to add at the beginning of the file:
# This template generates a ConfigMapList for Grafana dashboards. # It creates a separate ConfigMap for each JSON file found in the 'dashboards' directory.🧰 Tools
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[error] 1-1: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expter.yaml (2)
36-45: LGTM: Init container is well-configured, consider updating busybox versionThe init container is well-structured and serves the important purpose of ensuring the codis dashboard is available before starting the main container. This is a good practice for maintaining dependencies between services.
Consider updating the busybox image to a more recent version. The current version (1.28) might be outdated. You can check for the latest stable version and update it accordingly. For example:
- image: busybox:1.28 + image: busybox:1.36.1Always verify compatibility with your environment when updating versions.
46-65: LGTM: Main container configuration is comprehensiveThe main container configuration is well-structured and covers all necessary aspects:
- Dynamic references for image and pull policy provide flexibility.
- Port exposure and volume mounting are correctly configured.
- The use of environment variables for configuration is a good practice.
- The command and arguments for running the Pika exporter are appropriately set.
For improved readability, consider grouping related configuration items together. For example, you could move the
envsection right after theportssection:containers: - name: pika-exporter image: {{ include "pikaExporter.image" . }} imagePullPolicy: {{ include "pikaExporter.imagePullPolicy" . }} ports: - name: expoter containerPort: 9121 env: - name: DASHBOARD_ADDR value: "$(KB_CLUSTER_NAME)-codis-dashboard" volumeMounts: - name: config mountPath: /etc/pika command: - "/pika/bin/pika_exporter" args: - "-config" - "/etc/pika/info.toml" - "-codis.addr" - "http://$(DASHBOARD_ADDR):18080/topom"This grouping makes it easier to scan and understand the container's configuration at a glance.
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (2)
36-45: LGTM: Well-implemented init container with a minor suggestionThe init container 'wait-codis-dashboard' is well-implemented:
- It ensures the Codis dashboard is ready before proceeding, which is a good practice.
- The use of netcat for service readiness check is appropriate.
- Pinning the busybox version (1.28) aids in reproducibility.
Consider adding a timeout to the wait loop to prevent infinite waiting in case of issues. For example:
command: - 'sh' - '-c' - - "until nc -z ${DASHBOARD_ADDR} 18080; do echo waiting for codis dashboard; sleep 2; done;" + - "timeout=300; until nc -z ${DASHBOARD_ADDR} 18080 || [ $timeout -le 0 ]; do echo waiting for codis dashboard; sleep 2; ((timeout-=2)); done; if [ $timeout -le 0 ]; then echo 'Timed out waiting for Codis dashboard'; exit 1; fi"This change adds a 5-minute timeout, after which the init container will fail, preventing the pod from hanging indefinitely.
46-65: LGTM: Well-configured main container with a security suggestionThe main 'pika-exporter' container is well-configured:
- Image and pull policy use template functions, providing flexibility.
- Port, volume mounts, and environment variables are clearly defined.
- The command and arguments for the exporter are explicitly set.
Consider adding security context to the container for improved security. For example:
securityContext: runAsNonRoot: true runAsUser: 1000 readOnlyRootFilesystem: trueThis change:
- Ensures the container runs as a non-root user.
- Specifies a user ID to run as.
- Makes the root filesystem read-only, which is a good security practice.
Please verify that these settings are compatible with the pika-exporter's requirements before implementing.
.github/workflows/pika.yml (2)
36-37: Approve changes with a minor suggestionThe changes to the "Install Deps" step are good improvements:
- Adding
sudo apt-get updateensures the package list is up-to-date, which is a best practice.- Consolidating the package installation into a single line simplifies the script.
Consider pinning the version of
clang-tidyto ensure consistency across builds. For example:- sudo apt-get install -y autoconf libprotobuf-dev protobuf-compiler clang-tidy + sudo apt-get install -y autoconf libprotobuf-dev protobuf-compiler clang-tidy=<specific-version>Replace
<specific-version>with the desired version ofclang-tidy.
Line range hint
1-300: Suggestions for overall workflow improvementsWhile reviewing the entire workflow, I noticed a few points that could potentially be improved:
Go version: The workflow uses Go 1.19 across all jobs. Consider updating to a more recent version of Go for potential performance improvements and bug fixes.
Rocky Linux job: It uses gcc-toolset-13, which is good for consistency. However, make sure to periodically review and update this toolset version as needed.
macOS job: It uses gcc@10, which might be outdated. Consider updating to a more recent version of GCC for macOS builds.
Docker build job: The image is built but not pushed (
push: false). If this is intentional, it's fine. However, if you want to publish the image, you might want to add a condition to push on certain events (e.g., on release or merge to main branch).To implement these suggestions:
Update Go version:
- name: Set up Go uses: actions/setup-go@v5 with: go-version: '1.21' # or the latest stable versionFor Rocky Linux and macOS jobs, update the gcc versions as needed.
For the Docker build job, if you want to push the image on certain conditions:
- name: Build and push Docker image uses: docker/build-push-action@v5 with: context: . file: ./ci/Dockerfile push: ${{ github.event_name != 'pull_request' }} tags: ${{ steps.meta.outputs.tags }} labels: ${{ steps.meta.outputs.labels }}This will push the image for non-pull request events (e.g., pushes to main branch).
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📒 Files selected for processing (4)
- .github/workflows/pika.yml (1 hunks)
- tools/kubeblocks_helm/pika-master-slave-cluster/templates/grafana/configmap-dashboards.yaml (1 hunks)
- tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expter.yaml (1 hunks)
- tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (1 hunks)
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tools/kubeblocks_helm/pika-master-slave-cluster/templates/grafana/configmap-dashboards.yaml
[error] 1-1: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expter.yaml
[error] 7-7: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml
[error] 7-7: syntax error: expected the node content, but found '-'
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🔇 Additional comments (12)
tools/kubeblocks_helm/pika-master-slave-cluster/templates/grafana/configmap-dashboards.yaml (7)
1-2: LGTM: Efficient file globbing and conditional check.The template efficiently uses
.Files.Globto find JSON files and checks if any files are found before proceeding. This approach prevents the creation of an empty ConfigMapList.🧰 Tools
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3-5: LGTM: Correct API version and kind for ConfigMapList.The template correctly defines the API version and kind for a ConfigMapList, which is appropriate for creating multiple ConfigMaps in a single template.
6-7: LGTM: Efficient iteration and dashboard name extraction.The template efficiently iterates over the found files and extracts the dashboard name using a regex. This approach allows for flexible file naming while maintaining a consistent ConfigMap naming convention.
8-15: LGTM: Well-structured ConfigMap metadata.The ConfigMap metadata is well-structured with:
- A dynamically generated name that includes the Pika name and dashboard name.
- Appropriate labels for Grafana dashboard identification and app association.
- Inclusion of common Pika labels.
This structure ensures proper identification and management of the ConfigMaps within the Kubernetes cluster.
16-17: LGTM: Correct data inclusion for dashboard JSON.The template correctly includes the dashboard JSON content in the ConfigMap data field. The use of
toJsonensures proper JSON formatting.
1-19: Note: Ignore YAML syntax error from static analysis.The static analysis tool reported a YAML syntax error, but this is a false positive due to the Helm templating syntax. The template is correctly structured and will generate valid YAML when rendered.
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1-19: Overall: Well-implemented Helm template for Grafana dashboards.This template efficiently creates ConfigMaps for Grafana dashboards using Helm's templating features. It demonstrates good practices such as:
- Efficient file globbing and conditional checks.
- Dynamic naming and labeling of resources.
- Proper use of Helm templating functions for string manipulation and JSON formatting.
- Scalable approach to handle multiple dashboard files.
The template will greatly simplify the management of Grafana dashboards in the Kubernetes cluster.
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[error] 1-1: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expter.yaml (3)
1-7: LGTM: Metadata section is well-structuredThe metadata section is correctly defined for a Kubernetes ComponentDefinition. The use of a template function for labels (
{{- include "pika.labels" . | nindent 4 }}) is a good practice for maintaining consistency across resources.Note: The yamllint error on line 7 appears to be a false positive due to the template function. The syntax is correct for Helm templates.
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[error] 7-7: syntax error: expected the node content, but found '-'
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21-35: LGTM: Configs and vars sections are well-structuredThe configuration and variables sections are well-defined:
- The config setup using a template reference allows for flexible configuration management.
- The DASHBOARD_ADDR variable is correctly set up as optional, providing flexibility in deployment scenarios.
- The use of serviceVarRef for DASHBOARD_ADDR enables dynamic service discovery, which is a good practice in Kubernetes environments.
These configurations contribute to the component's adaptability and ease of management.
8-20: LGTM: Spec section is well-defined, consider update strategyThe spec section is well-structured and provides appropriate information for a Pika exporter component. The use of
{{ .Chart.AppVersion }}for the serviceVersion ensures consistency with the chart version.Consider if the Serial update strategy is the most appropriate for this component. Depending on your requirements, you might want to explore other strategies like RollingUpdate for minimal downtime during updates. To verify the current update strategies used in the cluster, you can run:
This will help you ensure consistency with other components in your cluster.
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (2)
21-35: LGTM: Well-structured configs and vars sectionsThe configuration and variables sections are well-defined:
- The use of a template for the 'pika-config' promotes maintainability.
- The 'DASHBOARD_ADDR' variable is flexibly defined, allowing for optional configuration.
This approach provides good flexibility and maintainability for the component definition.
1-65: Overall assessment: Well-structured ComponentDefinition with minor improvements suggestedThis new ComponentDefinition for the Pika exporter is well-structured and follows Kubernetes and Helm best practices. It effectively defines the necessary components for a Pika exporter in a Redis Sentinel service environment.
Key strengths:
- Clear and organized YAML structure
- Effective use of Helm templating for flexibility
- Well-defined services, configs, and runtime specifications
Suggested improvements:
- Fix the YAML syntax error in the labels section
- Correct the typo in the service name ('expoter' to 'exporter')
- Add a timeout to the init container's wait loop
- Consider adding security context to the main container
After addressing these minor issues, the ComponentDefinition will be robust and ready for deployment.
🧰 Tools
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[error] 7-7: syntax error: expected the node content, but found '-'
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| - name: expoter | ||
| spec: | ||
| ports: | ||
| - name: expoter | ||
| port: 9121 | ||
| targetPort: expoter |
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Correct typo in service name
There's a typo in the service name. 'expoter' should be 'exporter'.
Please apply the following changes:
services:
- - name: expoter
+ - name: exporter
spec:
ports:
- - name: expoter
+ - name: exporter
port: 9121
- targetPort: expoter
+ targetPort: exporterThis will ensure consistency and prevent potential issues with service discovery.
📝 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.
| - name: expoter | |
| spec: | |
| ports: | |
| - name: expoter | |
| port: 9121 | |
| targetPort: expoter | |
| - name: exporter | |
| spec: | |
| ports: | |
| - name: exporter | |
| port: 9121 | |
| targetPort: exporter |
| apiVersion: apps.kubeblocks.io/v1alpha1 | ||
| kind: ComponentDefinition | ||
| metadata: | ||
| name: pika-exporter | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| {{- include "pika.labels" . | nindent 4 }} |
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Fix YAML syntax error in labels section
There's a YAML syntax error in the labels section. The indentation seems to be correct, so the error might be due to an extra hyphen before the include statement.
Try removing the hyphen before the include statement:
metadata:
name: pika-exporter
namespace: {{ .Release.Namespace }}
labels:
- {{- include "pika.labels" . | nindent 4 }}
+ {{ include "pika.labels" . | nindent 4 }}This should resolve the YAML syntax error while maintaining the intended functionality.
📝 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.
| apiVersion: apps.kubeblocks.io/v1alpha1 | |
| kind: ComponentDefinition | |
| metadata: | |
| name: pika-exporter | |
| namespace: {{ .Release.Namespace }} | |
| labels: | |
| {{- include "pika.labels" . | nindent 4 }} | |
| apiVersion: apps.kubeblocks.io/v1alpha1 | |
| kind: ComponentDefinition | |
| metadata: | |
| name: pika-exporter | |
| namespace: {{ .Release.Namespace }} | |
| labels: | |
| {{ include "pika.labels" . | nindent 4 }} |
🧰 Tools
🪛 yamllint
[error] 7-7: syntax error: expected the node content, but found '-'
(syntax)
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (1)
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (1)
50-50: Add new line at end of fileTo comply with YAML best practices, please add a new line at the end of the file.
Add an empty line after the last line of the file.
🧰 Tools
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[error] 50-50: no new line character at the end of file
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- tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (1 hunks)
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🪛 yamllint
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml
[warning] 31-31: wrong indentation: expected 0 but found 1
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[error] 7-7: syntax error: expected the node content, but found '-'
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[error] 50-50: no new line character at the end of file
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🔇 Additional comments (3)
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (3)
8-25: Verify the update strategyThe update strategy is set to 'Serial', which means components will be updated one at a time. This approach is cautious but might lead to slower updates.
Please confirm if this is the intended behavior. If faster updates are acceptable, consider using a different strategy like 'RollingUpdate'.
31-50: Verify the use of Pika exporter in Redis Sentinel componentThe container configuration is using a Pika exporter image and command, which seems inconsistent with a Redis Sentinel component.
Please confirm if this is intentional. If not, consider updating the container configuration to use a Redis Sentinel image and appropriate command. You might want to check other Redis Sentinel configurations in your project for reference.
#!/bin/bash # Search for other Redis Sentinel configurations rg --type yaml 'name:\s*redis-sentinel'🧰 Tools
🪛 yamllint
[warning] 31-31: wrong indentation: expected 0 but found 1
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[error] 50-50: no new line character at the end of file
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26-30: Verify the existence of the referenced templateThe configuration references a template named 'pika-conf-template'.
Please ensure that the 'pika-conf-template' exists and is correctly defined elsewhere in the project. You can use the following command to check:
✅ Verification successful
Template 'pika-conf-template' exists
- Defined in
tools/kubeblocks_helm/pika/templates/configmap.yaml🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for the pika-conf-template definition rg --type yaml 'name:\s*pika-conf-template'Length of output: 361
Script:
#!/bin/bash # Corrected search for the pika-conf-template definition in YAML files rg --type yaml "name:\s*pika-conf-template"Length of output: 124
| - name: expoter | ||
| containerPort: 9121 |
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Fix typo in port name
There's still a typo in the port name. 'expoter' should be 'exporter'.
Please apply the following change:
ports:
- - name: expoter
+ - name: exporter
containerPort: 9121This will ensure consistency and prevent potential issues with service discovery.
📝 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.
| - name: expoter | |
| containerPort: 9121 | |
| - name: exporter | |
| containerPort: 9121 |
| metadata: | ||
| name: redis-sentinel | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| {{- include "pika.labels" . | nindent 4 }} |
There was a problem hiding this comment.
Fix YAML syntax error in labels section
There's still a YAML syntax error in the labels section. The hyphen before the include statement should be removed.
Please apply the following change:
metadata:
name: redis-sentinel
namespace: {{ .Release.Namespace }}
labels:
- {{- include "pika.labels" . | nindent 4 }}
+ {{ include "pika.labels" . | nindent 4 }}This will resolve the YAML syntax error while maintaining the intended functionality.
📝 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.
| metadata: | |
| name: redis-sentinel | |
| namespace: {{ .Release.Namespace }} | |
| labels: | |
| {{- include "pika.labels" . | nindent 4 }} | |
| metadata: | |
| name: redis-sentinel | |
| namespace: {{ .Release.Namespace }} | |
| labels: | |
| {{ include "pika.labels" . | nindent 4 }} |
🧰 Tools
🪛 yamllint
[error] 7-7: syntax error: expected the node content, but found '-'
(syntax)
There was a problem hiding this comment.
Actionable comments posted: 4
🧹 Outside diff range and nitpick comments (4)
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (1)
21-21: Add a newline at the end of the fileTo adhere to YAML best practices and prevent potential issues with some tools, please add a newline character at the end of the file.
Apply this change to the end of the file:
cpu: 101m memory: 128Mi +🧰 Tools
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[error] 21-21: no new line character at the end of file
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tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-redis-sentinel.yaml (1)
8-14: LGTM: Basic spec configuration looks goodThe basic specification for the Redis Sentinel component is well-configured:
- Cluster size of 3 provides good fault tolerance.
- Security context is properly set to avoid running as root.
- Redis Sentinel configuration is standard.
Consider adding a comment explaining the choice of user ID 1000, as it might not be immediately clear to all readers why this specific ID was chosen.
tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-pika-exporter.yaml (2)
36-45: LGTM: InitContainer is well-implemented with a minor suggestionThe initContainer "wait-codis-dashboard" is well-defined and serves the important purpose of ensuring the dashboard is ready before starting the main container. The implementation using netcat (nc) is appropriate.
Suggestion for improvement:
Consider adding a timeout mechanism to prevent infinite waiting in case of persistent issues. For example:command: - 'sh' - '-c' - | timeout=300 until nc -z ${DASHBOARD_ADDR} 18080 || [ $timeout -le 0 ]; do echo "waiting for codis dashboard, $timeout seconds left" sleep 2 timeout=$((timeout-2)) done if [ $timeout -le 0 ]; then echo "Timed out waiting for codis dashboard" exit 1 fiThis addition would limit the waiting time to 5 minutes (300 seconds) and exit with an error if the dashboard is not available within that time.
46-65: LGTM: Main container configuration is well-defined with a suggestion for robustnessThe main container "pika-exporter" is correctly configured with all necessary components:
- Image and pull policy using Helm templating
- Correct port exposure
- Appropriate volume mounts
- Necessary environment variables
- Proper command and arguments for running the pika_exporter
Suggestion for improved robustness:
Consider adding resource limits and requests to ensure proper resource allocation and prevent potential resource starvation. For example:resources: limits: cpu: "200m" memory: "256Mi" requests: cpu: "100m" memory: "128Mi"Adjust these values based on the actual resource needs of the pika-exporter.
Additionally, consider adding readiness and liveness probes to ensure the container is healthy and ready to serve traffic:
readinessProbe: httpGet: path: /metrics port: 9121 initialDelaySeconds: 10 periodSeconds: 10 livenessProbe: httpGet: path: /metrics port: 9121 initialDelaySeconds: 15 periodSeconds: 20These additions will enhance the overall reliability and manageability of the pika-exporter container.
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📒 Files selected for processing (4)
- tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-pika-exporter.yaml (1 hunks)
- tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-redis-sentinel.yaml (1 hunks)
- tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expoter.yaml (1 hunks)
- tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (1 hunks)
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tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-pika-exporter.yaml
[error] 7-7: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-redis-sentinel.yaml
[error] 7-7: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expoter.yaml
[error] 6-6: syntax error: expected the node content, but found '-'
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tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml
[error] 21-21: no new line character at the end of file
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🔇 Additional comments (9)
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-pika-expoter.yaml (3)
1-2: LGTM: API version and kind are correctly defined.The API version and kind are appropriately specified for a KubeBlocks ComponentVersion custom resource.
7-12: LGTM: Compatibility rules are well-defined.The compatibility rules are correctly structured and use appropriate Helm templating for version consistency. The component definition name matches the metadata name, which is good practice.
13-18: Verify the image name for the Pika exporter.The releases section is well-structured and uses appropriate Helm templating. However, there's a potential naming inconsistency:
- The image is named "codis-dashboard", but this ComponentVersion is for a Pika exporter.
Please verify if this is the correct image name for the Pika exporter. If it's incorrect, update it to an appropriate name that reflects the Pika exporter component.
Additionally, run the following script to check for any references to "codis-dashboard" in other Pika-related files:
This will help ensure consistency across the Pika-related configurations.
tools/kubeblocks_helm/pika-master-slave/templates/componentversion-redis-sentinel.yaml (2)
1-4: LGTM: Metadata and API version are correctly definedThe API version, kind, and metadata for the Redis Sentinel component are appropriately specified.
5-21: LGTM: Overall structure and security settings are well-definedThe specification for the Redis Sentinel component is well-structured. The cluster size of 3 ensures high availability, and the pod security context follows the principle of least privilege by setting specific user and group IDs.
Consider reviewing resource allocations
The current resource requests and limits (101m CPU, 128Mi memory) seem quite low for a Redis Sentinel instance. Consider reviewing these allocations to ensure they meet the expected performance requirements of your Redis Sentinel setup.
To help determine appropriate resource allocations, you could run a load test on your Redis Sentinel setup and monitor resource usage. Here's a script to check the current resource usage of Redis Sentinel pods in your cluster:
Consider implementing a strategy for image version updates
While using a specific image version (v7.0.7) is good for reproducibility, it may make updates more challenging. Consider implementing a strategy for easier version updates, such as using Helm chart values or environment variables to specify the image version.
Would you like assistance in implementing a more flexible image version management strategy?
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[error] 21-21: no new line character at the end of file
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tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-redis-sentinel.yaml (2)
26-30: LGTM: Config section is well-structuredThe configs section is well-designed:
- Using a template (
pika-conf-template) for the configuration promotes maintainability and reusability.- Dynamic namespace setting via Helm is appropriate for flexible deployments.
- The volume naming is clear and consistent.
31-50:⚠️ Potential issueClarify container configuration for Redis Sentinel
The container configuration has some inconsistencies that need to be addressed:
Image and Exporter: The container seems to be using a Pika exporter image instead of a Redis Sentinel image. This is inconsistent with the component definition for Redis Sentinel.
Command and Arguments: The command and args are set to run a Pika exporter, which is not appropriate for a Redis Sentinel container.
Environment Variables: The
DASHBOARD_ADDRenvironment variable refers to a Codis dashboard, which is not typically used with Redis Sentinel.To resolve these issues:
- Update the image to use a Redis Sentinel image:
image: {{ .Values.redisSentinel.image | default "redis:7.0.7" }}
Remove or update the command and args to be appropriate for Redis Sentinel.
Review and adjust the environment variables to be relevant for Redis Sentinel configuration.
Consider adding appropriate liveness and readiness probes for Redis Sentinel.
Please confirm if this component is intended to be a Redis Sentinel or if it should be a Pika exporter. If it's meant to be a Pika exporter, the component definition and metadata should be updated accordingly.
tools/kubeblocks_helm/pika-master-slave/templates/componentdefinition-pika-exporter.yaml (2)
1-7: LGTM: Metadata section is well-structuredThe metadata section is correctly defined for a Kubernetes ComponentDefinition. The use of Helm templating for the namespace and labels provides flexibility for deployment across different environments.
Note: The yamllint error on line 7 can be safely ignored as it's a false positive due to the Helm templating syntax.
🧰 Tools
🪛 yamllint
[error] 7-7: syntax error: expected the node content, but found '-'
(syntax)
21-35: LGTM: Configs and vars sections are well-definedThe configs and vars sections are correctly structured:
- The config "pika-config" is properly defined with a template reference.
- The DASHBOARD_ADDR variable is well-defined, allowing for optional retrieval of the dashboard address.
The use of
serviceVarReffor inter-component communication is a good practice, providing flexibility and maintainability.
| metadata: | ||
| name: pika-exporter | ||
| labels: | ||
| {{- include "pika.labels" . | nindent 4 }} |
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Fix YAML syntax error in labels section.
There's a YAML syntax error in the labels section. The indentation for the include statement is incorrect.
Please apply the following fix:
metadata:
name: pika-exporter
labels:
- {{- include "pika.labels" . | nindent 4 }}
+ {{- include "pika.labels" . | nindent 4 }}Ensure that the {{- is at the beginning of the line, without any leading spaces.
Committable suggestion was skipped due to low confidence.
🧰 Tools
🪛 yamllint
[error] 6-6: syntax error: expected the node content, but found '-'
(syntax)
| apiVersion: apps.kubeblocks.io/v1alpha1 | ||
| kind: ComponentDefinition | ||
| metadata: | ||
| name: redis-sentinel | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| {{- include "pika.labels" . | nindent 4 }} |
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Fix YAML syntax error in labels section
There's a YAML syntax error in the labels section. The indentation seems to be correct, but the linter is reporting an issue.
To resolve this, try adjusting the Helm template function call. Replace:
labels:
{{- include "pika.labels" . | nindent 4 }}with:
labels: {{- include "pika.labels" . | nindent 4 }}This change puts the template function on the same line as labels:, which might resolve the syntax error while maintaining the correct indentation of the resulting labels.
🧰 Tools
🪛 yamllint
[error] 7-7: syntax error: expected the node content, but found '-'
(syntax)
| kubernetesConfig: | ||
| image: 'quay.io/opstree/redis-sentinel:v7.0.7' | ||
| imagePullPolicy: IfNotPresent | ||
| resources: | ||
| requests: | ||
| cpu: 101m | ||
| memory: 128Mi | ||
| limits: | ||
| cpu: 101m | ||
| memory: 128Mi | ||
| updateStrategy: Serial |
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🛠️ Refactor suggestion
Consider adjusting resource management and update strategy
The Kubernetes configuration is generally well-structured, but there are a few points to consider:
-
Resource Management: The requests and limits are identical (101m CPU, 128Mi memory). While this prevents over-commitment, it might be overly restrictive and could impact scaling.
-
Update Strategy: The 'Serial' update strategy ensures controlled updates but might slow down the update process for larger deployments.
Consider the following adjustments:
- Differentiate resource requests and limits:
resources:
requests:
cpu: 50m
memory: 64Mi
limits:
cpu: 101m
memory: 128Mi- Evaluate if a more parallel update strategy would be beneficial:
updateStrategy: RollingUpdateThese changes could improve resource utilization and update efficiency while maintaining stability.
| spec: | ||
| provider: pika | ||
| description: A pika exporter component definition | ||
| serviceKind: pika-exporter | ||
| serviceVersion: {{ .Chart.AppVersion }} | ||
| services: | ||
| - name: expoter | ||
| spec: | ||
| ports: | ||
| - name: expoter | ||
| port: 9121 | ||
| targetPort: expoter | ||
| updateStrategy: Serial |
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Fix typo in service name
The spec and services section is well-defined, but there's a typo in the service name:
services:
- name: expoter # Should be "exporter"Please correct this typo to ensure consistency and avoid potential issues.
The rest of the section, including the use of Helm templating for serviceVersion and the "Serial" updateStrategy, looks good.
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (1)
tools/kubeblocks_helm/pika-master-slave/config/exporter-info.tpl (1)
1-12: Well-structured exporter configuration, documentation recommended.The exporter configuration is well-structured with a clear separation between enabled and disabled metrics. As this is a new file and likely a template for generating the final configuration, consider adding comments or documentation to explain:
- The purpose of this template file
- How it's used in the deployment process
- Guidelines for customizing the metrics based on specific monitoring needs
This will help future maintainers understand the rationale behind the current configuration and how to modify it if needed.
Would you like assistance in drafting this documentation?
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🔇 Additional comments (2)
tools/kubeblocks_helm/pika-master-slave/config/exporter-info.tpl (2)
10-12: Clarification needed on disabled metrics.The configuration disables
execcount,commandstats, androcksdbmetrics. While this may reduce monitoring overhead, please clarify the reasoning behind disabling these specific metrics. Ensure this aligns with the system's monitoring requirements.Let's check if these metrics are used elsewhere in the project:
#!/bin/bash # Check for usage of disabled metrics in other configuration files rg -i -t yaml -t json "execcount|commandstats|rocksdb" tools/kubeblocks_helm/pika-master-slave/
1-8: Comprehensive metric collection enabled.The configuration enables a wide range of metrics, which is good for thorough monitoring. However, be aware that collecting all these metrics might increase the load on the system and generate a large amount of data.
To ensure these metrics are properly utilized, let's verify if corresponding Grafana dashboards exist:
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