kubesphere/whizard-notification
Use when working with WizTelemetry Notification extension for KubeSphere, including installation, configuration, troubleshooting, notification channel setup, alert routing, and silence management.
npx skills add https://github.com/kubesphere/kubesphere --skill whizard-notification
WizTelemetry Notification is the notification component of the KubeSphere observability platform. It receives alerts, cloud events, and audit logs in a multi-tenant Kubernetes environment and distributes notifications to different channels based on tenant labels (e.g., namespace).
┌──────────────────────────────────────────────────────────────────────────────┐
│ Alertmanager │
│ Prometheus ──▶ metrics alert ──▶ notification-manager-svc:19093 │
│ K8s Events ──▶ events alert ──▶ notification-manager-svc:19093 │
│ Auditing ──▶ auditing alert ──▶ notification-manager-svc:19093 │
│ Logging ──▶ logging alert ──▶ notification-manager-svc:19093 │
└──────────────────────────────────────────────────────────────────────────────┘
│
notification-manager (:19093)
│
┌──────────────────────────┼──────────────────────────┐
│ │ │
[Silence Stage] [Route Stage] [Filter Stage]
│ │ │
▼ ▼ ▼
[Match Silence CRs] [Match Router CRs] [alertSelector filtering]
│
[Aggregation Stage]
│
[Notify Stage]
│
┌────────────────────────┼────────────────────────────┐
│ │ │
Email/Slack DingTalk/Feishu WeChat/Webhook
│
▼
[History Webhook]
│
▼
┌─────────────────────┐
│ Vector Aggregator │
└────────┬────────────┘
│
│
▼
OpenSearch
| Component | Description | Default |
|-----------|-------------|---------|
| notification-manager | Core notification management, receives alerts, dispatches to channels | true |
| alertmanager (v0.27.0) | Alert routing, deduplication, aggregation, silencing | true |
| alertmanager-proxy | Alertmanager API proxy, NodePort 31093 | true |
| notification-history | Stores sent notifications via Vector to OpenSearch | true |
| Dependency | Type | Required |
|------------|------|----------|
| whizard-telemetry | extension | Required |
| vector (WizTelemetry Data Pipeline) | extension | Required only notification history is enabled |
| opensearch | extension | Required only notification history is enabled |
All CRDs belong to notification.kubesphere.io/v2beta2, scope is Cluster.
| CRD | Kind | Description |
|-----|------|-------------|
| notificationmanagers.notification.kubesphere.io | NotificationManager | Notification manager deployment spec (image, replicas, resources, sidecar, receiver config) |
| receivers.notification.kubesphere.io | Receiver | Tenant-level notification receiver, references Config |
| configs.notification.kubesphere.io | Config | Credential references (via Secret selectors), independent per channel |
| routers.notification.kubesphere.io | Router | Route alerts to receivers based on label matchers |
| silences.notification.kubesphere.io | Silence | Time-bounded silencing, supports matchers |
| Channel | Receiver Field | Config Field | Description |
|---------|---------------|--------------|-------------|
| Email | spec.email | spec.email | SMTP with TLS/STARTTLS support |
| Slack | spec.slack | spec.slack | Slack webhook + token |
| DingTalk | spec.dingtalk | spec.dingtalk | ChatBot + group conversation |
| WeChat | spec.wechat | spec.wechat | ChatBot + group conversation |
| Feishu | spec.feishu | spec.feishu | ChatBot + group conversation |
| Webhook | spec.webhook | spec.webhook | Generic HTTP / HTTPS POST |
Config (credentials) --labels--> Receiver (via label selector) --labels--> Router (route matching)
│
└── namespace for multi-tenant isolation
Config's labels are used by Receiver's *ConfigSelector. Receiver's labels are used by Router's receiverSelector.
REQUIRED: Complete all steps in order before generating InstallPlan.
kubectl get extensionversions -l kubesphere.io/extension-ref=whizard-notification -o jsonpath='{range .items[*]}{.spec.version}{"\n"}{end}' | sort -V | tail -1
This outputs the latest version (e.g., 2.7.0). Note this down.
CRITICAL:
metadata.name MUST be whizard-notificationconfig field is YAML formatBasic installation:
apiVersion: kubesphere.io/v1alpha1
kind: InstallPlan
metadata:
name: whizard-notification
spec:
extension:
name: whizard-notification
version: <VERSION> # From Step 1
enabled: true
upgradeStrategy: Manual
Disable notification history:
apiVersion: kubesphere.io/v1alpha1
kind: InstallPlan
metadata:
name: whizard-notification
spec:
extension:
name: whizard-notification
version: <VERSION>
enabled: true
upgradeStrategy: Manual
config: |
notification-history:
enabled: false
Custom index format (monthly):
notification-history:
sinks:
opensearch:
index:
prefix: "{{ .cluster }}-notification-history"
timestring: "%Y.%m"
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| notification-history.enabled | bool | true | Enable notification history storage |
| notification-history.sinks.opensearch.enabled | bool | true | Enable OpenSearch sink |
| notification-history.sinks.opensearch.index.prefix | string | {{ .cluster }}-notification-history | Index prefix, supports template |
| notification-history.sinks.opensearch.index.timestring | string | %Y.%m.%d | strftime format |
| notification-history.ism_policy.enable | bool | false | Enable ISM policy |
| notification-history.ism_policy.min_index_age | string | 7d | Minimum index retention |
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| alertmanager.replicaCount | int | 1 | Replica count |
| alertmanager.replicaAutoSet | bool | true | Auto set replicas by node count (<3=1, >=3=3) |
| alertmanager.service.nodePort | int | 31093 | NodePort (alertmanager-proxy) |
| alertmanager.config.group_wait | string | 30s | Alert aggregation wait time |
| alertmanager.config.repeat_interval | string | 12h | Repeat alert interval |
| alertmanager.config.route.receiver | string | Default | Default receiver |
| alertmanager.config.inhibit_rules | list | see below | Inhibition rules (critical→warning→info) |
Default inhibit_rules:
critical alerts silence warning and info with same labelswarning alerts silence info with same labelsInfoInhibitor silences all info level alerts| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| notification-manager.notificationmanager.sidecar.tenant.resources.limits.cpu | string | 200m | Sidecar CPU limit |
| notification-manager.notificationmanager.sidecar.tenant.resources.limits.memory | string | 512Mi | Sidecar memory limit |
| notification-manager.notificationmanager.sidecar.tenant.resources.requests.cpu | string | 200m | Sidecar CPU request |
| notification-manager.notificationmanager.sidecar.tenant.resources.requests.memory | string | 256Mi | Sidecar memory request |
| notification-manager.operator.containers.operator.resources.limits.cpu | string | 50m | notification manager operator CPU limit |
| notification-manager.operator.containers.operator.resources.limits.memory | string | 50Mi | notification manager operator memory limit |
| notification-manager.operator.containers.operator.resources.requests.cpu | string | 5m | notification manager operator CPU request |
| notification-manager.operator.containers.operator.resources.requests.memory | string | 20Mi | notification manager operator memory request |
| notification-manager.notificationmanager.resources.limits.cpu | string | 500m | notification manager CPU limit |
| notification-manager.notificationmanager.resources.limits.memory | string | 500Mi | notification manager memory limit |
| notification-manager.notificationmanager.resources.requests.cpu | string | 5m | notification manager CPU request |
| notification-manager.notificationmanager.resources.requests.memory | string | 20Mi | notification manager memory request |
| notification-manager.notificationmanager.replicas | int | 1 | notification manager replicas |
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| alertmanager-proxy.service.nodePort | int | 31093 | NodePort |
| alertmanager-proxy.resources.limits.cpu | string | 500m | CPU limit |
| alertmanager-proxy.resources.limits.memory | string | 500Mi | Memory limit |
| alertmanager-proxy.resources.requests.cpu | string | 100m | CPU request |
| alertmanager-proxy.resources.requests.memory | string | 100Mi | Memory request |
All APIs are at /kapis/notification.kubesphere.io/v2beta2/, routed through whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80. No authentication token is required.
The API supports two levels of resources:
| Level | URL Pattern | Resources |
|-------|-------------|-----------|
| Global | /{resources} | notificationmanagers, configs, receivers, routers, silences, secrets, configmaps |
| Tenant | /users/{user}/{resources} | configs, receivers, silences, secrets, configmaps (NOT notificationmanagers or routers) |
Supported HTTP methods: GET (list/detail), POST (create), PUT (update), PATCH (patch), DELETE (delete).
Query parameters for list endpoints: name, labelSelector, type, page, limit, ascending, orderBy.
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers" \
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers?type=email" \
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/users/admin/receivers" \
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "email-receiver",
"labels": {
"type": "default"
}
},
"spec": {
"email": {
"emailConfigSelector": {
"matchLabels": { "type": "default" }
},
"to": ["[email protected]"],
"tmplType": "html"
}
}
}'
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/users/admin/receivers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "email-receiver",
"labels": {
"type": "tenant",
"user": "admin"
}
},
"spec": {
"email": {
"emailConfigSelector": {
"matchLabels": { "type": "default" }
},
"to": ["[email protected]"],
"tmplType": "html"
}
}
}'
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/users/admin/receivers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "slack-receiver",
"labels": { "type": "tenant", "user": "admin" }
},
"spec": {
"slack": {
"slackConfigSelector": {
"matchLabels": { "type": "default" }
},
"channels": ["#alerts"],
"alertSelector": {
"matchLabels": { "severity": "critical" }
}
}
}
}'
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "dingtalk-receiver",
"labels": { "type": "global" }
},
"spec": {
"dingtalk": {
"dingtalkConfigSelector": {
"matchLabels": { "type": "default" }
},
"chatbot": {
"webhook": {
"value": "<CHATBOT_WEBHOOK>"
},
"secret": {
"valueFrom": {
"secretKeyRef": {
"name": "dingtalk-secret",
"key": "secret"
}
}
},
"keywords": ["Alert", "alert"],
"atAll": false
},
"alertSelector": {}
}
}
}'
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "feishu-receiver",
"labels": { "type": "global" }
},
"spec": {
"feishu": {
"feishuConfigSelector": {
"matchLabels": { "type": "default" }
},
"chatbot": {
"webhook": {
"value": "<FEISHU_WEBHOOK>"
},
"secret": {
"valueFrom": {
"secretKeyRef": {
"name": "feishu-secret",
"key": "secret"
}
}
},
"keywords": ["Alert"]
},
"user": ["<USER_ID>"],
"department": ["<DEPT_ID>"]
}
}
}'
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/users/admin/receivers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "webhook-receiver",
"labels": { "type": "tenant", "user": "admin" }
},
"spec": {
"webhook": {
"webhookConfigSelector": {
"matchLabels": { "type": "default" }
},
"url": {
"value": "https://example.com/webhook"
},
"tmplType": "json"
}
}
}'
curl -X PUT "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers/email-receiver" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Receiver",
"metadata": {
"name": "email-receiver",
"labels": { "type": "default" }
},
"spec": {
"email": {
"emailConfigSelector": {
"matchLabels": { "type": "default" }
},
"to": ["[email protected]", "[email protected]"],
"tmplType": "html"
}
}
}'
curl -X PATCH "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers/email-receiver" \
-H "Content-Type: application/json" \
-d '{"spec": {"email": {"to": ["[email protected]"]}}}'
curl -X DELETE "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/receivers/email-receiver"
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/silences"
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/silences" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Silence",
"metadata": {
"name": "maintenance-window"
},
"spec": {
"matchers": [
{"name": "alertname", "value": "KubeNodeReady"},
{"name": "namespace", "value": "default", "operator": "Equal"}
],
"startAt": "2024-01-01T00:00:00Z",
"endAt": "2024-01-02T00:00:00Z",
"createdBy": "admin",
"comment": "Scheduled maintenance"
}
}'
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/users/admin/silences" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Silence",
"metadata": {
"name": "tenant-maintenance",
"labels": { "type": "tenant", "user": "admin" }
},
"spec": {
"matchers": [
{"name": "alertname", "value": ".*"}
],
"startAt": "2024-01-01T00:00:00Z",
"endAt": "2024-01-02T00:00:00Z",
"createdBy": "admin",
"comment": "Tenant maintenance window"
}
}'
curl -X DELETE "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/silences/maintenance-window"
curl -X POST "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/routers" \
-H "Content-Type: application/json" \
-d '{
"apiVersion": "notification.kubesphere.io/v2beta2",
"kind": "Router",
"metadata": {
"name": "critical-alerts-router"
},
"spec": {
"receivers": ["email-receiver", "slack-receiver"],
"alertSelector": {
"matchLabels": { "severity": "critical" }
}
}
}'
# Basic search
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/notifications/search?size=10"
# Search with filters
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/notifications/search?alertname=KubeNodeReady&severity=critical&namespace=default&size=20&sort=startTime&order=desc"
# Search with time range
curl -X GET "http://whizard-telemetry-apiserver.extension-whizard-telemetry.svc:80/kapis/notification.kubesphere.io/v2beta2/notifications/search?start_time=1704067200&end_time=1704153600&size=50"
Notification Search Query Parameters:
| Parameter | Description |
|-----------|-------------|
| status | Alert status: firing, resolved (comma-separated) |
| alertname | Alert name (comma-separated, exact match) |
| alertname_fuzzy | Alert name fuzzy match |
| alerttype | Alert type (comma-separated) |
| alerttype_fuzzy | Alert type fuzzy match |
| severity | Severity level (comma-separated) |
| severity_fuzzy | Severity level fuzzy match |
| namespace | Namespace (comma-separated) |
| namespace_fuzzy | Namespace fuzzy match |
| message_fuzzy | Alert message fuzzy match |
| start_time | Start time (Unix timestamp, seconds) |
| end_time | End time (Unix timestamp, seconds) |
| sort | Sort field (e.g., startTime) |
| order | Sort order: asc or desc (default: desc) |
| from | Offset from result set (default: 0) |
| size | Number of results (default: 10, max: 100) |
| cluster | Cluster name |
kubectl get installplan whizard-notification
kubectl get extension whizard-notification
kubectl get extensionversion -l kubesphere.io/extension-ref=whizard-notification
# notification-manager operator + deployment
kubectl get pods -n kubesphere-monitoring-system -l notification-manager=notification-manager
# alertmanager
kubectl get pods -n kubesphere-monitoring-system -l app.kubernetes.io/name=alertmanager
# alertmanager-proxy
kubectl get pods -n kubesphere-monitoring-system -l name=alertmanager-proxy
# notification-manager main process
kubectl logs -n kubesphere-monitoring-system -l notification-manager=notification-manager -c notification-manager --tail=100
# tenant sidecar
kubectl logs -n kubesphere-monitoring-system -l notification-manager=notification-manager -c tenant --tail=100
# operator
kubectl logs -n kubesphere-monitoring-system -l control-plane=controller-manager --tail=100
# alertmanager
kubectl logs -n kubesphere-monitoring-system -l app.kubernetes.io/name=alertmanager --tail=100
kubectl delete installplan whizard-notification
Diagnosis steps:
# 1. Check if notification-manager is running
kubectl get pods -n kubesphere-monitoring-system -l notification-manager=notification-manager
# 2. Check if alertmanager receives alerts
kubectl logs -n kubesphere-monitoring-system -l app.kubernetes.io/name=alertmanager --tail=50
# 3. Check notification-manager logs
kubectl logs -n kubesphere-monitoring-system -l notification-manager=notification-manager -c notification-manager --tail=100 | grep -i error
# 4. Check if Receiver and Config exist
kubectl get receivers,configs -n kubesphere-monitoring-system
# 5. Check if silenced by Silence CR
kubectl get silences
# 1. Check if vector aggregator is running
kubectl get pods -n kubesphere-logging-system -l app.kubernetes.io/name=vector-aggregator
# 2. Check if vector-sinks secret exists
kubectl get secret vector-sinks -n kubesphere-logging-system
# 3. Check OpenSearch indices exist
# (requires OpenSearch API or Kibana)
# Check sidecar logs
kubectl logs -n kubesphere-monitoring-system -l notification-manager=notification-manager -c tenant --tail=50
# Test sidecar API
kubectl exec -n kubesphere-monitoring-system deploy/notification-manager -- \
curl -s "http://localhost:19094/api/v2/tenant?namespace=default"
# Check image tag config; manually set old tags block upgrades
kubectl get installplan whizard-notification -n kubesphere-system -o yaml | grep -i image
# Remove or update manually set image.tag in InstallPlan config
vector, and opensearch first if notification history is enabledvector-sinks Secretimage.tag to avoid pulling stale imagesTake kubesphere/whizard-notification from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.