notification_template.go

package deployer

const (
	NotificationTmpl = `
{{- define "rancher.title" -}}
{{- if eq .CommonLabels.alert_type "event" }}
{{ .CommonLabels.event_type}} event of {{.GroupLabels.resource_kind}} occurred

{{- else if eq .CommonLabels.alert_type "systemService" }}
The system component {{ .GroupLabels.component_name}} is not running

{{- else if eq .CommonLabels.alert_type "nodeHealthy" }}
The kubelet on the node {{ .GroupLabels.node_name}} is not healthy

{{- else if eq .CommonLabels.alert_type "nodeCPU" }}
The CPU usage on the node {{ .GroupLabels.node_name}} is over {{ .CommonLabels.cpu_threshold}}%

{{- else if eq .CommonLabels.alert_type "nodeMemory" }}
The memory usage on the node {{ .GroupLabels.node_name}} is over {{ .CommonLabels.mem_threshold}}%

{{- else if eq .CommonLabels.alert_type "podNotScheduled" }}
The Pod {{ if .GroupLabels.namespace}}{{.GroupLabels.namespace}}:{{end}}{{.GroupLabels.pod_name}} is not scheduled

{{- else if eq .CommonLabels.alert_type "podNotRunning" }}
The Pod {{ if .GroupLabels.namespace}}{{.GroupLabels.namespace}}:{{end}}{{.GroupLabels.pod_name}} is not running

{{- else if eq .CommonLabels.alert_type "podRestarts" }}
The Pod {{ if .GroupLabels.namespace}}{{.GroupLabels.namespace}}:{{end}}{{.GroupLabels.pod_name}} restarts {{ .CommonLabels.restart_times}} times in {{ .CommonLabels.restart_interval}} sec

{{- else if eq .CommonLabels.alert_type "workload" }}
The workload {{ if .GroupLabels.workload_namespace}}{{.GroupLabels.workload_namespace}}:{{end}}{{.GroupLabels.workload_name}} has available replicas less than {{ .CommonLabels.available_percentage}}%

{{- else if eq .CommonLabels.alert_type "metric" }}
The metric {{ .CommonLabels.alert_name}} crossed the threshold 
{{ end -}}
{{ end -}}

{{- define "wechat.text" -}}
{{ template "__wechat_text_list" . }}
{{ end -}}

{{- define "__wechat_text_list" -}}
{{ template "rancher.title" . }}
{{ template "__text_list" . }}
{{ end -}}

{{- define "slack.text" -}}
{{ template "__text_list" . }}
{{ end -}}

{{- define "__text_list" -}}
{{ range .Alerts.Firing }}
{{ template "__text_single" . }}
{{ end -}}
{{ end -}}

{{- define "__text_single" -}}
Alert Name: {{ .Labels.alert_name}}
Severity: {{ .Labels.severity}}
Cluster Name: {{.Labels.cluster_name}}
{{- if eq .Labels.alert_type "event" }}
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}{{ end }}
Target: {{ if .Labels.target_namespace -}}{{.Labels.target_namespace}}:{{ end -}}{{.Labels.target_name}}
Count: {{ .Labels.event_count}}
Event Message: {{ .Labels.event_message}}
First Seen: {{ .Labels.event_firstseen}}
Last Seen: {{ .Labels.event_lastseen}}
{{- else if eq .Labels.alert_type "nodeCPU" }}
Used CPU: {{ .Labels.used_cpu}} m
Total CPU: {{ .Labels.total_cpu}} m
{{- else if eq .Labels.alert_type "nodeMemory" }}
Used Memory: {{ .Labels.used_mem}}
Total Memory: {{ .Labels.total_mem}}
{{- else if eq .Labels.alert_type "podRestarts" }}
Project Name: {{ .Labels.project_name}}
Namespace: {{ .Labels.namespace}}
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}
{{ end -}}
Container Name: {{ .Labels.container_name}}
{{- else if eq .Labels.alert_type "podNotRunning" }}
Project Name: {{ .Labels.project_name}}
Namespace: {{ .Labels.namespace}}
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}
{{ end -}}
Container Name: {{ .Labels.container_name}}
{{- else if eq .Labels.alert_type "podNotScheduled" }}
Project Name: {{ .Labels.project_name}}
Namespace: {{ .Labels.namespace}}
Pod Name: {{ .Labels.pod_name}}
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}
{{ end -}}
{{- else if eq .Labels.alert_type "workload" }}
Project Name: {{ .Labels.project_name}}
Available Replicas: {{ .Labels.available_replicas}}
Desired Replicas: {{ .Labels.desired_replicas}}
{{- else if eq .Labels.alert_type "metric" }}
{{- if .Labels.namespace }}
Namespace: {{ .Labels.namespace}}{{ end }}
{{- if .Labels.project_name }}
Project Name: {{ .Labels.project_name}}{{ end }}
{{- if .Labels.pod_name }}
Pod Name: {{ .Labels.pod_name}}{{ else if .Labels.pod -}}Pod Name: {{ .Labels.pod}}{{ end }}
Expression: {{ .Labels.expression}}
Description: Threshold Crossed: datapoint value {{ .Annotations.current_value}} was {{ .Labels.comparison}} to the threshold ({{ .Labels.threshold_value}}) for ({{ .Labels.duration}})
{{ end -}}
{{- if .Labels.logs }}
Logs: {{ .Labels.logs}}
{{ end -}}
{{ end -}}

{{- define "email.text" -}}
{{ template "__email_text_list" . }}
{{ end -}}

{{- define "__email_text_list" -}}
{{ range .Alerts.Firing }}
{{ template "__email_text_single" . }}
{{ end -}}
{{ end -}}

{{- define "__email_text_single" -}}
Alert Name: {{ .Labels.alert_name}}<br>
Severity: {{ .Labels.severity}}<br>
Cluster Name: {{.Labels.cluster_name}}<br>
{{- if eq .Labels.alert_type "event" }}
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}<br>
{{ end -}}
Target: {{ if .Labels.target_namespace -}}{{.Labels.target_namespace}}:{{end -}}{{ .Labels.target_name}}<br>
Count: {{ .Labels.event_count}}<br>
Event Message: {{ .Labels.event_message}}<br>
First Seen: {{ .Labels.event_firstseen}}<br>
Last Seen: {{ .Labels.event_lastseen}}<br>
{{- else if eq .Labels.alert_type "nodeCPU" }}
Used CPU: {{ .Labels.used_cpu}} m<br>
Total CPU: {{ .Labels.total_cpu}} m<br>
{{- else if eq .Labels.alert_type "nodeMemory" }}
Used Memory: {{ .Labels.used_mem}}<br>
Total Memory: {{ .Labels.total_mem}}<br>
{{- else if eq .Labels.alert_type "podRestarts" }}
Project Name: {{.Labels.project_name}}<br>
Namespace: {{ .Labels.namespace}}<br>
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}<br>
{{ end -}}
Container Name: {{.Labels.container_name}}<br>
{{- else if eq .Labels.alert_type "podNotRunning" }}
Project Name: {{.Labels.project_name}}<br>
Namespace: {{ .Labels.namespace}}<br>
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}<br>
{{ end -}}
Container Name: {{ .Labels.container_name}}<br>
{{- else if eq .Labels.alert_type "podNotScheduled" }}
Project Name: {{.Labels.project_name}}<br>
Namespace: {{ .Labels.namespace}}<br>
{{- if .Labels.workload_name }}
Workload Name: {{.Labels.workload_name}}<br>
{{ end -}}
Pod Name: {{ .Labels.pod_name}}<br>
{{- else if eq .Labels.alert_type "workload"}}
Project Name: {{.Labels.project_name}}<br>
Available Replicas: {{ .Labels.available_replicas}}<br>
Desired Replicas: {{ .Labels.desired_replicas}}<br>
{{- else if eq .Labels.alert_type "metric" }}
{{- if .Labels.project_name }}
Project Name: {{.Labels.project_name}}<br>
{{ end -}}
{{- if .Labels.pod_name }}
Pod Name: {{.Labels.pod_name}}{{ else if .Labels.pod -}}Pod Name: {{.Labels.pod}}<br>
{{ end -}}
{{- if .Labels.namespace }}
Namespace: {{.Labels.namespace}}<br>
{{ end -}}
Expression: {{.Labels.expression}}<br>
Description: Threshold Crossed: datapoint value {{ .Annotations.current_value}} was {{ .Labels.comparison}} to the threshold ({{ .Labels.threshold_value}}) for ({{ .Labels.duration}})<br>
{{ end -}}
{{- if .Labels.logs }}
Logs: {{ .Labels.logs}}
{{ end -}}
<br>
{{ end -}}
`
)