规则引擎

pkg/rule_engine/nodes/action_create_alarm_node.go

@@ -0,0 +1,43 @@
+package nodes
+
+import (
+	"fmt"
+	"pandax/pkg/rule_engine/message"
+
+	"github.com/sirupsen/logrus"
+)
+
+type createAlarmNode struct {
+	bareNode
+	DetailBuilderScript string `json:"detailBuilderScript" yaml:"detailBuilderScript"`
+	AlarmType           string `json:"alarmType" yaml:"alarmType"`
+	AlarmSeverity       string `json:"alarmSeverity" yaml:"alarmSeverity"`
+	Propagate           string `json:"propagate" yaml:"propagate"`
+	AlarmStartTime      string `json:"alarmStartTime" yaml:"alarmStartTime"`
+	AlarmEndTime        string `json:"alarmEndTime" yaml:"alarmEndTime"`
+}
+
+type createAlarmNodeFactory struct{}
+
+func (f createAlarmNodeFactory) Name() string     { return "CreateAlarmNode" }
+func (f createAlarmNodeFactory) Category() string { return NODE_CATEGORY_ACTION }
+func (f createAlarmNodeFactory) Create(id string, meta Metadata) (Node, error) {
+	labels := []string{"Created", "Updated", "Failure"}
+	node := &createAlarmNode{
+		bareNode: newBareNode(f.Name(), id, meta, labels),
+	}
+	return decodePath(meta, node)
+}
+
+func (n *createAlarmNode) Handle(msg message.Message) error {
+	logrus.Infof("%s handle message '%s'", n.Name(), msg.GetType())
+
+	node1 := n.GetLinkedNode("Created")
+	node2 := n.GetLinkedNode("Updated")
+	node3 := n.GetLinkedNode("Failure")
+	if node1 == nil || node2 == nil || node3 == nil {
+		return fmt.Errorf("no valid label linked node in %s", n.Name())
+	}
+
+	return nil
+}