WIP

alert.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"fmt"
+	"os/exec"
+	"text/template"
+	"time"
+)
+
+type Alert struct {
+	Name                 string
+	Command              []string
+	CommandShell         string `yaml:"command_shell"`
+	commandTemplate      []template.Template
+	commandShellTemplate template.Template
+}
+
+func (alert Alert) IsValid() bool {
+	atLeastOneCommand := (alert.CommandShell != "" || alert.Command != nil)
+	atMostOneCommand := (alert.CommandShell == "" || alert.Command == nil)
+	return atLeastOneCommand && atMostOneCommand
+}
+
+func (alert *Alert) BuildTemplates() {
+	if alert.commandTemplate == nil && alert.Command != nil {
+		// build template
+		fmt.Println("Building template for command...")
+	} else if alert.commandShellTemplate == nil && alert.CommandShell != "" {
+		alert.commandShellTemplate = template.Must(
+			template.New(alert.Name).Parse(alert.CommandShell),
+		)
+	} else {
+		panic("No template?")
+	}
+}
+
+func (alert Alert) Send(notice AlertNotice) {
+	var cmd *exec.Cmd
+
+	if alert.commandTemplate != nil {
+		// build template
+		fmt.Println("Send command thing...")
+	} else if alert.commandShellTemplate != nil {
+		var commandBuffer bytes.Buffer
+		err := alert.commandShellTemplate.Execute(&commandBuffer, notice)
+		// TODO handle error
+		cmd = exec.Command(commandBuffer.String())
+	} else {
+		panic("No template?")
+	}
+}
+
+type AlertNotice struct {
+	MonitorName     string
+	AlertCount      int64
+	FailureCount    int64
+	LastCheckOutput string
+	LastSuccess     time.Time
+}