initial checkin of node IPMI power control

internal/pkg/power/ipmitool.go

@@ -0,0 +1,49 @@
+package power
+
+import (
+	"os/exec"
+)
+
+type IPMI struct {
+	HostName string
+	User     string
+	Password string
+	AuthType string
+}
+
+func (ipmi IPMI) Command(ipmiArgs []string) ([]byte, error) {
+
+	var args []string
+
+	args = append(args, "-I", "lan", "-H", ipmi.HostName, "-U", ipmi.User, "-P", ipmi.Password)
+	args = append(args, ipmiArgs...)
+	ipmiCmd := exec.Command("/usr/bin/ipmitool", args...)
+	return ipmiCmd.CombinedOutput()
+}
+
+func (ipmi IPMI) PowerOn() (string, error) {
+
+	var args []string
+
+	args = append(args, "chassis", "power", "on")
+	ipmiOut, err := ipmi.Command(args)
+	return string(ipmiOut), err
+}
+
+func (ipmi IPMI) PowerOff() (string, error) {
+
+	var args []string
+
+	args = append(args, "chassis", "power", "off")
+	ipmiOut, err := ipmi.Command(args)
+	return string(ipmiOut), err
+}
+
+func (ipmi IPMI) PowerStatus() (string, error) {
+
+	var args []string
+
+	args = append(args, "chassis", "power", "status")
+	ipmiOut, err := ipmi.Command(args)
+	return string(ipmiOut), err
+}