initial commit
diff --git a/Gopkg.lock b/Gopkg.lock
new file mode 100644
index 0000000..50df36f
--- /dev/null
+++ b/Gopkg.lock
@@ -0,0 +1,189 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  branch = "master"
+  digest = "1:2af0bc306f77bef606f6f6033652f0de3cc80e77008f4da52197b4b0a6be5853"
+  name = "code.hackerspace.pl/q3k/hspki"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "624295da664fea57a1e3bd8cee639ae04f4c0ccf"
+
+[[projects]]
+  branch = "master"
+  digest = "1:b2619fc3d4ced0542d16962c73812d2e70ed09eb29cdfc3d767a85b726dab150"
+  name = "code.hackerspace.pl/q3k/mirko"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "4f7ee51e9a73e05e5b2dbc6cfa178ace2f83b155"
+
+[[projects]]
+  digest = "1:e92f5581902c345eb4ceffdcd4a854fb8f73cf436d47d837d1ec98ef1fe0a214"
+  name = "github.com/StackExchange/wmi"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "5d049714c4a64225c3c79a7cf7d02f7fb5b96338"
+  version = "1.0.0"
+
+[[projects]]
+  digest = "1:64a5a67c69b70c2420e607a8545d674a23778ed9c3e80607bfd17b77c6c87f6a"
+  name = "github.com/go-ole/go-ole"
+  packages = [
+    ".",
+    "oleutil",
+  ]
+  pruneopts = "UT"
+  revision = "a41e3c4b706f6ae8dfbff342b06e40fa4d2d0506"
+  version = "v1.2.1"
+
+[[projects]]
+  branch = "master"
+  digest = "1:1ba1d79f2810270045c328ae5d674321db34e3aae468eb4233883b473c5c0467"
+  name = "github.com/golang/glog"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "23def4e6c14b4da8ac2ed8007337bc5eb5007998"
+
+[[projects]]
+  digest = "1:5d1b5a25486fc7d4e133646d834f6fca7ba1cef9903d40e7aa786c41b89e9e91"
+  name = "github.com/golang/protobuf"
+  packages = [
+    "proto",
+    "protoc-gen-go/descriptor",
+    "ptypes",
+    "ptypes/any",
+    "ptypes/duration",
+    "ptypes/timestamp",
+  ]
+  pruneopts = "UT"
+  revision = "aa810b61a9c79d51363740d207bb46cf8e620ed5"
+  version = "v1.2.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:a7cc4447e0c2432f217fd2bed937c100ec475272a7a9306477170c2934297357"
+  name = "github.com/q3k/statusz"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "924f04ea71149b75f5b10f426cc4c39d6d90f6f2"
+
+[[projects]]
+  branch = "master"
+  digest = "1:8f042d4b4c48d38d7a1201096299bd26d044c97c032ab20ee171fe5b0d201d2e"
+  name = "github.com/shirou/gopsutil"
+  packages = [
+    "internal/common",
+    "load",
+  ]
+  pruneopts = "UT"
+  revision = "a11c78ba2c13c5b1ee59c53296ba35f92f0ce658"
+
+[[projects]]
+  branch = "master"
+  digest = "1:505dbee0833715a72a529bb57c354826ad42a4496fad787fa143699b4de1a6d0"
+  name = "golang.org/x/net"
+  packages = [
+    "context",
+    "http/httpguts",
+    "http2",
+    "http2/hpack",
+    "idna",
+    "internal/timeseries",
+    "trace",
+  ]
+  pruneopts = "UT"
+  revision = "49bb7cea24b1df9410e1712aa6433dae904ff66a"
+
+[[projects]]
+  branch = "master"
+  digest = "1:f5aa274a0377f85735edc7fedfb0811d3cbc20af91633797cb359e29c3272271"
+  name = "golang.org/x/sys"
+  packages = [
+    "unix",
+    "windows",
+  ]
+  pruneopts = "UT"
+  revision = "fa43e7bc11baaae89f3f902b2b4d832b68234844"
+
+[[projects]]
+  digest = "1:a2ab62866c75542dd18d2b069fec854577a20211d7c0ea6ae746072a1dccdd18"
+  name = "golang.org/x/text"
+  packages = [
+    "collate",
+    "collate/build",
+    "internal/colltab",
+    "internal/gen",
+    "internal/tag",
+    "internal/triegen",
+    "internal/ucd",
+    "language",
+    "secure/bidirule",
+    "transform",
+    "unicode/bidi",
+    "unicode/cldr",
+    "unicode/norm",
+    "unicode/rangetable",
+  ]
+  pruneopts = "UT"
+  revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
+  version = "v0.3.0"
+
+[[projects]]
+  branch = "master"
+  digest = "1:56b0bca90b7e5d1facf5fbdacba23e4e0ce069d25381b8e2f70ef1e7ebfb9c1a"
+  name = "google.golang.org/genproto"
+  packages = ["googleapis/rpc/status"]
+  pruneopts = "UT"
+  revision = "af9cb2a35e7f169ec875002c1829c9b315cddc04"
+
+[[projects]]
+  digest = "1:dc0c170b110c22d9a4eccf08ab58490608053eac450bf456f3aaf9b30a668781"
+  name = "google.golang.org/grpc"
+  packages = [
+    ".",
+    "balancer",
+    "balancer/base",
+    "balancer/roundrobin",
+    "codes",
+    "connectivity",
+    "credentials",
+    "encoding",
+    "encoding/proto",
+    "grpclog",
+    "internal",
+    "internal/backoff",
+    "internal/channelz",
+    "internal/envconfig",
+    "internal/grpcrand",
+    "internal/transport",
+    "keepalive",
+    "metadata",
+    "naming",
+    "peer",
+    "reflection",
+    "reflection/grpc_reflection_v1alpha",
+    "resolver",
+    "resolver/dns",
+    "resolver/passthrough",
+    "stats",
+    "status",
+    "tap",
+  ]
+  pruneopts = "UT"
+  revision = "8dea3dc473e90c8179e519d91302d0597c0ca1d1"
+  version = "v1.15.0"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  input-imports = [
+    "code.hackerspace.pl/q3k/mirko",
+    "github.com/golang/glog",
+    "github.com/golang/protobuf/proto",
+    "golang.org/x/net/context",
+    "google.golang.org/grpc",
+    "google.golang.org/grpc/codes",
+    "google.golang.org/grpc/status",
+  ]
+  solver-name = "gps-cdcl"
+  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
new file mode 100644
index 0000000..8e54d33
--- /dev/null
+++ b/Gopkg.toml
@@ -0,0 +1,50 @@
+# Gopkg.toml example
+#
+# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+
+[[constraint]]
+  branch = "master"
+  name = "code.hackerspace.pl/q3k/mirko"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/golang/glog"
+
+[[constraint]]
+  name = "github.com/golang/protobuf"
+  version = "1.2.0"
+
+[[constraint]]
+  branch = "master"
+  name = "golang.org/x/net"
+
+[[constraint]]
+  name = "google.golang.org/grpc"
+  version = "1.15.0"
+
+[prune]
+  go-tests = true
+  unused-packages = true
diff --git a/client.go b/client.go
new file mode 100644
index 0000000..e421068
--- /dev/null
+++ b/client.go
@@ -0,0 +1,348 @@
+package main
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"regexp"
+	"strings"
+
+	"code.hackerspace.pl/q3k/mirko"
+	"github.com/cenkalti/backoff"
+	"github.com/golang/glog"
+)
+
+var (
+	reSessionCookie = regexp.MustCompile("'SESSION_COOKIE' : '([^']*)'")
+	reIpmiPriv      = regexp.MustCompile("'IPMI_PRIV' : ([^,]*)")
+	reExtPriv       = regexp.MustCompile("'EXT_PRIV' : ([^,]*)")
+	reSystemModel   = regexp.MustCompile("'SYSTEM_MODEL' : '([^']*)'")
+	reArgument      = regexp.MustCompile("<argument>([^<]*)</argument>")
+)
+
+var (
+	ErrorNoFreeSlot = fmt.Errorf("iDRAC reports no free slot")
+)
+
+type cmcRequestType int
+
+const (
+	cmcRequestKVMDetails cmcRequestType = iota
+)
+
+type cmcResponse struct {
+	data interface{}
+	err  error
+}
+
+type cmcRequest struct {
+	t        cmcRequestType
+	req      interface{}
+	res      chan cmcResponse
+	canceled bool
+}
+
+type KVMDetails struct {
+	arguments []string
+}
+
+type cmcClient struct {
+	session string
+	req     chan *cmcRequest
+}
+
+func (c *cmcClient) RequestKVMDetails(ctx context.Context, slot int) (*KVMDetails, error) {
+	r := &cmcRequest{
+		t:   cmcRequestKVMDetails,
+		req: slot,
+		res: make(chan cmcResponse, 1),
+	}
+	mirko.Trace(ctx, "cmcRequestKVMDetails: requesting...")
+	c.req <- r
+	mirko.Trace(ctx, "cmcRequestKVMDetails: requested.")
+
+	select {
+	case <-ctx.Done():
+		r.canceled = true
+		return nil, context.Canceled
+	case res := <-r.res:
+		mirko.Trace(ctx, "cmcRequestKVMDetails: got response")
+		if res.err != nil {
+			return nil, res.err
+		}
+		return res.data.(*KVMDetails), nil
+	}
+}
+
+func NewCMCClient() *cmcClient {
+	return &cmcClient{
+		req: make(chan *cmcRequest, 4),
+	}
+}
+
+func (c *cmcClient) Run(ctx context.Context) {
+	for {
+		select {
+		case <-ctx.Done():
+			c.logout()
+			return
+		case msg := <-c.req:
+			c.handle(msg)
+		}
+	}
+}
+
+func (c *cmcClient) handle(r *cmcRequest) {
+	switch {
+	case r.t == cmcRequestKVMDetails:
+		var details *KVMDetails
+		slot := r.req.(int)
+		err := backoff.Retry(func() error {
+			if err := c.login(); err != nil {
+				return err
+			}
+			url, err := c.getiDRACURL(slot)
+			if err != nil {
+				return err
+			}
+			details, err = c.getiDRACJNLP(url)
+			return err
+		}, backoff.WithMaxRetries(backoff.NewExponentialBackOff(), 2))
+
+		if err != nil {
+			r.res <- cmcResponse{err: err}
+		}
+
+		r.res <- cmcResponse{data: details}
+	default:
+		panic("invalid cmcRequestType")
+	}
+}
+
+func makeUrl(path string) string {
+	if strings.HasSuffix(flagCMCAddress, "/") {
+		return flagCMCAddress + path
+	}
+	return flagCMCAddress + "/" + path
+}
+
+func (c *cmcClient) transport() *http.Transport {
+	return &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	}
+}
+
+func (c *cmcClient) addCookies(req *http.Request) {
+	req.AddCookie(&http.Cookie{Name: "custom_domain", Value: ""})
+	req.AddCookie(&http.Cookie{Name: "domain_selected", Value: "This Chassis"})
+	if c.session != "" {
+		glog.Infof("Adding session: %v", c.session)
+		req.AddCookie(&http.Cookie{Name: "sid", Value: c.session})
+	}
+}
+
+func (c *cmcClient) getiDRACURL(slot int) (string, error) {
+	if c.session == "" {
+		return "", fmt.Errorf("not logged in")
+	}
+
+	url := makeUrl(pathiDRACURL) + fmt.Sprintf("?vKVM=1&serverSlot=%d", slot)
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return "", fmt.Errorf("GET prepare to %s failed: %v", pathLogin, err)
+	}
+	c.addCookies(req)
+
+	cl := &http.Client{
+		Transport: c.transport(),
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	resp, err := cl.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("GET to %s failed: %v", pathLogin, err)
+	}
+
+	if resp.StatusCode != 302 {
+		return "", fmt.Errorf("expected 302 on iDRAC URL redirect, got %v instead", resp.Status)
+	}
+
+	loc, _ := resp.Location()
+
+	if !strings.Contains(loc.String(), "cmc_sess_id") {
+		c.session = ""
+		return "", fmt.Errorf("redirect URL contains no session ID - session timed out?")
+	}
+
+	return loc.String(), nil
+}
+
+func (c *cmcClient) getiDRACJNLP(loginUrl string) (*KVMDetails, error) {
+	lurl, err := url.Parse(loginUrl)
+	if err != nil {
+		return nil, err
+	}
+
+	sessid := lurl.Query().Get("cmc_sess_id")
+	if sessid == "" {
+		return nil, fmt.Errorf("no cmc_sess_id in iDRAC login URL")
+	}
+
+	createURL := *lurl
+	createURL.Path = "/Applications/dellUI/RPC/WEBSES/create.asp"
+	createURL.RawQuery = ""
+
+	values := url.Values{}
+	values.Set("WEBVAR_USERNAME", "cmc")
+	values.Set("WEBVAR_PASSWORD", sessid)
+	values.Set("WEBVAR_ISCMCLOGIN", "1")
+	valuesString := values.Encode()
+	req, err := http.NewRequest("POST", createURL.String(), strings.NewReader(valuesString))
+
+	cl := &http.Client{
+		Transport: c.transport(),
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	resp, err := cl.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	data, _ := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	first := func(v [][]byte) string {
+		if len(v) < 1 {
+			return ""
+		}
+		return string(v[1])
+	}
+
+	sessionCookie := first(reSessionCookie.FindSubmatch(data))
+	ipmiPriv := first(reIpmiPriv.FindSubmatch(data))
+	extPriv := first(reExtPriv.FindSubmatch(data))
+	systemModel := first(reSystemModel.FindSubmatch(data))
+
+	if sessionCookie == "Failure_No_Free_Slot" {
+		return nil, ErrorNoFreeSlot
+	}
+
+	jnlpURL := *lurl
+	jnlpURL.Path = "/Applications/dellUI/Java/jviewer.jnlp"
+	jnlpURL.RawQuery = ""
+
+	req, err = http.NewRequest("GET", jnlpURL.String(), nil)
+	for _, cookie := range resp.Cookies() {
+		glog.Infof("%+v", cookie)
+		req.AddCookie(cookie)
+	}
+	req.AddCookie(&http.Cookie{Name: "SessionCookie", Value: sessionCookie})
+	req.AddCookie(&http.Cookie{Name: "SessionCookieUser", Value: "cmc"})
+	req.AddCookie(&http.Cookie{Name: "IPMIPriv", Value: ipmiPriv})
+	req.AddCookie(&http.Cookie{Name: "ExtPriv", Value: extPriv})
+	req.AddCookie(&http.Cookie{Name: "SystemModel", Value: systemModel})
+
+	resp, err = cl.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	data, err = ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	// yes we do parse xml with regex why are you asking
+	matches := reArgument.FindAllSubmatch(data, -1)
+
+	res := &KVMDetails{
+		arguments: []string{},
+	}
+	for _, match := range matches {
+		res.arguments = append(res.arguments, string(match[1]))
+	}
+
+	return res, nil
+}
+
+func (c *cmcClient) login() error {
+	if c.session != "" {
+		return nil
+	}
+
+	values := url.Values{}
+	values.Set("ST2", "NOTSET")
+	values.Set("user", flagCMCUsername)
+	values.Set("user_id", flagCMCUsername)
+	values.Set("password", flagCMCPassword)
+	values.Set("WEBSERVER_timeout", "1800")
+	values.Set("WEBSERVER_timeout_select", "1800")
+	valuesString := values.Encode()
+	glog.Info(valuesString)
+	req, err := http.NewRequest("POST", makeUrl(pathLogin), strings.NewReader(valuesString))
+	if err != nil {
+		return fmt.Errorf("POST prepare to %s failed: %v", pathLogin, err)
+	}
+	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
+	c.addCookies(req)
+
+	cl := &http.Client{
+		Transport: c.transport(),
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	resp, err := cl.Do(req)
+	if err != nil {
+		return fmt.Errorf("POST to %s failed: %v", pathLogin, err)
+	}
+	glog.Infof("Login response: %s", resp.Status)
+	defer resp.Body.Close()
+	for _, cookie := range resp.Cookies() {
+		if cookie.Name == "sid" {
+			c.session = cookie.Value
+			break
+		}
+	}
+	if c.session == "" {
+		return fmt.Errorf("login unsuccesful")
+	}
+	return nil
+}
+
+func (c *cmcClient) logout() {
+	glog.Infof("Killing session..")
+	if c.session == "" {
+		return
+	}
+
+	req, err := http.NewRequest("GET", makeUrl(pathLogout), nil)
+	if err != nil {
+		glog.Errorf("GET prepare to %s failed: %v", pathLogin, err)
+	}
+	c.addCookies(req)
+
+	cl := &http.Client{
+		Transport: c.transport(),
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	resp, err := cl.Do(req)
+	if err != nil {
+		glog.Errorf("GET to %s failed: %v", pathLogin, err)
+	}
+	glog.Infof("Logout response: %s", resp.Status)
+	return
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..266de97
--- /dev/null
+++ b/main.go
@@ -0,0 +1,75 @@
+package main
+
+import (
+	"context"
+	"flag"
+
+	"code.hackerspace.pl/q3k/mirko"
+	"github.com/golang/glog"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	pb "code.hackerspace.pl/q3k/cmc-proxy/proto"
+)
+
+var (
+	flagCMCAddress  string
+	flagCMCUsername string
+	flagCMCPassword string
+)
+
+const (
+	pathLogin    = "cgi-bin/webcgi/login"
+	pathLogout   = "cgi-bin/webcgi/logout"
+	pathiDRACURL = "cgi-bin/webcgi/blade_iDRAC_url"
+)
+
+func init() {
+	flag.Set("logtostderr", "true")
+}
+
+type service struct {
+	cmc *cmcClient
+}
+
+func (s *service) GetKVMData(ctx context.Context, req *pb.GetKVMDataRequest) (*pb.GetKVMDataResponse, error) {
+	if req.BladeNum < 1 || req.BladeNum > 16 {
+		return nil, status.Error(codes.InvalidArgument, "blade_num must be [1,16]")
+	}
+
+	details, err := s.cmc.RequestKVMDetails(ctx, int(req.BladeNum))
+	if err != nil {
+		glog.Errorf("RequestKVMDetails(_, %d): %v", req.BladeNum, err)
+		return nil, status.Error(codes.Unavailable, "CMC unavailable")
+	}
+
+	return &pb.GetKVMDataResponse{
+		Arguments: details.arguments,
+	}, nil
+}
+
+func main() {
+	flag.StringVar(&flagCMCAddress, "cmc_address", "https://10.10.10.10", "URL of Dell M1000e CMC")
+	flag.StringVar(&flagCMCUsername, "cmc_username", "root", "Login username for CMC")
+	flag.StringVar(&flagCMCPassword, "cmc_password", "", "Login password for CMC")
+	flag.Parse()
+
+	m := mirko.New()
+	if err := m.Listen(); err != nil {
+		glog.Exitf("Could not listen: %v", err)
+	}
+
+	s := &service{
+		cmc: NewCMCClient(),
+	}
+	pb.RegisterCMCProxyServer(m.GRPC(), s)
+
+	if err := m.Serve(); err != nil {
+		glog.Exitf("Could not run: %v", err)
+	}
+
+	go s.cmc.Run(m.Context())
+	glog.Info("Running.")
+
+	<-m.Done()
+}
diff --git a/proto/generate.go b/proto/generate.go
new file mode 100644
index 0000000..fc6193d
--- /dev/null
+++ b/proto/generate.go
@@ -0,0 +1,3 @@
+//go:generate protoc -I.. ../proxy.proto --go_out=plugins=grpc:.
+
+package proto
diff --git a/proto/proxy.pb.go b/proto/proxy.pb.go
new file mode 100644
index 0000000..ff1d00b
--- /dev/null
+++ b/proto/proxy.pb.go
@@ -0,0 +1,194 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: proxy.proto
+
+package proto
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type GetKVMDataRequest struct {
+	BladeNum             int64    `protobuf:"varint,1,opt,name=blade_num,json=bladeNum,proto3" json:"blade_num,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *GetKVMDataRequest) Reset()         { *m = GetKVMDataRequest{} }
+func (m *GetKVMDataRequest) String() string { return proto.CompactTextString(m) }
+func (*GetKVMDataRequest) ProtoMessage()    {}
+func (*GetKVMDataRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_700b50b08ed8dbaf, []int{0}
+}
+
+func (m *GetKVMDataRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetKVMDataRequest.Unmarshal(m, b)
+}
+func (m *GetKVMDataRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetKVMDataRequest.Marshal(b, m, deterministic)
+}
+func (m *GetKVMDataRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetKVMDataRequest.Merge(m, src)
+}
+func (m *GetKVMDataRequest) XXX_Size() int {
+	return xxx_messageInfo_GetKVMDataRequest.Size(m)
+}
+func (m *GetKVMDataRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetKVMDataRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetKVMDataRequest proto.InternalMessageInfo
+
+func (m *GetKVMDataRequest) GetBladeNum() int64 {
+	if m != nil {
+		return m.BladeNum
+	}
+	return 0
+}
+
+type GetKVMDataResponse struct {
+	Arguments            []string `protobuf:"bytes,1,rep,name=arguments,proto3" json:"arguments,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *GetKVMDataResponse) Reset()         { *m = GetKVMDataResponse{} }
+func (m *GetKVMDataResponse) String() string { return proto.CompactTextString(m) }
+func (*GetKVMDataResponse) ProtoMessage()    {}
+func (*GetKVMDataResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_700b50b08ed8dbaf, []int{1}
+}
+
+func (m *GetKVMDataResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetKVMDataResponse.Unmarshal(m, b)
+}
+func (m *GetKVMDataResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetKVMDataResponse.Marshal(b, m, deterministic)
+}
+func (m *GetKVMDataResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetKVMDataResponse.Merge(m, src)
+}
+func (m *GetKVMDataResponse) XXX_Size() int {
+	return xxx_messageInfo_GetKVMDataResponse.Size(m)
+}
+func (m *GetKVMDataResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetKVMDataResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetKVMDataResponse proto.InternalMessageInfo
+
+func (m *GetKVMDataResponse) GetArguments() []string {
+	if m != nil {
+		return m.Arguments
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*GetKVMDataRequest)(nil), "proto.GetKVMDataRequest")
+	proto.RegisterType((*GetKVMDataResponse)(nil), "proto.GetKVMDataResponse")
+}
+
+func init() { proto.RegisterFile("proxy.proto", fileDescriptor_700b50b08ed8dbaf) }
+
+var fileDescriptor_700b50b08ed8dbaf = []byte{
+	// 156 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xe2, 0x2e, 0x28, 0xca, 0xaf,
+	0xa8, 0xd4, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0x05, 0x53, 0x4a, 0x06, 0x5c, 0x82, 0xee,
+	0xa9, 0x25, 0xde, 0x61, 0xbe, 0x2e, 0x89, 0x25, 0x89, 0x41, 0xa9, 0x85, 0xa5, 0xa9, 0xc5, 0x25,
+	0x42, 0xd2, 0x5c, 0x9c, 0x49, 0x39, 0x89, 0x29, 0xa9, 0xf1, 0x79, 0xa5, 0xb9, 0x12, 0x8c, 0x0a,
+	0x8c, 0x1a, 0xcc, 0x41, 0x1c, 0x60, 0x01, 0xbf, 0xd2, 0x5c, 0x25, 0x23, 0x2e, 0x21, 0x64, 0x1d,
+	0xc5, 0x05, 0xf9, 0x79, 0xc5, 0xa9, 0x42, 0x32, 0x5c, 0x9c, 0x89, 0x45, 0xe9, 0xa5, 0xb9, 0xa9,
+	0x79, 0x25, 0xc5, 0x12, 0x8c, 0x0a, 0xcc, 0x1a, 0x9c, 0x41, 0x08, 0x01, 0x23, 0x5f, 0x2e, 0x0e,
+	0x67, 0x5f, 0xe7, 0x00, 0x90, 0xf5, 0x42, 0x8e, 0x5c, 0x5c, 0x08, 0xfd, 0x42, 0x12, 0x10, 0xe7,
+	0xe8, 0x61, 0x38, 0x42, 0x4a, 0x12, 0x8b, 0x0c, 0xc4, 0xb2, 0x24, 0x36, 0xb0, 0x8c, 0x31, 0x20,
+	0x00, 0x00, 0xff, 0xff, 0x09, 0x00, 0x2b, 0x54, 0xd1, 0x00, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// CMCProxyClient is the client API for CMCProxy service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type CMCProxyClient interface {
+	GetKVMData(ctx context.Context, in *GetKVMDataRequest, opts ...grpc.CallOption) (*GetKVMDataResponse, error)
+}
+
+type cMCProxyClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewCMCProxyClient(cc *grpc.ClientConn) CMCProxyClient {
+	return &cMCProxyClient{cc}
+}
+
+func (c *cMCProxyClient) GetKVMData(ctx context.Context, in *GetKVMDataRequest, opts ...grpc.CallOption) (*GetKVMDataResponse, error) {
+	out := new(GetKVMDataResponse)
+	err := c.cc.Invoke(ctx, "/proto.CMCProxy/GetKVMData", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// CMCProxyServer is the server API for CMCProxy service.
+type CMCProxyServer interface {
+	GetKVMData(context.Context, *GetKVMDataRequest) (*GetKVMDataResponse, error)
+}
+
+func RegisterCMCProxyServer(s *grpc.Server, srv CMCProxyServer) {
+	s.RegisterService(&_CMCProxy_serviceDesc, srv)
+}
+
+func _CMCProxy_GetKVMData_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetKVMDataRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CMCProxyServer).GetKVMData(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.CMCProxy/GetKVMData",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CMCProxyServer).GetKVMData(ctx, req.(*GetKVMDataRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _CMCProxy_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "proto.CMCProxy",
+	HandlerType: (*CMCProxyServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetKVMData",
+			Handler:    _CMCProxy_GetKVMData_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "proxy.proto",
+}
diff --git a/proxy.proto b/proxy.proto
new file mode 100644
index 0000000..f34b905
--- /dev/null
+++ b/proxy.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package proto;
+
+message GetKVMDataRequest {
+    int64 blade_num = 1;
+}
+
+message GetKVMDataResponse {
+    repeated string arguments = 1;
+}
+
+service CMCProxy {
+    rpc GetKVMData(GetKVMDataRequest) returns (GetKVMDataResponse);
+}