feat(vault): adding hashicorp vault cas

cas/apiv1/options.go

@@ -17,6 +17,7 @@ type Options struct {
 	// CertificateAuthority reference:
 	// In StepCAS the value is the CA url, e.g. "https://ca.smallstep.com:9000".
 	// In CloudCAS the format is "projects/*/locations/*/certificateAuthorities/*".
+	// In VaultCAS the value is the url, e.g. "https://vault.smallstep.com".
 	CertificateAuthority string `json:"certificateAuthority,omitempty"`
 
 	// CertificateAuthorityFingerprint is the root fingerprint used to

cas/apiv1/services.go

@@ -45,6 +45,8 @@ const (
 	CloudCAS = "cloudcas"
 	// StepCAS is a CertificateAuthorityService using another step-ca instance.
 	StepCAS = "stepcas"
+	// VaultCAS is a CertificateAuthorityService using Hasicorp Vault PKI.
+	VaultCAS = "vaultcas"
 )
 
 // String returns a string from the type. It will always return the lower case

cas/vaultcas/vaultcas.go

@@ -0,0 +1,322 @@
+package vaultcas
+
+import (
+	"context"
+	"crypto/x509"
+	"encoding/pem"
+	"strings"
+	"time"
+
+	"github.com/pkg/errors"
+	"github.com/smallstep/certificates/api"
+	"github.com/smallstep/certificates/cas/apiv1"
+
+	vault "github.com/hashicorp/vault/api"
+	auth "github.com/hashicorp/vault/api/auth/approle"
+	certutil "github.com/hashicorp/vault/sdk/helper/certutil"
+	mapstructure "github.com/mitchellh/mapstructure"
+)
+
+func init() {
+	apiv1.Register(apiv1.VaultCAS, func(ctx context.Context, opts apiv1.Options) (apiv1.CertificateAuthorityService, error) {
+		return New(ctx, opts)
+	})
+}
+
+type VaultOptions struct {
+	PKI             string `json:"pki,omitempty"`
+	PKIRole         string `json:"pkiRole,omitempty`
+	PKIRoleRSA      string `json:"pkiRoleRSA,omitempty`
+	PKIRoleEC       string `json:"pkiRoleEC,omitempty`
+	PKIRoleED25519  string `json:"PKIRoleED25519,omitempty`
+	RoleID          string `json:"roleID,omitempty"`
+	SecretID        string `json:"secretID,omitempty"`
+	AppRole         string `json:"appRole,omitempty"`
+	IsWrappingToken bool   `json:"isWrappingToken,omitempty"`
+}
+
+// VaultCAS implements a Certificate Authority Service using Hashicorp Vault.
+type VaultCAS struct {
+	client      *vault.Client
+	config      VaultOptions
+	fingerprint string
+}
+
+func loadOptions(config map[string]interface{}) (vc VaultOptions, err error) {
+	err = mapstructure.Decode(config, &vc)
+	if err != nil {
+		return vc, err
+	}
+
+	if vc.PKI == "" {
+		vc.PKI = "pki" // use default pki vault name
+	}
+
+	// pkirole or per key type must be defined
+	if vc.PKIRole == "" && vc.PKIRoleRSA == "" && vc.PKIRoleEC == "" && vc.PKIRoleED25519 == "" {
+		return vc, errors.New("loadOptions you must define a pki role")
+	}
+
+	// if pkirole is empty all others keys must be set
+	if vc.PKIRole == "" && (vc.PKIRoleRSA == "" || vc.PKIRoleEC == "" || vc.PKIRoleED25519 == "") {
+		return vc, errors.New("loadOptions if 'pkiRole' is empty, PKIRoleRSA, PKIRoleEC and PKIRoleED25519 cannot be empty")
+	}
+
+	// if pkirole is not empty, use it as default for unset keys
+	if vc.PKIRole != "" {
+		if vc.PKIRoleRSA == "" {
+			vc.PKIRoleRSA = vc.PKIRole
+		}
+		if vc.PKIRoleEC == "" {
+			vc.PKIRoleEC = vc.PKIRole
+		}
+		if vc.PKIRoleED25519 == "" {
+			vc.PKIRoleED25519 = vc.PKIRole
+		}
+	}
+
+	if vc.RoleID == "" {
+		return vc, errors.New("loadOptions 'roleID' cannot be empty")
+	}
+
+	if vc.SecretID == "" {
+		return vc, errors.New("loadOptions 'secretID' cannot be empty")
+	}
+
+	if vc.AppRole == "" {
+		vc.AppRole = "auth/approle"
+	}
+
+	return vc, nil
+}
+
+func getCertificateAndChain(certb certutil.CertBundle) (*x509.Certificate, []*x509.Certificate, error) {
+	cert, err := parseCertificate(certb.Certificate)
+	if err != nil {
+		return nil, nil, err
+	}
+	chain := make([]*x509.Certificate, len(certb.CAChain))
+	for i := range certb.CAChain {
+		chain[i], err = parseCertificate(certb.CAChain[i])
+		if err != nil {
+			return nil, nil, err
+		}
+	}
+	return cert, chain, nil
+}
+
+func parseCertificate(pemCert string) (*x509.Certificate, error) {
+	block, _ := pem.Decode([]byte(pemCert))
+	if block == nil {
+		return nil, errors.Errorf("parseCertificate: error decoding certificate: not a valid PEM encoded block '%v'", pemCert)
+	}
+	cert, err := x509.ParseCertificate(block.Bytes)
+	if err != nil {
+		return nil, errors.Wrap(err, "parseCertificate: error parsing certificate")
+	}
+	return cert, nil
+}
+
+func parseCertificateRequest(pemCsr string) (*x509.CertificateRequest, error) {
+	block, _ := pem.Decode([]byte(pemCsr))
+	if block == nil {
+		return nil, errors.New("error decoding certificate request: not a valid PEM encoded block")
+	}
+	cr, err := x509.ParseCertificateRequest(block.Bytes)
+	if err != nil {
+		return nil, errors.Wrap(err, "error parsing certificate request")
+	}
+	return cr, nil
+}
+
+func (v *VaultCAS) createCertificate(cr *x509.CertificateRequest, lifetime time.Duration) (*x509.Certificate, []*x509.Certificate, error) {
+	sans := make([]string, 0, len(cr.DNSNames)+len(cr.EmailAddresses)+len(cr.IPAddresses)+len(cr.URIs))
+	sans = append(sans, cr.DNSNames...)
+	sans = append(sans, cr.EmailAddresses...)
+	for _, ip := range cr.IPAddresses {
+		sans = append(sans, ip.String())
+	}
+	for _, u := range cr.URIs {
+		sans = append(sans, u.String())
+	}
+
+	commonName := cr.Subject.CommonName
+	if commonName == "" && len(sans) > 0 {
+		commonName = sans[0]
+	}
+
+	var vaultPKIRole string
+	csr := api.CertificateRequest{CertificateRequest: cr}
+
+	switch {
+	case csr.PublicKeyAlgorithm == x509.RSA:
+		vaultPKIRole = v.config.PKIRoleRSA
+	case csr.PublicKeyAlgorithm == x509.ECDSA:
+		vaultPKIRole = v.config.PKIRoleEC
+	case csr.PublicKeyAlgorithm == x509.Ed25519:
+		vaultPKIRole = v.config.PKIRoleED25519
+	default:
+		return nil, nil, errors.Errorf("createCertificate: Unsupported public key algorithm '%v'", csr.PublicKeyAlgorithm)
+	}
+
+	certPemBytes := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE REQUEST", Bytes: csr.Raw})
+	if certPemBytes == nil {
+		return nil, nil, errors.Errorf("createCertificate: Failed to encode pem '%v'", csr.Raw)
+	}
+
+	y := map[string]interface{}{
+		"csr":    string(certPemBytes),
+		"format": "pem_bundle",
+		"ttl":    lifetime.Seconds(),
+	}
+
+	secret, err := v.client.Logical().Write(v.config.PKI+"/sign/"+vaultPKIRole, y)
+	if err != nil {
+		return nil, nil, errors.Wrapf(err, "createCertificate: unable to sign certificate %v", y)
+	}
+	if secret == nil {
+		return nil, nil, errors.New("createCertificate: secret sign is empty")
+	}
+
+	var certBundle certutil.CertBundle
+
+	err = mapstructure.Decode(secret.Data, &certBundle)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// Return certificate and certificate chain
+	return getCertificateAndChain(certBundle)
+}
+
+// New creates a new CertificateAuthorityService implementation
+// using Hashicorp Vault
+func New(ctx context.Context, opts apiv1.Options) (*VaultCAS, error) {
+	if opts.CertificateAuthority == "" {
+		return nil, errors.New("vaultCAS 'certificateAuthority' cannot be empty")
+	}
+
+	if opts.CertificateAuthorityFingerprint == "" {
+		return nil, errors.New("vaultCAS 'certificateAuthorityFingerprint' cannot be empty")
+	}
+
+	vc, err := loadOptions(opts.Config)
+	if err != nil {
+		return nil, err
+	}
+
+	config := vault.DefaultConfig()
+	config.Address = opts.CertificateAuthority
+
+	client, err := vault.NewClient(config)
+	if err != nil {
+		return nil, errors.Wrap(err, "unable to initialize vault client")
+	}
+
+	var appRoleAuth *auth.AppRoleAuth
+	if vc.IsWrappingToken == true {
+		appRoleAuth, err = auth.NewAppRoleAuth(
+			vc.RoleID,
+			&auth.SecretID{FromString: vc.SecretID},
+			auth.WithWrappingToken(),
+			auth.WithMountPath(vc.AppRole),
+		)
+	} else {
+		appRoleAuth, err = auth.NewAppRoleAuth(
+			vc.RoleID,
+			&auth.SecretID{FromString: vc.SecretID},
+			auth.WithMountPath(vc.AppRole),
+		)
+	}
+	if err != nil {
+		return nil, errors.Wrap(err, "unable to initialize AppRole auth method")
+	}
+
+	authInfo, err := client.Auth().Login(ctx, appRoleAuth)
+	if err != nil {
+		return nil, errors.Wrap(err, "unable to login to AppRole auth method")
+	}
+	if authInfo == nil {
+		return nil, errors.New("no auth info was returned after login")
+	}
+
+	return &VaultCAS{
+		client:      client,
+		config:      vc,
+		fingerprint: opts.CertificateAuthorityFingerprint,
+	}, nil
+}
+
+// CreateCertificate signs a new certificate using Hashicorp Vault.
+func (v *VaultCAS) CreateCertificate(req *apiv1.CreateCertificateRequest) (*apiv1.CreateCertificateResponse, error) {
+	switch {
+	case req.CSR == nil:
+		return nil, errors.New("CreateCertificate: `CSR` cannot be nil")
+	case req.Lifetime == 0:
+		return nil, errors.New("CreateCertificate: `LIFETIME` cannot be 0")
+	}
+
+	cert, chain, err := v.createCertificate(req.CSR, req.Lifetime)
+	if err != nil {
+		return nil, err
+	}
+
+	return &apiv1.CreateCertificateResponse{
+		Certificate:      cert,
+		CertificateChain: chain,
+	}, nil
+}
+
+func (v *VaultCAS) GetCertificateAuthority(req *apiv1.GetCertificateAuthorityRequest) (*apiv1.GetCertificateAuthorityResponse, error) {
+	secret, err := v.client.Logical().Read(v.config.PKI + "/cert/ca")
+	if err != nil {
+		return nil, errors.Wrap(err, "GetCertificateAuthority: unable to read root")
+	}
+	if secret == nil {
+		return nil, errors.New("GetCertificateAuthority: secret root is empty")
+	}
+
+	var certBundle certutil.CertBundle
+
+	err = mapstructure.Decode(secret.Data, &certBundle)
+	if err != nil {
+		return nil, err
+	}
+
+	cert, _, err := getCertificateAndChain(certBundle)
+	if err != nil {
+		return nil, err
+	}
+	return &apiv1.GetCertificateAuthorityResponse{
+		RootCertificate: cert,
+	}, nil
+}
+
+// RenewCertificate will always return a non-implemented error as renewals
+// are not supported yet.
+func (v *VaultCAS) RenewCertificate(req *apiv1.RenewCertificateRequest) (*apiv1.RenewCertificateResponse, error) {
+	return nil, apiv1.ErrNotImplemented{Message: "vaultCAS does not support renewals"}
+}
+
+func (v *VaultCAS) RevokeCertificate(req *apiv1.RevokeCertificateRequest) (*apiv1.RevokeCertificateResponse, error) {
+	if req.SerialNumber == "" && req.Certificate == nil {
+		return nil, errors.New("RevokeCertificate `serialNumber` or `certificate` are required")
+	}
+
+	serialNumber := req.SerialNumber
+	if req.Certificate != nil {
+		serialNumber = req.Certificate.SerialNumber.String()
+	}
+
+	serialNumberDash := strings.ReplaceAll(serialNumber, ":", "-")
+
+	_, err := v.client.Logical().Write(v.config.PKI+"/revoke/"+serialNumberDash, nil)
+	if err != nil {
+		return nil, errors.Wrap(err, "RevokeCertificate unable to revoke certificate")
+	}
+
+	return &apiv1.RevokeCertificateResponse{
+		Certificate:      req.Certificate,
+		CertificateChain: nil,
+	}, nil
+}

cas/vaultcas/vaultcas_test.go

@@ -0,0 +1,235 @@
+package vaultcas
+
+import (
+	"context"
+	"crypto/x509"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"reflect"
+	"testing"
+	"time"
+
+	vault "github.com/hashicorp/vault/api"
+	"github.com/smallstep/certificates/cas/apiv1"
+)
+
+var (
+	testCertificateSigned = `-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----`
+	testCertificateCsrEc = `-----BEGIN CERTIFICATE REQUEST-----
+MIHoMIGPAgEAMA0xCzAJBgNVBAMTAkVDMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcD
+QgAEUVVVZGD6eUrB20T/qrjKZoYzseQ18AIm9jtUNpQn5hIClpdk2zKy5bja3iUa
+nmqRKCIz/B/MU55zuNDeckqqX6AgMB4GCSqGSIb3DQEJDjERMA8wDQYDVR0RBAYw
+BIICRUMwCgYIKoZIzj0EAwIDSAAwRQIhAJxpWyH7cctbzcnK1JBWDAmc/G61bq9y
+otHrQDfYvS8bAiBVGQz2cfO2SqhvkkQbOqWUFjk1wHzISvlTjyc3IJ7FLw==
+-----END CERTIFICATE REQUEST-----`
+	testCertificateCsrRsa = `-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----`
+	testCertificateCsrEd25519 = `-----BEGIN CERTIFICATE REQUEST-----
+MIGuMGICAQAwDjEMMAoGA1UEAxMDT0tQMCowBQYDK2VwAyEAopc6daK4zYR6BDAM
+pV/v53oR/ewbtrkHZQkN/amFMLagITAfBgkqhkiG9w0BCQ4xEjAQMA4GA1UdEQQH
+MAWCA09LUDAFBgMrZXADQQDJi47MAgl/WKAz+V/kDu1k/zbKk1nrHHAUonbofHUW
+M6ihSD43+awq3BPeyPbToeH5orSH9l3MuTfbxPb5BVEH
+-----END CERTIFICATE REQUEST-----`
+	testRootFingerprint = `e7678acf0d8de731262bce2fe792c48f19547285f5976805125a40867c77464e`
+)
+
+func mustParseCertificate(t *testing.T, pemCert string) *x509.Certificate {
+	t.Helper()
+	crt, err := parseCertificate(pemCert)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return crt
+}
+
+func mustParseCertificateRequest(t *testing.T, pemCert string) *x509.CertificateRequest {
+	t.Helper()
+	crt, err := parseCertificateRequest(pemCert)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return crt
+}
+
+func testCAHelper(t *testing.T) (*url.URL, *vault.Client) {
+	t.Helper()
+
+	writeJSON := func(w http.ResponseWriter, v interface{}) {
+		_ = json.NewEncoder(w).Encode(v)
+	}
+
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch {
+		case r.RequestURI == "/v1/auth/auth/approle/login":
+			w.WriteHeader(http.StatusOK)
+			fmt.Fprintf(w, `{
+				  "auth": {
+					"client_token": "98a4c7ab-b1fe-361b-ba0b-e307aacfd587"
+				  }
+				}`)
+		case r.RequestURI == "/v1/pki/sign/ec":
+			w.WriteHeader(http.StatusOK)
+			cert := map[string]interface{}{"data": map[string]interface{}{"certificate": testCertificateSigned}}
+			writeJSON(w, cert)
+			return
+		case r.RequestURI == "/v1/pki/sign/rsa":
+			w.WriteHeader(http.StatusOK)
+			cert := map[string]interface{}{"data": map[string]interface{}{"certificate": testCertificateSigned}}
+			writeJSON(w, cert)
+			return
+		case r.RequestURI == "/v1/pki/sign/ed25519":
+			w.WriteHeader(http.StatusOK)
+			cert := map[string]interface{}{"data": map[string]interface{}{"certificate": testCertificateSigned}}
+			writeJSON(w, cert)
+			return
+		default:
+			w.WriteHeader(http.StatusNotFound)
+			fmt.Fprintf(w, `{"error":"not found"}`)
+		}
+	}))
+	t.Cleanup(func() {
+		srv.Close()
+	})
+	u, err := url.Parse(srv.URL)
+	if err != nil {
+		srv.Close()
+		t.Fatal(err)
+	}
+
+	config := vault.DefaultConfig()
+	config.Address = srv.URL
+
+	client, err := vault.NewClient(config)
+	if err != nil {
+		srv.Close()
+		t.Fatal(err)
+	}
+
+	return u, client
+}
+
+func TestNew_register(t *testing.T) {
+	caURL, _ := testCAHelper(t)
+
+	fn, ok := apiv1.LoadCertificateAuthorityServiceNewFunc(apiv1.VaultCAS)
+	if !ok {
+		t.Errorf("apiv1.Register() ok = %v, want true", ok)
+		return
+	}
+	_, err := fn(context.Background(), apiv1.Options{
+		CertificateAuthority:            caURL.String(),
+		CertificateAuthorityFingerprint: testRootFingerprint,
+		Config: map[string]interface{}{
+			"PKI":             "pki",
+			"PKIRole":         "pki-role",
+			"RoleID":          "roleID",
+			"SecretID":        "secretID",
+			"IsWrappingToken": false,
+		},
+	})
+
+	if err != nil {
+		t.Errorf("New() error = %v", err)
+		return
+	}
+}
+
+func TestVaultCAS_CreateCertificate(t *testing.T) {
+	_, client := testCAHelper(t)
+
+	options := VaultOptions{
+		PKI:             "pki",
+		PKIRole:         "role",
+		PKIRoleRSA:      "rsa",
+		PKIRoleEC:       "ec",
+		PKIRoleED25519:  "ed25519",
+		RoleID:          "roleID",
+		SecretID:        "secretID",
+		AppRole:         "approle",
+		IsWrappingToken: false,
+	}
+
+	type fields struct {
+		client  *vault.Client
+		options VaultOptions
+	}
+
+	type args struct {
+		req *apiv1.CreateCertificateRequest
+	}
+
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		want    *apiv1.CreateCertificateResponse
+		wantErr bool
+	}{
+		{"ok ec", fields{client, options}, args{&apiv1.CreateCertificateRequest{
+			CSR:      mustParseCertificateRequest(t, testCertificateCsrEc),
+			Lifetime: time.Hour,
+		}}, &apiv1.CreateCertificateResponse{
+			Certificate:      mustParseCertificate(t, testCertificateSigned),
+			CertificateChain: []*x509.Certificate{},
+		}, false},
+		{"ok rsa", fields{client, options}, args{&apiv1.CreateCertificateRequest{
+			CSR:      mustParseCertificateRequest(t, testCertificateCsrRsa),
+			Lifetime: time.Hour,
+		}}, &apiv1.CreateCertificateResponse{
+			Certificate:      mustParseCertificate(t, testCertificateSigned),
+			CertificateChain: []*x509.Certificate{},
+		}, false},
+		{"ok ed25519", fields{client, options}, args{&apiv1.CreateCertificateRequest{
+			CSR:      mustParseCertificateRequest(t, testCertificateCsrEd25519),
+			Lifetime: time.Hour,
+		}}, &apiv1.CreateCertificateResponse{
+			Certificate:      mustParseCertificate(t, testCertificateSigned),
+			CertificateChain: []*x509.Certificate{},
+		}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := &VaultCAS{
+				client: tt.fields.client,
+				config: tt.fields.options,
+			}
+			got, err := c.CreateCertificate(tt.args.req)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("VaultCAS.CreateCertificate() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("VaultCAS.CreateCertificate() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

cmd/step-ca/main.go

@@ -40,6 +40,7 @@ import (
 	_ "github.com/smallstep/certificates/cas/cloudcas"
 	_ "github.com/smallstep/certificates/cas/softcas"
 	_ "github.com/smallstep/certificates/cas/stepcas"
+	_ "github.com/smallstep/certificates/cas/vaultcas"
 )
 
 // commit and buildTime are filled in during build by the Makefile

go.mod

@@ -21,9 +21,13 @@ require (
 	github.com/google/go-cmp v0.5.6
 	github.com/google/uuid v1.3.0
 	github.com/googleapis/gax-go/v2 v2.0.5
+	github.com/hashicorp/vault/api v1.3.1
+	github.com/hashicorp/vault/api/auth/approle v0.1.1
+	github.com/hashicorp/vault/sdk v0.3.0
 	github.com/mattn/go-colorable v0.1.8 // indirect
 	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/micromdm/scep/v2 v2.1.0
+	github.com/mitchellh/mapstructure v1.4.2
 	github.com/newrelic/go-agent v2.15.0+incompatible
 	github.com/pkg/errors v0.9.1
 	github.com/rs/xid v1.2.1
@@ -40,7 +44,7 @@ require (
 	golang.org/x/net v0.0.0-20211216030914-fe4d6282115f
 	google.golang.org/api v0.47.0
 	google.golang.org/genproto v0.0.0-20210719143636-1d5a45f8e492
-	google.golang.org/grpc v1.39.0
+	google.golang.org/grpc v1.41.0
 	google.golang.org/protobuf v1.27.1
 	gopkg.in/square/go-jose.v2 v2.6.0
 )

go.sum

@@ -25,18 +25,23 @@ cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNF
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
 cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0 h1:PQcPefKFdaIzjQFbiyOgAqyx8q5djaE7x9Sqe712DPA=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1 h1:ukjixP1wl0LpnZ6LWtZJ0mX5tBmjp1f8Sqer8Z2OMUU=
 cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0 h1:STgFzyU5/8miMl0//zKh2aQeTyeaUH3WN9bSUiJ09bA=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9 h1:VpgP7xuJadIUuKccphEpTJnWhS2jkQyMt6Y7pJCD7fY=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 filippo.io/edwards25519 v1.0.0-rc.1 h1:m0VOOB23frXZvAOK44usCgLWvtsxIoMCTBGJZlpmGfU=
 filippo.io/edwards25519 v1.0.0-rc.1/go.mod h1:N1IkdkCkiLB6tki+MYJoSx2JTY9NUlxZE7eHn5EwJns=
@@ -67,8 +72,13 @@ github.com/Azure/go-autorest/logger v0.2.0 h1:e4RVHVZKC5p6UANLJHkM4OfR1UKZPj8Wt8
 github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
 github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
 github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DataDog/datadog-go v3.2.0+incompatible h1:qSG2N4FghB1He/r2mFrWKCaL7dXCilEuNEeAn20fdD4=
+github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
+github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible h1:1G1pk05UrOh0NlF1oeaaix1x8XzrfjIDK47TY0Zehcw=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Masterminds/goutils v1.1.0/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
 github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
@@ -81,61 +91,87 @@ github.com/Masterminds/sprig/v3 v3.2.2 h1:17jRggJu518dr3QaafizSXOjKYp94wKfABxUmy
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+github.com/Shopify/sarama v1.19.0 h1:9oksLxC6uxVPHPVYUmq6xhr1BOF/hHobWH2UzO67z1s=
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+github.com/Shopify/toxiproxy v2.1.4+incompatible h1:TKdv8HiTLgE5wdJuEML90aBgNWsokNbMijUGhmcoBJc=
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@@ -228,11 +311,16 @@ github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LB
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@@ -268,9 +356,11 @@ github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx
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@@ -285,11 +375,15 @@ github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -302,7 +396,9 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
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@@ -601,6 +880,7 @@ go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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@@ -611,10 +891,15 @@ go.step.sm/linkedca v0.9.0 h1:xKXZoRXy4B7LeGBZozq62IQ0p3v8dT33O9UOMpVtRtI=
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+go.uber.org/multierr v1.3.0 h1:sFPn2GLc3poCkfrpIXGhBD2X0CMIo4Q/zSULXrj/+uc=
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
+go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
+go.uber.org/zap v1.13.0 h1:nR6NoDBgAf67s68NhaXbsojM+2gxp3S1hWkHDl27pVU=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -630,6 +915,7 @@ golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
+golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211202192323-5770296d904e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 h1:0es+/5331RGQPcXlMfP+WrnIIS6dNnNRe0WB02W0F4M=
@@ -643,8 +929,10 @@ golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
+golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6 h1:QE6XYQK6naiK1EPAe1g/ILLxN5RBoH5xkJk3CqlMI/Y=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -657,8 +945,10 @@ golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRu
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 h1:VLliZ0d+/avPrXXH+OakdXhpJuEoBZuwh1m2j7U6Iug=
 golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
+golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 h1:4+4C/Iv2U4fMZBiMCc98MG1In4gJY5YRhtpDNeDeHWs=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
@@ -668,8 +958,10 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20170726083632-f5079bd7f6f7/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180530234432-1e491301e022/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -742,6 +1034,7 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20170728174421-0f826bdd13b5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -767,6 +1060,7 @@ golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -809,6 +1103,7 @@ golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210915083310-ed5796bab164/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -833,6 +1128,8 @@ golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxb
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 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 h1:NusfzzA6yGQ+ua51ck7E3omNUX/JuqbFSaRGqU8CcLI=
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 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -890,13 +1187,16 @@ golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.7 h1:6j8CgantCy3yc8JGBqkDLMKWqZ0RDU2g1HVgacojGWQ=
 golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 h1:Ug9qvr1myri/zFN6xL17LSCBGFDnphBBhzmILHsM5TY=
 golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
+golang.zx2c4.com/wireguard/windows v0.5.1 h1:OnYw96PF+CsIMrqWo5QP3Q59q5hY1rFErk/yN3cS+JQ=
 golang.zx2c4.com/wireguard/windows v0.5.1/go.mod h1:EApyTk/ZNrkbZjurHL1nleDYnsPpJYBO7LZEBCyDAHk=
 google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
@@ -931,6 +1231,7 @@ google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCID
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/genproto v0.0.0-20170818010345-ee236bd376b0/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -976,6 +1277,7 @@ google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384/go.mod h1:P3QM42oQ
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/genproto v0.0.0-20210719143636-1d5a45f8e492 h1:7yQQsvnwjfEahbNNEKcBHv3mR+HnB1ctGY/z1JXzx8M=
 google.golang.org/genproto v0.0.0-20210719143636-1d5a45f8e492/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
+google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
@@ -1003,8 +1305,10 @@ google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAG
 google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.39.0 h1:Klz8I9kdtkIN6EpHHUOMLCYhTn/2WAe5a0s1hcBkdTI=
 google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
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@@ -1020,20 +1324,29 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
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