Vendor cfssl and cfssljson

vendor/github.com/cloudflare/cfssl/cli/version/BUILD

@@ -0,0 +1,27 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "version.go",
+        "version_dev.go",
+    ],
+    importmap = "k8s.io/kubernetes/vendor/github.com/cloudflare/cfssl/cli/version",
+    importpath = "github.com/cloudflare/cfssl/cli/version",
+    visibility = ["//visibility:public"],
+    deps = ["//vendor/github.com/cloudflare/cfssl/cli:go_default_library"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/github.com/cloudflare/cfssl/cli/version/version.go

@@ -0,0 +1,42 @@
+// Package version implements the version command.
+package version
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/cloudflare/cfssl/cli"
+)
+
+// Version stores the semantic versioning information for CFSSL.
+var version = struct {
+	Major    int
+	Minor    int
+	Patch    int
+	Revision string
+}{1, 3, 0, "release"}
+
+func versionString() string {
+	return fmt.Sprintf("%d.%d.%d", version.Major, version.Minor, version.Patch)
+}
+
+// Usage text for 'cfssl version'
+var versionUsageText = `cfssl version -- print out the version of CF SSL
+
+Usage of version:
+	cfssl version
+`
+
+// FormatVersion returns the formatted version string.
+func FormatVersion() string {
+	return fmt.Sprintf("Version: %s\nRevision: %s\nRuntime: %s\n", versionString(), version.Revision, runtime.Version())
+}
+
+// The main functionality of 'cfssl version' is to print out the version info.
+func versionMain(args []string, c cli.Config) (err error) {
+	fmt.Printf("%s", FormatVersion())
+	return nil
+}
+
+// Command assembles the definition of Command 'version'
+var Command = &cli.Command{UsageText: versionUsageText, Flags: nil, Main: versionMain}

vendor/github.com/cloudflare/cfssl/cli/version/version_dev.go

@@ -0,0 +1,7 @@
+// +build !release
+
+package version
+
+func init() {
+	version.Revision = "dev"
+}