Add OCI hauler manifests. (#136)

* pull carbide flavored hauler manifests from reg
* remove temp constant
* remove temp hardcoding
* add comments for new sync flags
* fixes for version and registry serve
* band-aid for store info... needs love
* add sbom to info logic
* adjust a few text descriptions
* adjust tag names with +
* removed testing file

Signed-off-by: Adam Martin <adam.martin@rancherfederal.com>

internal/version/version.go

@@ -1,61 +1,229 @@
+/*
+Copyright 2022 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package version
 
 import (
 	"encoding/json"
 	"fmt"
-	"path"
+	"os"
 	"runtime"
+	"runtime/debug"
 	"strings"
+	"sync"
 	"text/tabwriter"
+	"time"
+
+	"github.com/common-nighthawk/go-figure"
 )
 
+const unknown = "unknown"
+
+// Base version information.
+//
+// This is the fallback data used when version information from git is not
+// provided via go ldflags.
 var (
-	GitVersion = "devel"
-	commit     = "unknown"
-	buildDate  = "unknown"
+	// Output of "git describe". The prerequisite is that the
+	// branch should be tagged using the correct versioning strategy.
+	gitVersion = "devel"
+	// SHA1 from git, output of $(git rev-parse HEAD)
+	gitCommit = unknown
+	// State of git tree, either "clean" or "dirty"
+	gitTreeState = unknown
+	// Build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ')
+	buildDate = unknown
+	// flag to print the ascii name banner
+	asciiName = "true"
+	// goVersion is the used golang version.
+	goVersion = unknown
+	// compiler is the used golang compiler.
+	compiler = unknown
+	// platform is the used os/arch identifier.
+	platform = unknown
+
+	once sync.Once
+	info = Info{}
 )
 
 type Info struct {
-	GitVersion string
-	GitCommit  string
-	BuildDate  string
+	GitVersion   string `json:"gitVersion"`
+	GitCommit    string `json:"gitCommit"`
+	GitTreeState string `json:"gitTreeState"`
+	BuildDate    string `json:"buildDate"`
+	GoVersion    string `json:"goVersion"`
+	Compiler     string `json:"compiler"`
+	Platform     string `json:"platform"`
 
-	GoVersion string
-	Compiler  string
-	Platform  string
+	ASCIIName   string `json:"-"`
+	FontName    string `json:"-"`
+	Name        string `json:"-"`
+	Description string `json:"-"`
 }
 
-func GetVersionInfo() Info {
-	return Info{
-		GitVersion: GitVersion,
-		GitCommit:  commit,
-		BuildDate:  buildDate,
-
-		GoVersion: runtime.Version(),
-		Compiler:  runtime.Compiler,
-		Platform:  path.Join(runtime.GOOS, runtime.GOARCH),
+func getBuildInfo() *debug.BuildInfo {
+	bi, ok := debug.ReadBuildInfo()
+	if !ok {
+		return nil
 	}
+	return bi
 }
 
-func (i Info) String() string {
+func getGitVersion(bi *debug.BuildInfo) string {
+	if bi == nil {
+		return unknown
+	}
+
+	// TODO: remove this when the issue https://github.com/golang/go/issues/29228 is fixed
+	if bi.Main.Version == "(devel)" || bi.Main.Version == "" {
+		return gitVersion
+	}
+
+	return bi.Main.Version
+}
+
+func getCommit(bi *debug.BuildInfo) string {
+	return getKey(bi, "vcs.revision")
+}
+
+func getDirty(bi *debug.BuildInfo) string {
+	modified := getKey(bi, "vcs.modified")
+	if modified == "true" {
+		return "dirty"
+	}
+	if modified == "false" {
+		return "clean"
+	}
+	return unknown
+}
+
+func getBuildDate(bi *debug.BuildInfo) string {
+	buildTime := getKey(bi, "vcs.time")
+	t, err := time.Parse("2006-01-02T15:04:05Z", buildTime)
+	if err != nil {
+		return unknown
+	}
+	return t.Format("2006-01-02T15:04:05")
+}
+
+func getKey(bi *debug.BuildInfo, key string) string {
+	if bi == nil {
+		return unknown
+	}
+	for _, iter := range bi.Settings {
+		if iter.Key == key {
+			return iter.Value
+		}
+	}
+	return unknown
+}
+
+// GetVersionInfo represents known information on how this binary was built.
+func GetVersionInfo() Info {
+	once.Do(func() {
+		buildInfo := getBuildInfo()
+		gitVersion = getGitVersion(buildInfo)
+		if gitCommit == unknown {
+			gitCommit = getCommit(buildInfo)
+		}
+
+		if gitTreeState == unknown {
+			gitTreeState = getDirty(buildInfo)
+		}
+
+		if buildDate == unknown {
+			buildDate = getBuildDate(buildInfo)
+		}
+
+		if goVersion == unknown {
+			goVersion = runtime.Version()
+		}
+
+		if compiler == unknown {
+			compiler = runtime.Compiler
+		}
+
+		if platform == unknown {
+			platform = fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)
+		}
+
+		info = Info{
+			ASCIIName:    asciiName,
+			GitVersion:   gitVersion,
+			GitCommit:    gitCommit,
+			GitTreeState: gitTreeState,
+			BuildDate:    buildDate,
+			GoVersion:    goVersion,
+			Compiler:     compiler,
+			Platform:     platform,
+		}
+	})
+
+	return info
+}
+
+// String returns the string representation of the version info
+func (i *Info) String() string {
 	b := strings.Builder{}
 	w := tabwriter.NewWriter(&b, 0, 0, 2, ' ', 0)
 
-	fmt.Fprintf(w, "GitVersion:\t%s\n", i.GitVersion)
-	fmt.Fprintf(w, "GitCommit:\t%s\n", i.GitCommit)
-	fmt.Fprintf(w, "BuildDate:\t%s\n", i.BuildDate)
-	fmt.Fprintf(w, "GoVersion:\t%s\n", i.GoVersion)
-	fmt.Fprintf(w, "Compiler:\t%s\n", i.Compiler)
-	fmt.Fprintf(w, "Platform:\t%s\n", i.Platform)
+	// name and description are optional.
+	if i.Name != "" {
+		if i.ASCIIName == "true" {
+			f := figure.NewFigure(strings.ToUpper(i.Name), i.FontName, true)
+			_, _ = fmt.Fprint(w, f.String())
+		}
+		_, _ = fmt.Fprint(w, i.Name)
+		if i.Description != "" {
+			_, _ = fmt.Fprintf(w, ": %s", i.Description)
+		}
+		_, _ = fmt.Fprint(w, "\n\n")
+	}
 
-	w.Flush()
+	_, _ = fmt.Fprintf(w, "GitVersion:\t%s\n", i.GitVersion)
+	_, _ = fmt.Fprintf(w, "GitCommit:\t%s\n", i.GitCommit)
+	_, _ = fmt.Fprintf(w, "GitTreeState:\t%s\n", i.GitTreeState)
+	_, _ = fmt.Fprintf(w, "BuildDate:\t%s\n", i.BuildDate)
+	_, _ = fmt.Fprintf(w, "GoVersion:\t%s\n", i.GoVersion)
+	_, _ = fmt.Fprintf(w, "Compiler:\t%s\n", i.Compiler)
+	_, _ = fmt.Fprintf(w, "Platform:\t%s\n", i.Platform)
+
+	_ = w.Flush()
 	return b.String()
 }
 
-func (i Info) JSONString() (string, error) {
+// JSONString returns the JSON representation of the version info
+func (i *Info) JSONString() (string, error) {
 	b, err := json.MarshalIndent(i, "", "  ")
 	if err != nil {
 		return "", err
 	}
+
 	return string(b), nil
 }
+
+func (i *Info) CheckFontName(fontName string) bool {
+	assetNames := figure.AssetNames()
+
+	for _, font := range assetNames {
+		if strings.Contains(font, fontName) {
+			return true
+		}
+	}
+
+	fmt.Fprintln(os.Stderr, "font not valid, using default")
+	return false
+}