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pkg.go
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pkg.go
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package main
import (
"bytes"
"crypto/sha1"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"strconv"
"text/tabwriter"
"github.com/coreos-inc/updatectl/client/update/v1"
)
type MetadataFile struct {
MetadataSize string `json:"metadata_size"`
MetadataSignatureRsa string `json:"metadata_signature_rsa"`
}
var (
packageFlags struct {
appId StringFlag
version StringFlag
url string
file string
meta string
}
cmdPackage = &Command{
Name: "package",
Summary: "List or create packages for an application.",
Subcommands: []*Command{
cmdPackageList,
cmdPackageCreate,
},
}
cmdPackageList = &Command{
Name: "package list",
Usage: "[OPTION]...",
Description: `List all of the packages that exist including their metadata.`,
Run: packageList,
}
cmdPackageCreate = &Command{
Name: "package create",
Usage: "[OPTION]...",
Description: `Create a new package for an application.`,
Run: packageCreate,
}
)
func init() {
cmdPackageList.Flags.Var(&packageFlags.appId, "app-id", "Application to list the package of.")
cmdPackageCreate.Flags.Var(&packageFlags.appId, "app-id", "Application to add the package to.")
cmdPackageCreate.Flags.Var(&packageFlags.version, "version", "Application version associated with the package.")
cmdPackageCreate.Flags.StringVar(&packageFlags.url, "url", "", "Package URL.")
cmdPackageCreate.Flags.StringVar(&packageFlags.file, "file", "update.gz", "Package file.")
cmdPackageCreate.Flags.StringVar(&packageFlags.meta, "meta", "", "JSON file containing metadata.")
}
func packageCreate(args []string, service *update.Service, out *tabwriter.Writer) int {
if packageFlags.appId.Get() == nil ||
packageFlags.version.Get() == nil {
return ERROR_USAGE
}
file := packageFlags.file
info, err := os.Stat(file)
if err != nil {
log.Fatalf("stat of %s failed: %v", file, err)
}
content, err := ioutil.ReadFile(file)
if err != nil {
log.Fatalf("reading %s failed: %v", file, err)
}
file = packageFlags.meta
var meta MetadataFile
if file != "" {
content, err = ioutil.ReadFile(file)
if err != nil {
log.Fatalf("reading %s failed: %v", file, err)
}
err = json.Unmarshal(content, &meta)
if err != nil {
log.Fatalf("reading %s failed: %v", file, err)
}
}
var sha1base64 bytes.Buffer
encoder := base64.NewEncoder(base64.StdEncoding, &sha1base64)
sha1h := sha1.New()
io.Copy(sha1h, bytes.NewReader(content))
encoder.Write(sha1h.Sum(nil))
encoder.Close()
var sha256base64 bytes.Buffer
encoder = base64.NewEncoder(base64.StdEncoding, &sha256base64)
sha256h := sha256.New()
io.Copy(sha256h, bytes.NewReader(content))
encoder.Write(sha256h.Sum(nil))
encoder.Close()
pkg := &update.Package{
Url: packageFlags.url,
Size: strconv.FormatInt(info.Size(), 10),
Sha1Sum: sha1base64.String(),
Sha256Sum: sha256base64.String(),
MetadataSignatureRsa: meta.MetadataSignatureRsa,
MetadataSize: meta.MetadataSize,
}
jbytes, _ := json.MarshalIndent(pkg, "", " ")
fmt.Printf("%s\n", string(jbytes))
call := service.App.Package.Insert(packageFlags.appId.String(), packageFlags.version.String(), pkg)
pkg, err = call.Do()
if err != nil {
log.Fatal(err)
}
fmt.Fprintln(out, packageFlags.appId, packageFlags.version)
out.Flush()
return OK
}
func packageList(args []string, service *update.Service, out *tabwriter.Writer) int {
if packageFlags.appId.Get() == nil {
return ERROR_USAGE
}
call := service.App.Package.List(packageFlags.appId.String())
list, err := call.Do()
if err != nil {
log.Fatal(err)
}
fmt.Fprintln(out, "Version\tURL\tSize")
for _, pkg := range list.Items {
fmt.Fprintf(out, "%s\t%s\t%s\n", pkg.Version, pkg.Url, pkg.Size)
}
out.Flush()
return OK
}