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prep version notification and release channel structure

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This commit is contained in:
Justin McCarthy 2018-06-25 17:50:07 -07:00
parent 924dd25744
commit 3494bdce7b
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GPG Key ID: 900437410E142A48
1 changed files with 38 additions and 7 deletions
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45
internal/cli/app.go
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@ -6,6 +6,8 @@ import (
"io"
"io/ioutil"
"log"
"math/rand"
"net/http"
"os"
"os/exec"
"path/filepath"
@ -13,6 +15,8 @@ import (
"strconv"
"strings"
"time"
"unicode"
"unicode/utf8"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
@ -44,15 +48,15 @@ func newApp() *cli.App {
app.Usage = "policy compliance toolkit"
app.Commands = []cli.Command{
initCommand,
beforeCommand(initCommand, notifyVersion),
}
app.Commands = append(app.Commands, beforeCommand(buildCommand, projectMustExist))
app.Commands = append(app.Commands, beforeCommand(procedureCommand, projectMustExist))
app.Commands = append(app.Commands, beforeCommand(schedulerCommand, projectMustExist))
app.Commands = append(app.Commands, beforeCommand(serveCommand, projectMustExist))
app.Commands = append(app.Commands, beforeCommand(syncCommand, projectMustExist))
app.Commands = append(app.Commands, beforeCommand(todoCommand, projectMustExist))
app.Commands = append(app.Commands, beforeCommand(buildCommand, projectMustExist, notifyVersion))
app.Commands = append(app.Commands, beforeCommand(procedureCommand, projectMustExist, notifyVersion))
app.Commands = append(app.Commands, beforeCommand(schedulerCommand, projectMustExist, notifyVersion))
app.Commands = append(app.Commands, beforeCommand(serveCommand, projectMustExist, notifyVersion))
app.Commands = append(app.Commands, beforeCommand(syncCommand, projectMustExist, notifyVersion))
app.Commands = append(app.Commands, beforeCommand(todoCommand, projectMustExist, notifyVersion))
// Plugins
github.Register()
@ -101,6 +105,33 @@ func ticketingMustBeConfigured(c *cli.Context) error {
return nil
}
// notifyVersion asynchronously notifies the availability of version updates
func notifyVersion(c *cli.Context) error {
go func() {
defer func() {
recover() // suppress panic
}()
r, err := http.Get("http://comply-releases.s3.amazonaws.com/channel/stable/VERSION")
body, err := ioutil.ReadAll(r.Body)
if err != nil {
// fail silently
}
version := strings.TrimSpace(string(body))
// only when numeric versions are present
firstRune, _ := utf8.DecodeRuneInString(string(body))
if unicode.IsDigit(firstRune) && version != Version {
// only once every ~10 times
if rand.Intn(10) == 0 {
fmt.Fprintf(os.Stderr, "a new version of comply is available")
}
}
}()
return nil
}
func pandocMustExist(c *cli.Context) error {
eitherMustExistErr := fmt.Errorf("Please install either Docker or the pandoc package and re-run `%s`", c.Command.Name)