build: enhance warning message when no output specified

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
This commit is contained in:
CrazyMax
2022-06-03 19:26:16 +02:00
parent 66a764f9c1
commit 1cb1ee018b
2 changed files with 23 additions and 4 deletions

View File

@ -2,6 +2,7 @@ package build
import (
"bufio"
"bytes"
"context"
"crypto/rand"
"encoding/hex"
@ -75,6 +76,9 @@ type Options struct {
Tags []string
Target string
Ulimits *opts.UlimitOpt
// Linked marks this target as exclusively linked (not requested by the user).
Linked bool
}
type Inputs struct {
@ -630,12 +634,22 @@ func Build(ctx context.Context, drivers []DriverInfo, opt map[string]Options, do
}
if noMobyDriver != nil && !noDefaultLoad() {
for _, opt := range opt {
if len(opt.Exports) == 0 {
logrus.Warnf("No output specified for %s driver. Build result will only remain in the build cache. To push result image into registry use --push or to load image into docker use --load", noMobyDriver.Factory().Name())
break
var noOutputTargets []string
for name, opt := range opt {
if !opt.Linked && len(opt.Exports) == 0 {
noOutputTargets = append(noOutputTargets, name)
}
}
if len(noOutputTargets) > 0 {
var warnNoOutputBuf bytes.Buffer
warnNoOutputBuf.WriteString("No output specified ")
if len(noOutputTargets) == 1 && noOutputTargets[0] == "default" {
warnNoOutputBuf.WriteString(fmt.Sprintf("with %s driver", noMobyDriver.Factory().Name()))
} else {
warnNoOutputBuf.WriteString(fmt.Sprintf("for %s target(s) with %s driver", strings.Join(noOutputTargets, ", "), noMobyDriver.Factory().Name()))
}
logrus.Warnf("%s. Build result will only remain in the build cache. To push result image into registry use --push or to load image into docker use --load", warnNoOutputBuf.String())
}
}
m, clients, err := resolveDrivers(ctx, drivers, opt, w)