cmd/sync-containers: add a dry-run option.

Updates tailscale/corp#8461

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson 2022-12-19 18:19:54 -08:00 committed by Dave Anderson
parent e5fe205c31
commit a1ded4c166
1 changed files with 11 additions and 6 deletions

View File

@ -31,9 +31,10 @@ import (
)
var (
src = flag.String("src", "", "Source image")
dst = flag.String("dst", "", "Destination image")
max = flag.Int("max", 0, "Maximum number of tags to sync (0 for all tags)")
src = flag.String("src", "", "Source image")
dst = flag.String("dst", "", "Destination image")
max = flag.Int("max", 0, "Maximum number of tags to sync (0 for all tags)")
dryRun = flag.Bool("dry-run", true, "Don't actually sync anything")
)
func main() {
@ -69,9 +70,13 @@ func main() {
}
}
for _, tag := range add {
log.Printf("Syncing tag %q", tag)
if err := copyTag(*src, *dst, tag, opts...); err != nil {
log.Printf("Syncing tag %q: progress error: %v", tag, err)
if !*dryRun {
log.Printf("Syncing tag %q", tag)
if err := copyTag(*src, *dst, tag, opts...); err != nil {
log.Printf("Syncing tag %q: progress error: %v", tag, err)
}
} else {
log.Printf("Dry run: would sync tag %q", tag)
}
}