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Merge pull request #214 from docker/default_context_on_error 

When can not load config file, display a WARNING message, but continues with default context
This commit is contained in:
Guillaume Tardif 2020-06-15 11:48:03 +02:00 committed by GitHub
parent bc1b2b778a 98f7a8e1aa
commit ce321df236
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 15 deletions
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12
cli/main.go
View File

@ -148,10 +148,7 @@ func main() {
configDir := opts.Config configDir := opts.Config
ctx = config.WithDir(ctx, configDir) ctx = config.WithDir(ctx, configDir)
currentContext, err := determineCurrentContext(opts.Context, configDir) currentContext := determineCurrentContext(opts.Context, configDir)
if err != nil {
fatal(errors.Wrap(err, "unable to determine current context"))
}
s, err := store.New(store.WithRoot(configDir)) s, err := store.New(store.WithRoot(configDir))
if err != nil { if err != nil {
@ -200,19 +197,20 @@ func newSigContext() (context.Context, func()) {
return ctx, cancel return ctx, cancel
} }
func determineCurrentContext(flag string, configDir string) (string, error) { func determineCurrentContext(flag string, configDir string) string {
res := flag res := flag
if res == "" { if res == "" {
config, err := config.LoadFile(configDir) config, err := config.LoadFile(configDir)
if err != nil { if err != nil {
return "", err fmt.Fprintln(os.Stderr, errors.Wrap(err, "WARNING"))
return "default"
} }
res = config.CurrentContext res = config.CurrentContext
} }
if res == "" { if res == "" {
res = "default" res = "default"
} }
return res, nil return res
} }
func fatal(err error) { func fatal(err error) {

12
cli/main_test.go
View File

@ -56,23 +56,19 @@ func TestDetermineCurrentContext(t *testing.T) {
require.NoError(t, err) require.NoError(t, err)
// If nothing set, fallback to default // If nothing set, fallback to default
c, err := determineCurrentContext("", "") c := determineCurrentContext("", "")
require.NoError(t, err)
require.Equal(t, "default", c) require.Equal(t, "default", c)
// If context flag set, use that // If context flag set, use that
c, err = determineCurrentContext("other-context", "") c = determineCurrentContext("other-context", "")
require.NoError(t, err)
require.Equal(t, "other-context", c) require.Equal(t, "other-context", c)
// If no context flag, use config // If no context flag, use config
c, err = determineCurrentContext("", d) c = determineCurrentContext("", d)
require.NoError(t, err)
require.Equal(t, "some-context", c) require.Equal(t, "some-context", c)
// Ensure context flag overrides config // Ensure context flag overrides config
c, err = determineCurrentContext("other-context", d) c = determineCurrentContext("other-context", d)
require.NoError(t, err)
require.Equal(t, "other-context", c) require.Equal(t, "other-context", c)
} }