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Allow specifying a set of metadata providers

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run with `cmd: ["metadata", "aws"]` to just check for AWS metadata for example.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2017-08-17 14:43:59 +01:00
parent fb9805eac5
commit 9d8f1bd900
1 changed files with 19 additions and 5 deletions
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24
pkg/metadata/main.go
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@ -40,12 +40,26 @@ var netProviders []Provider
// cdromProviders is a list of Providers offering metadata/userdata data via CDROM
var cdromProviders []Provider
func init() {
netProviders = []Provider{NewGCP(), NewVultr(), NewAWS()}
cdromProviders = ListCDROMs()
}
func main() {
providers := []string{"aws", "gcp", "vultr", "cdrom"}
if len(os.Args) > 1 {
providers = os.Args[1:]
}
for _, p := range providers {
switch p {
case "aws":
netProviders = append(netProviders, NewAWS())
case "gcp":
netProviders = append(netProviders, NewGCP())
case "vultr":
netProviders = append(netProviders, NewVultr())
case "cdrom":
cdromProviders = ListCDROMs()
default:
log.Fatalf("Unrecognised metadata provider: %s", p)
}
}
if err := os.MkdirAll(ConfigPath, 0755); err != nil {
log.Fatalf("Could not create %s: %s", ConfigPath, err)
}