Added more AWS metadata to /var/config
@@ -47,6 +47,25 @@ func (p *ProviderAWS) Extract() ([]byte, error) {
return nil, fmt.Errorf("AWS: Failed to write hostname: %s", err)
}
+ // public ipv4
+ awsMetaGet("public-ipv4", "public_ipv4", 0644)
+
+ // private ipv4
+ awsMetaGet("local-ipv4", "local_ipv4", 0644)
+
+ // availability zone
+ awsMetaGet("placement/availability-zone", "availability_zone", 0644)
+
+ // instance type
+ awsMetaGet("instance-type", "instance_type", 0644)
+
+ // instance-id
+ awsMetaGet("instance-id", "instance_id", 0644)
+
+ // local-hostname
+ awsMetaGet("local-hostname", "local_hostname", 0644)
+
+ // ssh
if err := p.handleSSH(); err != nil {
log.Printf("AWS: Failed to get ssh data: %s", err)
}
@@ -61,6 +80,21 @@ func (p *ProviderAWS) Extract() ([]byte, error) {
return userData, nil
}
+// lookup a value (lookupName) in aws metaservice and store in given fileName
+func awsMetaGet(lookupName string, fileName string, fileMode os.FileMode) {
+ if lookupValue, err := awsGet(metaDataURL + lookupName); err == nil {
+ // we got a value from the metadata server, now save to filesystem
+ err = ioutil.WriteFile(path.Join(ConfigPath, fileName), lookupValue, fileMode)
+ if err != nil {
+ // we couldn't save the file for some reason
+ log.Printf("AWS: Failed to write %s:%s %s", fileName, lookupValue, err)
+ }
+ } else {
+ // we did not get a value back from the metadata server
+ log.Printf("AWS: Failed to get %s: %s", lookupName, err)
+ }
+}
+
// awsGet requests and extracts the requested URL
func awsGet(url string) ([]byte, error) {
var client = &http.Client{
