test: Fix tests for Go 1.3

initialize/meta_data.go

@@ -1,6 +1,9 @@
 package initialize
 
-import "encoding/json"
+import (
+	"encoding/json"
+	"sort"
+)
 
 // ParseMetaData parses a JSON blob in the OpenStack metadata service format, and
 // converts it to a partially hydrated CloudConfig
@@ -22,8 +25,8 @@ func ParseMetaData(contents string) (*CloudConfig, error) {
 	var cfg CloudConfig
 	if len(metadata.SSHAuthorizedKeyMap) > 0 {
 		cfg.SSHAuthorizedKeys = make([]string, 0, len(metadata.SSHAuthorizedKeyMap))
-		for _, key := range metadata.SSHAuthorizedKeyMap {
-			cfg.SSHAuthorizedKeys = append(cfg.SSHAuthorizedKeys, key)
+		for _, name := range sortedKeys(metadata.SSHAuthorizedKeyMap) {
+			cfg.SSHAuthorizedKeys = append(cfg.SSHAuthorizedKeys, metadata.SSHAuthorizedKeyMap[name])
 		}
 	}
 	cfg.Hostname = metadata.Hostname
@@ -50,3 +53,11 @@ func ExtractIPsFromMetadata(contents []byte) (map[string]string, error) {
 	}
 	return m, nil
 }
+
+func sortedKeys(m map[string]string) (keys []string) {
+	for key := range m {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	return
+}

initialize/meta_data_test.go

@@ -14,7 +14,7 @@ func TestParseMetadata(t *testing.T) {
 		{`{"foo": "bar"}`, &CloudConfig{}, false},
 		{`{"network_config": {"content_path": "asdf"}}`, &CloudConfig{NetworkConfigPath: "asdf"}, false},
 		{`{"hostname": "turkleton"}`, &CloudConfig{Hostname: "turkleton"}, false},
-		{`{"public_keys": {"jack": "jill", "bob": "alice"}}`, &CloudConfig{SSHAuthorizedKeys: []string{"jill", "alice"}}, false},
+		{`{"public_keys": {"jack": "jill", "bob": "alice"}}`, &CloudConfig{SSHAuthorizedKeys: []string{"alice", "jill"}}, false},
 		{`{"unknown": "thing", "hostname": "my_host", "public_keys": {"do": "re", "mi": "fa"}, "network_config": {"content_path": "/root", "blah": "zzz"}}`, &CloudConfig{SSHAuthorizedKeys: []string{"re", "fa"}, Hostname: "my_host", NetworkConfigPath: "/root"}, false},
 	} {
 		got, err := ParseMetaData(tt.in)