cloudinit/network/debian.go
Alex Crawford 650a239fdb metadata: simplify merging of metadata
Add an internal field for CloudConfig to make it easier to distinguish.
Instead of creating two CloudConfigs and merging them, just merge the
metadata into the existing CloudConfig.
2015-01-26 16:08:26 -08:00

64 lines
1.6 KiB
Go

// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package network
import (
"log"
"strings"
)
func ProcessDebianNetconf(config []byte) ([]InterfaceGenerator, error) {
log.Println("Processing Debian network config")
lines := formatConfig(string(config))
stanzas, err := parseStanzas(lines)
if err != nil {
return nil, err
}
interfaces := make([]*stanzaInterface, 0, len(stanzas))
for _, stanza := range stanzas {
switch s := stanza.(type) {
case *stanzaInterface:
interfaces = append(interfaces, s)
}
}
log.Printf("Parsed %d network interfaces\n", len(interfaces))
log.Println("Processed Debian network config")
return buildInterfaces(interfaces), nil
}
func formatConfig(config string) []string {
lines := []string{}
config = strings.Replace(config, "\\\n", "", -1)
for config != "" {
split := strings.SplitN(config, "\n", 2)
line := strings.TrimSpace(split[0])
if len(split) == 2 {
config = split[1]
} else {
config = ""
}
if strings.HasPrefix(line, "#") || line == "" {
continue
}
lines = append(lines, line)
}
return lines
}