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ignition
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internal/providers/vmware/vmware.go
76 строк
2 KB
yasminvalim
internal/providers: Ignore close() errors
07 авг 2025, 13:37
07 авг 2025, 13:37
cb60a7b
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// 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. // The vmware provider fetches a configuration from the VMware Guest Info // interface. package vmware import ( "compress/gzip" "encoding/base64" "fmt" "io" "strings" ) type config struct { data string encoding string } func decodeConfig(config config) ([]byte, error) { switch config.encoding { case "": return []byte(config.data), nil case "b64", "base64": return decodeBase64Data(config.data) case "gz", "gzip": return decodeGzipData(config.data) case "gz+base64", "gzip+base64", "gz+b64", "gzip+b64": gz, err := decodeBase64Data(config.data) if err != nil { return nil, err } return decodeGzipData(string(gz)) } return nil, fmt.Errorf("unsupported encoding %q", config.encoding) } func decodeBase64Data(data string) ([]byte, error) { decodedData, err := base64.StdEncoding.DecodeString(data) if err != nil { return nil, fmt.Errorf("unable to decode base64: %q", err) } return decodedData, nil } func decodeGzipData(data string) ([]byte, error) { reader, err := gzip.NewReader(strings.NewReader(data)) if err != nil { return nil, err } defer func() { _ = reader.Close() }() return io.ReadAll(reader) }