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@ -19,10 +19,13 @@ package madmin |
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import ( |
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"encoding/json" |
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"errors" |
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"fmt" |
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"io" |
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"io/ioutil" |
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"net/http" |
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"github.com/minio/minio/pkg/quick" |
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) |
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// NodeSummary - represents the result of an operation part of
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@ -65,15 +68,41 @@ func (adm *AdminClient) GetConfig() ([]byte, error) { |
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// SetConfig - set config supplied as config.json for the setup.
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func (adm *AdminClient) SetConfig(config io.Reader) (r SetConfigResult, err error) { |
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const maxConfigJSONSize = 256 * 1024 // 256KiB
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if !adm.secure { // No TLS?
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return r, fmt.Errorf("credentials/configuration cannot be updated over an insecure connection") |
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} |
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// Read config bytes to calculate MD5, SHA256 and content length.
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configBytes, err := ioutil.ReadAll(config) |
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if err != nil { |
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// Read configuration bytes
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configBuf := make([]byte, maxConfigJSONSize+1) |
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n, err := io.ReadFull(config, configBuf) |
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if err == nil { |
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return r, fmt.Errorf("too large file") |
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} |
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if err != io.ErrUnexpectedEOF { |
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return r, err |
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} |
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configBytes := configBuf[:n] |
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type configVersion struct { |
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Version string `json:"version,omitempty"` |
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} |
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var cfg configVersion |
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// Check if read data is in json format
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if err = json.Unmarshal(configBytes, &cfg); err != nil { |
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return r, errors.New("Invalid JSON format: " + err.Error()) |
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} |
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// Check if the provided json file has "version" key set
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if cfg.Version == "" { |
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return r, errors.New("Missing or unset \"version\" key in json file") |
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} |
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// Validate there are no duplicate keys in the JSON
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if err = quick.CheckDuplicateKeys(string(configBytes)); err != nil { |
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return r, errors.New("Duplicate key in json file: " + err.Error()) |
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} |
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reqData := requestData{ |
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relPath: "/v1/config", |
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