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package config |
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import ( |
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"fmt" |
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"io/ioutil" |
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"strings" |
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validation "github.com/go-ozzo/ozzo-validation/v4" |
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"gopkg.in/yaml.v3" |
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) |
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type fileConfiguration struct { |
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OpenAPI openapiConfiguration `json:"openapi" yaml:"openapi"` |
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HTTP httpConfiguration `json:"http" yaml:"http"` |
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Application applicationConfiguration `json:"application" yaml:"application"` |
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Generation generationConfiguration `json:"generation" yaml:"generation"` |
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} |
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type openapiConfiguration struct { |
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SpecificationURL string `json:"specification_url" yaml:"specification_url"` |
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urlFromEnv bool |
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} |
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type httpConfiguration struct { |
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Port *uint16 `json:"port" yaml:"port"` |
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CORSEnabled bool `json:"cors_enabled" yaml:"cors_enabled"` |
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ResponseTimeout float64 `json:"response_timeout" yaml:"response_timeout"` |
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} |
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type applicationConfiguration struct { |
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Debug bool `json:"debug" yaml:"debug"` |
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LogFormat string `json:"log_format" yaml:"log_format"` |
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LogLevel string `json:"log_level" yaml:"log_level"` |
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} |
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type generationConfiguration struct { |
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DefaultMinFloat *float64 `json:"default_min_float" yaml:"default_min_float"` |
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DefaultMaxFloat *float64 `json:"default_max_float" yaml:"default_max_float"` |
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DefaultMinInt *int64 `json:"default_min_int" yaml:"default_min_int"` |
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DefaultMaxInt *int64 `json:"default_max_int" yaml:"default_max_int"` |
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NullProbability *float64 `json:"null_probability" yaml:"null_probability"` |
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SuppressErrors bool `json:"suppress_errors" yaml:"suppress_errors"` |
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UseExamples string `json:"use_examples" yaml:"use_examples"` |
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} |
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func loadFileConfiguration(filename string) (*fileConfiguration, error) { |
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data, err := ioutil.ReadFile(filename) |
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if err != nil { |
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return nil, &ErrLoadFailed{Previous: err} |
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} |
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var fileConfig fileConfiguration |
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err = yaml.Unmarshal(data, &fileConfig) |
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if err != nil { |
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return nil, &ErrLoadFailed{Previous: err} |
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} |
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return &fileConfig, nil |
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} |
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var logFormats = []string{"tty", "json"} |
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var logLevels = []string{"panic", "fatal", "error", "warn", "warning", "info", "debug", "trace"} |
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var useExampleOptions = []string{"no", "if_present", "exclusively"} |
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var invalidLogFormat = fmt.Sprintf("must be one of: %s", strings.Join(logFormats, ", ")) |
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var invalidLogLevel = fmt.Sprintf("must be one of: %s", strings.Join(logLevels, ", ")) |
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var invalidUseExample = fmt.Sprintf("must be one of: %s", strings.Join(useExampleOptions, ", ")) |
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func stringsAsInterfaces(ss []string) []interface{} { |
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ii := make([]interface{}, len(ss)) |
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for i, s := range ss { |
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ii[i] = s |
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} |
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return ii |
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} |
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func (config *fileConfiguration) Validate() error { |
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return validation.Errors{ |
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"http.port": validation.Validate( |
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config.HTTP.Port, |
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validation.Required.When(config.HTTP.Port != nil), |
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validation.Min(uint16(1)), |
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validation.Max(uint16(65535)), |
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), |
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"application.log_format": validation.Validate( |
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config.Application.LogFormat, |
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validation.In(stringsAsInterfaces(logFormats)...).Error(invalidLogFormat), |
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), |
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"application.log_level": validation.Validate( |
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config.Application.LogLevel, |
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validation.In(stringsAsInterfaces(logLevels)...).Error(invalidLogLevel), |
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), |
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"generation.use_examples": validation.Validate( |
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config.Generation.UseExamples, |
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validation.In(stringsAsInterfaces(useExampleOptions)...).Error(invalidUseExample), |
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), |
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}.Filter() |
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} |
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muonsoft /
openapi-mock
