233 lines
10 KiB
Go
233 lines
10 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"reflect"
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_ "github.com/jinzhu/gorm/dialects/mysql"
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_ "github.com/jinzhu/gorm/dialects/sqlite"
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"github.com/photoprism/photoprism/pkg/fs"
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"github.com/urfave/cli"
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"gopkg.in/yaml.v2"
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)
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// Database drivers (sql dialects).
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const (
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MySQL = "mysql"
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MariaDB = "mariadb"
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SQLite = "sqlite3"
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Postgres = "postgres" // TODO: Requires GORM 2.0 for generic column data types
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)
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// Options provides a struct in which application configuration is stored.
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// Application code must use functions to get config options, for two reasons:
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//
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// 1. Some options are computed and we don't want to leak implementation details (aims at reducing refactoring overhead).
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//
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// 2. Paths might actually be dynamic later (if we build a multi-user version).
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//
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// See https://github.com/photoprism/photoprism/issues/50#issuecomment-433856358
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type Options struct {
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Name string `json:"-"`
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Version string `json:"-"`
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Copyright string `json:"-"`
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Debug bool `yaml:"Debug" json:"Debug" flag:"debug"`
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Test bool `yaml:"-" json:"Test,omitempty" flag:"test"`
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Demo bool `yaml:"Demo" json:"-" flag:"demo"`
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Sponsor bool `yaml:"-" json:"-" flag:"sponsor"`
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Public bool `yaml:"Public" json:"-" flag:"public"`
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ReadOnly bool `yaml:"ReadOnly" json:"ReadOnly" flag:"read-only"`
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Experimental bool `yaml:"Experimental" json:"Experimental" flag:"experimental"`
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ConfigPath string `yaml:"ConfigPath" json:"-" flag:"config-path"`
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ConfigFile string `json:"-"`
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AdminPassword string `yaml:"AdminPassword" json:"-" flag:"admin-password"`
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OriginalsPath string `yaml:"OriginalsPath" json:"-" flag:"originals-path"`
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OriginalsLimit int64 `yaml:"OriginalsLimit" json:"OriginalsLimit" flag:"originals-limit"`
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ImportPath string `yaml:"ImportPath" json:"-" flag:"import-path"`
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StoragePath string `yaml:"StoragePath" json:"-" flag:"storage-path"`
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SidecarPath string `yaml:"SidecarPath" json:"-" flag:"sidecar-path"`
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TempPath string `yaml:"TempPath" json:"-" flag:"temp-path"`
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BackupPath string `yaml:"BackupPath" json:"-" flag:"backup-path"`
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AssetsPath string `yaml:"AssetsPath" json:"-" flag:"assets-path"`
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CachePath string `yaml:"CachePath" json:"-" flag:"cache-path"`
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Workers int `yaml:"Workers" json:"Workers" flag:"workers"`
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WakeupInterval int `yaml:"WakeupInterval" json:"WakeupInterval" flag:"wakeup-interval"`
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AutoIndex int `yaml:"AutoIndex" json:"AutoIndex" flag:"auto-index"`
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AutoImport int `yaml:"AutoImport" json:"AutoImport" flag:"auto-import"`
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DisableBackups bool `yaml:"DisableBackups" json:"DisableBackups" flag:"disable-backups"`
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DisableWebDAV bool `yaml:"DisableWebDAV" json:"DisableWebDAV" flag:"disable-webdav"`
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DisableSettings bool `yaml:"DisableSettings" json:"-" flag:"disable-settings"`
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DisablePlaces bool `yaml:"DisablePlaces" json:"DisablePlaces" flag:"disable-places"`
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DisableExifTool bool `yaml:"DisableExifTool" json:"DisableExifTool" flag:"disable-exiftool"`
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DisableTensorFlow bool `yaml:"DisableTensorFlow" json:"DisableTensorFlow" flag:"disable-tensorflow"`
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DisableDarktable bool `yaml:"DisableDarktable" json:"DisableDarktable" flag:"disable-darktable"`
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DisableRawtherapee bool `yaml:"DisableRawtherapee" json:"DisableRawtherapee" flag:"disable-rawtherapee"`
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DisableSips bool `yaml:"DisableSips" json:"DisableSips" flag:"disable-sips"`
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DisableHeifConvert bool `yaml:"DisableHeifConvert" json:"DisableHeifConvert" flag:"disable-heifconvert"`
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DisableFFmpeg bool `yaml:"DisableFFmpeg" json:"DisableFFmpeg" flag:"disable-ffmpeg"`
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DetectNSFW bool `yaml:"DetectNSFW" json:"DetectNSFW" flag:"detect-nsfw"`
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UploadNSFW bool `yaml:"UploadNSFW" json:"-" flag:"upload-nsfw"`
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LogLevel string `yaml:"LogLevel" json:"-" flag:"log-level"`
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LogFilename string `yaml:"LogFilename" json:"-" flag:"log-filename"`
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PIDFilename string `yaml:"PIDFilename" json:"-" flag:"pid-filename"`
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CdnUrl string `yaml:"CdnUrl" json:"CdnUrl" flag:"cdn-url"`
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SiteUrl string `yaml:"SiteUrl" json:"SiteUrl" flag:"site-url"`
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SitePreview string `yaml:"SitePreview" json:"SitePreview" flag:"site-preview"`
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SiteTitle string `yaml:"SiteTitle" json:"SiteTitle" flag:"site-title"`
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SiteCaption string `yaml:"SiteCaption" json:"SiteCaption" flag:"site-caption"`
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SiteDescription string `yaml:"SiteDescription" json:"SiteDescription" flag:"site-description"`
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SiteAuthor string `yaml:"SiteAuthor" json:"SiteAuthor" flag:"site-author"`
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DatabaseDriver string `yaml:"DatabaseDriver" json:"-" flag:"database-driver"`
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DatabaseDsn string `yaml:"DatabaseDsn" json:"-" flag:"database-dsn"`
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DatabaseServer string `yaml:"DatabaseServer" json:"-" flag:"database-server"`
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DatabaseName string `yaml:"DatabaseName" json:"-" flag:"database-name"`
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DatabaseUser string `yaml:"DatabaseUser" json:"-" flag:"database-user"`
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DatabasePassword string `yaml:"DatabasePassword" json:"-" flag:"database-password"`
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DatabaseConns int `yaml:"DatabaseConns" json:"-" flag:"database-conns"`
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DatabaseConnsIdle int `yaml:"DatabaseConnsIdle" json:"-" flag:"database-conns-idle"`
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HttpHost string `yaml:"HttpHost" json:"-" flag:"http-host"`
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HttpPort int `yaml:"HttpPort" json:"-" flag:"http-port"`
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HttpMode string `yaml:"HttpMode" json:"-" flag:"http-mode"`
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HttpCompression string `yaml:"HttpCompression" json:"-" flag:"http-compression"`
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RawPresets bool `yaml:"RawPresets" json:"RawPresets" flag:"raw-presets"`
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DarktableBin string `yaml:"DarktableBin" json:"-" flag:"darktable-bin"`
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RawtherapeeBin string `yaml:"RawtherapeeBin" json:"-" flag:"rawtherapee-bin"`
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SipsBin string `yaml:"SipsBin" json:"-" flag:"sips-bin"`
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HeifConvertBin string `yaml:"HeifConvertBin" json:"-" flag:"heifconvert-bin"`
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FFmpegBin string `yaml:"FFmpegBin" json:"-" flag:"ffmpeg-bin"`
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FFmpegEncoder string `yaml:"FFmpegEncoder" json:"FFmpegEncoder" flag:"ffmpeg-encoder"`
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FFmpegBitrate int `yaml:"FFmpegBitrate" json:"FFmpegBitrate" flag:"ffmpeg-bitrate"`
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FFmpegBuffers int `yaml:"FFmpegBuffers" json:"FFmpegBuffers" flag:"ffmpeg-buffers"`
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ExifToolBin string `yaml:"ExifToolBin" json:"-" flag:"exiftool-bin"`
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DetachServer bool `yaml:"DetachServer" json:"-" flag:"detach-server"`
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DownloadToken string `yaml:"DownloadToken" json:"-" flag:"download-token"`
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PreviewToken string `yaml:"PreviewToken" json:"-" flag:"preview-token"`
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ThumbFilter string `yaml:"ThumbFilter" json:"ThumbFilter" flag:"thumb-filter"`
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ThumbUncached bool `yaml:"ThumbUncached" json:"ThumbUncached" flag:"thumb-uncached"`
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ThumbSize int `yaml:"ThumbSize" json:"ThumbSize" flag:"thumb-size"`
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ThumbSizeUncached int `yaml:"ThumbSizeUncached" json:"ThumbSizeUncached" flag:"thumb-size-uncached"`
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JpegSize int `yaml:"JpegSize" json:"JpegSize" flag:"jpeg-size"`
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JpegQuality int `yaml:"JpegQuality" json:"JpegQuality" flag:"jpeg-quality"`
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}
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// NewOptions creates a new configuration entity by using two methods:
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//
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// 1. Load: This will initialize options from a yaml config file.
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//
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// 2. SetContext: Which comes after Load and overrides
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// any previous options giving an option two override file configs through the CLI.
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func NewOptions(ctx *cli.Context) *Options {
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c := &Options{}
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if ctx == nil {
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return c
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}
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c.Name = ctx.App.Name
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c.Copyright = ctx.App.Copyright
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c.Version = ctx.App.Version
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c.ConfigFile = fs.Abs(ctx.GlobalString("config-file"))
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if err := c.Load(c.ConfigFile); err != nil {
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log.Debug(err)
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}
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if err := c.SetContext(ctx); err != nil {
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log.Error(err)
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}
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return c
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}
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// expandFilenames converts path in config to absolute path
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func (c *Options) expandFilenames() {
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c.ConfigPath = fs.Abs(c.ConfigPath)
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c.StoragePath = fs.Abs(c.StoragePath)
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c.BackupPath = fs.Abs(c.BackupPath)
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c.AssetsPath = fs.Abs(c.AssetsPath)
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c.CachePath = fs.Abs(c.CachePath)
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c.OriginalsPath = fs.Abs(c.OriginalsPath)
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c.ImportPath = fs.Abs(c.ImportPath)
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c.TempPath = fs.Abs(c.TempPath)
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c.PIDFilename = fs.Abs(c.PIDFilename)
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c.LogFilename = fs.Abs(c.LogFilename)
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}
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// Load uses a yaml config file to initiate the configuration entity.
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func (c *Options) Load(fileName string) error {
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if fileName == "" {
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return nil
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}
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if !fs.FileExists(fileName) {
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return errors.New(fmt.Sprintf("config: %s not found", fileName))
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}
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yamlConfig, err := ioutil.ReadFile(fileName)
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if err != nil {
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return err
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}
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return yaml.Unmarshal(yamlConfig, c)
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}
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// SetContext uses options from the CLI to setup configuration overrides
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// for the entity.
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func (c *Options) SetContext(ctx *cli.Context) error {
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v := reflect.ValueOf(c).Elem()
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// Iterate through all config fields.
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for i := 0; i < v.NumField(); i++ {
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fieldValue := v.Field(i)
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tagValue := v.Type().Field(i).Tag.Get("flag")
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// Automatically assign options to fields with "flag" tag.
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if tagValue != "" {
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switch t := fieldValue.Interface().(type) {
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case int, int64:
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// Only if explicitly set or current value is empty (use default).
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if ctx.IsSet(tagValue) {
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f := ctx.Int64(tagValue)
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fieldValue.SetInt(f)
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} else if ctx.GlobalIsSet(tagValue) || fieldValue.Int() == 0 {
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f := ctx.GlobalInt64(tagValue)
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fieldValue.SetInt(f)
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}
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case uint, uint64:
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// Only if explicitly set or current value is empty (use default).
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if ctx.IsSet(tagValue) {
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f := ctx.Uint64(tagValue)
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fieldValue.SetUint(f)
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} else if ctx.GlobalIsSet(tagValue) || fieldValue.Uint() == 0 {
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f := ctx.GlobalUint64(tagValue)
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fieldValue.SetUint(f)
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}
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case string:
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// Only if explicitly set or current value is empty (use default)
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if ctx.IsSet(tagValue) {
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f := ctx.String(tagValue)
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fieldValue.SetString(f)
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} else if ctx.GlobalIsSet(tagValue) || fieldValue.String() == "" {
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f := ctx.GlobalString(tagValue)
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fieldValue.SetString(f)
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}
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case bool:
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if ctx.IsSet(tagValue) {
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f := ctx.Bool(tagValue)
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fieldValue.SetBool(f)
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} else if ctx.GlobalIsSet(tagValue) {
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f := ctx.GlobalBool(tagValue)
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fieldValue.SetBool(f)
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}
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default:
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log.Warnf("can't assign value of type %s from cli flag %s", t, tagValue)
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}
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}
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}
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return nil
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}
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