mirror of
https://github.com/anchore/syft
synced 2024-11-10 06:14:16 +00:00
add poweruser concerns to the application config
Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
This commit is contained in:
Alex Goodman
parent
ff4ed40d50
commit
f22d7d23c1
8 changed files with 265 additions and 228 deletions
13
internal/config/anchore.go
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13
internal/config/anchore.go
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@ -0,0 +1,13 @@
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package config
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type anchore struct {
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// upload options
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Host string `yaml:"host" json:"host" mapstructure:"host"` // -H , hostname of the engine/enterprise instance to upload to (setting this value enables upload)
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Path string `yaml:"path" json:"path" mapstructure:"path"` // override the engine/enterprise API upload path
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// IMPORTANT: do not show the username in any YAML/JSON output (sensitive information)
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Username string `yaml:"-" json:"-" mapstructure:"username"` // -u , username to authenticate upload
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// IMPORTANT: do not show the password in any YAML/JSON output (sensitive information)
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Password string `yaml:"-" json:"-" mapstructure:"password"` // -p , password to authenticate upload
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Dockerfile string `yaml:"dockerfile" json:"dockerfile" mapstructure:"dockerfile"` // -d , dockerfile to attach for upload
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OverwriteExistingImage bool `yaml:"overwrite-existing-image" json:"overwrite-existing-image" mapstructure:"overwrite-existing-image"` // --overwrite-existing-image , if any of the SBOM components have already been uploaded this flag will ensure they are overwritten with the current upload
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}
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181
internal/config/application.go
Normal file
181
internal/config/application.go
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@ -0,0 +1,181 @@
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package config
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import (
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"fmt"
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"path"
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"strings"
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"github.com/anchore/syft/syft/source"
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"github.com/adrg/xdg"
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"github.com/anchore/syft/internal"
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"github.com/mitchellh/go-homedir"
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"github.com/sirupsen/logrus"
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"github.com/spf13/viper"
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"gopkg.in/yaml.v2"
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)
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// Application is the main syft application configuration.
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type Application struct {
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ConfigPath string `yaml:",omitempty" json:"configPath"` // the location where the application config was read from (either from -c or discovered while loading)
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Output string `yaml:"output" json:"output" mapstructure:"output"` // -o, the Presenter hint string to use for report formatting
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Quiet bool `yaml:"quiet" json:"quiet" mapstructure:"quiet"` // -q, indicates to not show any status output to stderr (ETUI or logging UI)
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Log logging `yaml:"log" json:"log" mapstructure:"log"` // all logging-related options
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CliOptions CliOnlyOptions `yaml:"-" json:"-"` // all options only available through the CLI (not via env vars or config)
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Dev Development `yaml:"dev" json:"dev" mapstructure:"dev"`
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CheckForAppUpdate bool `yaml:"check-for-app-update" json:"check-for-app-update" mapstructure:"check-for-app-update"` // whether to check for an application update on start up or not
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Anchore anchore `yaml:"anchore" json:"anchore" mapstructure:"anchore"` // options for interacting with Anchore Engine/Enterprise
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Packages Packages `yaml:"packages" json:"packages" mapstructure:"packages"`
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FileMetadata FileMetadata `yaml:"file-metadata" json:"file-metadata" mapstructure:"file-metadata"`
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}
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// LoadApplicationConfig populates the given viper object with application configuration discovered on disk
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func LoadApplicationConfig(v *viper.Viper, cliOpts CliOnlyOptions) (*Application, error) {
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// the user may not have a config, and this is OK, we can use the default config + default cobra cli values instead
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setNonCliDefaultAppConfigValues(v)
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_ = readConfig(v, cliOpts.ConfigPath)
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config := &Application{
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CliOptions: cliOpts,
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}
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if err := v.Unmarshal(config); err != nil {
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return nil, fmt.Errorf("unable to parse config: %w", err)
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}
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config.ConfigPath = v.ConfigFileUsed()
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if err := config.build(); err != nil {
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return nil, fmt.Errorf("invalid application config: %w", err)
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}
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return config, nil
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}
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// build inflates simple config values into syft native objects (or other complex objects) after the config is fully read in.
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func (cfg *Application) build() error {
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if cfg.Quiet {
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// TODO: this is bad: quiet option trumps all other logging options
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// we should be able to quiet the console logging and leave file logging alone...
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// ... this will be an enhancement for later
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cfg.Log.LevelOpt = logrus.PanicLevel
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} else {
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if cfg.Log.Level != "" {
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if cfg.CliOptions.Verbosity > 0 {
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return fmt.Errorf("cannot explicitly set log level (cfg file or env var) and use -v flag together")
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}
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lvl, err := logrus.ParseLevel(strings.ToLower(cfg.Log.Level))
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if err != nil {
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return fmt.Errorf("bad log level configured (%q): %w", cfg.Log.Level, err)
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}
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// set the log level explicitly
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cfg.Log.LevelOpt = lvl
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} else {
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// set the log level implicitly
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switch v := cfg.CliOptions.Verbosity; {
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case v == 1:
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cfg.Log.LevelOpt = logrus.InfoLevel
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case v >= 2:
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cfg.Log.LevelOpt = logrus.DebugLevel
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default:
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cfg.Log.LevelOpt = logrus.WarnLevel
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}
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}
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}
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if cfg.Anchore.Host == "" && cfg.Anchore.Dockerfile != "" {
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return fmt.Errorf("cannot provide dockerfile option without enabling upload")
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}
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for _, builder := range []func() error{
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cfg.Packages.build,
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cfg.FileMetadata.build,
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} {
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if err := builder(); err != nil {
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return err
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}
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}
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return nil
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}
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func (cfg Application) String() string {
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// yaml is pretty human friendly (at least when compared to json)
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appCfgStr, err := yaml.Marshal(&cfg)
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if err != nil {
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return err.Error()
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}
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return string(appCfgStr)
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}
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// readConfig attempts to read the given config path from disk or discover an alternate store location
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func readConfig(v *viper.Viper, configPath string) error {
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v.AutomaticEnv()
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v.SetEnvPrefix(internal.ApplicationName)
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// allow for nested options to be specified via environment variables
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// e.g. pod.context = APPNAME_POD_CONTEXT
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v.SetEnvKeyReplacer(strings.NewReplacer(".", "_", "-", "_"))
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// use explicitly the given user config
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if configPath != "" {
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v.SetConfigFile(configPath)
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if err := v.ReadInConfig(); err != nil {
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return fmt.Errorf("unable to read application config=%q : %w", configPath, err)
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}
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// don't fall through to other options if the config path was explicitly provided
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return nil
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}
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// start searching for valid configs in order...
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// 1. look for .<appname>.yaml (in the current directory)
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v.AddConfigPath(".")
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v.SetConfigName(internal.ApplicationName)
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if err := v.ReadInConfig(); err == nil {
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return nil
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}
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// 2. look for .<appname>/config.yaml (in the current directory)
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v.AddConfigPath("." + internal.ApplicationName)
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v.SetConfigName("config")
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if err := v.ReadInConfig(); err == nil {
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return nil
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}
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// 3. look for ~/.<appname>.yaml
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home, err := homedir.Dir()
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if err == nil {
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v.AddConfigPath(home)
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v.SetConfigName("." + internal.ApplicationName)
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if err := v.ReadInConfig(); err == nil {
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return nil
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}
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}
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// 4. look for <appname>/config.yaml in xdg locations (starting with xdg home config dir, then moving upwards)
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v.AddConfigPath(path.Join(xdg.ConfigHome, internal.ApplicationName))
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for _, dir := range xdg.ConfigDirs {
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v.AddConfigPath(path.Join(dir, internal.ApplicationName))
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}
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v.SetConfigName("config")
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if err := v.ReadInConfig(); err == nil {
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return nil
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}
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return fmt.Errorf("application config not found")
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}
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// setNonCliDefaultAppConfigValues ensures that there are sane defaults for values that do not have CLI equivalent options (where there would already be a default value)
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func setNonCliDefaultAppConfigValues(v *viper.Viper) {
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v.SetDefault("anchore.path", "")
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v.SetDefault("log.structured", false)
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v.SetDefault("check-for-app-update", true)
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v.SetDefault("dev.profile-cpu", false)
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v.SetDefault("dev.profile-mem", false)
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v.SetDefault("packages.cataloging-enabled", true)
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v.SetDefault("file-metadata.cataloging-enabled", true)
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v.SetDefault("file-metadata.scope", source.SquashedScope)
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v.SetDefault("file-metadata.digests", []string{"sha256"})
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}
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7
internal/config/cli_only_options.go
Normal file
7
internal/config/cli_only_options.go
Normal file
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@ -0,0 +1,7 @@
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package config
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// CliOnlyOptions are options that are in the application config in memory, but are only exposed via CLI switches (not from unmarshaling a config file)
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type CliOnlyOptions struct {
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ConfigPath string // -c. where the read config is on disk
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Verbosity int // -v or -vv , controlling which UI (ETUI vs logging) and what the log level should be
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}
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@ -1,228 +0,0 @@
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package config
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import (
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"fmt"
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"path"
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"strings"
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"github.com/adrg/xdg"
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"github.com/anchore/syft/internal"
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"github.com/anchore/syft/syft/presenter"
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"github.com/anchore/syft/syft/source"
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"github.com/mitchellh/go-homedir"
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"github.com/sirupsen/logrus"
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"github.com/spf13/viper"
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"gopkg.in/yaml.v2"
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)
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// Application is the main syft application configuration.
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type Application struct {
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ConfigPath string `yaml:",omitempty"` // the location where the application config was read from (either from -c or discovered while loading)
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PresenterOpt presenter.Option `yaml:"-"` // -o, the native Presenter.Option to use for report formatting
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Output string `yaml:"output" mapstructure:"output"` // -o, the Presenter hint string to use for report formatting
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ScopeOpt source.Scope `yaml:"-"` // -s, the native source.Scope option to use for how to catalog the container image
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Scope string `yaml:"scope" mapstructure:"scope"` // -s, the source.Scope string hint for how to catalog the container image
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Quiet bool `yaml:"quiet" mapstructure:"quiet"` // -q, indicates to not show any status output to stderr (ETUI or logging UI)
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Log logging `yaml:"log" mapstructure:"log"` // all logging-related options
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CliOptions CliOnlyOptions `yaml:"-"` // all options only available through the CLI (not via env vars or config)
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Dev Development `mapstructure:"dev"`
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CheckForAppUpdate bool `yaml:"check-for-app-update" mapstructure:"check-for-app-update"` // whether to check for an application update on start up or not
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Anchore anchore `yaml:"anchore" mapstructure:"anchore"` // options for interacting with Anchore Engine/Enterprise
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}
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// CliOnlyOptions are options that are in the application config in memory, but are only exposed via CLI switches (not from unmarshaling a config file)
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type CliOnlyOptions struct {
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ConfigPath string // -c. where the read config is on disk
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Verbosity int // -v or -vv , controlling which UI (ETUI vs logging) and what the log level should be
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}
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// logging contains all logging-related configuration options available to the user via the application config.
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type logging struct {
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Structured bool `yaml:"structured" mapstructure:"structured"` // show all log entries as JSON formatted strings
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LevelOpt logrus.Level `yaml:"level"` // the native log level object used by the logger
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Level string `yaml:"-" mapstructure:"level"` // the log level string hint
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FileLocation string `yaml:"file" mapstructure:"file"` // the file path to write logs to
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}
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type anchore struct {
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// upload options
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UploadEnabled bool `yaml:"upload-enabled" mapstructure:"upload-enabled"` // whether to upload results to Anchore Engine/Enterprise (defaults to "false" unless there is the presence of -h CLI option)
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Host string `yaml:"host" mapstructure:"host"` // -H , hostname of the engine/enterprise instance to upload to
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Path string `yaml:"path" mapstructure:"path"` // override the engine/enterprise API upload path
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Username string `yaml:"username" mapstructure:"username"` // -u , username to authenticate upload
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Password string `yaml:"password" mapstructure:"password"` // -p , password to authenticate upload
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Dockerfile string `yaml:"dockerfile" mapstructure:"dockerfile"` // -d , dockerfile to attach for upload
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OverwriteExistingImage bool `yaml:"overwrite-existing-image" mapstructure:"overwrite-existing-image"` // --overwrite-existing-image , if any of the SBOM components have already been uploaded this flag will ensure they are overwritten with the current upload
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}
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type Development struct {
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ProfileCPU bool `mapstructure:"profile-cpu"`
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ProfileMem bool `mapstructure:"profile-mem"`
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}
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// LoadApplicationConfig populates the given viper object with application configuration discovered on disk
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func LoadApplicationConfig(v *viper.Viper, cliOpts CliOnlyOptions, wasHostnameSet bool) (*Application, error) {
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// the user may not have a config, and this is OK, we can use the default config + default cobra cli values instead
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setNonCliDefaultValues(v)
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_ = readConfig(v, cliOpts.ConfigPath)
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config := &Application{
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CliOptions: cliOpts,
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}
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if err := v.Unmarshal(config); err != nil {
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return nil, fmt.Errorf("unable to parse config: %w", err)
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}
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config.ConfigPath = v.ConfigFileUsed()
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if err := config.build(v, wasHostnameSet); err != nil {
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return nil, fmt.Errorf("invalid config: %w", err)
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}
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return config, nil
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}
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// build inflates simple config values into syft native objects (or other complex objects) after the config is fully read in.
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func (cfg *Application) build(v *viper.Viper, wasHostnameSet bool) error {
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// set the presenter
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presenterOption := presenter.ParseOption(cfg.Output)
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if presenterOption == presenter.UnknownPresenter {
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return fmt.Errorf("bad --output value '%s'", cfg.Output)
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}
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cfg.PresenterOpt = presenterOption
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// set the source
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scopeOption := source.ParseScope(cfg.Scope)
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if scopeOption == source.UnknownScope {
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return fmt.Errorf("bad --scope value '%s'", cfg.Scope)
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}
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cfg.ScopeOpt = scopeOption
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if cfg.Quiet {
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// TODO: this is bad: quiet option trumps all other logging options
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// we should be able to quiet the console logging and leave file logging alone...
|
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// ... this will be an enhancement for later
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cfg.Log.LevelOpt = logrus.PanicLevel
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} else {
|
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if cfg.Log.Level != "" {
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if cfg.CliOptions.Verbosity > 0 {
|
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return fmt.Errorf("cannot explicitly set log level (cfg file or env var) and use -v flag together")
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}
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|
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lvl, err := logrus.ParseLevel(strings.ToLower(cfg.Log.Level))
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if err != nil {
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return fmt.Errorf("bad log level configured (%q): %w", cfg.Log.Level, err)
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}
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// set the log level explicitly
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cfg.Log.LevelOpt = lvl
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} else {
|
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// set the log level implicitly
|
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switch v := cfg.CliOptions.Verbosity; {
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case v == 1:
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cfg.Log.LevelOpt = logrus.InfoLevel
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case v >= 2:
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cfg.Log.LevelOpt = logrus.DebugLevel
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default:
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cfg.Log.LevelOpt = logrus.WarnLevel
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}
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}
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}
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// check if upload should be done relative to the CLI and config behavior
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if !v.IsSet("anchore.upload-enabled") && wasHostnameSet {
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// we know the user didn't specify to upload in the config file and a --hostname option was provided (so set upload)
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cfg.Anchore.UploadEnabled = true
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}
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if !cfg.Anchore.UploadEnabled && cfg.Anchore.Dockerfile != "" {
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return fmt.Errorf("cannot provide dockerfile option without enabling upload")
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}
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return nil
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}
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func (cfg Application) String() string {
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// redact sensitive information
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if cfg.Anchore.Username != "" {
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cfg.Anchore.Username = "********"
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}
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if cfg.Anchore.Password != "" {
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cfg.Anchore.Password = "********"
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}
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|
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// yaml is pretty human friendly (at least when compared to json)
|
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appCfgStr, err := yaml.Marshal(&cfg)
|
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|
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if err != nil {
|
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return err.Error()
|
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}
|
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|
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return string(appCfgStr)
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}
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|
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// readConfig attempts to read the given config path from disk or discover an alternate store location
|
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func readConfig(v *viper.Viper, configPath string) error {
|
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v.AutomaticEnv()
|
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v.SetEnvPrefix(internal.ApplicationName)
|
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// allow for nested options to be specified via environment variables
|
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// e.g. pod.context = APPNAME_POD_CONTEXT
|
||||
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_", "-", "_"))
|
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|
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// use explicitly the given user config
|
||||
if configPath != "" {
|
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v.SetConfigFile(configPath)
|
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if err := v.ReadInConfig(); err == nil {
|
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return nil
|
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}
|
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// don't fall through to other options if this fails
|
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return fmt.Errorf("unable to read config: %v", configPath)
|
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}
|
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|
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// start searching for valid configs in order...
|
||||
|
||||
// 1. look for .<appname>.yaml (in the current directory)
|
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v.AddConfigPath(".")
|
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v.SetConfigName(internal.ApplicationName)
|
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if err := v.ReadInConfig(); err == nil {
|
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return nil
|
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}
|
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|
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// 2. look for .<appname>/config.yaml (in the current directory)
|
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v.AddConfigPath("." + internal.ApplicationName)
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v.SetConfigName("config")
|
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if err := v.ReadInConfig(); err == nil {
|
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return nil
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}
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|
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// 3. look for ~/.<appname>.yaml
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home, err := homedir.Dir()
|
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if err == nil {
|
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v.AddConfigPath(home)
|
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v.SetConfigName("." + internal.ApplicationName)
|
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if err := v.ReadInConfig(); err == nil {
|
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return nil
|
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}
|
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}
|
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|
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// 4. look for <appname>/config.yaml in xdg locations (starting with xdg home config dir, then moving upwards)
|
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v.AddConfigPath(path.Join(xdg.ConfigHome, internal.ApplicationName))
|
||||
for _, dir := range xdg.ConfigDirs {
|
||||
v.AddConfigPath(path.Join(dir, internal.ApplicationName))
|
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}
|
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v.SetConfigName("config")
|
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if err := v.ReadInConfig(); err == nil {
|
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return nil
|
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}
|
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|
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return fmt.Errorf("application config not found")
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}
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|
||||
// setNonCliDefaultValues ensures that there are sane defaults for values that do not have CLI equivalent options (where there would already be a default value)
|
||||
func setNonCliDefaultValues(v *viper.Viper) {
|
||||
v.SetDefault("log.level", "")
|
||||
v.SetDefault("log.file", "")
|
||||
v.SetDefault("log.structured", false)
|
||||
v.SetDefault("check-for-app-update", true)
|
||||
v.SetDefault("dev.profile-cpu", false)
|
||||
v.SetDefault("dev.profile-mem", false)
|
||||
}
|
||||
6
internal/config/development.go
Normal file
6
internal/config/development.go
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
package config
|
||||
|
||||
type Development struct {
|
||||
ProfileCPU bool `yaml:"profile-cpu" json:"profile-cpu" mapstructure:"profile-cpu"`
|
||||
ProfileMem bool `yaml:"profile-mem" json:"profile-mem" mapstructure:"profile-mem"`
|
||||
}
|
||||
24
internal/config/file_metadata.go
Normal file
24
internal/config/file_metadata.go
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
package config
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/anchore/syft/syft/source"
|
||||
)
|
||||
|
||||
type FileMetadata struct {
|
||||
CatalogingEnabled bool `yaml:"cataloging-enabled" json:"cataloging-enabled" mapstructure:"cataloging-enabled"`
|
||||
Scope string `yaml:"scope" json:"scope" mapstructure:"scope"`
|
||||
ScopeOpt source.Scope `yaml:"-" json:"-"`
|
||||
Digests []string `yaml:"digests" json:"digests" mapstructure:"digests"`
|
||||
}
|
||||
|
||||
func (cfg *FileMetadata) build() error {
|
||||
scopeOption := source.ParseScope(cfg.Scope)
|
||||
if scopeOption == source.UnknownScope {
|
||||
return fmt.Errorf("bad scope value %q", cfg.Scope)
|
||||
}
|
||||
cfg.ScopeOpt = scopeOption
|
||||
|
||||
return nil
|
||||
}
|
||||
11
internal/config/logging.go
Normal file
11
internal/config/logging.go
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
package config
|
||||
|
||||
import "github.com/sirupsen/logrus"
|
||||
|
||||
// logging contains all logging-related configuration options available to the user via the application config.
|
||||
type logging struct {
|
||||
Structured bool `yaml:"structured" json:"structured" mapstructure:"structured"` // show all log entries as JSON formatted strings
|
||||
LevelOpt logrus.Level `yaml:"-" json:"-"` // the native log level object used by the logger
|
||||
Level string `yaml:"level" json:"level" mapstructure:"level"` // the log level string hint
|
||||
FileLocation string `yaml:"file" json:"file-location" mapstructure:"file"` // the file path to write logs to
|
||||
}
|
||||
23
internal/config/packages.go
Normal file
23
internal/config/packages.go
Normal file
|
|
@ -0,0 +1,23 @@
|
|||
package config
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/anchore/syft/syft/source"
|
||||
)
|
||||
|
||||
type Packages struct {
|
||||
CatalogingEnabled bool `yaml:"cataloging-enabled" json:"cataloging-enabled" mapstructure:"cataloging-enabled"`
|
||||
Scope string `yaml:"scope" json:"scope" mapstructure:"scope"`
|
||||
ScopeOpt source.Scope `yaml:"-" json:"-"`
|
||||
}
|
||||
|
||||
func (cfg *Packages) build() error {
|
||||
scopeOption := source.ParseScope(cfg.Scope)
|
||||
if scopeOption == source.UnknownScope {
|
||||
return fmt.Errorf("bad scope value %q", cfg.Scope)
|
||||
}
|
||||
cfg.ScopeOpt = scopeOption
|
||||
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in a new issue