Initial QSfera import

Server/services/storage-shares/pkg/config/config.go

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+package config
+
+import (
+	"context"
+
+	"github.com/qsfera/server/pkg/shared"
+)
+
+type Config struct {
+	Commons  *shared.Commons `yaml:"-"` // don't use this directly as configuration for a service
+	Service  Service         `yaml:"-"`
+	LogLevel string          `yaml:"loglevel" env:"OC_LOG_LEVEL;STORAGE_SHARES_LOG_LEVEL" desc:"The log level. Valid values are: 'panic', 'fatal', 'error', 'warn', 'info', 'debug', 'trace'." introductionVersion:"1.0.0"`
+	Debug    Debug           `yaml:"debug"`
+
+	GRPC GRPCConfig `yaml:"grpc"`
+
+	TokenManager *TokenManager `yaml:"token_manager"`
+	Reva         *shared.Reva  `yaml:"reva"`
+
+	SkipUserGroupsInToken bool `yaml:"skip_user_groups_in_token" env:"STORAGE_SHARES_SKIP_USER_GROUPS_IN_TOKEN" desc:"Disables the loading of user's group memberships from the reva access token." introductionVersion:"1.0.0"`
+
+	MountID                string `yaml:"mount_id" env:"STORAGE_SHARES_MOUNT_ID" desc:"Mount ID of this storage. Admins can set the ID for the storage in this config option manually which is then used to reference the storage. Any reasonable long string is possible, preferably this would be an UUIDv4 format." introductionVersion:"1.0.0"`
+	ReadOnly               bool   `yaml:"readonly" env:"STORAGE_SHARES_READ_ONLY" desc:"Set this storage to be read-only." introductionVersion:"1.0.0"`
+	SharesProviderEndpoint string `yaml:"user_share_provider_endpoint" env:"STORAGE_SHARES_USER_SHARE_PROVIDER_ENDPOINT" desc:"GRPC endpoint of the SHARING service." introductionVersion:"1.0.0"`
+
+	Context context.Context `yaml:"-"`
+}
+
+type Service struct {
+	Name string `yaml:"-"`
+}
+
+type Debug struct {
+	Addr   string `yaml:"addr" env:"STORAGE_SHARES_DEBUG_ADDR" desc:"Bind address of the debug server, where metrics, health, config and debug endpoints will be exposed." introductionVersion:"1.0.0"`
+	Token  string `yaml:"token" env:"STORAGE_SHARES_DEBUG_TOKEN" desc:"Token to secure the metrics endpoint." introductionVersion:"1.0.0"`
+	Pprof  bool   `yaml:"pprof" env:"STORAGE_SHARES_DEBUG_PPROF" desc:"Enables pprof, which can be used for profiling." introductionVersion:"1.0.0"`
+	Zpages bool   `yaml:"zpages" env:"STORAGE_SHARES_DEBUG_ZPAGES" desc:"Enables zpages, which can be used for collecting and viewing in-memory traces." introductionVersion:"1.0.0"`
+}
+
+type GRPCConfig struct {
+	Addr      string                 `yaml:"addr" env:"STORAGE_SHARES_GRPC_ADDR" desc:"The bind address of the GRPC service." introductionVersion:"1.0.0"`
+	TLS       *shared.GRPCServiceTLS `yaml:"tls"`
+	Namespace string                 `yaml:"-"`
+	Protocol  string                 `yaml:"protocol" env:"OC_GRPC_PROTOCOL;STORAGE_SHARES_GRPC_PROTOCOL" desc:"The transport protocol of the GRPC service." introductionVersion:"1.0.0"`
+}

Server/services/storage-shares/pkg/config/defaults/defaultconfig.go

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+package defaults
+
+import (
+	"github.com/qsfera/server/pkg/shared"
+	"github.com/qsfera/server/pkg/structs"
+	"github.com/qsfera/server/services/storage-shares/pkg/config"
+)
+
+// FullDefaultConfig returns a fully initialized default configuration
+func FullDefaultConfig() *config.Config {
+	cfg := DefaultConfig()
+	EnsureDefaults(cfg)
+	Sanitize(cfg)
+	return cfg
+}
+
+// DefaultConfig returns a basic default configuration
+func DefaultConfig() *config.Config {
+	return &config.Config{
+		Debug: config.Debug{
+			Addr:   "127.0.0.1:9156",
+			Token:  "",
+			Pprof:  false,
+			Zpages: false,
+		},
+		GRPC: config.GRPCConfig{
+			Addr:      "127.0.0.1:9154",
+			Namespace: "qsfera.api",
+			Protocol:  "tcp",
+		},
+		Service: config.Service{
+			Name: "storage-shares",
+		},
+		Reva:                   shared.DefaultRevaConfig(),
+		MountID:                "7639e57c-4433-4a12-8201-722fd0009154",
+		ReadOnly:               false,
+		SharesProviderEndpoint: "qsfera.api.sharing",
+	}
+}
+
+// EnsureDefaults adds default values to the configuration if they are not set yet
+func EnsureDefaults(cfg *config.Config) {
+	if cfg.LogLevel == "" {
+		cfg.LogLevel = "error"
+	}
+	if cfg.Reva == nil && cfg.Commons != nil {
+		cfg.Reva = structs.CopyOrZeroValue(cfg.Commons.Reva)
+	}
+
+	if cfg.TokenManager == nil && cfg.Commons != nil && cfg.Commons.TokenManager != nil {
+		cfg.TokenManager = &config.TokenManager{
+			JWTSecret: cfg.Commons.TokenManager.JWTSecret,
+		}
+	} else if cfg.TokenManager == nil {
+		cfg.TokenManager = &config.TokenManager{}
+	}
+
+	if cfg.GRPC.TLS == nil && cfg.Commons != nil {
+		cfg.GRPC.TLS = structs.CopyOrZeroValue(cfg.Commons.GRPCServiceTLS)
+	}
+}
+
+// Sanitize sanitized the configuration
+func Sanitize(cfg *config.Config) {
+	// nothing to sanitize here atm
+}

Server/services/storage-shares/pkg/config/parser/parse.go

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+package parser
+
+import (
+	"errors"
+
+	occfg "github.com/qsfera/server/pkg/config"
+	"github.com/qsfera/server/pkg/shared"
+	"github.com/qsfera/server/services/storage-shares/pkg/config"
+	"github.com/qsfera/server/services/storage-shares/pkg/config/defaults"
+
+	"github.com/qsfera/server/pkg/config/envdecode"
+)
+
+// ParseConfig loads configuration from known paths.
+func ParseConfig(cfg *config.Config) error {
+	err := occfg.BindSourcesToStructs(cfg.Service.Name, cfg)
+	if err != nil {
+		return err
+	}
+
+	defaults.EnsureDefaults(cfg)
+
+	// load all env variables relevant to the config in the current context.
+	if err := envdecode.Decode(cfg); err != nil {
+		// no environment variable set for this config is an expected "error"
+		if !errors.Is(err, envdecode.ErrNoTargetFieldsAreSet) {
+			return err
+		}
+	}
+
+	defaults.Sanitize(cfg)
+
+	return Validate(cfg)
+}
+
+func Validate(cfg *config.Config) error {
+	if cfg.TokenManager.JWTSecret == "" {
+		return shared.MissingJWTTokenError(cfg.Service.Name)
+	}
+
+	return nil
+}

Server/services/storage-shares/pkg/config/reva.go

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+package config
+
+// TokenManager is the config for using the reva token manager
+type TokenManager struct {
+	JWTSecret string `yaml:"jwt_secret" env:"OC_JWT_SECRET;STORAGE_SHARES_JWT_SECRET" desc:"The secret to mint and validate jwt tokens." introductionVersion:"1.0.0"`
+}