1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
15 "git.curoverse.com/arvados.git/sdk/go/arvados"
16 log "github.com/Sirupsen/logrus"
30 BlobSignatureTTL arvados.Duration
31 BlobSigningKeyFile string
32 RequireSignatures bool
33 SystemAuthTokenFile string
35 TrashLifetime arvados.Duration
36 TrashCheckInterval arvados.Duration
41 systemAuthToken string
42 debugLogf func(string, ...interface{})
44 ManagementToken string
47 var theConfig = DefaultConfig()
49 const rfc3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
51 // DefaultConfig returns the default configuration.
52 func DefaultConfig() *Config {
57 RequireSignatures: true,
58 BlobSignatureTTL: arvados.Duration(14 * 24 * time.Hour),
59 TrashLifetime: arvados.Duration(14 * 24 * time.Hour),
60 TrashCheckInterval: arvados.Duration(24 * time.Hour),
65 // Start should be called exactly once: after setting all public
66 // fields, and before using the config.
67 func (cfg *Config) Start() error {
69 log.SetLevel(log.DebugLevel)
70 cfg.debugLogf = log.Printf
71 cfg.debugLogf("debugging enabled")
73 cfg.debugLogf = func(string, ...interface{}) {}
76 switch strings.ToLower(cfg.LogFormat) {
78 log.SetFormatter(&log.TextFormatter{
80 TimestampFormat: rfc3339NanoFixed,
83 log.SetFormatter(&log.JSONFormatter{
84 TimestampFormat: rfc3339NanoFixed,
87 return fmt.Errorf(`unsupported log format %q (try "text" or "json")`, cfg.LogFormat)
90 if cfg.MaxBuffers < 0 {
91 return fmt.Errorf("MaxBuffers must be greater than zero")
93 bufs = newBufferPool(cfg.MaxBuffers, BlockSize)
95 if cfg.MaxRequests < 1 {
96 cfg.MaxRequests = cfg.MaxBuffers * 2
97 log.Printf("MaxRequests <1 or not specified; defaulting to MaxBuffers * 2 == %d", cfg.MaxRequests)
100 if cfg.BlobSigningKeyFile != "" {
101 buf, err := ioutil.ReadFile(cfg.BlobSigningKeyFile)
103 return fmt.Errorf("reading blob signing key file: %s", err)
105 cfg.blobSigningKey = bytes.TrimSpace(buf)
106 if len(cfg.blobSigningKey) == 0 {
107 return fmt.Errorf("blob signing key file %q is empty", cfg.BlobSigningKeyFile)
109 } else if cfg.RequireSignatures {
110 return fmt.Errorf("cannot enable RequireSignatures (-enforce-permissions) without a blob signing key")
112 log.Println("Running without a blob signing key. Block locators " +
113 "returned by this server will not be signed, and will be rejected " +
114 "by a server that enforces permissions.")
115 log.Println("To fix this, use the BlobSigningKeyFile config entry.")
118 if fn := cfg.SystemAuthTokenFile; fn != "" {
119 buf, err := ioutil.ReadFile(fn)
121 return fmt.Errorf("cannot read system auth token file %q: %s", fn, err)
123 cfg.systemAuthToken = strings.TrimSpace(string(buf))
126 if cfg.EnableDelete {
127 log.Print("Trash/delete features are enabled. WARNING: this has not " +
128 "been extensively tested. You should disable this unless you can afford to lose data.")
131 if len(cfg.Volumes) == 0 {
132 if (&unixVolumeAdder{cfg}).Discover() == 0 {
133 return fmt.Errorf("no volumes found")
136 for _, v := range cfg.Volumes {
137 if err := v.Start(); err != nil {
138 return fmt.Errorf("volume %s: %s", v, err)
140 log.Printf("Using volume %v (writable=%v)", v, v.Writable())
145 // VolumeTypes is built up by init() funcs in the source files that
146 // define the volume types.
147 var VolumeTypes = []func() VolumeWithExamples{}
149 type VolumeList []Volume
151 // UnmarshalJSON, given an array of objects, deserializes each object
152 // as the volume type indicated by the object's Type field.
153 func (vols *VolumeList) UnmarshalJSON(data []byte) error {
154 typeMap := map[string]func() VolumeWithExamples{}
155 for _, factory := range VolumeTypes {
156 t := factory().Type()
157 if _, ok := typeMap[t]; ok {
158 log.Fatal("volume type %+q is claimed by multiple VolumeTypes")
163 var mapList []map[string]interface{}
164 err := json.Unmarshal(data, &mapList)
168 for _, mapIn := range mapList {
169 typeIn, ok := mapIn["Type"].(string)
171 return fmt.Errorf("invalid volume type %+v", mapIn["Type"])
173 factory, ok := typeMap[typeIn]
175 return fmt.Errorf("unsupported volume type %+q", typeIn)
177 data, err := json.Marshal(mapIn)
182 err = json.Unmarshal(data, vol)
186 *vols = append(*vols, vol)
191 // MarshalJSON adds a "Type" field to each volume corresponding to its
193 func (vl *VolumeList) MarshalJSON() ([]byte, error) {
195 for _, vs := range *vl {
196 j, err := json.Marshal(vs)
201 data = append(data, byte(','))
203 t, err := json.Marshal(vs.Type())
207 data = append(data, j[0])
208 data = append(data, []byte(`"Type":`)...)
209 data = append(data, t...)
210 data = append(data, byte(','))
211 data = append(data, j[1:]...)
213 return append(data, byte(']')), nil