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| 1 // Copyright 2015 The LUCI Authors. All rights reserved. | 1 // Copyright 2015 The LUCI Authors. All rights reserved. |
| 2 // Use of this source code is governed under the Apache License, Version 2.0 | 2 // Use of this source code is governed under the Apache License, Version 2.0 |
| 3 // that can be found in the LICENSE file. | 3 // that can be found in the LICENSE file. |
| 4 | 4 |
| 5 package bootstrap | 5 package bootstrap |
| 6 | 6 |
| 7 import ( | 7 import ( |
| 8 "fmt" | 8 "fmt" |
| 9 | 9 |
| 10 "github.com/luci/luci-go/client/environ" | 10 "github.com/luci/luci-go/client/environ" |
| 11 "github.com/luci/luci-go/common/config" | |
| 12 "github.com/luci/luci-go/common/errors" | 11 "github.com/luci/luci-go/common/errors" |
| 13 "github.com/luci/luci-go/logdog/client/butlerlib/streamclient" | 12 "github.com/luci/luci-go/logdog/client/butlerlib/streamclient" |
| 14 "github.com/luci/luci-go/logdog/common/types" | 13 "github.com/luci/luci-go/logdog/common/types" |
| 15 "github.com/luci/luci-go/logdog/common/viewer" | 14 "github.com/luci/luci-go/logdog/common/viewer" |
| 15 "github.com/luci/luci-go/luci_config/common/cfgtypes" |
| 16 ) | 16 ) |
| 17 | 17 |
| 18 // ErrNotBootstrapped is returned by Get when the current process is not | 18 // ErrNotBootstrapped is returned by Get when the current process is not |
| 19 // bootstrapped. | 19 // bootstrapped. |
| 20 var ErrNotBootstrapped = errors.New("not bootstrapped") | 20 var ErrNotBootstrapped = errors.New("not bootstrapped") |
| 21 | 21 |
| 22 // Bootstrap contains information about the configured bootstrap environment. | 22 // Bootstrap contains information about the configured bootstrap environment. |
| 23 // | 23 // |
| 24 // The bootstrap environment is loaded by probing the local application | 24 // The bootstrap environment is loaded by probing the local application |
| 25 // environment for variables emitted by a bootstrapping Butler. | 25 // environment for variables emitted by a bootstrapping Butler. |
| 26 type Bootstrap struct { | 26 type Bootstrap struct { |
| 27 // CoordinatorHost is the name of the upstream Coordinator host. | 27 // CoordinatorHost is the name of the upstream Coordinator host. |
| 28 // | 28 // |
| 29 // This is just the host name ("example.appspot.com"), not a full URL. | 29 // This is just the host name ("example.appspot.com"), not a full URL. |
| 30 // | 30 // |
| 31 // If this instance is not configured using a production Coordinator Out
put, | 31 // If this instance is not configured using a production Coordinator Out
put, |
| 32 // this will be empty. | 32 // this will be empty. |
| 33 CoordinatorHost string | 33 CoordinatorHost string |
| 34 | 34 |
| 35 // Project is the Butler instance project name. | 35 // Project is the Butler instance project name. |
| 36 » Project config.ProjectName | 36 » Project cfgtypes.ProjectName |
| 37 // Prefix is the Butler instance prefix. | 37 // Prefix is the Butler instance prefix. |
| 38 Prefix types.StreamName | 38 Prefix types.StreamName |
| 39 | 39 |
| 40 // Client is the streamclient for this instance, or nil if the Butler ha
s no | 40 // Client is the streamclient for this instance, or nil if the Butler ha
s no |
| 41 // streamserver. | 41 // streamserver. |
| 42 Client streamclient.Client | 42 Client streamclient.Client |
| 43 } | 43 } |
| 44 | 44 |
| 45 func getFromEnv(env environ.Environment, reg *streamclient.Registry) (*Bootstrap
, error) { | 45 func getFromEnv(env environ.Environment, reg *streamclient.Registry) (*Bootstrap
, error) { |
| 46 // Detect Butler by looking for EnvStreamPrefix in the envrironent. | 46 // Detect Butler by looking for EnvStreamPrefix in the envrironent. |
| 47 prefix, ok := env[EnvStreamPrefix] | 47 prefix, ok := env[EnvStreamPrefix] |
| 48 if !ok { | 48 if !ok { |
| 49 return nil, ErrNotBootstrapped | 49 return nil, ErrNotBootstrapped |
| 50 } | 50 } |
| 51 | 51 |
| 52 bs := &Bootstrap{ | 52 bs := &Bootstrap{ |
| 53 CoordinatorHost: env[EnvCoordinatorHost], | 53 CoordinatorHost: env[EnvCoordinatorHost], |
| 54 Prefix: types.StreamName(prefix), | 54 Prefix: types.StreamName(prefix), |
| 55 » » Project: config.ProjectName(env[EnvStreamProject]), | 55 » » Project: cfgtypes.ProjectName(env[EnvStreamProject]), |
| 56 } | 56 } |
| 57 if err := bs.Prefix.Validate(); err != nil { | 57 if err := bs.Prefix.Validate(); err != nil { |
| 58 return nil, fmt.Errorf("bootstrap: failed to validate prefix %q:
%s", prefix, err) | 58 return nil, fmt.Errorf("bootstrap: failed to validate prefix %q:
%s", prefix, err) |
| 59 } | 59 } |
| 60 if err := bs.Project.Validate(); err != nil { | 60 if err := bs.Project.Validate(); err != nil { |
| 61 return nil, fmt.Errorf("bootstrap: failed to validate project %q
: %s", bs.Project, err) | 61 return nil, fmt.Errorf("bootstrap: failed to validate project %q
: %s", bs.Project, err) |
| 62 } | 62 } |
| 63 | 63 |
| 64 // If we have a stream server attached; instantiate a stream Client. | 64 // If we have a stream server attached; instantiate a stream Client. |
| 65 if p, ok := env[EnvStreamServerPath]; ok { | 65 if p, ok := env[EnvStreamServerPath]; ok { |
| (...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 111 if bs.Prefix == "" { | 111 if bs.Prefix == "" { |
| 112 return "", errors.New("no prefix is configured") | 112 return "", errors.New("no prefix is configured") |
| 113 } | 113 } |
| 114 | 114 |
| 115 paths := make([]types.StreamPath, len(streams)) | 115 paths := make([]types.StreamPath, len(streams)) |
| 116 for i, s := range streams { | 116 for i, s := range streams { |
| 117 paths[i] = bs.Prefix.Join(types.StreamName(s.Properties().Name)) | 117 paths[i] = bs.Prefix.Join(types.StreamName(s.Properties().Name)) |
| 118 } | 118 } |
| 119 return bs.GetViewerURL(paths...) | 119 return bs.GetViewerURL(paths...) |
| 120 } | 120 } |
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