/
print_env.go
206 lines (174 loc) · 5.74 KB
/
print_env.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
package commands
import (
"encoding/json"
"fmt"
"io/ioutil"
"strings"
"github.com/cloudfoundry/bosh-bootloader/fileio"
"github.com/cloudfoundry/bosh-bootloader/flags"
"github.com/cloudfoundry/bosh-bootloader/renderers"
"github.com/cloudfoundry/bosh-bootloader/storage"
)
// PrintEnv defines a PrintEnv command
type PrintEnv struct {
stateValidator stateValidator
logger logger
stderrLogger logger
allProxyGetter allProxyGetter
terraformManager terraformManager
credhubGetter credhubGetter
fs fs
rendererFactory renderers.Factory
}
type envSetter interface {
Set(key, value string) error
}
type credhubGetter interface {
GetServer() (string, error)
GetCerts() (string, error)
GetPassword() (string, error)
}
type allProxyGetter interface {
GeneratePrivateKey() (string, error)
BoshAllProxy(string, string) string
}
type fs interface {
fileio.TempDirer
fileio.FileWriter
}
type PrintEnvConfig struct {
shellType string
metadataFile string
}
// NewPrintEnv creates a new PrintEnv Command
func NewPrintEnv(
logger logger,
stderrLogger logger,
stateValidator stateValidator,
allProxyGetter allProxyGetter,
credhubGetter credhubGetter,
terraformManager terraformManager,
fs fs,
rendererFactory renderers.Factory) PrintEnv {
return PrintEnv{
stateValidator: stateValidator,
logger: logger,
stderrLogger: stderrLogger,
allProxyGetter: allProxyGetter,
terraformManager: terraformManager,
credhubGetter: credhubGetter,
fs: fs,
rendererFactory: rendererFactory,
}
}
func (p PrintEnv) CheckFastFails(subcommandFlags []string, state storage.State) error {
// We don't do any validation here, because at this point, we don't know if we're using
// a bbl-state or a metadata file. Once we know that we're using a bbl-state, in Execute,
// we validate that the state exists.
return nil
}
func (p PrintEnv) ParseArgs(args []string, state storage.State) (PrintEnvConfig, error) {
var (
config PrintEnvConfig
)
printEnvFlags := flags.New("print-env")
printEnvFlags.String(&config.shellType, "shell-type", "")
printEnvFlags.String(&config.metadataFile, "metadata-file", "")
err := printEnvFlags.Parse(args)
if err != nil {
return PrintEnvConfig{}, err
}
return config, nil
}
func (p PrintEnv) Execute(args []string, state storage.State) error {
variables := make(map[string]string)
config, err := p.ParseArgs(args, state)
if err != nil {
return err
}
shell := config.shellType
renderer, err := p.rendererFactory.Create(shell)
if err != nil {
return err
}
metadataFile := config.metadataFile
if metadataFile != "" {
var metadata struct {
Name string `json:"name"`
IaasType string `json:"iaas_type"`
Bosh map[string]string `json:"bosh"`
}
metadataContents, err := ioutil.ReadFile(metadataFile)
if err != nil {
p.stderrLogger.Println(fmt.Sprintf("Failed to read %s: %s", metadataFile, err))
return err
}
err = json.Unmarshal(metadataContents, &metadata)
if err != nil {
p.stderrLogger.Println(fmt.Sprintf("Failed to unmarshal %s: %s", metadataFile, err))
return err
}
variables["BOSH_CLIENT"] = metadata.Bosh["bosh_client"]
variables["BOSH_CLIENT_SECRET"] = metadata.Bosh["bosh_client_secret"]
variables["BOSH_ENVIRONMENT"] = metadata.Bosh["bosh_environment"]
variables["BOSH_CA_CERT"] = metadata.Bosh["bosh_ca_cert"]
variables["CREDHUB_CLIENT"] = metadata.Bosh["credhub_client"]
variables["CREDHUB_SECRET"] = metadata.Bosh["credhub_secret"]
variables["CREDHUB_SERVER"] = metadata.Bosh["credhub_server"]
variables["CREDHUB_CA_CERT"] = metadata.Bosh["credhub_ca_cert"]
privateKeyPath := fmt.Sprintf("/tmp/%s.priv", metadata.Name)
err = ioutil.WriteFile(privateKeyPath, []byte(metadata.Bosh["jumpbox_private_key"]), 0600)
if err != nil {
p.stderrLogger.Println(fmt.Sprintf("Failed to write private key to %s: %s", privateKeyPath, err))
return err
}
variables["JUMPBOX_PRIVATE_KEY"] = privateKeyPath
boshAllProxy := fmt.Sprintf("%s=%s", strings.Split(metadata.Bosh["bosh_all_proxy"], "=")[0], privateKeyPath)
variables["BOSH_ALL_PROXY"] = boshAllProxy
variables["CREDHUB_PROXY"] = boshAllProxy
p.renderVariables(renderer, variables)
return nil
}
err = p.stateValidator.Validate()
if err != nil {
return err
}
variables["BOSH_CLIENT"] = state.BOSH.DirectorUsername
variables["BOSH_CLIENT_SECRET"] = state.BOSH.DirectorPassword
variables["BOSH_ENVIRONMENT"] = state.BOSH.DirectorAddress
variables["BOSH_CA_CERT"] = state.BOSH.DirectorSSLCA
variables["CREDHUB_CLIENT"] = "credhub-admin"
credhubPassword, err := p.credhubGetter.GetPassword()
if err == nil {
variables["CREDHUB_SECRET"] = credhubPassword
} else {
p.stderrLogger.Println("No credhub password found.")
}
credhubServer, err := p.credhubGetter.GetServer()
if err == nil {
variables["CREDHUB_SERVER"] = credhubServer
} else {
p.stderrLogger.Println("No credhub server found.")
}
credhubCerts, err := p.credhubGetter.GetCerts()
if err == nil {
variables["CREDHUB_CA_CERT"] = credhubCerts
} else {
p.stderrLogger.Println("No credhub certs found.")
}
privateKeyPath, err := p.allProxyGetter.GeneratePrivateKey()
if err != nil {
p.renderVariables(renderer, variables)
return err
}
variables["JUMPBOX_PRIVATE_KEY"] = privateKeyPath
variables["BOSH_ALL_PROXY"] = p.allProxyGetter.BoshAllProxy(state.Jumpbox.GetURLWithJumpboxUser(), privateKeyPath)
variables["CREDHUB_PROXY"] = p.allProxyGetter.BoshAllProxy(state.Jumpbox.GetURLWithJumpboxUser(), privateKeyPath)
p.renderVariables(renderer, variables)
return nil
}
func (p PrintEnv) renderVariables(renderer renderers.Renderer, variables map[string]string) {
for k, v := range variables {
p.logger.Println(renderer.RenderEnvironmentVariable(k, v))
}
}