{{ message }}
forked from cloudfoundry/python-buildpack
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathappdynamics_test.go
More file actions
286 lines (241 loc) · 9.74 KB
/
Copy pathappdynamics_test.go
File metadata and controls
286 lines (241 loc) · 9.74 KB
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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
package hooks_test
import (
"bytes"
"io/ioutil"
"os"
"github.com/cloudfoundry/python-buildpack/src/python/hooks"
"path/filepath"
"fmt"
"github.com/cloudfoundry/libbuildpack"
"github.com/cloudfoundry/libbuildpack/ansicleaner"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func createFile(dir, filename, command string, perm os.FileMode) error {
procFile := filepath.Join(dir, filename)
f, err := os.OpenFile(procFile, os.O_CREATE|os.O_WRONLY, perm)
if err != nil {
return err
}
defer f.Close()
if _, err = f.WriteString(command); err != nil {
return err
}
return nil
}
var _ = Describe("Appdynamics", func() {
var (
err error
buildDir string
depsDir string
stager *libbuildpack.Stager
buffer *bytes.Buffer
appdynamics hooks.AppdynamicsHook
)
BeforeEach(func() {
buildDir, err = ioutil.TempDir("", "python-buildpack.build.")
Expect(err).To(BeNil())
depsDir, err = ioutil.TempDir("", "python-buildpack.deps.")
Expect(err).To(BeNil())
buffer = new(bytes.Buffer)
logger := libbuildpack.NewLogger(ansicleaner.New(buffer))
args := []string{buildDir, "", depsDir, "9"}
stager = libbuildpack.NewStager(args, logger, &libbuildpack.Manifest{})
command := &libbuildpack.Command{}
appdynamics = hooks.AppdynamicsHook{
Log: logger,
Command: command,
}
})
AfterEach(func() {
Expect(os.RemoveAll(buildDir)).To(Succeed())
Expect(os.RemoveAll(depsDir)).To(Succeed())
})
Context("GenerateStartUpCommand", func() {
It("Returns the command when it is provided in the correct format", func() {
startCommand := "web: python flask.py"
ModifiedCommand, err := appdynamics.GenerateStartUpCommand(startCommand)
Expect(ModifiedCommand).To(Equal("web: pyagent run -- python flask.py"))
Expect(err).To(BeNil())
})
It("Returns an error when provided the wrong format", func() {
startCommand := "python flask.py"
_, err := appdynamics.GenerateStartUpCommand(startCommand)
Expect(err).To(MatchError("improper format found in Procfile"))
})
})
Context("RewriteProcFile", func() {
var (
err error
tempProcDir string
)
BeforeEach(func() {
tempProcDir, err = ioutil.TempDir("", "Procfiles")
})
AfterEach(func() {
Expect(os.RemoveAll(tempProcDir)).To(Succeed())
})
It("rewrites the procfile with pyagent", func() {
err = createFile(tempProcDir, "Procfile", "web: python app.py", 0666)
Expect(err).To(BeNil())
err = appdynamics.RewriteProcFile(filepath.Join(tempProcDir, "Procfile"))
Expect(err).To(BeNil())
startCommand, err := ioutil.ReadFile(filepath.Join(tempProcDir, "Procfile"))
Expect(err).To(BeNil())
Expect(string(startCommand)).To(Equal("web: pyagent run -- python app.py"))
})
It("Errors when Procfile doesn't exist", func() {
err := appdynamics.RewriteProcFile("/doesnt/exist")
Expect(err).To(MatchError("Error reading file /doesnt/exist: open /doesnt/exist: no such file or directory"))
})
It("Errors with Procfile with wrong format", func() {
err = createFile(tempProcDir, "WrongFormatProcFile", "python app.py", 0666)
Expect(err).To(BeNil())
err = appdynamics.RewriteProcFile(filepath.Join(tempProcDir, "WrongFormatProcFile"))
Expect(err).To(MatchError("improper format found in Procfile"))
})
})
Context("RewriteRequirementsFile when requirements.txt is not packaged", func() {
It("creates requirements.txt", func() {
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).ToNot(BeTrue())
err := appdynamics.RewriteRequirementsFile(stager)
Expect(err).To(BeNil())
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).To(BeTrue())
packagesList, err := ioutil.ReadFile(filepath.Join(buildDir, "requirements.txt"))
Expect(err).To(BeNil())
Expect(string(packagesList)).To(Equal("appdynamics"))
})
})
Context("RewriteRequirementsFile when requirements.txt is packaged", func() {
BeforeEach(func() {
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).ToNot(BeTrue())
procFile := filepath.Join(buildDir, "requirements.txt")
f, err := os.OpenFile(procFile, os.O_CREATE|os.O_WRONLY, 0644)
Expect(err).To(BeNil())
defer f.Close()
_, err = f.WriteString("Flask")
Expect(err).To(BeNil())
})
AfterEach(func() {
Expect(os.Remove(filepath.Join(buildDir, "requirements.txt"))).To(Succeed())
})
It("rewrites requirements.txt", func() {
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).To(BeTrue())
err := appdynamics.RewriteRequirementsFile(stager)
Expect(err).To(BeNil())
packages, err := ioutil.ReadFile(filepath.Join(buildDir, "requirements.txt"))
Expect(string(packages)).To(Equal("Flask\nappdynamics"))
})
})
Context("GenerateAppdynamicsScript", func() {
It("Generates script from Env map", func() {
envVal := map[string]string{
"APPD_KEY_1": "APPD_VAL_1",
"APPD_KEY_2": "APPD_VAL_2",
}
script := appdynamics.GenerateAppdynamicsScript(envVal)
expectedScript := `# Autogenerated Appdynamics Script
export APPD_KEY_1=APPD_VAL_1
export APPD_KEY_2=APPD_VAL_2`
Expect(script).To(Equal(expectedScript))
})
})
Context("CreateAppDynamicsEnv", func() {
It("Generates script from Env map", func() {
envVal := map[string]string{
"APPD_KEY_1": "APPD_VAL_1",
"APPD_KEY_2": "APPD_VAL_2",
}
appdynamics.CreateAppDynamicsEnv(stager, envVal)
appdynamicsShellScript := filepath.Join(stager.DepDir(), "profile.d", "appdynamics.sh")
Expect(libbuildpack.FileExists(appdynamicsShellScript)).To(BeTrue())
expectedScript := `# Autogenerated Appdynamics Script
export APPD_KEY_1=APPD_VAL_1
export APPD_KEY_2=APPD_VAL_2`
script, err := ioutil.ReadFile(appdynamicsShellScript)
Expect(err).To(BeNil())
Expect(string(script)).To(Equal(expectedScript))
})
})
Context("BeforeCompile when VCAP_SERVICES is not present", func() {
BeforeEach(func() {
Expect(os.Getenv("VCAP_SERVICES")).To(Equal(""))
err = createFile(buildDir, "Procfile", "web: python app.py", 0644)
Expect(err).To(BeNil())
})
AfterEach(func() {
Expect(os.Remove(filepath.Join(buildDir, "Procfile"))).To(Succeed())
})
It("VCAP_SERVICES is not present", func() {
err := appdynamics.BeforeCompile(stager)
Expect(err).To(BeNil())
Expect(libbuildpack.FileExists(filepath.Join(stager.DepDir(), "profile.d", "appdynamics.sh"))).To(BeFalse())
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).To(BeFalse())
procCommand, err := ioutil.ReadFile(filepath.Join(buildDir, "Procfile"))
Expect(err).To(BeNil())
Expect(string(procCommand)).To(Equal("web: python app.py"))
})
})
Context("BeforeCompile when VCAP_SERVICES has no appdynamics", func() {
BeforeEach(func() {
Expect(os.Getenv("VCAP_SERVICES")).To(Equal(""))
os.Setenv("VCAP_SERVICES", `{"service": [{"credentials": {"login": "name"}, "name": "443"}]}`)
err = createFile(buildDir, "Procfile", "web: python app.py", 0644)
Expect(err).To(BeNil())
})
AfterEach(func() {
Expect(os.Remove(filepath.Join(buildDir, "Procfile"))).To(Succeed())
os.Unsetenv("VCAP_SERVICES")
})
It("VCAP_SERVICES has no appdynamics", func() {
err := appdynamics.BeforeCompile(stager)
Expect(err).To(BeNil())
Expect(libbuildpack.FileExists(filepath.Join(stager.DepDir(), "profile.d", "appdynamics.sh"))).To(BeFalse())
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).To(BeFalse())
procCommand, err := ioutil.ReadFile(filepath.Join(buildDir, "Procfile"))
Expect(err).To(BeNil())
Expect(string(procCommand)).To(Equal("web: python app.py"))
})
})
for _, serviceName := range []string{"appdynamics", "app-dynamics", "appdynamics-and-some-more-text"} {
Context("BeforeCompile when VCAP_SERVICES has appdynamics", func() {
serviceName := serviceName
BeforeEach(func() {
os.Setenv("VCAP_SERVICES",
`{"`+serviceName+`": [{"instance_name": "plan-instance", "tags": [], "name": "plan", "syslog_drain_url": null, "binding_name": null, "credentials": {"host-name": "controller.test.com", "plan-name": "plan", "guid": "guid", "plan-description": "plan", "ssl-enabled": false, "account-access-key": "key", "account-name": "account-name", "port": "7777"}, "label": "appdynamics"}]}`)
os.Setenv("VCAP_APPLICATION", `{"application_id": "applicationId", "name": "test", "application_name": "test"}`)
os.Setenv("APPD_TIER_NAME", "tier")
os.Setenv("APPD_NODE_NAME", "node")
err = createFile(buildDir, "Procfile", "web: python app.py", 0644)
Expect(err).To(BeNil())
})
AfterEach(func() {
os.Unsetenv("VCAP_SERVICES")
})
It(fmt.Sprintf("VCAP_SERVICES has %s", serviceName), func() {
err := appdynamics.BeforeCompile(stager)
Expect(err).To(BeNil())
Expect(libbuildpack.FileExists(filepath.Join(stager.DepDir(), "profile.d", "appdynamics.sh"))).To(BeTrue())
appdynamicsInfo, err := ioutil.ReadFile(filepath.Join(stager.DepDir(), "profile.d", "appdynamics.sh"))
expectedInfo := `# Autogenerated Appdynamics Script
export APPD_ACCOUNT_ACCESS_KEY=key
export APPD_ACCOUNT_NAME=account-name
export APPD_APP_NAME=test
export APPD_CONTROLLER_HOST=controller.test.com
export APPD_CONTROLLER_PORT=7777
export APPD_NODE_NAME=node
export APPD_SSL_ENABLED=off
export APPD_TIER_NAME=tier`
Expect(string(appdynamicsInfo)).To(Equal(expectedInfo))
Expect(err).To(BeNil())
Expect(libbuildpack.FileExists(filepath.Join(buildDir, "requirements.txt"))).To(BeTrue())
packages, err := ioutil.ReadFile(filepath.Join(buildDir, "requirements.txt"))
Expect(err).To(BeNil())
Expect(string(packages)).To(Equal("appdynamics"))
procCommand, err := ioutil.ReadFile(filepath.Join(buildDir, "Procfile"))
Expect(err).To(BeNil())
Expect(string(procCommand)).To(Equal("web: pyagent run -- python app.py"))
})
})
}
})
You can’t perform that action at this time.