func createEnvISO(env *cpi.AgentEnv, runner cmd.Runner) (path string, err error) {
json, err := json.Marshal(env)
if err != nil {
return
}
envDir, err := ioutil.TempDir("", "agent-iso-dir")
if err != nil {
return
}
// Name of the environment JSON file should be "env" to fit ISO 9660 8.3 filename scheme
envFile, err := os.Create(p.Join(envDir, "env"))
if err != nil {
return
}
_, err = envFile.Write(json)
if err != nil {
return
}
err = envFile.Close()
if err != nil {
return
}
envISO, err := ioutil.TempFile("", "agent-env-iso")
if err != nil {
return
}
envISO.Close()
output, err := runner.Run("mkisofs", "-o", envISO.Name(), envFile.Name())
if err != nil {
out := string(output[:])
return "", errors.New(fmt.Sprintf("Failed to generate ISO for agent settings: %v\n%s", err, out))
}
// Cleanup temp dir but ignore the error. Failure to delete a temp file is not
// worth worrying about.
_ = os.RemoveAll(envDir)
return envISO.Name(), nil
}
Agent: &cpi.AgentConfig{Mbus: "fake-mbus", NTP: []string{"fake-ntp"}},
},
Runner: runner,
Logger: logger.New(),
}
env = &cpi.AgentEnv{AgentID: "agent-id", VM: cpi.VMSpec{Name: "vm-name", ID: "vm-id"}}
})
It("Successfully creates an ISO", func() {
iso, err := createEnvISO(env, runner)
defer os.Remove(iso)
Expect(err).Should(BeNil(), "Test requires mkisofs, install with 'brew install cdrtools' on Mac")
// Verify we have produced a valid ISO by checking the output of "file <iso>"
out, err := runner.Run("file", iso)
outStr := string(out[:])
Expect(err).Should(BeNil())
Expect(outStr).Should(ContainSubstring("ISO 9660 CD-ROM"))
})
Describe("Metadata", func() {
It("successfully puts and gets agent env data", func() {
vmID := "fake-vm-id"
metadataTask := &ec.Task{State: "COMPLETED"}
vm := &ec.VM{
ID: vmID,
Metadata: map[string]string{"bosh-cpi": GetEnvMetadata(env)},
}