func (atcConfig ATCConfig) newConfig(configPath PathFlag, templateVariablesFiles []PathFlag, templateVariables template.Variables) atc.Config {
configFile, err := ioutil.ReadFile(string(configPath))
if err != nil {
failWithErrorf("could not read config file", err)
}
var resultVars template.Variables
for _, path := range templateVariablesFiles {
fileVars, templateErr := template.LoadVariablesFromFile(string(path))
if templateErr != nil {
failWithErrorf("failed to load variables from file (%s)", templateErr, string(path))
}
resultVars = resultVars.Merge(fileVars)
}
resultVars = resultVars.Merge(templateVariables)
configFile, err = template.Evaluate(configFile, resultVars)
if err != nil {
failWithErrorf("failed to evaluate variables into template", err)
}
var newConfig atc.Config
err = yaml.Unmarshal(configFile, &newConfig)
if err != nil {
failWithErrorf("failed to parse configuration file", err)
}
return newConfig
}
func (atcConfig ATCConfig) newConfig(configPath string, templateVariablesFiles []string, templateVariables []string) (atc.Config, []byte) {
configFile, err := ioutil.ReadFile(configPath)
if err != nil {
failWithErrorf("could not read config file", err)
}
var resultVars template.Variables
for _, path := range templateVariablesFiles {
fileVars, err := template.LoadVariablesFromFile(path)
if err != nil {
failWithErrorf("failed to load variables from file (%s)", err, path)
}
resultVars = resultVars.Merge(fileVars)
}
vars, err := template.LoadVariables(templateVariables)
if err != nil {
failWithErrorf("could not load template variables", err)
}
resultVars = resultVars.Merge(vars)
configFile, err = template.Evaluate(configFile, resultVars)
if err != nil {
failWithErrorf("failed to evaluate variables into template", err)
}
var newConfig atc.Config
err = yaml.Unmarshal(configFile, &newConfig)
if err != nil {
failWithErrorf("failed to parse configuration file", err)
}
fmt.Println("New Config Raw: %+v", newConfig)
return newConfig, configFile
}
"b": "new",
}
result := a.Merge(b)
Expect(result).To(Equal(template.Variables{
"a": "foo",
"b": "new",
}))
})
})
Describe("loading variables from a file", func() {
It("can load them from a file", func() {
variables, err := template.LoadVariablesFromFile("fixtures/vars.yml")
Expect(err).NotTo(HaveOccurred())
Expect(variables).To(Equal(template.Variables{
"hello": "world",
}))
})
It("returns an error if the file does not exist", func() {
_, err := template.LoadVariablesFromFile("fixtures/missing.yml")
Expect(err).To(HaveOccurred())
})
It("returns an error if the file is in an invalid format", func() {
_, err := template.LoadVariablesFromFile("fixtures/invalid_vars.yml")
Expect(err).To(HaveOccurred())