func (c *MarathonClient) ParseGroupFromString(r io.Reader, et encoding.EncoderType, opts *CreateOptions) (*Group, error) {
options := initCreateOptions(opts)
var encoder encoding.Encoder
var err error
encoder, err = encoding.NewEncoder(et)
if err != nil {
return nil, err
}
parsed, missing := envsubst.SubstFileTokens(r, options.EnvParams)
if opts.ErrorOnMissingParams && missing {
return nil, ErrorAppParamsMissing
}
if opts.DryRun {
fmt.Printf("Create Group :: DryRun :: Template Output\n\n%s", parsed)
os.Exit(0)
}
group := new(Group)
err = encoder.UnMarshalStr(parsed, &group)
if err != nil {
return nil, err
}
return group, nil
}
func (c *ComposeWrapper) createDockerContext() (project.APIProject, error) {
if c.context.EnvParams != nil && len(c.context.EnvParams) > 0 {
file, err := os.Open(c.context.ComposeFile)
if err != nil {
return nil, fmt.Errorf("Error opening filename %s, %s", c.context.ComposeFile, err.Error())
}
parsed, missing := envsubst.SubstFileTokens(file, c.context.EnvParams)
log.Debug("Map: %v\nParsed: %s\n", c.context.EnvParams, parsed)
if c.context.ErrorOnMissingParams && missing {
return nil, ErrorParamsMissing
}
file, err = ioutil.TempFile("", "depcon")
if err != nil {
return nil, err
}
err = ioutil.WriteFile(file.Name(), []byte(parsed), os.ModeTemporary)
if err != nil {
return nil, err
}
c.context.ComposeFile = file.Name()
}
return docker.NewProject(&ctx.Context{
Context: project.Context{
ComposeFiles: strings.Split(c.context.ComposeFile, ","),
ProjectName: c.context.ProjectName,
},
}, nil)
}