How to log into IBM Bluemix using REST API?

Question

I am trying to use the Cloud Foundry go-cfclient to work with IBM Bluemix and the REST API in Go. I already fail with the login process. I am using the following sample code and invoke the program by passing in the Bluemix endpoint "https://api.ng.bluemix.net" and my userid/password info.

package main

import (
    "flag"
    "fmt"
    "os"

    cfclient "github.com/cloudfoundry-community/go-cfclient"
)

func main() {
    api := flag.String("api", "", "API endpoint")
    username := flag.String("username", "", "User name")
    password := flag.String("password", "", "password")
    help := flag.Bool("help", false, "help")

    flag.Parse()

    if *help || len(*api) == 0 || len(*username) == 0 || len(*password) == 0 {
        flag.Usage()
        os.Exit(1)
    }

    config := &cfclient.Config{
        ApiAddress: *api,
        Username:   *username,
        Password:   *password}

    fmt.Println("user %v\n",*username)
    var (
        client *cfclient.Client
        err    error
    )

    if client, err = cfclient.NewClient(config); err != nil {
        panic(err)
    }
    fmt.Println(client)

    apps, err := client.ListApps()

    if err != nil {
        panic(err)
    }

    fmt.Println(apps)
}

The error returned is:

panic: Error getting token: oauth2: cannot fetch token: 401 Unauthorized Response: {"error":"unauthorized","error_description":"Bad credentials"}

What information needs to be provided? How can I log into Bluemix using the REST API?

I'm not familiar with the go library, but it looks like it accepts a Password attribute. Maybe that should be used instead of Token? — Chris Snow
– Chris Snow, Commented Feb 7, 2017 at 21:10
Sorry, it is Password, not the token. I had experimented with both to see whether the oauth token could be passed in. I corrected the code above. — data_henrik
– data_henrik, Commented Feb 8, 2017 at 6:29

joe · Accepted Answer · 2017-02-08 05:25:09Z

1

Here is an example of logging into Bluemix using the REST API (in JavaScript).

You make a call to the login endpoint and request a token with your username and password from Bluemix.

edited Feb 8, 2017 at 5:25

answered Feb 8, 2017 at 4:45

joe

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3 Comments

data_henrik Over a year ago

Assuming that the example works, it will help to understand the flow. I am also looking into trace. However, the real problem would be how to use the go-cfclient library.

joe Over a year ago

Well, from looking at this library, it looks like it's trying to get the token from https://uaa.ng.bluemix.net/oauth/token rather than https://login.ng.bluemix.net/UAALoginServerWAR/oauth/token which is the reason why it's failing authentication.

data_henrik Over a year ago

Yup. That's what I also found out so far. See here github.com/cloudfoundry-community/go-cfclient/issues/32 The question is now why it is using that URI

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