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Certificate Authority API

Enterprise DC/OS Preview Updated: March 30, 2017

About the Certificate Authority API

The Certificate Authority API allows you to view the TLS certificates used by Enterprise DC/OS, create Certificate Signing Requests (CSRs), and have the DC/OS CA sign CSRs.

Request and response format

The API supports JSON only. You must include application/json as your Content-Type in the HTTP header, as shown below.

Content-Type: application/json

Host name and base path

The host name will vary depending on where your app is running.

  • If your app will run outside of the DC/OS cluster, you should use the cluster URL. This can be obtained by launching the DC/OS web interface and copying the domain name from the browser. Alternatively, you can log into the DC/OS CLI and type dcos config show core.dcos_url to get the cluster URL. In a production environment, this should be the address of the load balancer which sits in front of your masters.

  • If your app will run inside of the cluster, use master.mesos.

Append /ca/api/v2/ to the host name, as shown below.

https://<host-name-or-ip>/ca/api/v2/

Authentication and authorization

About authentication and authorization

If the endpoint you wish to access requires authentication, you will need an authentication token with one of the following permissions:

  • dcos:superuser
  • dcos:adminrouter:ops:ca:ro
  • dcos:adminrouter:ops:ca:rw

Obtaining an authentication token

Via the IAM API

To get an authentication token, pass the user name and password of a user with the necessary permissions in the body of a request to the /auth/login endpoint of the Identity and Access Management Service API. It returns an authentication token as shown below.

{
  "token": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOiJib290c3RyYXB1c2VyIiwiZXhwIjoxNDgyNjE1NDU2fQ.j3_31keWvK15shfh_BII7w_10MgAj4ay700Rub5cfNHyIBrWOXbedxdKYZN6ILW9vLt3t5uCAExOOFWJkYcsI0sVFcM1HSV6oIBvJ6UHAmS9XPqfZoGh0PIqXjE0kg0h0V5jjaeX15hk-LQkp7HXSJ-V7d2dXdF6HZy3GgwFmg0Ayhbz3tf9OWMsXgvy_ikqZEKbmPpYO41VaBXCwWPmnP0PryTtwaNHvCJo90ra85vV85C02NEdRHB7sqe4lKH_rnpz980UCmXdJrpO4eTEV7FsWGlFBuF5GAy7_kbAfi_1vY6b3ufSuwiuOKKunMpas9_NfDe7UysfPVHlAxJJgg"
}

Via the DC/OS CLI

When you log into the DC/OS CLI using dcos auth login, it stores the authentication token value locally. You can reference this value as a variable in cURL commands (discussed in the next section).

Alternatively, you can use the following command to get the authentication token value.

dcos config show core.dcos_acs_token

Passing an authentication token

Via the HTTP header

Copy the token value and pass it in the Authorization field of the HTTP header, as shown below.

Authorization: token=eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOiJib290c3RyYXB1c2VyIiwiZXhwIjoxNDgyNjE1NDU2fQ.j3_31keWvK15shfh_BII7w_10MgAj4ay700Rub5cfNHyIBrWOXbedxdKYZN6ILW9vLt3t5uCAExOOFWJkYcsI0sVFcM1HSV6oIBvJ6UHAmS9XPqfZoGh0PIqXjE0kg0h0V5jjaeX15hk-LQkp7HXSJ-V7d2dXdF6HZy3GgwFmg0Ayhbz3tf9OWMsXgvy_ikqZEKbmPpYO41VaBXCwWPmnP0PryTtwaNHvCJo90ra85vV85C02NEdRHB7sqe4lKH_rnpz980UCmXdJrpO4eTEV7FsWGlFBuF5GAy7_kbAfi_1vY6b3ufSuwiuOKKunMpas9_NfDe7UysfPVHlAxJJgg

Via curl as a string value

Using curl, for example, you would pass this value as follows.

curl -H "Authorization: token=eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOiJib290c3RyYXB1c2VyIiwiZXhwIjoxNDgyNjE1NDU2fQ.j3_31keWvK15shfh_BII7w_10MgAj4ay700Rub5cfNHyIBrWOXbedxdKYZN6ILW9vLt3t5uCAExOOFWJkYcsI0sVFcM1HSV6oIBvJ6UHAmS9XPqfZoGh0PIqXjE0kg0h0V5jjaeX15hk-LQkp7HXSJ-V7d2dXdF6HZy3GgwFmg0Ayhbz3tf9OWMsXgvy_ikqZEKbmPpYO41VaBXCwWPmnP0PryTtwaNHvCJo90ra85vV85C02NEdRHB7sqe4lKH_rnpz980UCmXdJrpO4eTEV7FsWGlFBuF5GAy7_kbAfi_1vY6b3ufSuwiuOKKunMpas9_NfDe7UysfPVHlAxJJgg"

Via curl as a DC/OS CLI variable

You can then reference this value in your curl commands, as shown below.

curl -H "Authorization: token=$(dcos config show core.dcos_acs_token)"

Refreshing the authentication token

Authentication tokens expire after five days by default. If your program needs to run longer than five days, you will need a service account. Please see Provisioning custom services for more information.

API reference

 
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Logging

While the API returns informative error messages, you may also find it useful to check the logs of the service. Refer to Service and Task Logging for instructions.