<p>In Ubuntu <code>16.04</code> I'm trying to deploy <code>Kubespray2.5</code> using Ansible Playbook(<code>2.9.7)</code> command and getting error:</p>

<p>I have deployed kubespray many times with version 2.5 but this time only i am getting this error.
Please help to me.</p>

<p><code>ansible-playbook -i inventory/mycluster/hosts.ini cluster.yml</code></p>

<pre><code>    TASK [docker : ensure docker-engine repository public key is installed] *******************************************************
Friday 08 May 2020  16:28:44 +0530 (0:00:20.450)       0:04:46.454 ************
FAILED - RETRYING: ensure docker-engine repository public key is installed (4 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (4 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (4 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (3 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (3 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (3 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (2 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (2 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (2 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (1 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (1 retries left).
FAILED - RETRYING: ensure docker-engine repository public key is installed (1 retries left).
failed: [node2] (item=58118E89F3A912897C070ADBF76221572C52609D) =&gt; {"attempts": 4, "changed": false, "item": "58118E89F3A912897C070ADBF76221572C52609D", "msg": "Failed to download key at https://apt.dockerproject.org/gpg: HTTP Error 404: Not Found"}
failed: [node3] (item=58118E89F3A912897C070ADBF76221572C52609D) =&gt; {"attempts": 4, "changed": false, "item": "58118E89F3A912897C070ADBF76221572C52609D", "msg": "Failed to download key at https://apt.dockerproject.org/gpg: HTTP Error 404: Not Found"}
failed: [node1] (item=58118E89F3A912897C070ADBF76221572C52609D) =&gt; {"attempts": 4, "changed": false, "item": "58118E89F3A912897C070ADBF76221572C52609D", "msg": "Failed to download key at https://apt.dockerproject.org/gpg: HTTP Error 404: Not Found"}

NO MORE HOSTS LEFT ************************************************************************************************************
        to retry, use: --limit @/root/kubespray/cluster.retry

PLAY RECAP ********************************************************************************************************************
localhost                  : ok=2    changed=0    unreachable=0    failed=0
node1                      : ok=62   changed=0    unreachable=0    failed=1
node2                      : ok=64   changed=0    unreachable=0    failed=1
node3                      : ok=62   changed=9    unreachable=0    failed=1
</code></pre>

<p>The <a href="https://apt.dockerproject.org/" rel="nofollow noreferrer">https://apt.dockerproject.org/</a> repository has been shut down on March 31, 2020.</p>

<p>Your playbook is outdated; acquire a newer version or adjust it according to the linked instructions yourself.</p>
