show error message if docker is not running (#3854)

* show error message if docker is not running

Signed-off-by: msivasubramaniaan <msivasub@redhat.com>

* renamed function

Signed-off-by: msivasubramaniaan <msivasub@redhat.com>

* added dockerode to check docker availability

Signed-off-by: msivasubramaniaan <msivasub@redhat.com>

* added check to find docker on podman

Signed-off-by: msivasubramaniaan <msivasub@redhat.com>

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Signed-off-by: msivasubramaniaan <msivasub@redhat.com>

Author: msivasubramaniaan