Fails to access nodes

[shnacharya]

17:12:16 TASK [openstack-nodes : Wait during nodes boot] ********************************
17:12:16 Thursday 05 December 2019 11:42:16 +0000 (0:00:00.245) 0:02:14.507 *****
17:12:16 failed: [localhost] (item=test-1) => {"ansible_loop_var": "item", "item": "test-1", "msg": "Failed to connect to the host via ssh: Permission denied (publickey).", "unreachable": true}
17:12:16 failed: [localhost] (item=test-2) => {"ansible_loop_var": "item", "item": "test-2", "msg": "Failed to connect to the host via ssh: Permission denied (publickey).", "unreachable": true}
17:12:16 failed: [localhost] (item=test-3) => {"ansible_loop_var": "item", "item": "test-3", "msg": "Failed to connect to the host via ssh: Permission denied (publickey).", "unreachable": true}
17:12:16 fatal: [localhost]: UNREACHABLE! => {"changed": false, "msg": "All items completed", "results": [{"ansible_loop_var": "item", "item": "test-1", "msg": "Failed to connect to the host via ssh: Permission denied (publickey).", "unreachable": true}, {"ansible_loop_var": "item", "item": "test-2", "msg": "Failed to connect to the host via ssh: Permission denied (publickey).", "unreachable": true}, {"ansible_loop_var": "item", "item": "test-3", "msg": "Failed to connect to the host via ssh: Permission denied (publickey).", "unreachable": true}]}
17:12:16
17:12:16 PLAY RECAP *********************************************************************
17:12:16 localhost : ok=30 changed=6 unreachable=1 failed=0 skipped=8 rescued=0 ignored=0
17:12:16
17:12:16 Thursday 05 December 2019 11:42:16 +0000 (0:00:00.261) 0:02:14.768 *****
17:12:16 ===============================================================================
17:12:16 openstack-nodes : Create OpenStack instance ---------------------------- 40.01s
17:12:16 openstack-master : Create OpenStack instance --------------------------- 38.42s
17:12:16 openstack-nodes : Attach data volumes to minions ----------------------- 27.93s
17:12:16 openstack-master : Wait during instances boot --------------------------- 8.39s
17:12:16 openstack-nodes : Create data volumes for minions ----------------------- 2.63s
17:12:16 create router ----------------------------------------------------------- 1.36s
17:12:16 create subnet ----------------------------------------------------------- 1.04s
17:12:16 create network ---------------------------------------------------------- 0.99s
17:12:16 openstack-security-groups : Create master security group ---------------- 0.83s
17:12:16 openstack-security-groups : Allow SSH to master from anywhere IPv4 ------ 0.82s
17:12:16 openstack-security-groups : Allow traffic to nodes from nodes ----------- 0.78s
17:12:16 openstack-security-groups : Allow traffic to master from nodes ---------- 0.77s
17:12:16 openstack-security-groups : Allow traffic to nodes from master ---------- 0.75s
17:12:16 Gathering Facts --------------------------------------------------------- 0.73s
17:12:16 openstack-security-groups : Create nodes security group ----------------- 0.73s
17:12:16 openstack-security-groups : Allow HTTP to master from anywhere IPv4 ----- 0.72s
17:12:16 openstack-security-groups : Allow HTTPS to master from anywhere IPv6 ---- 0.67s
17:12:16 openstack-security-groups : Allow K8S API to master from anywhere IPv6 --- 0.66s
17:12:16 openstack-security-groups : Allow SSH to nodes from anywhere IPv4 ------- 0.66s
17:12:16 openstack-security-groups : Allow SSH to nodes from anywhere IPv6 ------- 0.66s
17:12:16 Build step 'Execute shell' marked build as failure
17:12:16 Finished: FAILURE