Pike CentOS 7 gates failing with GPG key error

[Major Hayden]

2017-10-24 18:06:32.143775 | centos-7 | TASK [memcached_server : Install distro packages] ******************************
2017-10-24 18:06:32.177605 | centos-7 | Tuesday 24 October 2017 18:06:32 +0000 (0:00:00.170) 0:09:29.419 *******
2017-10-24 18:07:06.258913 | centos-7 | FAILED - RETRYING: Install distro packages (5 retries left).
2017-10-24 18:07:21.688869 | centos-7 | FAILED - RETRYING: Install distro packages (4 retries left).
2017-10-24 18:07:37.135649 | centos-7 | FAILED - RETRYING: Install distro packages (3 retries left).
2017-10-24 18:07:52.598954 | centos-7 | FAILED - RETRYING: Install distro packages (2 retries left).
2017-10-24 18:08:07.882183 | centos-7 | FAILED - RETRYING: Install distro packages (1 retries left).
2017-10-24 18:08:23.158838 | centos-7 | fatal: [infra1]: FAILED! => {"attempts": 5, "changed": true, "failed": true, "msg": "warning: /var/cache/yum/x86_64/7/openstack-pike/packages/memcached-1.4.39-1.el7.x86_64.rpm: Header V4 RSA/SHA1 Signature, key ID 764429e6: NOKEY\n\n\nPublic key for memcached-1.4.39-1.el7.x86_64.rpm is not installed\n", "rc": 1, "results": ["Loaded plugins: fastestmirror, priorities\nLoading mirror speeds from cached hostfile\n2334 packages excluded due to repository priority protections\nResolving Dependencies\n--> Running transaction check\n---> Package memcached.x86_64 0:1.4.39-1.el7 will be installed\n--> Processing Dependency: libevent-2.0.so.5()(64bit) for package: memcached-1.4.39-1.el7.x86_64\n---> Package nmap-ncat.x86_64 2:6.40-7.el7 will be installed\n--> Processing Dependency: libpcap.so.1()(64bit) for package: 2:nmap-ncat-6.40-7.el7.x86_64\n--> Running transaction check\n---> Package libevent.x86_64 0:2.0.21-4.el7 will be installed\n---> Package libpcap.x86_64 14:1.5.3-9.el7 will be installed\n--> Finished Dependency Resolution\n\nDependencies Resolved\n\n================================================================================\n Package Arch Version Repository Size\n================================================================================\nInstalling:\n memcached x86_64 1.4.39-1.el7 openstack-pike 118 k\n nmap-ncat x86_64 2:6.40-7.el7 base 201 k\nInstalling for dependencies:\n libevent x86_64 2.0.21-4.el7 base 214 k\n libpcap x86_64 14:1.5.3-9.el7 base 138 k\n\nTransaction Summary\n================================================================================\nInstall 2 Packages (+2 Dependent packages)\n\nTotal size: 671 k\nInstalled size: 1.7 M\nDownloading packages:\n"]}

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/pike
Review: https://review.openstack.org/514842

[OpenStack Infra (hudson-openstack)]

Change abandoned by Major Hayden (<email address hidden>) on branch: stable/pike
Review: https://review.openstack.org/514842
Reason: This doesn't help solve the GPG issue, but JP has good patches in for that.