PE 3.3 and below steps to meshing AMQ on your spoke masters - Enjoy

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----------- Step 1
Copy the following files from the hub to the exact same location on the spoke

# certs
/etc/puppetlabs/puppet/ssl/certs/pe-internal-broker.pem
/etc/puppetlabs/puppet/ssl/certs/pe-internal-mcollective-servers.pem
/etc/puppetlabs/puppet/ssl/certs/pe-internal-peadmin-mcollective-client.pem
/etc/puppetlabs/puppet/ssl/certs/pe-internal-puppet-console-mcollective-client.pem

# private keys
/etc/puppetlabs/puppet/ssl/private_keys/pe-internal-broker.pem
/etc/puppetlabs/puppet/ssl/private_keys/pe-internal-mcollective-servers.pem
/etc/puppetlabs/puppet/ssl/private_keys/pe-internal-peadmin-mcollective-client.pem
/etc/puppetlabs/puppet/ssl/private_keys/pe-internal-puppet-console-mcollective-client.pem

# public keys
/etc/puppetlabs/puppet/ssl/public_keys/pe-internal-broker.pem
/etc/puppetlabs/puppet/ssl/public_keys/pe-internal-mcollective-servers.pem
/etc/puppetlabs/puppet/ssl/public_keys/pe-internal-peadmin-mcollective-client.pem
/etc/puppetlabs/puppet/ssl/public_keys/pe-internal-puppet-console-mcollective-client.pem

----------- Step 2
Destroy The following

rm -rf /etc/puppetlabs/mcollective/ss
rm -f /etc/puppetlabs/activemq/broker.*

----------- Step 3
Copy broker credentials from hub to spoke

Take the content of:
/etc/puppetlabs/mcollective/credentials

and place it the a file of the same location on the spoke

----------- Step 4
On the puppet_master group in the PE Console, modify the group variable called “activemq_brokers” and
assign it a comma separated list of the FQDNs for the Puppet masters in the AMQ mesh.

----------- Step 5
Add the spoke master to 'puppet_master' group in the PE Console.

----------- Step 6
Run Puppet on the spoke

puppet agent -t --server <your hub master>

----------- Step 7
Restart activemq and mco

service pe-activemq restart
service pe-mcollective restart