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README_new_node_final_steps.md

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All subsequent operations should be done as user 'vcell' which now has sudo privilege

Login as as user 'vcell' to previously configured manager node, choose (vcellapi,vcellapi-beta,vcell-node{1,2,3,4}), copy secrets archive

ssh vcell@manager-node
cd /usr/local/deploy
tar czf /tmp/vcellsecrets.tgz .
exit

Login to your new node,
copy vcell secrets from previous manager node to local protected directory (will be replaced with proper secret management later ... e.g. Vault),

su - vcell
scp {the node where you archived secrets}:/tmp/vcellsecrets.tgz /tmp
sudo mkdir -p /usr/local/deploy
sudo chown vcell /usr/local/deploy
chmod 700 /usr/local/deploy
cd /usr/local/deploy
tar xzf /tmp/vcellsecrets.tgz .
rm /tmp/vcellsecrets.tgz
exit

Login previous manager node, remove tmp secrets archive

ssh vcell@manager-node
manager-node> rm /tmp/vcellsecrets.tgz
manager-node> exit

install self-signed cert as trusted CA trusting self signed certificate on Macos (distribution/distribution#2295), and Linux/Windows (https://docs.docker.com/registry/insecure/#failing).
For our internal Docker Registry server so we can use https because singularity requires
For example, to trust the self-signed certificate on UCHC server nodes using Centos 7.2:
registry install, make self-signed certificate

theRegistryHost=vcell-docker.cam.uchc.edu
sudo scp vcell@${theRegistryHost}:/usr/local/deploy/registry_certs/domain.cert /etc/pki/ca-trust/source/anchors/${theRegistryHost}.crt
sudo update-ca-trust
sudo service docker stop
sudo service docker start

Must have password-less ssh, containers (vcell-sched,vcell-submit) need to communicate with vcell-service and invoke slurm commands using ssh DO NOT DO THIS, IT HAS ALREADY BEEN DONE by system admins

# Create ssh key pair(-C is comment to help identify key for human)
ssh-keygen -t rsa -C [email protected]
# 2 files exist now, private key and *.pub public key
#Copy public key to machine you want to ssh to
ssh-copy-id [email protected]