48 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
#!/usr/bin/env bash
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# XXX: This file isn't *quite* a script.  It is intended to be passed via stdin
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# to a node to requisition logic up node creation.  Currently this is done in
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# colo_node_requisition using the eval-cat trick.  While this gets us what we
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# want, care must be taken to ensure variable expansion happens at the right
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# time. Any unescaped variable references ($X) in this file will be expanded by
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# eval in colo_node_requisition. Escaped variable references (\$X) will be
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# expanded upon execution on the remote node.
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if [ ! -f "$SOLANA_LOCK_FILE" ]; then
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  exec 9>>"$SOLANA_LOCK_FILE"
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  flock -x -n 9 || ( echo "Failed to acquire lock!" 1>&2 && exit 1 )
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  [ -n "\$SOLANA_USER" ] && {
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    echo "export SOLANA_LOCK_USER=\$SOLANA_USER"
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    echo "export SOLANA_LOCK_INSTANCENAME=$INSTANCE_NAME"
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    echo "[ -v SSH_TTY -a -f \"\${HOME}/.solana-motd\" ] && cat \"\${HOME}/.solana-motd\" 1>&2"
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  } >&9 || ( rm "$SOLANA_LOCK_FILE" && echo "SOLANA_USER undefined" 1>&2 && false )
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  9>&-
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  cat > /solana-scratch/id_ecdsa <<EOK
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$(cat "$SSH_PRIVATE_KEY")
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EOK
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  cat > /solana-scratch/id_ecdsa.pub <<EOK
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$(cat "${SSH_PRIVATE_KEY}.pub")
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EOK
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  chmod 0600 /solana-scratch/id_ecdsa
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  cat > /solana-scratch/authorized_keys <<EOAK
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$("$__colo_here"/add-datacenter-solana-user-authorized_keys.sh 2> /dev/null)
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$(cat "${SSH_PRIVATE_KEY}.pub")
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EOAK
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  cp /solana-scratch/id_ecdsa "\${HOME}/.ssh/id_ecdsa"
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  cp /solana-scratch/id_ecdsa.pub "\${HOME}/.ssh/id_ecdsa.pub"
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  cp /solana-scratch/authorized_keys "\${HOME}/.ssh/authorized_keys"
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  cat > "\${HOME}/.solana-motd" <<EOM
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$(printNetworkInfo)
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$(creationInfo)
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EOM
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  # XXX: Stamp creation MUST be last!
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  touch /solana-scratch/.instance-startup-complete
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else
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  exec 9<"$SOLANA_LOCK_FILE" && flock -s 9 && . "$SOLANA_LOCK_FILE" && exec 9>&-
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  echo "${INSTANCE_NAME} candidate is already \${SOLANA_LOCK_INSTANCENAME}" 1>&2
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  false
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fi
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