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-rwxr-xr-xbin/byteback-setup-client70
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diff --git a/bin/byteback-setup-client b/bin/byteback-setup-client
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+++ b/bin/byteback-setup-client
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+#!/usr/bin/ruby
+#
+# Run on a client machine to set up backups for the first time
+#
+
+$LOAD_PATH.unshift('/usr/lib/byteback')
+
+require 'fileutils'
+require 'trollop'
+require 'byteback/util'
+require 'byteback/log'
+include Byteback::Util
+include Byteback::Log
+
+def error(message)
+ STDERR.print "*** #{message}\n"
+ exit 1
+end
+
+def verbose(message)
+ print "#{message}\n"
+end
+
+opts = Trollop.options do
+ opt :hostname, 'Set host name for backups',
+ type: :string
+
+ opt :destination, 'Backup destination (i.e. user@host:/path)',
+ type: :string
+end
+
+@destination = opts[:destination]
+@hostname = opts[:hostname]
+
+_dummy, @destination_user, @destination_host, colon, @destination_path =
+ /^(.*)?(?:@)([^:]+)(:)(.*)?$/.match(@destination).to_a
+
+@destination_user ||= 'byteback'
+@destination_path ||= ''
+@destination_host ||= @destination
+
+unless @hostname
+ @hostname = `hostname -f`.chomp
+ warn "No hostname set, using #{@hostname}\n"
+end
+
+FileUtils.mkdir_p('/etc/byteback')
+
+if File.readable?('/etc/byteback/key')
+ warn "Skipping key generation, delete /etc/byteback/key if that's wrong"
+else
+
+ error "Couldn't generate SSH key" unless
+ system <<-KEYGEN
+ ssh-keygen -q -t rsa -C "byteback client key" \
+ -N "" -f /etc/byteback/key
+ KEYGEN
+
+end
+
+key_pub = File.read('/etc/byteback/key.pub').chomp
+
+error "Remote setup didn't work" unless
+ system("ssh -i /etc/byteback/key -l #{@destination_user} #{@destination_host} byteback-setup-client-receive #{@hostname} #{key_pub}")
+
+File.open('/etc/byteback/destination', 'w') do |f|
+ f.print "#{@destination_user}@#{@destination_host}:#{@destination_path}"
+end
+
+print "Setup worked! To take your first backup run: byteback-backup --verbose\n"