server.rb in dev-lxc-3.3.0

- old
+ new
@@ -1,197 +1,197 @@
-require "json"
-require "dev-lxc/container"
-
-module DevLXC
-  class Server
-    attr_reader :container
-
-    def initialize(name, ipaddress, additional_fqdn, memory_per_server, mounts, ssh_keys)
-      @container = DevLXC::Container.new(name)
-      @ipaddress = ipaddress
-      @additional_fqdn = additional_fqdn
-      @memory_per_server = memory_per_server
-      @mounts = mounts
-      @ssh_keys = ssh_keys
-    end
-
-    def name
-      @container.name
-    end
-
-    def status
-      @container.status
-    end
-
-    def run_command(command, output_file=nil)
-      if @container.running?
-        puts "Running '#{command}' in '#{@container.name}'"
-        puts "Saving output to #{output_file}" if output_file
-        @container.run_command(command, output_file)
-      else
-        puts "'#{@container.name}' is not running"
-      end
-    end
-
-    def install_package(package_path)
-      @container.install_package(package_path)
-    end
-
-    def start
-      return if @container.running?
-      hwaddr = @container.config_item("lxc.network.0.hwaddr")
-      release_lingering_dhcp_ip_addresses(hwaddr)
-      assign_static_ip_address(hwaddr) if @ipaddress
-      @container.sync_mounts(@mounts)
-      @container.start
-      @container.sync_ssh_keys(@ssh_keys)
-      @container.set_cgroup_item('memory.limit_in_bytes', @memory_per_server) if @memory_per_server
-      puts
-    end
-
-    def shutdown
-      @container.shutdown if @container.running?
-      remove_static_ip_address(@container.config_item("lxc.network.0.hwaddr")) if @container.defined?
-    end
-
-    def snapshot(comment=nil)
-      unless @container.defined?
-        puts "WARNING: Skipping snapshot of '#{@container.name}' because it does not exist"
-        return
-      end
-      if @container.running?
-        puts "WARNING: Skipping snapshot of '#{@container.name}' because it is running"
-        return
-      end
-      puts "Creating snapshot of container '#{@container.name}'"
-      snapname = @container.snapshot
-      unless comment.nil?
-        snapshot = @container.snapshot_list.select { |sn| sn.first == snapname }
-        snapshot_comment_file = snapshot.flatten[1]
-        IO.write(snapshot_comment_file, comment) unless snapshot_comment_file.nil?
-      end
-    end
-
-    def snapshot_destroy(snapname=nil)
-      unless @container.defined?
-        puts "Skipping container '#{@container.name}' because it does not exist"
-        return
-      end
-      if snapname == "ALL"
-        if @container.snapshot_list.empty?
-          puts "Container '#{@container.name}' does not have any snapshots"
-        else
-          @container.snapshot_list.each do |snapshot|
-            puts "Destroying snapshot '#{snapshot.first}' of container '#{@container.name}'"
-            @container.snapshot_destroy(snapshot.first)
-          end
-        end
-      elsif snapname == "LAST"
-        if @container.snapshot_list.empty?
-          puts "Container '#{@container.name}' does not have any snapshots"
-        else
-          snapname = @container.snapshot_list.last.first
-          puts "Destroying snapshot '#{snapname}' of container '#{@container.name}'"
-          @container.snapshot_destroy(snapname)
-        end
-      else
-        snapshot = @container.snapshot_list.select { |sn| sn.first == snapname }
-        if snapshot.flatten.empty?
-          puts "Container '#{@container.name}' does not have a '#{snapname}' snapshot"
-        else
-          puts "Destroying snapshot '#{snapname}' of container '#{@container.name}'"
-          @container.snapshot_destroy(snapname)
-        end
-      end
-    end
-
-    def snapshot_list
-      snapshots = Array.new
-      return snapshots unless @container.defined?
-      @container.snapshot_list.each do |snapshot|
-        (snapname, snap_comment_file, snaptime) = snapshot
-        snap_comment = IO.read(snap_comment_file).chomp if File.exist?(snap_comment_file)
-        snapshots << [snapname, snaptime, snap_comment]
-      end
-      snapshots
-    end
-
-    def snapshot_restore(snapname=nil)
-      unless @container.defined?
-        puts "WARNING: Skipping container '#{@container.name}' because it does not exist"
-        return
-      end
-      if @container.running?
-        puts "WARNING: Skipping container '#{@container.name}' because it is running"
-        return
-      end
-      if snapname == "LAST"
-        if @container.snapshot_list.empty?
-          puts "WARNING: Skipping container '#{@container.name}' because it does not have any snapshots"
-        else
-          snapname = @container.snapshot_list.last.first
-          puts "Restoring snapshot '#{snapname}' of container '#{@container.name}'"
-          @container.snapshot_restore(snapname)
-        end
-      else
-        snapshot = @container.snapshot_list.select { |sn| sn.first == snapname }
-        if snapshot.flatten.empty?
-          puts "WARNING: Skipping container '#{@container.name}' because it does not have a '#{snapname}' snapshot"
-        else
-          puts "Restoring snapshot '#{snapname}' of container '#{@container.name}'"
-          @container.snapshot_restore(snapname)
-        end
-      end
-    end
-
-    def destroy
-      return unless @container.defined?
-      @container.snapshot_list.each { |snapshot| @container.snapshot_destroy(snapshot.first) }
-      hwaddr = @container.config_item("lxc.network.0.hwaddr")
-      @container.destroy
-      remove_static_ip_address(hwaddr)
-    end
-
-    def release_lingering_dhcp_ip_addresses(hwaddr)
-      dhcp_leases = IO.readlines('/var/lib/misc/dnsmasq.lxcbr0.leases')
-      leases_to_release = dhcp_leases.map do |dhcp_lease|
-        if m = dhcp_lease.match(/ #{hwaddr} (\d+\.\d+\.\d+\.\d+) /)
-          mac_addr = hwaddr
-          ip_addr = m[1]
-        elsif m = dhcp_lease.match(/ (\w\w:\w\w:\w\w:\w\w:\w\w:\w\w) #{@ipaddress} /)
-          mac_addr = m[1]
-          ip_addr = @ipaddress
-        elsif m = dhcp_lease.match(/ (\w\w:\w\w:\w\w:\w\w:\w\w:\w\w) (\d+\.\d+\.\d+\.\d+) #{@container.name.sub(/\.lxc$/, '')} /)
-          mac_addr = m[1]
-          ip_addr = m[2]
-        end
-        if mac_addr && ip_addr
-          { dhcp_lease: dhcp_lease, mac_addr: mac_addr, ip_addr: ip_addr }
-        end
-      end
-      leases_to_release.compact!
-      unless leases_to_release.empty?
-        system("systemctl stop lxc-net.service")
-        leases_to_release.each do |l|
-          puts "Releasing lingering DHCP lease: #{l[:dhcp_lease]}"
-          DevLXC.search_file_delete_line("/var/lib/misc/dnsmasq.lxcbr0.leases", /( #{l[:mac_addr]} #{l[:ip_addr]} )/)
-        end
-        system("systemctl start lxc-net.service")
-      end
-    end
-
-    def assign_static_ip_address(hwaddr)
-      puts "Assigning IP address #{@ipaddress} to '#{@container.name}' container's lxc.network.hwaddr #{hwaddr}"
-      DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /(^#{hwaddr}|,#{@ipaddress}$)/)
-      DevLXC.append_line_to_file("/etc/lxc/dhcp-hosts.conf", "#{hwaddr},#{@ipaddress}\n")
-      DevLXC.reload_dnsmasq
-    end
-
-    def remove_static_ip_address(hwaddr=nil)
-      if hwaddr
-        DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /^#{hwaddr}/)
-        DevLXC.reload_dnsmasq
-      end
-    end
-
-  end
-end
+require "json"
+require "dev-lxc/container"
+
+module DevLXC
+  class Server
+    attr_reader :container
+
+    def initialize(name, ipaddress, additional_fqdn, memory_per_server, mounts, ssh_keys)
+      @container = DevLXC::Container.new(name)
+      @ipaddress = ipaddress
+      @additional_fqdn = additional_fqdn
+      @memory_per_server = memory_per_server
+      @mounts = mounts
+      @ssh_keys = ssh_keys
+    end
+
+    def name
+      @container.name
+    end
+
+    def status
+      @container.status
+    end
+
+    def run_command(command, output_file=nil)
+      if @container.running?
+        puts "Running '#{command}' in '#{@container.name}'"
+        puts "Saving output to #{output_file}" if output_file
+        @container.run_command(command, output_file)
+      else
+        puts "'#{@container.name}' is not running"
+      end
+    end
+
+    def install_package(package_path)
+      @container.install_package(package_path)
+    end
+
+    def start
+      return if @container.running?
+      hwaddr = @container.config_item("lxc.network.0.hwaddr")
+      release_lingering_dhcp_ip_addresses(hwaddr)
+      assign_static_ip_address(hwaddr) if @ipaddress
+      @container.sync_mounts(@mounts)
+      @container.start
+      @container.sync_ssh_keys(@ssh_keys)
+      @container.set_cgroup_item('memory.limit_in_bytes', @memory_per_server) if @memory_per_server
+      puts
+    end
+
+    def shutdown
+      @container.shutdown if @container.running?
+      remove_static_ip_address(@container.config_item("lxc.network.0.hwaddr")) if @container.defined?
+    end
+
+    def snapshot(comment=nil)
+      unless @container.defined?
+        puts "WARNING: Skipping snapshot of '#{@container.name}' because it does not exist"
+        return
+      end
+      if @container.running?
+        puts "WARNING: Skipping snapshot of '#{@container.name}' because it is running"
+        return
+      end
+      puts "Creating snapshot of container '#{@container.name}'"
+      snapname = @container.snapshot
+      unless comment.nil?
+        snapshot = @container.snapshot_list.select { |sn| sn.first == snapname }
+        snapshot_comment_file = snapshot.flatten[1]
+        IO.write(snapshot_comment_file, comment) unless snapshot_comment_file.nil?
+      end
+    end
+
+    def snapshot_destroy(snapname=nil)
+      unless @container.defined?
+        puts "Skipping container '#{@container.name}' because it does not exist"
+        return
+      end
+      if snapname == "ALL"
+        if @container.snapshot_list.empty?
+          puts "Container '#{@container.name}' does not have any snapshots"
+        else
+          @container.snapshot_list.each do |snapshot|
+            puts "Destroying snapshot '#{snapshot.first}' of container '#{@container.name}'"
+            @container.snapshot_destroy(snapshot.first)
+          end
+        end
+      elsif snapname == "LAST"
+        if @container.snapshot_list.empty?
+          puts "Container '#{@container.name}' does not have any snapshots"
+        else
+          snapname = @container.snapshot_list.last.first
+          puts "Destroying snapshot '#{snapname}' of container '#{@container.name}'"
+          @container.snapshot_destroy(snapname)
+        end
+      else
+        snapshot = @container.snapshot_list.select { |sn| sn.first == snapname }
+        if snapshot.flatten.empty?
+          puts "Container '#{@container.name}' does not have a '#{snapname}' snapshot"
+        else
+          puts "Destroying snapshot '#{snapname}' of container '#{@container.name}'"
+          @container.snapshot_destroy(snapname)
+        end
+      end
+    end
+
+    def snapshot_list
+      snapshots = Array.new
+      return snapshots unless @container.defined?
+      @container.snapshot_list.each do |snapshot|
+        (snapname, snap_comment_file, snaptime) = snapshot
+        snap_comment = IO.read(snap_comment_file).chomp if File.exist?(snap_comment_file)
+        snapshots << [snapname, snaptime, snap_comment]
+      end
+      snapshots
+    end
+
+    def snapshot_restore(snapname=nil)
+      unless @container.defined?
+        puts "WARNING: Skipping container '#{@container.name}' because it does not exist"
+        return
+      end
+      if @container.running?
+        puts "WARNING: Skipping container '#{@container.name}' because it is running"
+        return
+      end
+      if snapname == "LAST"
+        if @container.snapshot_list.empty?
+          puts "WARNING: Skipping container '#{@container.name}' because it does not have any snapshots"
+        else
+          snapname = @container.snapshot_list.last.first
+          puts "Restoring snapshot '#{snapname}' of container '#{@container.name}'"
+          @container.snapshot_restore(snapname)
+        end
+      else
+        snapshot = @container.snapshot_list.select { |sn| sn.first == snapname }
+        if snapshot.flatten.empty?
+          puts "WARNING: Skipping container '#{@container.name}' because it does not have a '#{snapname}' snapshot"
+        else
+          puts "Restoring snapshot '#{snapname}' of container '#{@container.name}'"
+          @container.snapshot_restore(snapname)
+        end
+      end
+    end
+
+    def destroy
+      return unless @container.defined?
+      @container.snapshot_list.each { |snapshot| @container.snapshot_destroy(snapshot.first) }
+      hwaddr = @container.config_item("lxc.network.0.hwaddr")
+      @container.destroy
+      remove_static_ip_address(hwaddr)
+    end
+
+    def release_lingering_dhcp_ip_addresses(hwaddr)
+      dhcp_leases = IO.readlines('/var/lib/misc/dnsmasq.lxcbr0.leases')
+      leases_to_release = dhcp_leases.map do |dhcp_lease|
+        if m = dhcp_lease.match(/ #{hwaddr} (\d+\.\d+\.\d+\.\d+) /)
+          mac_addr = hwaddr
+          ip_addr = m[1]
+        elsif m = dhcp_lease.match(/ (\w\w:\w\w:\w\w:\w\w:\w\w:\w\w) #{@ipaddress} /)
+          mac_addr = m[1]
+          ip_addr = @ipaddress
+        elsif m = dhcp_lease.match(/ (\w\w:\w\w:\w\w:\w\w:\w\w:\w\w) (\d+\.\d+\.\d+\.\d+) #{@container.name.sub(/\.lxc$/, '')} /)
+          mac_addr = m[1]
+          ip_addr = m[2]
+        end
+        if mac_addr && ip_addr
+          { dhcp_lease: dhcp_lease, mac_addr: mac_addr, ip_addr: ip_addr }
+        end
+      end
+      leases_to_release.compact!
+      unless leases_to_release.empty?
+        system("systemctl stop lxc-net.service")
+        leases_to_release.each do |l|
+          puts "Releasing lingering DHCP lease: #{l[:dhcp_lease]}"
+          DevLXC.search_file_delete_line("/var/lib/misc/dnsmasq.lxcbr0.leases", /( #{l[:mac_addr]} #{l[:ip_addr]} )/)
+        end
+        system("systemctl start lxc-net.service")
+      end
+    end
+
+    def assign_static_ip_address(hwaddr)
+      puts "Assigning IP address #{@ipaddress} to '#{@container.name}' container's lxc.network.hwaddr #{hwaddr}"
+      DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /(^#{hwaddr}|,#{@ipaddress}$)/)
+      DevLXC.append_line_to_file("/etc/lxc/dhcp-hosts.conf", "#{hwaddr},#{@ipaddress}\n")
+      DevLXC.reload_dnsmasq
+    end
+
+    def remove_static_ip_address(hwaddr=nil)
+      if hwaddr
+        DevLXC.search_file_delete_line("/etc/lxc/dhcp-hosts.conf", /^#{hwaddr}/)
+        DevLXC.reload_dnsmasq
+      end
+    end
+
+  end
+end