Class: Registry

Inherits:
Object
  • Object
show all
Defined in:
lib/smartos-manager/core.rb

Direct Known Subclasses

CachedRegistry, SSHRegistry

Constant Summary collapse

LIST_COLUMNS = 
%w(
  uuid
  type
  ram
  state
  alias
  nics.0.ip
)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, cache_key:) ⇒ Registry

Returns a new instance of Registry.



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# File 'lib/smartos-manager/core.rb', line 93

def initialize(path, cache_key:)
  @registry = {}
  @hosts = {}
  @config_path = path
  @cache_path = "#{path}.cache"
  @cache = load_cache()
  @cache_key = cache_key
  
  @config = TOML.load_file(path)
  
  @global_data = @config.delete('global')
  @user_columns = @config.delete('user_columns') || {}
  
  @config.each do |name, opts|
    host = SSHHost.from_hash(name, opts, @global_data)
    @hosts[host.address] = host
  end
end

Instance Attribute Details

#user_columns ⇒ Object (readonly)

Returns the value of attribute user_columns.



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# File 'lib/smartos-manager/core.rb', line 91

def user_columns
  @user_columns
end

Instance Method Details

#diag ⇒ Object 



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# File 'lib/smartos-manager/core.rb', line 172

def diag
  ret = {}
  
  run_on_all("prtdiag").each do |addr, data|
    host = find_host(addr)
    system_id = "(none)"
    free_memory_banks = 0
    
    if matches = data.match(/^System Configuration: (.+)$/)
      system_id = matches[1]
      data.scan(/(empty).*DIMM\s+([0-9])/).each do |reg|
        free_memory_banks+= 1
      end
    end
    
    ret[host] = {
      system_id: system_id,
      free_memory_banks: free_memory_banks
    }
  end
  
  ret
end

#find_host(addr) ⇒ Object 



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# File 'lib/smartos-manager/core.rb', line 112

def find_host(addr)
  @hosts[addr]
end

#list_images ⇒ Object 



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# File 'lib/smartos-manager/core.rb', line 153

def list_images
  ret = {}
  
  columns = %w(uuid name version os)
  
  images = run_on_all("imgadm list -j")
  images.each do |addr, data|
    host = find_host(addr)
    json = JSON.parse(data)
    
    ret[host] = json.map do |img_data|
      Image.new( img_data['manifest'] )
    end
  end
  
  ret
end

#list_vms ⇒ Object 



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# File 'lib/smartos-manager/core.rb', line 116

def list_vms
  columns = LIST_COLUMNS + @user_columns.values
  
  ret = {}
  rss = {}
  
  # Memory used for each VM
  run_on_all("zonememstat").each do |_, data|
    data.split("\n").each do |line|
      # ignore headers / global
      unless line.start_with?('  ')
        uuid, used_mem, cap, _, _ = line.gsub(/\s+/, ' ').split(" ")
        rss[uuid] = used_mem.to_i.megabytes
      end
    end
  end
  
  vms = run_on_all("vmadm list -o #{columns.join(',')} -p")
  vms.each do |addr, data|
    host = find_host(addr)
    if data
      ret[host] = data.split("\n").map! do |line|
        dd = {}
        line.split(':', 20).each.with_index do |val, n|
          dd[columns[n]] = val
        end
        
        VirtualMachine.new(dd, rss)
      end
    else
      ret[host] = []
    end
  end
  
  ret
end

#sysinfo ⇒ Object 



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# File 'lib/smartos-manager/core.rb', line 196

def sysinfo
  ret = {}
  
  # Memory size: 8157 Megabytes
  run_on_all("prtconf | head -3 | grep Mem").each do |addr, data|
    host = find_host(addr)
    _, _, mem, _ = data.split(" ")
    ret[host] = {memory: mem.to_i.megabytes}
  end
  
  # main MAC address
  run_on_all("ifconfig e1000g0 | grep ether | cut -d ' ' -f 2").each do |addr, data|
    host = find_host(addr)
    ret[host][:mac0] = data.strip()
  end
  
  # disk infos
  run_on_all("diskinfo -Hp").each do |addr, data|
    host = find_host(addr)
    ret[host][:disks] = {}
    
    data.split("\n").each do |line|
      type, name, _, _, size_bytes, _, ssd = line.split("\t")
      ret[host][:disks][name] = {size: size_bytes.to_i}
    end
  end
  
  # disk size
  run_on_all("zfs list -Ho name,quota,volsize").each do |addr, data|
    host = find_host(addr)
    ret[host][:zfs_volumes] = {}
    
    data.split("\n").each do |line|
      name, quota, size = line.split("\t")
      ret[host][:zfs_volumes][name] = {size: size[0...-1].split(',').first, quota: quota[0...-1].split(',').first}
    end
  end
  
  # ARC Max Size
  # zfs:0:arcstats:c:2850704524
  # zfs:0:arcstats:size:1261112216
  run_on_all("kstat -C zfs:0:arcstats:c zfs:0:arcstats:size").each do |addr, data|
    host = find_host(addr)
    zfs_arc_current = nil
    zfs_arc_reserved = nil
    
    data.split("\n").each do |line|
      value = line.split(':').last.to_i
      if line.start_with?('zfs:0:arcstats:size:')
        zfs_arc_current = value
      else
        zfs_arc_reserved = value
      end
    end
    
    ret[host].merge!(
        zfs_arc_current: zfs_arc_current,
        zfs_arc_reserved: zfs_arc_reserved
      )
  end
  
  # joyent_20140207T053435Z
  run_on_all("uname -a | cut -d ' ' -f 4").each do |addr, data|
    host = find_host(addr)
    _, rev = data.strip().split('_')
    ret[host][:smartos_version] = rev
  end
  
  ret
end