Class: Fog::Compute::Vmfusion::Server

Inherits:
Model
  • Object
show all
Defined in:
lib/fog/vmfusion/models/compute/server.rb

Instance Attribute Summary collapse

Attributes inherited from Model

#collection, #connection

Instance Method Summary collapse

Methods inherited from Model

#initialize, #inspect, #reload, #to_json, #wait_for

Methods included from Attributes::ClassMethods

#_load, #aliases, #attribute, #attributes, #identity, #ignore_attributes, #ignored_attributes

Methods included from Attributes::InstanceMethods

#_dump, #attributes, #dup, #identity, #identity=, #merge_attributes, #new_record?, #requires, #requires_one

Constructor Details

This class inherits a constructor from Fog::Model

Instance Attribute Details

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 16

def password
  @password
end

#private_key ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 248

def private_key
  @private_key ||= private_key_path && File.read(private_key_path)
end

#private_key_path ⇒ Object

Just setting local versions of some variables that were going to use for SSH operations.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 243

def private_key_path
  @private_key_path ||= Fog.credentials[:private_key_path]
  @private_key_path &&= File.expand_path(@private_key_path)
end

#public_key ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 257

def public_key
  @public_key ||= public_key_path && File.read(public_key_path)
end

#public_key_path ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 252

def public_key_path
  @public_key_path ||= Fog.credentials[:public_key_path]
  @public_key_path &&= File.expand_path(@public_key_path)
end

#username ⇒ Object

Sets up a conveinent way to SSH into a Fusion VM using credentials stored in your .fog file.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 182

def username
  @username ||= 'root'
end

Instance Method Details

#clone(name) ⇒ Object

Fussion doesn’t have the concept of templates so one just clones regular VMs.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 27

def clone(name)
  requires :raw

  ::Fission::VM.clone(@raw[:fission].name,name)
  return connection.servers.get(name)
end

#destroy(options = { :force => false }) ⇒ Object

Destroy, deletes the VM from the local disk but only hard stops the VM before doing so if you set :force to true.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 36

def destroy(options = { :force => false })
  requires :raw

  if ready?
    if options[:force]
      stop
    end
  end

  @raw[:fission].delete
end

#halt ⇒ Object

Halt and poweroff are just synonyms for stop.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 77

def halt
  stop
end

#ipaddress ⇒ Object

We obtain the first ipaddress. This should generally be a safe assumption for Fusion. Even if an address is provided via NAT, bridge, or host only it will by accessible from the host machine the VM resides on.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 150

def ipaddress
  requires :raw
  ip(@raw[:fission])
end

#mac_addresses ⇒ Object

Collecting all mac_addresses the VM has…mostly just because we are doing the same thing for the vSphere provider.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 174

def mac_addresses
  requires :raw
  macs(@raw[:fission])
end

#path ⇒ Object

Path to the VM’s vmx file on the local disk.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 141

def path
  requires :raw
  @raw[:fission].path
end

#power_state ⇒ Object

The power state of the VM is commonly going to be three values; running, not running, or suspended.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 130

def power_state
  requires :raw
  @raw[:fission].state.data
end

#poweroff ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 81

def poweroff
  stop
end

#private_ip_address ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 164

def private_ip_address
  ipaddress
end

#public_ip_address ⇒ Object

Keeping these three methods around for API compatibility reasons. Makes the vmfusion provider function similar to cloud providers and the vsphere provider. Future goal is to add an actual private and public concept. Needs changes to fission and a determination what is a public or private address here; bridge, nat, host-only.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 160

def public_ip_address
  ipaddress
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/vmfusion/models/compute/server.rb', line 135

def ready?
  requires :raw
  @raw[:fission].running?.data
end

#reboot ⇒ Object

Attempt a graceful shutdown, wait for the VM to completely shutdown and then start it again.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 100

def reboot
  if ready?
    shutdown
    wait_for { ! ready? }
    start
    return true
  else
    return false
  end
end

#resume ⇒ Object

Resuming from suspend is the same thing as start to Fusion.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 112

def resume
  start
end

#save ⇒ Object

There is currently no documented model of creating VMs from scratch sans Fusion’s wizard.

Raises:



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 21

def save
  raise Fog::Errors::Error.new('Creating a new vm is not yet supported')
end

#scp(local_path, remote_path, upload_options = {}) ⇒ Object

SCP something to our VM.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 200

def scp(local_path, remote_path, upload_options = {})
  requires :ipaddress, :username

  scp_options = {}
  scp_options[:password] = password unless self.password.nil?
  scp_options[:key_data] = [private_key] if self.private_key

  Fog::SCP.new(ipaddress, username, scp_options).upload(local_path, remote_path, upload_options)
end

#setup(credentials = {}) ⇒ Object

Sets up a new SSH key on the VM so one doesn’t need to use a password ever again.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 212

def setup(credentials = {})
  requires :public_key, :ipaddress, :username

  credentials[:password] = password unless self.password.nil?
  credentails[:key_data] = [private_key] if self.private_key

  commands = [
    %{mkdir .ssh},
  ]
  if public_key
    commands << %{echo "#{public_key}" >> ~/.ssh/authorized_keys}
  end

  # wait for domain to be ready
  Timeout::timeout(360) do
    begin
      Timeout::timeout(8) do
        Fog::SSH.new(ipaddress, username, credentials.merge(:timeout => 4)).run('pwd')
      end
    rescue Errno::ECONNREFUSED
      sleep(2)
      retry
    rescue Net::SSH::AuthenticationFailed, Timeout::Error
      retry
    end
  end
  Fog::SSH.new(ipaddress, username, credentials).run(commands)
end

#shutdown ⇒ Object

This is a graceful shutdown but Fusion is only capable of a graceful shutdown if tools are installed. Fusion does the right thing though and if graceful can’t be initiated it just does a hard stop.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 88

def shutdown
  requires :raw
  if ready?
    @raw[:fission].stop
    return true
  else
    return false
  end
end

#ssh(commands) ⇒ Object

Simply spawn an SSH session.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 187

def ssh(commands)
  requires :ipaddress, :username

  #requires :password, :private_key
  ssh_options={}
  ssh_options[:password] = password unless password.nil?
  ssh_options[:key_data] = [private_key] if private_key

  Fog::SSH.new(ipaddress, @username, ssh_options).run(commands)

end

#start(options = { :headless => false }) ⇒ Object

Start is pretty self explanatory…if you pass :headless as true you won’t get a console on launch.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 50

def start(options = { :headless => false })
  requires :raw

  unless ready?
    @raw[:fission].start(:headless => options[:headless])
    return true
  else
    return false
  end
end

#state ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 168

def state
  power_state
end

#stop ⇒ Object

Stop is a hard stop, like pulling out the power cord.



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 65

def stop
  requires :raw

  if ready?
    @raw[:fission].stop(:hard => true)
    return true
  else
    return false
  end
end

#suspend ⇒ Object 



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# File 'lib/fog/vmfusion/models/compute/server.rb', line 116

def suspend
  requires :raw
  if ready?
    @raw[:fission].suspend
    return true
  else
    return false
  end
end