Class: Pvectl::Presenters::Volume

Inherits:
Base
  • Object
show all
Defined in:
lib/pvectl/presenters/volume.rb

Overview

Presenter for virtual disks (volumes) attached to VMs and containers.

Defines column layout and formatting for table output. Standard columns show node, resource type, ID, name, storage, size, and format. Wide columns add volume ID, cache, discard, SSD, iothread, and backup flags.

Examples:

Using with formatter

presenter = Volume.new
formatter = Formatters::Table.new
output = formatter.format(volumes, presenter)

See Also:

Instance Method Summary collapse

Methods inherited from Base

#tags_array, #tags_display, #template_display, #to_wide_row, #uptime_human, #wide_columns

Instance Method Details

#columns ⇒ Array<String>

Returns column headers for standard table output.

Returns:

  • (Array<String>) —

    column headers



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# File 'lib/pvectl/presenters/volume.rb', line 23

def columns
  %w[NODE RESOURCE ID NAME STORAGE SIZE FORMAT]
end

#extra_columns ⇒ Array<String>

Returns additional column headers for wide output.

Returns:

  • (Array<String>) —

    extra column headers



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# File 'lib/pvectl/presenters/volume.rb', line 30

def extra_columns
  %w[VOLUME-ID CACHE DISCARD SSD IOTHREAD BACKUP]
end

#extra_values(model, **_context) ⇒ Array<String>

Returns additional values for wide output.

Parameters:

  • model (Models::Volume) —

    Volume model

  • _context (Hash) —

    optional context

Returns:

  • (Array<String>) —

    extra values matching extra_columns order



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# File 'lib/pvectl/presenters/volume.rb', line 57

def extra_values(model, **_context)
  @volume = model
  [
    volume.volume_id || "-",
    volume.cache || "-",
    volume.discard || "-",
    volume.ssd&.to_s || "-",
    volume.iothread&.to_s || "-",
    volume.backup&.to_s || "-"
  ]
end

#to_description(model) ⇒ Hash{String => Hash{String, String}}

Returns detailed description for describe command output.

Parameters:

Returns:

  • (Hash{String => Hash{String, String}}) —

    nested hash with Volume Info section



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# File 'lib/pvectl/presenters/volume.rb', line 99

def to_description(model)
  @volume = model
  { "Volume Info" => volume_info_section }
end

#to_hash(model) ⇒ Hash{String => untyped}

Converts Volume model to hash for JSON/YAML output.

Parameters:

Returns:

  • (Hash{String => untyped}) —

    hash representation with string keys



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# File 'lib/pvectl/presenters/volume.rb', line 73

def to_hash(model)
  @volume = model
  {
    "name" => volume.name,
    "storage" => volume.storage,
    "volume_id" => volume.volume_id,
    "volid" => volume.volid,
    "size" => volume.size,
    "format" => volume.format,
    "resource_type" => volume.resource_type,
    "resource_id" => volume.resource_id,
    "node" => volume.node,
    "content" => volume.content,
    "cache" => volume.cache,
    "discard" => volume.discard,
    "ssd" => volume.ssd,
    "iothread" => volume.iothread,
    "backup" => volume.backup,
    "mp" => volume.mp
  }
end

#to_row(model, **_context) ⇒ Array<String>

Converts Volume model to table row values.

Parameters:

  • model (Models::Volume) —

    Volume model

  • _context (Hash) —

    optional context

Returns:

  • (Array<String>) —

    row values matching columns order



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# File 'lib/pvectl/presenters/volume.rb', line 39

def to_row(model, **_context)
  @volume = model
  [
    volume.node || "-",
    volume.resource_type || "-",
    volume.resource_id&.to_s || "-",
    volume.name || "-",
    volume.storage || "-",
    volume.size || "-",
    volume.format || "-"
  ]
end