Class: Pvectl::Commands::MigrateVm

Inherits:
Object
  • Object
show all
Includes:
MigrateCommand
Defined in:
lib/pvectl/commands/migrate_vm.rb,
sig/pvectl/commands/migrate_vm.rbs

Overview

Handler for the pvectl migrate vm command.

Migrates one or more virtual machines to another cluster node. Always requires --target and confirmation (--yes to skip).

Examples:

Migrate a single VM

pvectl migrate vm 100 --target pve2 --yes

Online migration

pvectl migrate vm 100 --target pve2 --online --yes

Constant Summary collapse

RESOURCE_TYPE = 
:vm
SUPPORTED_RESOURCES = 
%w[vm].freeze

Constants included from MigrateCommand

Pvectl::Commands::MigrateCommand::NODE_NAME_FORMAT

Class Method Summary collapse

Methods included from MigrateCommand

#apply_selectors, #confirm_operation, #determine_exit_code, #execute, included, #initialize, #load_config, #no_resources_found, #output_results, #perform_operation, #resolve_resources, #resource_type_symbol, #restart_not_allowed?, #selector_strings, #service_options, #usage_error

Class Method Details

.register(cli) ⇒ void

This method returns an undefined value.

Registers the migrate command with the CLI.



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# File 'lib/pvectl/commands/migrate_vm.rb', line 23

def self.register(cli)
  cli.desc "Migrate a resource to another node"
  cli.long_desc "    Migrate virtual machines or containers between cluster nodes.\n    Supports live migration (--online) for zero-downtime moves.\n\n    EXAMPLES\n      Offline migration:\n        $ pvectl migrate vm 100 --target pve2\n\n      Live migration (zero downtime):\n        $ pvectl migrate vm 100 --target pve2 --online\n\n      Migrate a container with restart:\n        $ pvectl migrate ct 200 --target pve2 --restart\n\n      Migrate to different storage:\n        $ pvectl migrate vm 100 --target pve2 --target-storage local-lvm\n\n      Batch migrate all VMs from a node:\n        $ pvectl migrate vm --all --node pve1 --target pve2 --yes\n\n      Migrate VMs matching a selector:\n        $ pvectl migrate vm --all -l tags=web --target pve2 --yes\n\n    NOTES\n      --online (live migration) requires shared storage or migration\n      network configured between nodes.\n\n      Container migration with --restart briefly stops the container,\n      migrates, then starts it on the target node.\n\n      --target is required for all migrations.\n\n      Default timeout is 600 seconds. Use --timeout to adjust for\n      large VMs with lots of memory/disk.\n\n    SEE ALSO\n      pvectl help clone           Clone instead of move\n      pvectl help get nodes       List available target nodes\n  HELP\n  cli.arg_name \"RESOURCE_TYPE [ID...]\"\n  cli.command :migrate do |c|\n    c.desc \"Target node (required)\"\n    c.flag [:target, :t], arg_name: \"NODE\"\n\n    c.desc \"Online/live migration\"\n    c.switch [:online], negatable: false\n\n    c.desc \"Restart migration (container only)\"\n    c.switch [:restart], negatable: false\n\n    c.desc \"Target storage mapping\"\n    c.flag [:\"target-storage\"], arg_name: \"STORAGE\"\n\n    c.desc \"Select all resources of this type\"\n    c.switch [:all, :A], negatable: false\n\n    c.desc \"Filter by source node\"\n    c.flag [:node, :n], arg_name: \"NODE\"\n\n    c.desc \"Filter by selector (e.g., status=running,tags=prod)\"\n    c.flag [:l, :selector], arg_name: \"SELECTOR\", multiple: true\n\n    c.desc \"Skip confirmation prompt\"\n    c.switch [:yes, :y], negatable: false\n\n    c.desc \"Stop on first error\"\n    c.switch [:\"fail-fast\"], negatable: false\n\n    c.desc \"Wait for migration to complete (sync mode)\"\n    c.switch [:wait], negatable: false\n\n    c.desc \"Timeout in seconds for sync operations (default: 600)\"\n    c.flag [:timeout], type: Integer, arg_name: \"SECONDS\"\n\n    c.action do |global_options, options, args|\n      resource_type = args.shift\n\n      exit_code = case resource_type\n      when \"vm\"\n        Commands::MigrateVm.execute(args, options, global_options)\n      when \"container\", \"ct\"\n        Commands::MigrateContainer.execute(args, options, global_options)\n      else\n        $stderr.puts \"Error: Unknown resource type: \#{resource_type}\"\n        $stderr.puts \"Valid types: vm, container, ct\"\n        ExitCodes::USAGE_ERROR\n      end\n\n      exit exit_code if exit_code != 0\n    end\n  end\nend\n"