Module: OpenC3::LocalMode

Defined in:
lib/openc3/utilities/local_mode.rb

Constant Summary collapse

OPENC3_LOCAL_MODE_PATH = 
ENV['OPENC3_LOCAL_MODE_PATH'] || "/plugins"
DEFAULT_PLUGINS = 
[
  'openc3-cosmos-tool-admin',
  'openc3-cosmos-tool-autonomic',
  'openc3-cosmos-tool-bucketexplorer',
  'openc3-cosmos-tool-calendar',
  'openc3-cosmos-tool-cmdsender',
  'openc3-cosmos-tool-cmdtlmserver',
  'openc3-cosmos-tool-dataextractor',
  'openc3-cosmos-tool-dataviewer',
  'openc3-cosmos-tool-handbooks',
  'openc3-cosmos-tool-limitsmonitor',
  'openc3-cosmos-tool-packetviewer',
  'openc3-cosmos-tool-scriptrunner',
  'openc3-cosmos-tool-tablemanager',
  'openc3-cosmos-tool-tlmgrapher',
  'openc3-cosmos-tool-tlmviewer',
  'openc3-cosmos-enterprise-tool-admin',
  'openc3-enterprise-tool-base',
  'openc3-tool-base',
]

Class Method Summary collapse

Class Method Details

.analyze_local_mode(plugin_name:, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 127

def self.analyze_local_mode(plugin_name:, scope:)
  if ENV['OPENC3_LOCAL_MODE'] and Dir.exist?(OPENC3_LOCAL_MODE_PATH)
    # We already know a plugin with this name doesn't exist in the models
    # Now need to determine if there is a highly likely candidate that has been
    # updated, so that we don't do an erroneous extra plugin install

    gem_name = plugin_name.split("__")[0].split('-')[0..-2].join('-')

    local_plugins = scan_local_mode()
    scope_plugins = local_plugins[scope]
    if scope_plugins
      # Scan models for same gem
      found_models = {}
      models = OpenC3::PluginModel.all(scope: scope)
      models.each do |name, details|
        model_gem_name = name.split("__")[0].split('-')[0..-2].join('-')
        found_models[name] = details if gem_name == model_gem_name
      end

      # Definitely new install if no found models
      return nil if found_models.length == 0

      # Scan local for same gem and try to match pairs
      found_local_plugins = {}
      scope_plugins.each do |folder_path, details|
        gems = details[:gems]
        plugin_instance = details[:plugin_instance]
        next unless plugin_instance
        next if gems.length != 1

        local_gem_name = File.basename(gems[0]).split('-')[0..-2].join('-')
        if gem_name == local_gem_name
          # Gems match - Do the names match?
          data = File.read(plugin_instance)
          json = JSON.parse(data, :allow_nan => true, :create_additions => true)

          found = false
          found_models.each do |name, model_details|
            if json["name"] == name
              # Matched pair
              found = true
              break
            end
          end

          if found # names match
            # Remove from the list because we have a matched set
            # (local plugin_instance name and plugin model name)
            found_models.delete(json["name"])
          else
            # Found a local plugin with the right gem, but a different name
            found_local_plugins[folder_path] = details
          end
        end
      end

      # At this point we only have unmatched plugins in found_models

      # Not a local mode install if no found local plugins
      return nil if found_local_plugins.length == 0

      # If we have any unmatched models, assume this should match the first
      # (found_models are existing installed plugins with the same gem but
      # a different name)
      found_models.each do |name, model_details|
        puts "Choosing #{name} for update from local plugins"
        return model_details
      end
    end
  end
  return nil
end

.build_local_catalog(scope:) ⇒ Object

Returns equivalent names and sizes to remote catalog => size



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# File 'lib/openc3/utilities/local_mode.rb', line 447

def self.build_local_catalog(scope:)
  local_catalog = {}
  local_folder_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope}/targets_modified"
  prefix_length = "#{OPENC3_LOCAL_MODE_PATH}/".length
  FileUtils.mkdir_p(local_folder_path)
  Dir.glob(local_folder_path + "/**/*").each do |filename|
    next if File.directory?(filename)
    mod_filename = filename[prefix_length..-1]
    local_catalog[mod_filename] = File.size(filename)
  end
  return local_catalog
end

.build_remote_catalog(bucket, scope:) ⇒ Object

Returns keys and sizes from remote catalog => size



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# File 'lib/openc3/utilities/local_mode.rb', line 462

def self.build_remote_catalog(bucket, scope:)
  remote_catalog = {}
  prefix = "#{scope}/targets_modified"
  resp = bucket.list_objects(
    bucket: ENV['OPENC3_CONFIG_BUCKET'],
    prefix: prefix,
  )
  resp.each do |item|
    remote_catalog[item.key] = item.size
  end
  return remote_catalog
end

.delete_local(key) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 435

def self.delete_local(key)
  local_path = "#{OPENC3_LOCAL_MODE_PATH}/#{key}"
  File.delete(local_path) if File.exist?(local_path)
  nil
end

.delete_modified(target_name, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 361

def self.delete_modified(target_name, scope:)
  full_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope}/targets_modified/#{target_name}"
  FileUtils.rm_rf(full_path)
end

.delete_remote(bucket, key) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 441

def self.delete_remote(bucket, key)
  bucket.delete_object(bucket: ENV['OPENC3_CONFIG_BUCKET'], key: key)
end

.local_init ⇒ Object

Install plugins from local plugins folder Can only be used from openc3cli because calls top_level load_plugin



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# File 'lib/openc3/utilities/local_mode.rb', line 53

def self.local_init
  if ENV['OPENC3_LOCAL_MODE'] and Dir.exist?(OPENC3_LOCAL_MODE_PATH)
    puts "Local init running: #{OPENC3_LOCAL_MODE_PATH} exists"
    Dir.each_child(OPENC3_LOCAL_MODE_PATH).each do |scope_dir|
      next unless File.directory?("#{OPENC3_LOCAL_MODE_PATH}/#{scope_dir}")
      puts "Local init found scope: #{scope_dir}"
      Dir.each_child("#{OPENC3_LOCAL_MODE_PATH}/#{scope_dir}") do |plugin_dir|
        full_folder_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope_dir}/#{plugin_dir}"
        next if plugin_dir == "targets_modified" or not File.directory?(full_folder_path)
        puts "Local init found plugin_dir: #{full_folder_path}"
        gems, plugin_instance = scan_plugin_dir(full_folder_path)

        if gems.length > 1
          puts "Local plugin folder contains more than one gem - skipping: #{full_folder_path}"
          next
        end

        if gems.length == 1 and plugin_instance
          # If one gem file and plugin_instance.json - Install instance
          load_plugin(gems[0], scope: scope_dir.upcase, plugin_hash_file: plugin_instance)
        elsif gems.length == 1
          # Else If just gem  - Install with default settings
          load_plugin(gems[0], scope: scope_dir.upcase)
        else
          puts "Local plugin folder contains no gem file - skipping: #{full_folder_path}"
        end
      end
    end
    sync_targets_modified()
    puts "Local init complete"
  else
    puts "Local init canceled: Local mode not enabled or #{OPENC3_LOCAL_MODE_PATH} does not exist"
  end
end

.local_target_files(scope:, path_matchers:, include_temp: false) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 394

def self.local_target_files(scope:, path_matchers:, include_temp: false)
  files = []
  local_catalog = build_local_catalog(scope: scope)
  local_catalog.each do |key, size|
    split_key = key.split('/')
    # DEFAULT/targets_modified/__TEMP__/YYYY_MM_DD_HH_MM_SS_mmm_temp.rb
    # See target_file.rb TEMP_FOLDER
    if split_key[2] === '__TEMP__'
      files << split_key[2..-1].join('/') if include_temp
      next
    end
    if path_matchers
      found = false
      path_matchers.each do |path|
        if split_key.include?(path)
          found = true
          break
        end
      end
      next unless found
    end
    files << split_key[2..-1].join('/')
  end
  return files.sort
end

.modified_files(target_name, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 347

def self.modified_files(target_name, scope:)
  modified = []
  local_catalog = build_local_catalog(scope: scope)
  local_catalog.each do |key, size|
    split_key = key.split('/') # scope/targets_modified/target_name/*
    local_target_name = split_key[2]
    if target_name == local_target_name
      modified << split_key[3..-1].join('/')
    end
  end
  # Paths do not include target name
  return modified.sort
end

.modified_targets(scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 334

def self.modified_targets(scope:)
  targets = {}
  local_catalog = build_local_catalog(scope: scope)
  local_catalog.each do |key, size|
    split_key = key.split('/') # scope/targets_modified/target_name/*
    target_name = split_key[2]
    if target_name
      targets[target_name] = true
    end
  end
  return targets.keys.sort
end

.open_local_file(path, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 387

def self.open_local_file(path, scope:)
  full_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope}/targets_modified/#{path}"
  return File.open(full_path, 'rb')
rescue Errno::ENOENT
  nil
end

.put_target_file(path, io_or_string, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 374

def self.put_target_file(path, io_or_string, scope:)
  full_folder_path = "#{OPENC3_LOCAL_MODE_PATH}/#{path}"
  FileUtils.mkdir_p(File.dirname(full_folder_path))
  File.open(full_folder_path, 'wb') do |file|
    if String === io_or_string
      data = io_or_string
    else
      data = io_or_string.read
    end
    file.write(data)
  end
end

.remove_local_plugin(plugin_name, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 299

def self.remove_local_plugin(plugin_name, scope:)
  local_plugins = scan_local_mode()
  scope_local_plugins = local_plugins[scope]
  if scope_local_plugins
    scope_local_plugins.each do |full_folder_path, details|
      gems = details[:gems]
      plugin_instance = details[:plugin_instance]
      if gems.length == 1 and plugin_instance
        data = File.read(plugin_instance)
        json = JSON.parse(data, :allow_nan => true, :create_additions => true)
        instance_name = json['name']
        if plugin_name == instance_name
          puts "Removing local plugin files: #{full_folder_path}"
          File.delete(gems[0])
          File.delete(plugin_instance)
          if Dir.empty?(File.dirname(gems[0]))
            FileUtils.rm_rf(File.dirname(gems[0]))
          end
          break
        end
      end
    end
  end
end

.scan_local_mode ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 106

def self.scan_local_mode
  if ENV['OPENC3_LOCAL_MODE'] and Dir.exist?(OPENC3_LOCAL_MODE_PATH)
    local_plugins = {}

    Dir.each_child(OPENC3_LOCAL_MODE_PATH) do |scope_dir|
      full_scope_dir = "#{OPENC3_LOCAL_MODE_PATH}/#{scope_dir}"
      next unless File.directory?(full_scope_dir)
      local_plugins[scope_dir] ||= {}
      Dir.each_child("#{OPENC3_LOCAL_MODE_PATH}/#{scope_dir}") do |plugin_dir|
        full_folder_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope_dir}/#{plugin_dir}"
        next if plugin_dir == "targets_modified" or not File.directory?(full_folder_path)
        gems, plugin_instance = scan_plugin_dir(full_folder_path)
        local_plugins[scope_dir][full_folder_path] = {gems: gems, plugin_instance: plugin_instance}
      end
    end

    return local_plugins
  end
  return {}
end

.scan_plugin_dir(path) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 88

def self.scan_plugin_dir(path)
  gems = []
  plugin_instance = nil

  Dir.each_child(path) do |filename|
    full_path = "#{path}/#{filename}"
    if not File.directory?(full_path)
      if File.extname(filename) == '.gem'
        gems << full_path
      elsif filename == 'plugin_instance.json'
        plugin_instance = full_path
      end
    end
  end

  return gems, plugin_instance
end

.sync_local_to_remote(bucket, key) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 428

def self.sync_local_to_remote(bucket, key)
  local_path = "#{OPENC3_LOCAL_MODE_PATH}/#{key}"
  File.open(local_path, 'rb') do |read_file|
    bucket.put_object(bucket: ENV['OPENC3_CONFIG_BUCKET'], key: key, body: read_file)
  end
end

.sync_remote_to_local(bucket, key) ⇒ Object

Helper methods



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# File 'lib/openc3/utilities/local_mode.rb', line 422

def self.sync_remote_to_local(bucket, key)
  local_path = "#{OPENC3_LOCAL_MODE_PATH}/#{key}"
  FileUtils.mkdir_p(File.dirname(local_path))
  bucket.get_object(bucket: ENV['OPENC3_CONFIG_BUCKET'], key: key, path: local_path)
end

.sync_targets_modified ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 324

def self.sync_targets_modified
  if ENV['OPENC3_LOCAL_MODE'] and Dir.exist?(OPENC3_LOCAL_MODE_PATH)
    bucket = Bucket.getClient()
    scopes = ScopeModel.names()
    scopes.each do |scope|
      sync_with_bucket(bucket, scope: scope)
    end
  end
end

.sync_with_bucket(bucket, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 475

def self.sync_with_bucket(bucket, scope:)
  # Build catalogs
  local_catalog = build_local_catalog(scope: scope)
  remote_catalog = build_remote_catalog(bucket, scope: scope)

  # Find and Handle Differences
  local_catalog.each do |key, size|
    remote_size = remote_catalog[key]
    if remote_size
      # Both files exist
      if ENV['OPENC3_LOCAL_MODE_SECONDARY']
        sync_remote_to_local(bucket, key) if size != remote_size or ENV['OPENC3_LOCAL_MODE_FORCE_SYNC']
      else
        sync_local_to_remote(bucket, key) if size != remote_size or ENV['OPENC3_LOCAL_MODE_FORCE_SYNC']
      end
    else
      # Remote is missing local file
      if ENV['OPENC3_LOCAL_MODE_SECONDARY'] and ENV['OPENC3_LOCAL_MODE_SYNC_REMOVE']
        delete_local(key)
      else
        # Go ahead and copy up to get in sync
        sync_local_to_remote(bucket, key)
      end
    end
  end

  remote_catalog.each do |key, size|
    local_size = local_catalog[key]
    if local_size
      # Both files exist - Handled earlier
    else
      # Local is missing remote file
      if not ENV['OPENC3_LOCAL_MODE_SECONDARY'] and ENV['OPENC3_LOCAL_MODE_SYNC_REMOVE']
        delete_remote(bucket, key)
      else
        # Go ahead and copy down to get in sync
        sync_remote_to_local(bucket, key)
      end
    end
  end
end

.update_local_plugin(plugin_file_path, plugin_hash, old_plugin_name: nil, scope:) ⇒ Object

If old_plugin_name then this is an online upgrade



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# File 'lib/openc3/utilities/local_mode.rb', line 201

def self.update_local_plugin(plugin_file_path, plugin_hash, old_plugin_name: nil, scope:)
  if ENV['OPENC3_LOCAL_MODE'] and Dir.exist?(OPENC3_LOCAL_MODE_PATH)
    variables = plugin_hash['variables']
    if variables
      PluginModel::RESERVED_VARIABLE_NAMES.each do |name|
        variables.delete(name)
      end
    end
    if plugin_file_path =~ Regexp.new("^#{OPENC3_LOCAL_MODE_PATH}/#{scope}/")
      # From local init - Always just update the exact one
      File.open(File.join(File.dirname(plugin_file_path), 'plugin_instance.json'), 'wb') do |file|
        file.write(JSON.pretty_generate(plugin_hash, :allow_nan => true))
      end
    else
      # From online install / update
      # Or init install of container plugin
      # Try to find an existing local folder for this plugin
      found = false

      gem_name = File.basename(plugin_file_path).split('-')[0..-2].join('-')
      FileUtils.mkdir_p("#{OPENC3_LOCAL_MODE_PATH}/#{scope}")

      Dir.each_child("#{OPENC3_LOCAL_MODE_PATH}/#{scope}") do |plugin_dir|
        full_folder_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope}/#{plugin_dir}"
        next if plugin_dir == "targets_modified" or not File.directory?(full_folder_path)

        gems, plugin_instance = scan_plugin_dir(full_folder_path)
        next if gems.length > 1

        if gems.length == 1
          found_gem_name = File.basename(gems[0]).split('-')[0..-2].join('-')
          if found_gem_name == gem_name
            # Same gem at least - Now see if same instance
            if plugin_instance
              if old_plugin_name
                # And we're updating a plugin
                data = File.read(plugin_instance)
                json = JSON.parse(data, :allow_nan => true, :create_additions => true)
                if json["name"] == old_plugin_name
                  # Found plugin to update
                  found = true
                  update_local_plugin_files(full_folder_path, plugin_file_path, plugin_hash, gem_name)
                end
              else
                # New install of same plugin - Leave it alone
              end
            else
              # No exiting instance.json, but we found the same gem
              # This shouldn't happen without users using this wrong
              # We will update
              found = true
              update_local_plugin_files(full_folder_path, plugin_file_path, plugin_hash, gem_name)
            end
          end
        end
      end

      unless found
        # Then we will make a local version
        # Create a folder for this plugin and add gem and plugin_instance.json
        folder_name = gem_name
        count = 1
        while File.exist?("#{OPENC3_LOCAL_MODE_PATH}/#{scope}/#{folder_name}")
          folder_name = gem_name + "-" + count.to_s
          count += 1
        end
        full_folder_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope}/#{folder_name}"
        update_local_plugin_files(full_folder_path, plugin_file_path, plugin_hash, gem_name)
      end
    end
  end
end

.update_local_plugin_files(full_folder_path, plugin_file_path, plugin_hash, gem_name) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 274

def self.update_local_plugin_files(full_folder_path, plugin_file_path, plugin_hash, gem_name)
  return if DEFAULT_PLUGINS.include?(gem_name)
  puts "Updating local plugin files: #{full_folder_path}"
  FileUtils.mkdir_p(full_folder_path)
  gems, _ = scan_plugin_dir(full_folder_path)
  gems.each do |gem|
    File.delete(gem)
  end
  temp_dir = Dir.mktmpdir
  begin
    unless File.exist?(plugin_file_path)
      plugin_file_path = OpenC3::GemModel.get(plugin_file_path)
    end
    File.open(File.join(full_folder_path, File.basename(plugin_file_path)), 'wb') do |file|
      data = File.read(plugin_file_path)
      file.write(data)
    end
    File.open(File.join(full_folder_path, 'plugin_instance.json'), 'wb') do |file|
      file.write(JSON.pretty_generate(plugin_hash, :allow_nan => true))
    end
  ensure
    FileUtils.remove_entry(temp_dir) if temp_dir and File.exist?(temp_dir)
  end
end

.zip_target(target_name, zip, scope:) ⇒ Object 



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# File 'lib/openc3/utilities/local_mode.rb', line 366

def self.zip_target(target_name, zip, scope:)
  modified = modified_files(target_name, scope: scope)
  modified.each do |file_path|
    full_path = "#{OPENC3_LOCAL_MODE_PATH}/#{scope}/targets_modified/#{target_name}/#{file_path}"
    zip.add(file_path, full_path)
  end
end