Class: MuxTf::PlanSummaryHandler

Inherits:
Object
  • Object
show all
Extended by:
TerraformHelpers
Includes:
Coloring, TerraformHelpers, PiotrbCliUtils::Util
Defined in:
lib/mux_tf/plan_summary_handler.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from TerraformHelpers

tf_apply, tf_force_unlock, tf_init, tf_plan, tf_show, tf_validate

Methods included from Coloring

included, #pastel

Constructor Details

#initialize(data) ⇒ PlanSummaryHandler

rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/mux_tf/plan_summary_handler.rb', line 97

def initialize(data) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  @parts = []

  data["output_changes"]&.each do |output_name, v|
    case v["actions"]
    when ["no-op"]
      # do nothing
    when ["create"]
      parts << {
        type: "output",
        action: "create",
        after_unknown: v["after_unknown"],
        sensitive: [v["before_sensitive"], v["after_sensitive"]],
        address: output_name
      }
    when ["update"]
      parts << {
        type: "output",
        action: "update",
        after_unknown: v["after_unknown"],
        sensitive: [v["before_sensitive"], v["after_sensitive"]],
        address: output_name
      }
    when ["delete"]
      parts << {
        type: "output",
        action: "delete",
        after_unknown: v["after_unknown"],
        sensitive: [v["before_sensitive"], v["after_sensitive"]],
        address: output_name
      }
    else
      puts "[??] #{output_name}"
      puts "UNKNOWN OUTPUT ACTIONS: #{v['actions'].inspect}"
      puts "TODO: update plan_summary to support this!"
    end
  end

  data["resource_changes"]&.each do |v|
    next unless v["change"]

    case v["change"]["actions"]
    when ["no-op"]
      # do nothing
    when ["create"]
      parts << {
        type: "resource",
        action: "create",
        address: v["address"],
        deps: find_deps(data, v["address"])
      }
    when ["update"]
      parts << {
        type: "resource",
        action: "update",
        address: v["address"],
        deps: find_deps(data, v["address"])
      }
    when ["delete"]
      parts << {
        type: "resource",
        action: "delete",
        address: v["address"],
        deps: find_deps(data, v["address"])
      }
    when %w[delete create]
      parts << {
        type: "resource",
        action: "replace",
        address: v["address"],
        deps: find_deps(data, v["address"])
      }
    when %w[create delete]
      parts << {
        type: "resource",
        action: "replace (create before delete)",
        address: v["address"],
        deps: find_deps(data, v["address"])
      }
    when ["read"]
      parts << {
        type: "resource",
        action: "read",
        address: v["address"],
        deps: find_deps(data, v["address"])
      }
    else
      puts "[??] #{v['address']}"
      puts "UNKNOWN RESOURCE ACTIONS: #{v['change']['actions'].inspect}"
      puts "TODO: update plan_summary to support this!"
    end
  end

  prune_unchanged_deps(parts)
end

Class Method Details

.color_for_action(action) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 32

def color_for_action(action)
  case action
  when "create", "add"
    :green
  when "update", "change"
    :yellow
  when "delete", "remove"
    :red
  when "replace" # rubocop:disable Lint/DuplicateBranch
    :red
  when "replace (create before delete)" # rubocop:disable Lint/DuplicateBranch
    :red
  when "read"
    :cyan
  when "import" # rubocop:disable Lint/DuplicateBranch
    :cyan
  else
    :reset
  end
end

.data_from_file(file) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 16

def data_from_file(file)
  if File.exist?("#{file}.json") && File.mtime("#{file}.json").to_f >= File.mtime(file).to_f
    JSON.parse(File.read("#{file}.json"))
  else
    puts "Analyzing changes ..."
    result = tf_show(file, json: true)
    data = result.parsed_output
    File.write("#{file}.json", JSON.dump(data))
    data
  end
end

.format_action(action) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 72

def format_action(action)
  color = color_for_action(action)
  symbol = symbol_for_action(action)
  pastel.decorate(symbol, color)
end

.format_address(address) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 78

def format_address(address)
  result = []
  parts = ResourceTokenizer.tokenize(address)
  parts.each_with_index do |(part_type, part_value), index|
    case part_type
    when :rt
      result << "." if index.positive?
      result << pastel.cyan(part_value)
    when :rn
      result << "."
      result << part_value
    when :ri
      result << pastel.green(part_value)
    end
  end
  result.join
end

.from_data(data) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 28

def from_data(data)
  new(data)
end

.from_file(file) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 11

def from_file(file)
  data = data_from_file(file)
  new data
end

.symbol_for_action(action) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 53

def symbol_for_action(action)
  case action
  when "create"
    "+"
  when "update"
    "~"
  when "delete"
    "-"
  when "replace"
    "∓"
  when "replace (create before delete)"
    "±"
  when "read"
    ">"
  else
    action
  end
end

Instance Method Details

#flat_summary ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 235

def flat_summary
  result = []
  resource_parts.each do |part|
    result << "[#{self.class.format_action(part[:action])}] #{self.class.format_address(part[:address])}"
  end
  result
end

#nested_summary ⇒ Object

rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/mux_tf/plan_summary_handler.rb', line 268

def nested_summary # rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  result = []
  parts = resource_parts.deep_dup
  until parts.empty?
    part = parts.shift
    if part[:deps] == []
      indent = if part[:met_deps] && !part[:met_deps].empty?
                 "  "
               else
                 ""
               end
      message = "[#{self.class.format_action(part[:action])}]#{indent} #{self.class.format_address(part[:address])}"
      message += " - (needs: #{part[:met_deps].join(', ')})" if part[:met_deps]
      result << message
      parts.each do |ipart|
        d = ipart[:deps].delete(part[:address])
        if d
          ipart[:met_deps] ||= []
          ipart[:met_deps] << d
        end
      end
    else
      parts.unshift part
    end
  end
  result
end

#output_parts ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 197

def output_parts
  parts.select { |part| part[:type] == "output" }
end

#output_summary ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 254

def output_summary
  result = []
  output_parts.each do |part|
    pieces = [
      "[#{self.class.format_action(part[:action])}]",
      self.class.format_address("output.#{part[:address]}"),
      part[:after_unknown] ? "(unknown)" : nil,
      sensitive_summary(*part[:sensitive])
    ].compact
    result << pieces.join(" ")
  end
  result
end

#resource_parts ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 193

def resource_parts
  parts.select { |part| part[:type] == "resource" }
end

#run_interactive ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 296

def run_interactive
  prompt = TTY::Prompt.new
  result = prompt.multi_select("Update resources:", per_page: 99, echo: false) { |menu|
    resource_parts.each do |part|
      label = "[#{self.class.format_action(part[:action])}] #{self.class.format_address(part[:address])}"
      menu.choice label, part[:address]
    end
  }

  if result.empty?
    throw :abort, "nothing selected"
  else
    log "Re-running apply with the selected resources ..."
    MuxTf::Cli::Current.run_plan(targets: result)
  end
end

#sensitive_summary(before_value, after_value) ⇒ Object 



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# File 'lib/mux_tf/plan_summary_handler.rb', line 243

def sensitive_summary(before_value, after_value)
  # before vs after
  if before_value && after_value
    "(#{pastel.yellow('sensitive')})"
  elsif before_value
    "(#{pastel.red('-sensitive')})"
  elsif after_value
    "(#{pastel.cyan('+sensitive')})"
  end
end

#summary ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/mux_tf/plan_summary_handler.rb', line 201

def summary # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  # resources
  resource_summary = {}
  resource_parts.each do |part|
    resource_summary[part[:action]] ||= 0
    resource_summary[part[:action]] += 1
  end
  resource_pieces = resource_summary.map { |k, v|
    color = self.class.color_for_action(k)
    "#{pastel.yellow(v)} to #{pastel.decorate(k, color)}"
  }

  # outputs
  output_summary = {}
  output_parts.each do |part|
    output_summary[part[:action]] ||= 0
    output_summary[part[:action]] += 1
  end
  output_pieces = output_summary.map { |k, v|
    color = self.class.color_for_action(k)
    "#{pastel.yellow(v)} to #{pastel.decorate(k, color)}"
  }

  if resource_pieces.any? || output_pieces.any?
    [
      "Plan Summary:",
      resource_pieces.any? ? resource_pieces.join(pastel.gray(", ")) : nil,
      output_pieces.any? ? "Outputs: #{output_pieces.join(pastel.gray(', '))}" : nil
    ].compact.join(" ")
  else
    "Plan Summary: no changes"
  end
end