Class: Strata::CLI::SubCommands::Datasource

Inherits:
Thor
  • Object
show all
Extended by:
Helpers::DescriptionHelper
Includes:
DatasourceHelper, Guard, Terminal, Thor::Actions
Defined in:
lib/strata/cli/sub_commands/datasource.rb

Constant Summary

Constants included from DatasourceHelper

DatasourceHelper::ADAPTER_DRIVER_GEMS

Constants included from Guard

Guard::ALLOWED_COMMANDS

Instance Method Summary collapse

Methods included from Helpers::DescriptionHelper

long_desc_from_file

Methods included from DatasourceHelper

#apply_readonly_mode, #create_adapter, #ds_config, #ensure_adapter_driver_gems!, #load_adapter_driver_gems!, #resolve_datasource, #resolve_datasource_value

Methods included from Terminal

#create_spinner, #print_table, #with_spinner

Methods included from Guard

#invoke_command

Instance Method Details

#adapters ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 22

def adapters
  say "\n\tSupported Adapters\n\n", :yellow
  DWH.adapters.each_key do
    say "\t\t● #{it}", :magenta
  end
end

#add(adapter_name = nil) ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 60

def add(adapter_name = nil)
  prompt = TTY::Prompt.new

  if adapter_name && !DWH.adapters.keys.map(&:to_s).include?(adapter_name)
    say "Error: '#{adapter_name}' is not a supported adapter", :red
    say "Supported adapters: #{DWH.adapters.keys.join(", ")}", :yellow
    return
  end

  adapter = adapter_name || prompt.select("Choose adapter:", DWH.adapters.keys.map(&:to_s))
  default_key = generate_default_ds_key(adapter)
  ds_key = prompt.ask("Datasource key (unique identifier):", default: default_key) do |q|
    q.required true
    q.validate(/\A[a-z_][a-z0-9_]*\z/i,
      "Key must be alphanumeric with underscores, starting with a letter or underscore")
  end

  say "\n  Configure #{adapter} datasource (press Enter to accept defaults):\n", :yellow

  # Collect common fields
  config = {"adapter" => adapter}
  config["name"] = prompt.ask("  Display name:", default: ds_key.upcase)
  config["description"] = prompt.ask("  Description:", default: "#{adapter.capitalize} datasource")
  config["tier"] = prompt.select("  Tier:", %w[hot warm cold], default: "warm")
  config["query_timeout"] = prompt.ask("  Query timeout (seconds):", default: "3600", convert: :int)

  # Collect adapter-specific fields
  adapter_fields(adapter).each do |field, default_value|
    config[field] = if field == "auth_mode"
      default_value
    elsif %w[ssl azure].include?(field)
      prompt.yes?("  #{field.tr("_", " ").capitalize}?", default: default_value)
    elsif field == "port"
      prompt.ask("  #{field.capitalize}:", default: default_value.to_s, convert: :int)
    else
      prompt.ask("  #{humanize_field(field)}:", default: default_value)
    end
  end

  require_relative "../generators/datasource"
  generator = Generators::Datasource.new([adapter, ds_key], options.merge(config: config))
  generator.invoke_all

  say "\n✔ Added #{adapter} config to datasources.yml", :green

  # Automatically collect credentials if required
  creds = Credentials.new(adapter, datasource_config: config)
  if creds.required?
    say "\n  Now let's set up credentials:\n", :yellow
    say "  Note: Credentials are stored securely in the local .strata file", :cyan
    say "  and are NOT committed to the repository (ensured by .gitignore).", :cyan
    if adapter == "databricks"
      say "  Databricks uses OAuth M2M with service principal credentials (client ID + client secret).", :cyan
    end
    say ""
    creds.collect
    creds.write_local(ds_key, self)
    say "\n✔ Credentials saved to .strata file", :green
  else
    say "\n  No credentials required for #{adapter}.", :yellow
  end

  # AI Setup
  if ai_not_configured? && prompt.yes?("\n  Enable AI-powered features?", default: true)
    collect_ai_config(prompt)
  elsif ai_not_configured?
    say "\n  AI features skipped. You can configure them later with 'strata ds auth' or manually in .strata",
      :yellow
  end

  say "\n✔ Datasource '#{ds_key}' is ready!", :green
end

#auth(ds_key) ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 136

def auth(ds_key)
  unless datasources[ds_key]
    say "Error: Datasource '#{ds_key}' not found in datasources.yml", :red
    return
  end

  adapter = datasources[ds_key]["adapter"]
  creds = Credentials.new(adapter, datasource_config: datasources[ds_key])

  unless creds.required?
    say "Credentials not required for #{adapter} adapter.", :yellow
    return
  end

  say "\nEnter credentials for #{ds_key}", :red
  say "  Note: Credentials are stored securely in the local .strata file", :cyan
  say "  and are NOT committed to the repository (ensured by .gitignore).", :cyan
  if adapter == "databricks"
    say "  Databricks uses OAuth M2M with service principal credentials (client ID + client secret).", :cyan
  end
  say ""
  creds.collect
  creds.write_local(ds_key, self)

  say "Credentials saved successfully to .strata file.", :green
end

#check ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 30

def check
  rows = adapter_gem_status.map do |adapter, info|
    status = info[:installed] ? "✔" : "✗"
    [adapter.to_s, info[:gem], status]
  end
  say "\n  Adapter gem status:\n\n", :yellow
  print_table(rows, headers: %w[Adapter Gem Installed], color: :magenta)
  say "\n  Install missing gems with: gem install <gem_name>", :cyan
end

#exec(ds_key) ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 222

def exec(ds_key)
  adapter = create_adapter(ds_key)
  if options[:file]
    file_path = validate_file_path(options[:file])
    queries = File.read(file_path).split(";").reject { it.nil? || it.strip == "" }
  elsif options[:query]
    queries = options[:query].split(";").reject { it.nil? || it.strip == "" }
  else
    raise StrataError, "Either a file (-f) or a query (-q) should b submitted."
  end

  queries.each_with_index do |query, index|
    puts ""
    res = ("running #{index + 1}/#{queries.length} queries...") do
      adapter.execute(query, format: :object)
    end
    print_table(res.map(&:values), headers: res.first.keys)
  end
rescue => e
  say "\n\t!!Failed: #{e.message}", :red
end

#list ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 41

def list
  ds = begin
    YAML.safe_load_file("datasources.yml", permitted_classes: [Date, Time], aliases: true) || {}
  rescue Errno::ENOENT
    {}
  end

  if ds.empty?
    say "No datasources configured. Run 'strata datasource add' to add one.", :yellow
    return
  end

  names = ds.keys.map { "#{it} => #{ds[it]["name"]}" }
  out = "\n  #{names.join("\n  ")}"
  say out, :magenta
end

#meta(ds_key, table_name) ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 205

def meta(ds_key, table_name)
  say "\n● Schema for table: #{table_name} (#{ds_key}):\n", :yellow
  adapter = create_adapter(ds_key)
  md = adapter.metadata(table_name, **options.transform_keys(&:to_sym))

  headings = md.columns.first.to_h.keys
  rows = md.columns.map(&:to_h).map(&:values)

  say print_table(rows, headers: headings, color: :yellow)
rescue => e
  say "\n\t!!Failed: #{e.message}", :red
end

#tables(ds_key = nil) ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 180

def tables(ds_key = nil)
  prompt = TTY::Prompt.new
  ds_key = resolve_datasource(ds_key, prompt: prompt)
  return unless ds_key

  say "\nListing #{ds_key} tables...\n\n", :yellow
  adapter = create_adapter(ds_key)
  tables = adapter.tables(**options)
  tables = tables.select { it =~ /#{options[:pattern]}/ } if options[:pattern]

  if tables.empty?
    say "No tables found.", :yellow
    return
  end

  # Use interactive list for browsing
  prompt.select("Tables in #{ds_key} (Type to filter):", tables, per_page: 20, filter: true)
rescue => e
  say "\n\t!!Failed: #{e.message}", :red
end

#test(ds_key) ⇒ Object 



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# File 'lib/strata/cli/sub_commands/datasource.rb', line 165

def test(ds_key)
  adapter = create_adapter(ds_key)
  ("Testing #{ds_key} connection...", success_message: "Connected!",
    failed_message: "Failed to connect.") do
    adapter.test_connection(raise_exception: true)
  end
rescue => e
  say "\t!! Failed to connect: \n\t#{e.message}", :red
end