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# File 'lib/gzr/modules/session.rb', line 105
def login(min_api_version=nil)
if (@options[:client_id].nil? && ENV["LOOKERSDK_CLIENT_ID"])
@options[:client_id] = ENV["LOOKERSDK_CLIENT_ID"]
end
if (@options[:client_secret].nil? && ENV["LOOKERSDK_CLIENT_SECRET"])
@options[:client_secret] = ENV["LOOKERSDK_CLIENT_SECRET"]
end
if (@options[:api_version].nil? && ENV["LOOKERSDK_API_VERSION"])
@options[:api_version] = ENV["LOOKERSDK_API_VERSION"]
end
if (@options[:verify_ssl] && ENV["LOOKERSDK_VERIFY_SSL"])
@options[:verify_ssl] = !(/^f(alse)?$/i =~ ENV["LOOKERSDK_VERIFY_SSL"])
end
if ((@options[:host] == 'localhost') && ENV["LOOKERSDK_BASE_URL"])
base_url = ENV["LOOKERSDK_BASE_URL"]
@options[:ssl] = !!(/^https/ =~ base_url)
@options[:host] = /^https?:\/\/([^:\/]+)/.match(base_url)[1]
md = /:([0-9]+)\/?$/.match(base_url)
@options[:port] = md[1] if md
end
say_ok("using options #{@options.select { |k,v| k != 'client_secret' }.map { |k,v| "#{k}=>#{v}" }}") if @options[:debug]
@secret = nil
begin
conn_hash = build_connection_hash
sawyer_options = {
:links_parser => Sawyer::LinkParsers::Simple.new,
:serializer => LookerSDK::Client::Serializer.new(JSON),
:faraday => Faraday.new(conn_hash[:connection_options]) do |conn|
if @options[:persistent]
conn.adapter :net_http_persistent
end
end
}
endpoint = conn_hash[:api_endpoint]
endpoint_uri = URI.parse(endpoint)
root = endpoint.slice(0..-endpoint_uri.path.length)
agent = Sawyer::Agent.new(root, sawyer_options) do |http|
http.[:accept] = 'application/json'
http.[:user_agent] = conn_hash[:user_agent]
end
begin
versions_response = agent.call(:get,"/versions")
@versions = versions_response.data.supported_versions
@current_version = versions_response.data.current_version.version
rescue Faraday::SSLError => e
raise Gzr::CLI::Error, "SSL Certificate could not be verified\nDo you need the --no-verify-ssl option or the --no-ssl option?"
rescue Faraday::ConnectionFailed => cf
raise Gzr::CLI::Error, "Connection Failed.\nDid you specify the --no-ssl option for an ssl secured server?\nYou may need to use --port=443 in some cases as well."
rescue LookerSDK::NotFound => nf
say_warning "endpoint #{root}/versions was not found"
end
end
say_warning "API current_version #{@current_version}" if @options[:debug]
say_warning "API versions #{@versions.map{|v| v.version}}" if @options[:debug]
raise Gzr::CLI::Error, "Operation requires API v#{min_api_version}, but user specified version #{@options[:api_version]}" unless sufficient_version?(@options[:api_version],min_api_version)
api_version = [min_api_version, @current_version].max
raise Gzr::CLI::Error, "Operation requires API v#{api_version}, which is not available from this host" if api_version && !@versions.any? {|v| v.version == api_version}
raise Gzr::CLI::Error, "User specified API v#{@options[:api_version]}, which is not available from this host" if @options[:api_version] && !@versions.any? {|v| v.version == @options[:api_version]}
conn_hash = build_connection_hash(@options[:api_version] || api_version)
@secret = nil
say_ok("connecting to #{conn_hash.map { |k,v| "#{k}=>#{(k == :client_secret) ? '*********' : v}" }}") if @options[:debug]
begin
faraday = Faraday.new(conn_hash[:connection_options]) do |conn|
if @options[:persistent]
conn.adapter :net_http_persistent
end
end
@sdk = LookerSDK::Client.new(conn_hash.merge(faraday: faraday)) unless @sdk
say_ok "check for connectivity: #{@sdk.alive?}" if @options[:debug]
say_ok "verify authentication: #{@sdk.authenticated?}" if @options[:debug]
rescue LookerSDK::Unauthorized => e
say_error "Unauthorized - credentials are not valid"
raise
rescue LookerSDK::Error => e
say_error "Unable to connect"
say_error e.message
say_error e.errors if e.respond_to?(:errors) && e.errors
raise
end
raise Gzr::CLI::Error, "Invalid credentials" unless @sdk.authenticated?
if @options[:su] then
say_ok "su to user #{@options[:su]}" if @options[:debug]
@access_token_stack.push(@sdk.access_token)
begin
@sdk.access_token = @sdk.login_user(@options[:su]).access_token
say_warning "verify authentication: #{@sdk.authenticated?}" if @options[:debug]
rescue LookerSDK::Error => e
say_error "Unable to su to user #{@options[:su]}"
say_error e.message
say_error e.errors if e.respond_to?(:errors) && e.errors
raise
end
end
@sdk
end
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