NIHVIVO-76 Brute force script to shut down Tomcat, clear the MySQL database, and restart Tomcat. This should do for now.
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1 changed files with 48 additions and 64 deletions
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@ -1,26 +1,30 @@
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=begin
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--------------------------------------------------------------------------------
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Stop the vivo application, delete all mysql tables, and start the application
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again.
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Stop the Vitro application, delete all MySQL tables from the Vitro database, and
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start the application again.
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--------------------------------------------------------------------------------
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Parameters:
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-- the base URL of the vivo application: e.g. "http://localhost:8080/vivo"
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-- the username and password of a Tomcat account authorized as a "manager".
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-- the username and password of the MySQL account for the vivo application
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-- the name of the MySQL database for the vivo application
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tomcat_stop_command
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A "shell" command that will stop the Tomcat server.
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tomcat_stop_delay
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Number of seconds to wait after the tomcat_stop_command returns before
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proceeding.
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tomcat_start_command
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A "shell" command that will start the Tomcat server.
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tomcat_start_delay
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Number of seconds to wait after the tomcat_start_command returns before
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proceeding.
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mysql_username
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A user account that has authority to drop the Vitro database in MySQL.
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mysql_password
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The password for mysql_username.
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database_name
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The name of the Vitro database in MySQL.
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--------------------------------------------------------------------------------
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What are we doing?
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-- Break the URL into parts, so we can get the base Tomcat URL and the name
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of the webapp.
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-- Tell Tomcat's manager to stop the app.
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-- Tell MySQL to drop the database and rebuild it.
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-- Tell Tomcat's manager to start the app.
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--------------------------------------------------------------------------------
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=end
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require 'open-uri'
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require 'property_file_reader'
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@ -34,22 +38,14 @@ class DatabaseCleanser
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#
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def sanity_checks_on_parameters()
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# Check that all necessary properties are here.
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raise("Properties file must contain a value for 'webapp_url'") if @webapp_url == nil
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raise("Properties file must contain a value for 'tomcat_username'") if @tomcat_username == nil
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raise("Properties file must contain a value for 'tomcat_password'") if @tomcat_password == nil
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raise("Properties file must contain a value for 'tomcat_stop_command'") if @tomcat_stop_command == nil
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raise("Properties file must contain a value for 'tomcat_stop_delay'") if @tomcat_stop_delay == nil
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raise("Properties file must contain a value for 'tomcat_start_command'") if @tomcat_start_command == nil
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raise("Properties file must contain a value for 'tomcat_start_delay'") if @tomcat_start_delay == nil
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raise("Properties file must contain a value for 'mysql_username'") if @mysql_username == nil
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raise("Properties file must contain a value for 'mysql_password'") if @mysql_password == nil
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raise("Properties file must contain a value for 'database_name'") if @database_name == nil
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# Check that we can connect to the Tomcat manager app.
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begin
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url = @server_url + "manager/list"
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open(url, @tomcat_auth_options) {|f|}
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rescue Exception
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raise "Can't connect to Tomcat manager application at " +
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"'#{url}', with this authorization: #{@tomcat_auth_options}"
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end
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# Check that we can connect to the MySQL database.
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args = []
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args << "--user=#{@mysql_username}"
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@ -62,49 +58,40 @@ class DatabaseCleanser
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raise("Error connecting to MySQL database.") if $?.exitstatus != 0
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end
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# The Webapp URL must be a valid URL, and the path must be a single token
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# (with an optional trailing slash).
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# Issue the Tomcat stop command and pause for it to take effect.
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#
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def parse_webapp_url(webapp_url)
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match = %r{(\w+://.+/)([^/]+)/?}.match(webapp_url)
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if match
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return [match[1], match[2]]
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else
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raise "Can't parse the webapp name from this URL: '#{webapp_url}'"
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end
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end
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def stop_the_webapp()
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puts " Stopping the webapp..."
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begin
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url = @server_url + "manager/stop?path=/#{@webapp_name}"
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open(url, @tomcat_auth_options) do |f|
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raise "Failed to stop the webapp: status = #{f.status}" if f.status[0] != '200'
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end
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rescue OpenURI::HTTPError
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raise "Can't connect to Tomcat manager application at " +
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"'#{url}', with this authorization: #{@tomcat_auth_options}"
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end
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system(@tomcat_stop_command)
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puts " Waiting #{@tomcat_stop_delay} seconds..."
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sleep(@tomcat_stop_delay)
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puts " ... stopped."
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end
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# Issue the Tomcat start command, pause for it to take effect, and wait
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# until the server responds to an HTTP request.
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#
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def start_the_webapp()
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puts " Starting the webapp..."
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begin
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url = @server_url + "manager/start?path=/#{@webapp_name}"
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open(url, @tomcat_auth_options) do |f|
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raise "Failed to start the webapp: status = #{f.status}" if f.status[0] != '200'
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end
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rescue OpenURI::HTTPError
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raise "Can't connect to Tomcat manager application at " +
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"'#{url}', with this authorization: #{@tomcat_auth_options}"
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end
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system(@tomcat_start_command)
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puts " Waiting #{@tomcat_start_delay} seconds..."
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sleep(@tomcat_start_delay)
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open("http://localhost:8080"){|f|}
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puts " ... started."
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end
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# Tell MySQL to drop the database and re-create it.
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#
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def drop_database_and_create_again()
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puts ">>>>>>>>>> BOGUS BOGUS drop_database_and_create_again()"
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# mysql --user=vitrodbUsername --password=vitrodbPassword --database=vivo --execute="drop database vivo; create database vivo character set utf8;"
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args = []
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args << "--user=#{@mysql_username}"
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args << "--password=#{@mysql_password}"
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args << "--database=#{@database_name}"
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args << "--execute=drop database #{@database_name}; create database #{@database_name} character set utf8;"
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result = system("mysql", *args)
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raise("Can't find the 'mysql' command!") if result == nil
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raise("Can't clean the MySQL database: command was 'mysql' #{args}") if !result
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raise("Error code from MySQL: #{$?.exitstatus}, command was 'mysql' #{args}") if $?.exitstatus != 0
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end
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# ------------------------------------------------------------------------------------
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@ -114,16 +101,14 @@ class DatabaseCleanser
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# Get the parameters and check them
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#
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def initialize(properties)
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@webapp_url = properties['webapp_url']
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@tomcat_username = properties['tomcat_username']
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@tomcat_password = properties['tomcat_password']
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@tomcat_stop_command = properties['tomcat_stop_command']
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@tomcat_stop_delay = properties['tomcat_stop_delay'].to_i
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@tomcat_start_command = properties['tomcat_start_command']
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@tomcat_start_delay = properties['tomcat_start_delay'].to_i
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@mysql_username = properties['mysql_username']
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@mysql_password = properties['mysql_password']
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@database_name = properties['database_name']
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@server_url, @webapp_name = parse_webapp_url(@webapp_url)
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@tomcat_auth_options = {:http_basic_authentication => [@tomcat_username, @tomcat_password]}
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sanity_checks_on_parameters()
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end
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@ -153,4 +138,3 @@ properties = PropertyFileReader.read(ARGV[0])
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dc = DatabaseCleanser.new(properties)
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dc.cleanse()
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dc.cleanse()
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