Class: RbRotate::Dispatcher

Inherits:
Object show all
Defined in:
lib/rb.rotate/dispatcher.rb

Overview

Dispatches all operations.

Instance Method Summary collapse

Instance Method Details

#install! ⇒ Object

Installs the application configuration files.



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# File 'lib/rb.rotate/dispatcher.rb', line 57

def install!
    require "sys/uname"
    require "fileutils"
    
    basedir = ::File.dirname(__FILE__)
    
    # Loads and creates the configuration dir
    case Sys::Uname.sysname.downcase.to_sym
        when :freebsd
            etc = "/usr/local/etc"
        when :linux
            etc = "/etc"
        else
            raise Exception::new("You are running on an unknown platform. It cannot be problem, but it's necessary define path to configuration file and define paths in configuration file.")
    end
    
    etc << "/rb.rotate"
    FileUtils.mkdir_p(etc)
    
    # Creates other important directories
    FileUtils.mkdir_p("/var/log")
    FileUtils.mkdir_p("/var/lib")
    
    # Puts configuration files to configuration directory
    source = basedir.dup << "/install"
    replacements = { "%%configuration" => etc }
    files = ["rotate.yaml", "defaults.yaml"]
    
    files.each do |file|
        body = ::File.read(source.dup << "/" << file << ".initial")
        replacements.each_pair do |key, value|
            body.gsub! key, value
        end
        ::File.open(etc.dup << "/" << file, "w") do |io|
            io.write(body)
        end
    end
    
    # Puts to library root path path to configuration directory
    ::File.open(basedir.dup << "/../paths.conf", "w") do |io|
        io.write(etc.dup << "/rotate.yaml")
    end
end

#run! ⇒ Object

Runs the rotate session.



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# File 'lib/rb.rotate/dispatcher.rb', line 15

def run!
    require "rb.rotate/configuration"
    require "rb.rotate/state"
    require "rb.rotate/storage"
    require "rb.rotate/log"

    # Reads configuration file
    locator = ::File.dirname(::File.dirname(__FILE__)).dup << "/paths.conf"
    if not ::File.exists? locator
        STDERR.write("FATAL: rb.rotate unconfigured. Please, run 'rb.rotate install' or eventually create the " << locator << " file with path to configuration file. Aborted.\n")
        exit
    end
    
    path = ::File.read(locator)
    path.strip!
    
    Configuration::read(path)
    log "Configuration file loaded."
    
    # Process
    log "Start of processing."
    Configuration::each_directory do |directory|
        begin
            directory.rotate!
        rescue Exception => e
            log "Exception: " << e.to_s
        end
    end
    
    # Removes orhpans
    log "Start of orphans removing."
    Storage::remove_orphans!
    
    # Saves state file
    State::save!
    log "New state saved."
end

#sysname! ⇒ Object

Prints out system name.



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# File 'lib/rb.rotate/dispatcher.rb', line 105

def sysname!
    require "sys/uname"
    puts Sys::Uname.sysname.downcase
end