Class: MiqLinux::Utils
- Inherits:
-
Object
- Object
- MiqLinux::Utils
- Defined in:
- lib/metadata/linux/LinuxUtils.rb
Class Method Summary collapse
- .collect_interface(interfaces, interface) ⇒ Object
- .merge_openstack_services(systemctl_services, containerized_services) ⇒ Object
- .octal_to_permissions(octal, ftype = nil) ⇒ Object
- .parse_chkconfig_list(lines) ⇒ Object
- .parse_docker_ps_list(lines) ⇒ Object
- .parse_ls_l_fulltime(lines) ⇒ Object
- .parse_network_interface_list(lines) ⇒ Object
- .parse_openstack_container_status(lines) ⇒ Object
- .parse_openstack_status(lines) ⇒ Object
- .parse_systemctl_list(lines) ⇒ Object
- .permissions_to_octal(perms) ⇒ Object
Class Method Details
.collect_interface(interfaces, interface) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 165 def self.collect_interface(interfaces, interface) mac_addr = interface[:mac_address] return if mac_addr.blank? existing_interface = interfaces[mac_addr] if existing_interface.blank? interfaces[mac_addr] = interface else interface[:name] += "," + existing_interface[:name] existing_interface.merge!(interface) end end |
.merge_openstack_services(systemctl_services, containerized_services) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 251 def self.merge_openstack_services(systemctl_services, containerized_services) # Merge outputs 2 arrays with systemctl and containerized services, example: # systemctl_services = [{"name"=>"Swift", "services"=> [{"name"=>"openstack-swift-proxy", "active"=>true, "enabled"=>true}] # containerized_services = [{"name"=>"Swift", "services"=> [{"name"=>"swift_container_auditor", "active"=>true, "enabled"=>true}] # result is [{"name"=>"Swift", "services"=> [{"name"=>"openstack-swift-proxy", "active"=>true, "enabled"=>true}, # {"name"=>"swift_container_auditor", "active"=>true, "enabled"=>true}] all_services = systemctl_services + containerized_services service_names = all_services.map { |service| service['name'] }.uniq service_names.each do |name| merged_service = { "name" => name, "services" => [] } common_services = all_services.select { |service| service['name'] == name } common_services.each do |common_service| merged_service["services"].concat(common_service["services"]) all_services.delete(common_service) end all_services << merged_service end all_services end |
.octal_to_permissions(octal, ftype = nil) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 65 def self.(octal, ftype = nil) perms = "" unless ftype.nil? ftype = ftype[0, 1] ftype = '-' if ftype == 'f' perms << ftype end octal = octal.to_i(8) if octal.kind_of?(String) perms << (octal & 00400 != 0 ? 'r' : '-') perms << (octal & 00200 != 0 ? 'w' : '-') perms << (octal & 04000 != 0 ? (octal & 00100 != 0 ? 's' : 'S') : octal & 00100 != 0 ? 'x' : '-') perms << (octal & 00040 != 0 ? 'r' : '-') perms << (octal & 00020 != 0 ? 'w' : '-') perms << (octal & 02000 != 0 ? (octal & 00010 != 0 ? 's' : 'S') : octal & 00010 != 0 ? 'x' : '-') perms << (octal & 00004 != 0 ? 'r' : '-') perms << (octal & 00002 != 0 ? 'w' : '-') perms << (octal & 01000 != 0 ? (octal & 00001 != 0 ? 't' : 'T') : octal & 00001 != 0 ? 'x' : '-') perms end |
.parse_chkconfig_list(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 89 def self.parse_chkconfig_list(lines) ret = [] return ret if lines.nil? || lines.empty? lines.each_line do |line| line = line.chomp parts = line.split(' ') next unless parts.length >= 8 enable_level = [] disable_level = [] parts[1..-1].each do |part| level, state = part.split(':') case state when 'on' then enable_level << level when 'off' then disable_level << level end end nh = {:name => parts[0]} nh[:enable_run_level] = enable_level.empty? ? nil : enable_level.sort nh[:disable_run_level] = disable_level.empty? ? nil : disable_level.sort ret << nh end ret end |
.parse_docker_ps_list(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 144 def self.parse_docker_ps_list(lines) return [] if lines.blank? lines.each_line.map do |line| line = line.chomp parts = line.split(/^(\S+)\s/) name, = parts[1] {:name => name, :systemd_load => 'container', :systemd_active => parts[2]&.strip&.start_with?('Up') ? 'active' : 'failed', :systemd_sub => parts[2]&.strip&.start_with?('Up') ? 'running' : 'failed', :typename => 'docker_container', :description => parts[1] + ' ' + parts[2].strip, :enable_run_level => nil, :disable_run_level => nil, :running => parts[2]&.strip&.start_with?('Up')} end.compact end |
.parse_ls_l_fulltime(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 3 def self.parse_ls_l_fulltime(lines) ret = [] return ret if lines.nil? || lines.empty? lines.each do |line| line = line.chomp parts = line.split(' ') next unless parts.length >= 9 perms, ftype = (parts[0]) ret << { :ftype => ftype, :permissions => perms, :hard_links => perms[1], :owner => parts[2], :group => parts[3], :size => parts[4], :mtime => Time.parse(parts[5..7].join(' ')).utc, :name => parts[8..-1].join(' '), } end ret end |
.parse_network_interface_list(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 178 def self.parse_network_interface_list(lines) return [] if lines.blank? interfaces = {} interface = {} lines.each_line do |line| if /^\d+\:\s([\w-]+)\:.*?mtu\s(\d+).*?$/ =~ line collect_interface(interfaces, interface) unless interface.blank? interface = {:name => $1} elsif /^.*?link.*?((\w\w\:)+\w\w).*?$/ =~ line interface[:mac_address] = $1 elsif /^.*?inet\s((\d+\.)+\d+).*?$/ =~ line interface[:fixed_ip] = $1 elsif /^.*?inet6\s((\w*\:+)+\w+).*?$/ =~ line interface[:fixed_ipv6] = $1 end end collect_interface(interfaces, interface) interfaces.values end |
.parse_openstack_container_status(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 220 def self.parse_openstack_container_status(lines) containers = lines.to_s.split("\n").group_by do |t| if t.include?('_') t.split("_")[0] elsif t.start_with?('openstack') t.split("-")[1] elsif t.include?('-') t.split("-")[0] else t.split(" ")[0] end end containers.map do |title, services| services = services.map { |service_line| service_line.split(/^(\S+)\s/) } # split service line by first space and strip white space from results services = services.map do |service| { 'name' => service[1], 'active' => service[2].strip.start_with?('Up'), 'enabled' => true } end { 'name' => title.capitalize, 'services' => services } end end |
.parse_openstack_status(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 200 def self.parse_openstack_status(lines) lines = lines.to_s.split("\n").reject { |t| t.include?("=") }.group_by { |t| t.gsub(/openstack\-([a-z]+).*/i, '\1') } lines.map do |title, services| services = services.map { |service_line| service_line.split(/[:\(\)]/).map(&:strip) } # split service line by :, ( and ) and strip white space from results services = services.map do |service| { 'name' => service.first, 'active' => service[1] == 'active', 'enabled' => service[2] !~ /disabled/ } end { 'name' => title.capitalize, 'services' => services } end end |
.parse_systemctl_list(lines) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 119 def self.parse_systemctl_list(lines) return [] if lines.blank? lines.each_line.map do |line| line = line.chomp parts = line.split(' ') next if (/^.*?\.service$/ =~ parts[0]).nil? name, = parts[0].split('.') # TODO(lsmola) investigate adding systemd targets, which are used instead of runlevels. Drawback, it's not # returned by any command, so we would have to parse the dir structure of /etc/systemd/system/ # There is already MiqLinux::Systemd.new(@systemFs) called from class MIQExtract, we should leverage that {:name => name, :systemd_load => parts[1], :systemd_active => parts[2], :systemd_sub => parts[3], :typename => 'linux_systemd', :description => parts[4..-1].join(" "), :enable_run_level => nil, :disable_run_level => nil, :running => parts[3] == 'running'} end.compact end |
.permissions_to_octal(perms) ⇒ Object
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# File 'lib/metadata/linux/LinuxUtils.rb', line 29 def self.(perms) if perms.length == 9 ftype = nil elsif perms.length == 10 ftype = perms[0, 1] perms = perms[1..-1] elsif perms.length == 11 # TODO: when se-linux is present, the format is like this '-rw-rw-r--.', . means an SELinux ACL. (+ means a # general ACL.). I need to figure out where to store this fact, ignoring it for now ftype = perms[0, 1] perms = perms[1..-2] else raise "Invalid perms length" end unless ftype.nil? ftype = case ftype when 'd' then 'dir' when 'l' then 'link' else 'file' end end octal = [0, 0, 0, 0] perms.split(//).each_with_index do |c, i| # puts [c, i, i % 3, 2 - (i % 3), 2 ** (2 - (i % 3)), i / 3, 2 - (i / 3), 2 ** (2 - (i / 3))].inspect octal[i / 3 + 1] += 2**(2 - (i % 3)) unless %w(- S T).include?(c) # puts octal.inspect octal[0] += 2**(2 - (i / 3)) if %w(s t S T).include?(c) # puts octal.inspect end octal = octal.join return octal, ftype end |