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<%#
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kind: snippet
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name: kickstart_kernel_options
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model: ProvisioningTemplate
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snippet: true
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description: |
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The list of kernel options for initrd appended to the bootloader kernel line on Red Hat compatible distributions.
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Typically renders to a string with the url where to fetch the OS installer answer files, e.g.
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network ksdevice=bootif ks.device=bootif BOOTIF=01-52-54-00-8b-a3-86 inst.ks=http://foreman.example.com/unattended/provision inst.ks.sendmac ip=dhcp nameserver=192.168.122.1
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Custom options can be added by setting the array parameter kickstart_kernel_custom_options
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-%>
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<%
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rhel_compatible = @host.operatingsystem.family == 'Redhat' && @host.operatingsystem.name != 'Fedora'
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is_fedora = @host.operatingsystem.name == 'Fedora'
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os_major = @host.operatingsystem.major.to_i
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os_minor = @host.operatingsystem.minor.to_i
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major = @host.operatingsystem.major.to_i
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hostname = @host.name
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iface = @host.provision_interface
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mac = @host.provision_interface.mac
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subnet4 = iface.subnet
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subnet6 = iface.subnet6
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dual_stack_fallback = host_param('dual_stack_provision_fallback')
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custom_options = [host_param('kickstart_kernel_custom_options')].flatten.compact
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options = []
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if rhel_compatible && os_major < 8
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# replaced with BOOTIF in EL8+
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options.push("network", "ksdevice=bootif", "ks.device=bootif")
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end
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if mac
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# hardware type is always 01 (ethernet) unless specified otherwise
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options.push("BOOTIF=#{host_param("hardware_type", "01")}-#{mac.gsub(':', '-')}")
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end
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# tell Anaconda what to pass off to kickstart server
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# both current and legacy syntax provided
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if (is_fedora && os_major >= 33) || (rhel_compatible && os_major >= 8)
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if subnet4 && !subnet4.dhcp_boot_mode?
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options.push("inst.ks=#{foreman_url('provision', static: '1').gsub("&", "\\\\&")}")
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elsif subnet6 && !subnet6.dhcp_boot_mode?
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options.push("inst.ks=#{foreman_url('provision', static6: '1').gsub("&", "\\\\&")}")
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else
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options.push("inst.ks=#{foreman_url('provision').gsub("&", "\\\\&")}", "inst.ks.sendmac")
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end
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else
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if subnet4 && !subnet4.dhcp_boot_mode?
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options.push("ks=#{foreman_url('provision', static: '1').gsub("&", "\\\\&")}")
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elsif subnet6 && !subnet6.dhcp_boot_mode?
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options.push("ks=#{foreman_url('provision', static6: '1').gsub("&", "\\\\&")}")
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else
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options.push("ks=#{foreman_url('provision').gsub("&", "\\\\&")}", "kssendmac", "ks.sendmac")
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end
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end
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# networking credentials
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if subnet4 && subnet6
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if dual_stack_fallback == 'IPv4'
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subnet6 = false
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elsif dual_stack_fallback == 'IPv6'
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subnet4 = false
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else
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raise("Dual-stack provisioning not supported, set parameter 'dual_stack_provision_fallback'")
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end
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end
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options.push("dualstack!") if subnet4 && subnet6
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if subnet4 && subnet4.dhcp_boot_mode?
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options.push("ip=dhcp") if rhel_compatible && major >= 7
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elsif subnet4 && !subnet4.dhcp_boot_mode?
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if rhel_compatible && major < 7
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dns_servers = subnet4.dns_servers.join(',')
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if @ipxe_net
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options.push('ip=${netX/ip} netmask=${netX/netmask} gateway=${netX/gateway} dns=${dns}')
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else
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options.push("ip=#{iface.ip}", "netmask=#{subnet4.mask}", "gateway=#{subnet4.gateway}", "dns=#{dns_servers}")
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end
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else
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if @ipxe_net
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options.push("ip=${netX/ip}::${netX/gateway}:${netX/netmask}:#{hostname}:#{iface.identifier}:none nameserver=${dns}")
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else
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options.push("ip=#{iface.ip}::#{subnet4.gateway}:#{subnet4.mask}:#{hostname}:#{iface.identifier}:none")
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end
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end
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elsif subnet6 && subnet6.dhcp_boot_mode? && rhel_compatible && major >= 7
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if host_param_true?("use-slaac")
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options.push("ip=auto6")
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else
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options.push("ip=dhcp6")
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end
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elsif subnet6 && !subnet6.dhcp_boot_mode?
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raise("Static IPv6 provisioning works on RHEL7 or newer") if rhel_compatible && major < 7
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gw = subnet6.gateway ? "[#{subnet6.gateway}]" : ""
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options.push("ip=[#{iface.ip6}]::#{gw}:#{subnet6.cidr}:#{hostname}:#{iface.identifier}:none")
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end
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# nameservers - must be present even for DHCP subnets because of bug:
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# https://bugzilla.redhat.com/show_bug.cgi?id=1795276
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if subnet4 && !@ipxe_net
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subnet4.dns_servers.each { |server|
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options.push("nameserver=#{server}")
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}
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elsif subnet6 && !@ipxe_net
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subnet6.dns_servers.each { |server|
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options.push("nameserver=#{server}")
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}
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end
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# bond
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if iface.bond? && rhel_compatible && os_major >= 6
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bond_slaves = iface.attached_devices_identifiers.join(',')
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options.push("bond=#{iface.identifier}:#{bond_slaves}:mode=#{iface.mode},#{iface.bond_options.tr(' ', ',')}")
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end
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# VLAN (only on physical is recognized)
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if iface.virtual? && iface.tag.present? && iface.attached_to.present?
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if iface.attached_to.match 'bond'
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@host.bond_interfaces.each do |bond_interface|
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if bond_interface.identifier == iface.attached_to
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bond_slaves = bond_interface.attached_devices_identifiers.join(',')
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options.push("bond=#{bond_interface.identifier}:#{bond_slaves}:mode=#{bond_interface.mode},#{bond_interface.bond_options.tr(' ', ',')}")
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end
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end
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end
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if (is_fedora && os_major < 17) || (rhel_compatible && os_major < 7)
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options.push("vlanid=#{iface.tag}")
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else
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options.push("vlan=#{iface.attached_to}.#{iface.tag}:#{iface.attached_to}")
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end
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end
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if host_param('kickstart_liveimg')
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options.push("inst.stage2=#{medium_uri}")
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end
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# S390x architecture has a different stage two image:
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# https://access.redhat.com/solutions/4206591
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if @host.architecture.to_s.match(/s390x?/i)
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options.push("inst.cmdline")
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options.push("inst.repo=#{medium_uri}")
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end
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# FIPS
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if !is_fedora && os_major >= 7 && host_param_true?('fips_enabled')
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options.push('fips=1')
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end
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nic_delay = subnet4&.nic_delay || subnet6&.nic_delay
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if nic_delay && rhel_compatible && major >= 7
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["dhcp", "iflink", "ifup", "route", "ipv6dad", "ipv6auto", "carrier"].each do |type|
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options.push("rd.net.timeout.#{type}=#{nic_delay}")
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end
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elsif nic_delay
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options.push("nicdelay=#{nic_delay} linksleep=#{nic_delay}")
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end
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# add user specified custom options if specified (noop if not)
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options.concat(custom_options)
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-%>
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<%# do not add newline after the next line %>
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<%= options.join(' ') -%>
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