srl_nokia-interfaces-ip-dhcp.yang

module srl_nokia-interfaces-ip-dhcp {
  yang-version 1.1;
  namespace "urn:srl_nokia/interfaces/ip/dhcp";
  prefix srl_nokia-if-ip-dhcp;

  import srl_nokia-interfaces {
    prefix srl_nokia-if;
  }

  description
    "Model for managing DHCP and DHCPv6 on IP subinterfaces";

  revision 2022-03-31 {
    description
      "SRLinux 22.3.1";
  }
  revision 2020-06-30 {
    description
      "SRLinux 20.6.1";
  }
  revision 2019-11-30 {
    description
      "SRLinux 19.11.1";
  }

  grouping subinterface-dhcpv4 {
    container dhcp-client {
      config true;
      presence "The subinterface attempts to obtain its IPv4 address and prefix using DHCP";
      description
        "Container for options related to DHCP";
      // Tried moving to augment 'when' clause - doesn't work
      // Modified to allow only mgmt
      must "(../../../srl_nokia-if:name = 'mgmt0' and ../../srl_nokia-if:index = 0)" {
         error-message "dhcp-client not configurable on this subinterface";
      }
      container trace-options {
        description
          "Container for tracing DHCPv4 operations on the subinterface";
        leaf-list trace {
          type enumeration {
            enum messages {
              description
                "Capture all DHCPv4 messages sent and received by the subinterface";
            }
          }
          description
            "List of events to trace";
        }
      }
    }
  }

  grouping subinterface-dhcpv6 {
    container dhcp-client {
      presence "The subinterface attempts to obtain its IPv6 address using DHCPv6";
      description
        "Container for options related to DHCPv6";
      must "(../../../srl_nokia-if:name = 'mgmt0' and ../../srl_nokia-if:index = 0)" {
         error-message "dhcp-client not configurable on this subinterface";
      }
      container trace-options {
        description
          "Container for tracing DHCPv6 operations on the subinterface";
        leaf-list trace {
          type enumeration {
            enum messages {
              description
                "Capture all DHCPv6 messages sent and received by the subinterface";
            }
          }
          description
            "List of events to trace";
        }
      }
    }
  }

  augment "/srl_nokia-if:interface/srl_nokia-if:subinterface/srl_nokia-if:ipv4" {
    // only supported on mgmt0
    when "(../../srl_nokia-if:name = 'mgmt0' and ../srl_nokia-if:index = 0)";
    uses subinterface-dhcpv4;
  }

  augment "/srl_nokia-if:interface/srl_nokia-if:subinterface/srl_nokia-if:ipv6" {
    when "(../../srl_nokia-if:name = 'mgmt0' and ../srl_nokia-if:index = 0)";
    uses subinterface-dhcpv6;
  }
}