module smo-vm-pool {
    yang-version 1.1;
    namespace "http://metaswitch.com/yang/tas-vm-build/smo-vm-pool";
    prefix "smo-vm-pool";

    import ietf-inet-types {
        prefix "ietf-inet";
    }

    import vm-types {
        prefix "vmt";
        revision-date 2019-11-29;
    }

    import extensions {
        prefix "yangdoc";
        revision-date 2020-12-02;
    }

    organization "Metaswitch Networks";
    contact "rvt-schemas@metaswitch.com";
    description "SMO VM pool configuration schema.";

    revision 2019-11-29 {
        description
            "Initial revision";
        reference
            "Metaswitch Deployment Definition Guide";
    }

    grouping smo-virtual-machine-pool {

        leaf deployment-id {
            type vmt:deployment-id-type;
            mandatory true;
            description "The deployment identifier. Used to form a unique VM identifier within the
                         VM host.";
        }

        leaf site-id {
            type vmt:site-id-type;
            mandatory true;
            description "Site ID for the site that this VM pool is a part of.";
        }

        leaf node-type-suffix {
            type vmt:node-type-suffix-type;
            default "";
            description "Suffix to add to the node type when deriving the group identifier. Should
                         normally be left blank.";
        }

        leaf sentinel-ipsmgw-enabled {
            type boolean;
            description "Sentinel-IPMSGW will be installed and enabled on SMO nodes.";
        }

        list cassandra-contact-points {
            key "management.ipv4 signaling.ipv4";

            uses vmt:cassandra-contact-point-interfaces;
            description "A list of Cassandra contact points. These should normally not be specified
                         as this option is intended for testing and/or special use cases.";
            yangdoc:change-impact "converges";
        }

        leaf cluster-dns-name {
            type ietf-inet:domain-name;
            description "Deprecated. Now set in product-options.rvt.smo.smo-vnf and
                         product-options.rvt.smo.ims-domain-name in SDF file.";
        }

        list additional-rhino-jvm-options {
            when "../sentinel-ipsmgw-enabled = 'true'";

            key "name";
            leaf "name" {
                type string;
                description "Name of the JVM option. Do not include '-D'.";
            }

            leaf "value" {
                type string;
                mandatory true;
                description "Value for the JVM option.";
            }

            description "Additional JVM options to use when running Rhino.
                         Should normally be left blank.";
        }

        list rhino-auth {
            when "../sentinel-ipsmgw-enabled = 'true'";
            key "username";
            min-elements 1;

            uses vmt:rhino-auth-grouping;

            description "List of Rhino users and their plain text passwords.";
            yangdoc:change-impact "converges";
        }

        list virtual-machines {
            key "vm-id";

            leaf vm-id {
                type string;
                mandatory true;
                description "The unique virtual machine identifier.";
            }

            uses vmt:rhino-vm-grouping {
                refine rhino-node-id {
                    description "Rhino node identifier.

                                If sentinel-ipsmgw-enabled is set to false, specify an arbitrary
                                placeholder value here.";
                }
            }

            unique per-node-diameter-ro/diameter-ro-origin-host;
            container per-node-diameter-ro {
                when "../../../sentinel-ipsmgw/charging-options/diameter-ro";
                description "Configuration for Diameter Ro.";
                leaf diameter-ro-origin-host {
                    type ietf-inet:domain-name;
                    mandatory true;
                    description "The Diameter Ro origin host.

                                 If sentinel-ipsmgw-enabled is set to false, specify an arbitrary
                                 placeholder value here.";
                    yangdoc:change-impact "restart";
                }
            }

            unique sip-local-uri;
            leaf sip-local-uri {
                type vmt:sip-uri-type;
                mandatory true;
                description "SIP URI for this node.

                             If sentinel-ipsmgw-enabled is set to false, specify an arbitrary
                             placeholder value here.";
            yangdoc:change-impact "converges";
            }

            description "Configured virtual machines.";
        }

        description "SMO virtual machine pool.";
    }
}
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