issue #51 Cloud-Native VNFs OSContainerDesc and minor changes.

Signed-off-by: Preethika <preethika.p@tataelxsi.co.in>

src/yang/etsi-nfv-vnf.yang

@@ -370,7 +370,6 @@ submodule etsi-nfv-vnf {
 
       list int-cpd {
         key "id";
-        min-elements 1;
         description
           "A internal-connection-point element is a type of
            connection point and describes network connectivity
@@ -491,14 +490,29 @@ submodule etsi-nfv-vnf {
            information element.";
       }
 
+      leaf-list os-container-desc {
+        type leafref {
+          path "../../os-container-desc/id";
+        }
+        description
+          "Describes CPU, memory requirements and limits, and
+           software images of the OS Containers realizing this
+           Vdu corresponding to OS Containers sharing the same
+           host and same network namespace. Each unique identifier
+           is referenced only once within one VDU.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.2, VDU information
+           element. ";
+      }
       leaf-list virtual-storage-desc {
         type leafref {
           path "../../virtual-storage-desc/id";
         }
         description
           "Describes storage requirements for a VirtualStorage
-           instance attached to the virtualisation container
-           created from virtualComputeDesc defined for this VDU.";
+           instance attached to the virtualisation container(s)
+           created from virtualComputeDesc or osContainerDesc
+           defined for this VDU.";
         reference
           "GS NFV IFA011: Section 7.1.6.2, VDU information
            element, and Section 7.1.9.4, Information elements
@@ -682,7 +696,8 @@ submodule etsi-nfv-vnf {
       key "id";
       description
         "Defines descriptors of virtual compute resources to be
-         used by the VNF.";
+         used by the VNF when each of the VNFC instances of the
+         VNF is intended to be deployed in a single VM.";
       leaf id {
         type string;
         description
@@ -1134,6 +1149,190 @@ submodule etsi-nfv-vnf {
       }
     }
 
+    list os-container-desc {
+      key "id";
+      description
+        "Defines descriptors of container compute resources to be used
+         by the VNF when the VDUs of the VNF are realized by a set of
+         OS Containers sharing the same host and same networking namespace.";
+      reference
+        "GS NFV IFA011: Section 7.1.2, VNFD Information element.";
+
+      leaf id {
+        type string;
+        description
+          "Unique identifier of this OsContainerDesc in the VNFD.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+          information element.";
+      }
+
+      leaf name {
+        type string;
+        description
+          "Human readable name of this OS container.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+          information element.";
+      }
+
+      leaf description {
+        type string;
+        description
+          "Human readable description of this OS container.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      leaf requested-cpu-resources {
+        type uint32;
+        description
+          "Number of CPU resources requested for the container
+           (e.g. in milli-CPU-s).";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      leaf requested-memory-resources {
+        type uint64;
+        description
+          "Amount of memory resources requested for the container
+           (e.g. in MB).";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      leaf requested-ephemeral-storage-resources {
+        type uint64;
+        units "GB";
+        description
+          "Size of ephemeral storage resources requested for the container
+           (e.g. in GB).";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      list extended-resource-requests {
+        key "key";
+
+        leaf key {
+          type string;
+        }
+        leaf value {
+          type string;
+        }
+        description
+          "An array of key-value pairs of extended resources
+           required by the container.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      leaf cpu-resource-limit {
+        type uint32;
+        description
+          "Number of CPU resources the container can maximally use
+           (e.g. in milli-CPU).";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      leaf memory-resource-limit {
+        type uint64;
+        description
+          "Amount of memory resources the container can maximally
+           use(e.g. in MB).";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+          information element.";
+      }
+
+      leaf ephemeral-storage-resource-limit {
+        type uint64;
+        units "GB";
+        description
+          "Size of ephemeral storage resources the container can
+           maximally use(e.g. in GB).";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      list huge-page-resources {
+        key "key";
+        max-elements "1";
+        leaf key {
+          type string;
+        }
+        leaf value {
+          type string;
+        }
+        description
+          "An array of key-value pairs of HugePages resources
+           requested for the container, which the container
+           can maximally use (e.g., \"hugepages-2Mi: 100Mi\").";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      leaf sw-image-desc {
+        type leafref {
+          path "../../sw-image-desc/id";
+        }
+        description
+          "Describes the software image realizing this OS container.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      list boot-data {
+        key "key";
+        max-elements "1";
+        leaf key {
+          type string;
+        }
+        leaf value {
+          type string;
+        }
+        description
+          "Contains a string or a URL to a file contained in the VNF
+           package used to customize a container resource at boot time.
+           The bootData may contain variable parts that are replaced
+           by deployment specific values before being sent.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+
+      list monitoring-parameter {
+        key "id";
+        leaf id {
+          type string;
+          description
+            "Unique identifier of the monitoring parameter.";
+          reference
+            "GS NFV IFA011: Section 7.1.11.3, MonitoringParameter
+             information element.";
+        }
+        uses monitoring-parameter;
+        description
+          "Specifies the virtualised resource related performance
+           metrics on the OsContainerDesc level to be tracked by
+           the VNFM.";
+        reference
+          "GS NFV IFA011: Section 7.1.6.13, OsContainerDesc
+           information element.";
+      }
+    }
+
     list sw-image-desc {
       key "id";
       description
@@ -4036,5 +4235,15 @@ submodule etsi-nfv-vnf {
       reference
         "GS NFV IFA011: Section 7.1.2 VNFD information element";
     }
+
+    leaf-list mciop-id {
+      type string;
+      description
+        "Identifies the MCIOP(s) in the VNF package, used in
+         containerized workload management, when the VNF is
+         realized by a set of OS containers.";
+      reference
+        "GS NFV IFA011: Section 7.1.2, VNFD Information element.";
+    }
   }
 }