---
# Copyright 2018-present Open Networking Foundation
# Copyright 2018 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Values.spgwu.name }}
data:
  launch.sh: |
    #!/bin/bash -xe

    RUN_DIR=${RUN_DIR:-"/opt/dp"}
    mkdir -p $RUN_DIR/config
    cd $RUN_DIR/config
    cp /etc/dp/config/{cdr.cfg,dp_config.cfg,interface.cfg} .
    sed -i "s/CP_ADDR/$CP_ADDR/g" interface.cfg
    sed -i "s/DP_ADDR/$DP_ADDR/g" interface.cfg
    . dp_config.cfg
    ngic_dataplane $EAL_ARGS -- $APP_ARGS
  dp_config.cfg: |
    if [ ! -d "/dev/hugepages" ]; then
        MEMORY="--no-huge -m $((MEM_LIMIT-1024))"
    fi

    CORES="-c $(taskset -p $$ | awk '{print $NF}')"
    EAL_ARGS="${CORES} ${MEMORY} ${DEVICES}"

    SPGW_CFG="--spgw_cfg 03"
    S1U_IP=$(ip -4 addr show dev ${S1U_DEVNAME} | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
    SGI_IP=$(ip -4 addr show dev ${SGI_DEVNAME} | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
    S1U_MAC=$(ip addr show dev ${S1U_DEVNAME} | awk '$1=="link/ether"{print $2}')
    SGI_MAC=$(ip addr show dev ${SGI_DEVNAME} | awk '$1=="link/ether"{print $2}')
    S1U="--s1u_ip ${S1U_IP} --s1u_mac ${S1U_MAC} --ul_iface ${S1U_DEVNAME}"
    SGI="--sgi_ip ${SGI_IP} --sgi_mac ${SGI_MAC} --dl_iface ${SGI_DEVNAME} --sgi_gw_ip ${RTR_SGI_IP} --sgi_mask ${SGI_MASK}"
    MISC="--log 1"
    APP_ARGS="${S1U} ${SGI} ${MISC} ${SPGW_CFG}"
  cdr.cfg: |
    CDR_PATH=./cdr
    MASTER_CDR=./cdr/master.csv
  interface.cfg: |
    [0]
    dp_comm_ip = DP_ADDR
    dp_comm_port = 20
    cp_comm_ip = CP_ADDR
    cp_comm_port = 21
---
apiVersion: v1
kind: Service
metadata:
  name: {{ .Values.spgwu.name }}
spec:
  selector:
    app: {{ .Values.spgwu.name }}
  clusterIP: None
  ports:
  - name: cpdp
    port: 20
    protocol: UDP
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ .Values.spgwu.name }}
  labels:
    app: {{ .Values.spgwu.name }}
spec:
  replicas: 1
  selector:
    matchLabels:
      app: {{ .Values.spgwu.name }}
  serviceName: {{ .Values.spgwu.name | quote }}
  template:
    metadata:
      labels:
        app: {{ .Values.spgwu.name }}
      annotations:
        k8s.v1.cni.cncf.io/networks: '[
                { "name": "s1u-net", "interface": "s1u-net" },
                { "name": "sgi-net", "interface": "sgi-net" }
        ]'
    spec:
      # Required if working with Linux bound devices so that kernel does not
      # reply to GTP-U packets
      #initContainers:
      #- name: init
      #  image: "ngick8stesting/c3po-init"
      #  command: [ "sh", "-xec"]
      #  securityContext:
      #    capabilities:
      #      add:
      #        - NET_ADMIN
      #  args:
      #  - iptables -I OUTPUT -p icmp --icmp-type destination-unreachable -j DROP;
      containers:
      - name: {{ .Values.spgwu.name }}
        image: {{ .Values.spgwu.image }}
        imagePullPolicy: {{ .Values.global.imagepullpolicy }}
        stdin: true
        tty: true
        env:
        - name: MEM_LIMIT
          valueFrom:
            resourceFieldRef:
              containerName: {{ .Values.spgwu.name }}
              resource: limits.memory
              divisor: 1Mi
        - name: S1U_DEVNAME
          value: s1u-net
        - name: SGI_DEVNAME
          value: sgi-net
        - name: DEVICES
          value: ""  # "--no-pci --vdev eth_af_packet0,iface=s1u-net --vdev eth_af_packet1,iface=sgi-net"
        - name: CP_ADDR
          value: spgwc-0.{{ .Values.spgwc.name }}.{{ .Values.global.namespace }}.{{ .Values.global.fqdn }}
        - name: DP_ADDR
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: RTR_SGI_IP
          value: "13.1.1.254"
        - name: SGI_MASK
          value: "255.255.255.0"
        command: ["bash", "-xc"]
        args:
        - ip a;
          /opt/dp/scripts/launch.sh;
        volumeMounts:
        - name: dp-script
          mountPath: /opt/dp/scripts/launch.sh
          subPath: launch.sh
        - name: dp-config
          mountPath: /etc/dp/config
        #- name: hugepage
        #  mountPath: /dev/hugepages
        resources:
          limits:
            #hugepages-1Gi: 8Gi
            cpu: {{ .Values.spgwu.cpu | quote }}
            memory: {{ .Values.spgwu.memory }}
            intel.com/sriov: 2
        securityContext:
          capabilities:
            add:
              - IPC_LOCK
      volumes:
      - name: dp-script
        configMap:
          name: {{ .Values.spgwu.name }}
          defaultMode: 493
      - name: dp-config
        configMap:
          name: {{ .Values.spgwu.name }}
          defaultMode: 420
      #- name: hugepage
      #  emptyDir:
      #    medium: HugePages