---
# 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: ServiceAccount
metadata:
  name: spgwc-pod-reader
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: pod-reader
rules:
- apiGroups: [""]
  resources: ["pods"]
  verbs: ["get"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: spgwc-pod-reader-rb
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: pod-reader
subjects:
- kind: ServiceAccount
  name: spgwc-pod-reader
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Values.spgwc.name }}
data:
  launch.sh: |
    #!/bin/bash -xe

    RUN_DIR=${RUN_DIR:-"/opt/cp"}
    mkdir -p $RUN_DIR/config
    cd $RUN_DIR/config
    cp /etc/cp/config/{adc_rules.cfg,cp_config.cfg,interface.cfg,meter_profile.cfg,pcc_rules.cfg,sdf_rules.cfg} .
    sed -i "s/CP_ADDR/$CP_ADDR/g" interface.cfg
    sed -i "s/DP_ADDR/$DP_ADDR/g" interface.cfg
    . cp_config.cfg
    ngic_controlplane $EAL_ARGS -- $APP_ARGS
  cp_config.cfg: |
    if [ ! -d "/dev/hugepages" ]; then
        MEMORY="--no-huge -m $((MEM_LIMIT-1024))"
    fi
    SHARED_DIR="/opt/cp/config/shared"
    if [ -d ${SHARED_DIR} ]; then
        while [ ! -f ${SHARED_DIR}/SGW_S1U_IP ]; do echo "Waiting for SGW_S1U_IP"; sleep 2; done
        SGW_S1U_IP=$(cat ${SHARED_DIR}/SGW_S1U_IP)
    fi

    MGMT_INFO="-s ${CP_ADDR} -m ${MME_S11_IP} -w ${SGW_S1U_IP}"
    APN_INFO="-i ${IP_POOL_IP} -p ${IP_POOL_MASK} -a ${APN}"
    SPGW_CFG="-d 03 -l 2 -r 7.7.7.7 -g 6.6.6.6 -v 4.4.4.4  -u 5.5.5.5"
    APP_ARGS="${MGMT_INFO} ${APN_INFO} ${SPGW_CFG} ${TEID_INFO}"

    CORES="-c $(taskset -p $$ | awk '{print $NF}')"
    DEVICES="--no-pci"
    EAL_ARGS="${CORES} ${MEMORY} ${DEVICES}"
  interface.cfg: |
    [0]
    dp_comm_ip = DP_ADDR
    dp_comm_port = 20
    cp_comm_ip = CP_ADDR
    cp_comm_port = 21
  adc_rules.cfg: |
    [GLOBAL]
    NUM_ADC_RULES = 5

    ;FORMAT ::
    ;ADC_TYPE : [ DOMAIN = 0 | IP = 1 | IP PREFIX =2 ]
    ;
    ;if ADC_TYPE = 0
    ;   DOMAIN
    ;elseif ADC_TYPE = 1
    ;   IP
    ;elseif ADC_TYPE = 2
    ;   IP
    ;   PREFIX
    ;else
    ;   NONE
    ;
    ;NOTE :
    ;Rules defined first have a higher priority, unless DROP is specified
    ;(i.e. multiple rules for the same IP).
    ;When specifying DROP with an IP address, use a prefix of 32 to prevent DNS
    ;results from overwriting rule.


    [ADC_RULE_1]
    ADC_TYPE = 1
    IP = 13.1.1.111

    [ADC_RULE_2]
    ADC_TYPE = 2
    IP = 13.1.1.0
    PREFIX = 24

    [ADC_RULE_3]
    ADC_TYPE = 1
    IP = 13.1.1.112
    PREFIX = 24

    [ADC_RULE_4]
    ADC_TYPE = 0
    DOMAIN = www.example.gov

    [ADC_RULE_5]
    ADC_TYPE = 0
    DOMAIN = www.drop_example.com
  meter_profile.cfg: |
    [GLOBAL]
    NUM_OF_IDX = 7

    [ENTRY_1]
    ;Committed Information Rate (CIR). Measured in bytes per second.
    ;MBR is mapped into CIR, convert MBR from bits to Bytes and set CIR.
    CIR = 2342400
    ;Committed Burst Size unit = Bytes
    CBS = 5856
    ;Excess Burst Size unit = Bytes
    EBS = 11712
    ;Meter profile index. Refer this index in static_pcc.cfg to set AMBR/MBR
    MTR_PROFILE_IDX = 3

    [ENTRY_2]
    ;1200 = 1756800
    ;1400 = 2049600
    ;1600 = 2342400
    CIR = 2342400
    CBS = 5856
    EBS = 11712
    MTR_PROFILE_IDX = 4

    [ENTRY_3]
    ; QCI5,QCI7 15.571kbps = 1947 B
    CIR = 2342400
    CBS = 5856
    EBS = 11712
    MTR_PROFILE_IDX = 5

    [ENTRY_4]
    ; QCI1, 44kbps = 5500 B
    CIR = 2342400
    CBS = 5856
    EBS = 11712
    MTR_PROFILE_IDX = 6

    [ENTRY_5]
    ; QCI9, 31.143kbps = 3893 B
    CIR = 2342400
    CBS = 5856
    EBS = 11712
    MTR_PROFILE_IDX = 7

    [ENTRY_6]
    ; 128B, 7pps
    CIR = 2342400
    CBS = 512
    EBS = 1024
    MTR_PROFILE_IDX = 8

    [ENTRY_7]
    ; 128B, 2pps
    CIR = 2342400
    CBS = 512
    EBS = 1024
    MTR_PROFILE_IDX = 9

  pcc_rules.cfg: |
    [GLOBAL]
    NUM_PCC_FILTERS = 9
    ;To config AMBR/MBR values refer meter_profile.cfg. specify only the
    ;meter profile index to be set here.
    UL_AMBR_MTR_PROFILE_IDX = 3
    DL_AMBR_MTR_PROFILE_IDX = 4

    ;default filter - must be first for now (until DP doesn't install any filters)
    ;associated with default adc rule
    [PCC_FILTER_1]
    RULE_NAME = DefaultRule
    RATING_GROUP = 9
    SERVICE_ID = 0
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 1
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = 0
    REDIRECT_INFO = 0
    PRECEDENCE = 254
    DROP_PKT_COUNT = 0
    ;Specify the meter profile index from meter_profile.cfg
    UL_MBR_MTR_PROFILE_IDX = 7
    DL_MBR_MTR_PROFILE_IDX = 7
    ;List of ADC filter indices
    SDF_FILTER_IDX = 99998

    [PCC_FILTER_2]
    RULE_NAME = sdf_rule_1
    RATING_GROUP = 5
    SERVICE_ID = 0
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 2
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = 0
    REDIRECT_INFO = 0
    PRECEDENCE = 1
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 5
    DL_MBR_MTR_PROFILE_IDX = 5
    ;List of SDF filter indices
    SDF_FILTER_IDX = 1

    [PCC_FILTER_3]
    RULE_NAME = sdf_rule_2
    RATING_GROUP = 1
    SERVICE_ID = 0
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 3
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = 0
    REDIRECT_INFO = 0
    PRECEDENCE = 18
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 6
    DL_MBR_MTR_PROFILE_IDX = 6
    ;List of SDF filter indices
    SDF_FILTER_IDX = 2

    [PCC_FILTER_4]
    RULE_NAME = adc_rule_1
    RATING_GROUP = Zero-Rate
    SERVICE_ID = Internet
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 8
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    REDIRECT_INFO = 0
    SPONSOR_ID = Example
    PRECEDENCE = 15
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 7
    DL_MBR_MTR_PROFILE_IDX = 7
    ;List of SDF filter indices
    ADC_FILTER_IDX = 1

    [PCC_FILTER_5]
    RULE_NAME = adc_rule_2
    RATING_GROUP = 0
    SERVICE_ID = CIPA
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 9
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = Example
    REDIRECT_INFO = 0
    SPONSOR_ID = Example
    REDIRECT_INFO = 0
    PRECEDENCE = 4
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 0
    DL_MBR_MTR_PROFILE_IDX = 0
    ;List of SDF filter indices
    ADC_FILTER_IDX = 2

    [PCC_FILTER_6]
    RULE_NAME = sdf_rule_3
    RATING_GROUP = 7
    SERVICE_ID = 0
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 4
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = 0
    REDIRECT_INFO = 0
    PRECEDENCE = 17
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 5
    DL_MBR_MTR_PROFILE_IDX = 5
    ;List of SDF filter indices
    SDF_FILTER_IDX = 3

    [PCC_FILTER_7]
    RULE_NAME = adc_rule_3
    RATING_GROUP = Zero-Rate
    SERVICE_ID = Internet
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 5
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = Example
    REDIRECT_INFO = 0
    PRECEDENCE = 210
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 7
    DL_MBR_MTR_PROFILE_IDX = 7
    ;List of SDF filter indices
    ADC_FILTER_IDX = 4

    [PCC_FILTER_8]
    RULE_NAME = adc_rule_4
    RATING_GROUP = Zero-Rate
    SERVICE_ID = Management
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 6
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = Example
    REDIRECT_INFO = 0
    PRECEDENCE = 200
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 7
    DL_MBR_MTR_PROFILE_IDX = 7
    ;List of SDF filter indices
    ADC_FILTER_IDX = 12

    [PCC_FILTER_9]
    RULE_NAME = adc_rule_5
    RATING_GROUP = Zero-Rate
    SERVICE_ID = Provisioning
    RULE_STATUS = 0
    GATE_STATUS = 1
    SESSION_CONT = 0
    REPORT_LEVEL = 7
    CHARGING_MODE = 0
    METERING_METHOD = 0
    MUTE_NOTIFY = 0
    MONITORING_KEY = 0
    SPONSOR_ID = Example
    REDIRECT_INFO = 0
    PRECEDENCE = 220
    DROP_PKT_COUNT = 0
    UL_MBR_MTR_PROFILE_IDX = 7
    DL_MBR_MTR_PROFILE_IDX = 7
    ;List of SDF filter indices
    ADC_FILTER_IDX = 3
  sdf_rules.cfg: |
    [GLOBAL]
    NUM_SDF_FILTERS = 4

    [SDF_FILTER_1]
    DIRECTION = downlink_only
    IPV4_REMOTE = 13.2.1.113
    IPV4_REMOTE_MASK = 255.255.255.0
    PROTOCOL = 17
    LOCAL_LOW_LIMIT_PORT = 0
    LOCAL_HIGH_LIMIT_PORT = 65535
    REMOTE_LOW_LIMIT_PORT = 0
    REMOTE_HIGH_LIMIT_PORT = 65535

    [SDF_FILTER_2]
    DIRECTION = uplink_only
    IPV4_LOCAL = 16.255.255.0
    IPV4_LOCAL_MASK = 255.255.255.0
    PROTOCOL = 17
    LOCAL_LOW_LIMIT_PORT = 0
    LOCAL_HIGH_LIMIT_PORT = 65535
    REMOTE_LOW_LIMIT_PORT = 0
    REMOTE_HIGH_LIMIT_PORT = 65535

    [SDF_FILTER_3]
    DIRECTION = downlink_only
    IPV4_REMOTE = 130.10.0.0
    IPV4_REMOTE_MASK = 255.255.0.0
    PROTOCOL = 17
    REMOTE_LOW_LIMIT_PORT = 5060
    REMOTE_HIGH_LIMIT_PORT = 5060

    [SDF_FILTER_4]
    DIRECTION = uplink_only
    IPV4_REMOTE = 103.1.0.0
    IPV4_REMOTE_MASK = 255.255.0.0
    PROTOCOL = 17
    LOCAL_LOW_LIMIT_PORT = 17000
    LOCAL_HIGH_LIMIT_PORT = 17010
---
apiVersion: v1
kind: Service
metadata:
  name: {{ .Values.spgwc.name }}
spec:
  selector:
    app: {{ .Values.spgwc.name }}
  clusterIP: None
  ports:
  - name: s11
    port: 2123
    protocol: UDP
  - name: cpdp
    port: 21
    protocol: UDP
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ .Values.spgwc.name }}
  labels:
    app: {{ .Values.spgwc.name }}
spec:
  replicas: 1
  selector:
    matchLabels:
      app: {{ .Values.spgwc.name }}
  serviceName: {{ .Values.spgwc.name | quote }}
  template:
    metadata:
      labels:
        app: {{ .Values.spgwc.name }}
    spec:
      serviceAccount: spgwc-pod-reader
      initContainers:
      - name: init-spgwc
        image: {{ .Values.spgwc.initimage }}
        command: ["/bin/sh", "-co", "pipefail"]
        args:
        - until $(kubectl get pod -ojson spgwu-0 2>/dev/null | jq -r '.metadata.annotations["k8s.v1.cni.cncf.io/networks-status"]' | jq -r '.[] | select(.name=="s1u-net") | .ips[0]' > /opt/cp/config/shared/SGW_S1U_IP);
          do echo "waiting for SPGWU"; sleep 2; done
        volumeMounts:
        - name: shared-data
          mountPath: /opt/cp/config/shared
      containers:
      - name: spgwc
        image: {{ .Values.spgwc.image }}
        imagePullPolicy: {{ .Values.global.imagepullpolicy }}
        stdin: true
        tty: true
        command: ["/opt/cp/scripts/launch.sh"]
        env:
        - name: MEM_LIMIT
          valueFrom:
            resourceFieldRef:
              containerName: spgwc
              resource: limits.memory
              divisor: 1Mi
        #- name: SGW_S1U_IP
        #  value: "11.1.1.1"
        - name: CP_ADDR
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: DP_ADDR
          value: spgwu-0.{{ .Values.spgwu.name }}.{{ .Values.global.namespace }}.{{ .Values.global.fqdn }}
        - name: MME_S11_IP
          value: mme-0.{{ .Values.mme.name }}.{{ .Values.global.namespace }}.{{ .Values.global.fqdn }}
        - name: APN
          value: apn1
        - name: IP_POOL_IP
          value: "16.0.0.0"
        - name: IP_POOL_MASK
          value: "255.0.0.0"
        volumeMounts:
        - name: cp-script
          mountPath: /opt/cp/scripts/launch.sh
          subPath: launch.sh
        - name: cp-config
          mountPath: /etc/cp/config
        - name: shared-data
          mountPath: /opt/cp/config/shared
        #- name: hugepage
        #  mountPath: /dev/hugepages
        resources:
          limits:
            #hugepages-2Mi: 4Gi
            cpu: {{ .Values.spgwc.cpu | quote }}
            memory: {{ .Values.spgwc.memory }}
      volumes:
      - name: cp-script
        configMap:
          name: {{ .Values.spgwc.name }}
          defaultMode: 493
      - name: cp-config
        configMap:
          name: {{ .Values.spgwc.name }}
          defaultMode: 420
      - name: shared-data
        emptyDir: {}
        #- name: hugepage
        #  emptyDir:
        #    medium: HugePages