Add multus addon helm chart

- Support for calico configuration is present but currently disabled.

Issue-ID: MULTICLOUD-1324
Signed-off-by: Todd Malsbary <todd.malsbary@intel.com>
Change-Id: I2d2161564c4da2e165e5cf13cea92fae4935f8b2

10 files changed, 433 insertions, 0 deletions

diff --git a/kud/deployment_infra/helm/multus-cni/.helmignore b/kud/deployment_infra/helm/multus-cni/.helmignore
new file mode 100644
index 00000000..0e8a0eb3
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/.helmignore
@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
diff --git a/kud/deployment_infra/helm/multus-cni/Chart.yaml b/kud/deployment_infra/helm/multus-cni/Chart.yaml
new file mode 100644
index 00000000..84d2255c
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/Chart.yaml
@@ -0,0 +1,26 @@
+# Copyright 2021 Intel Corporation, Inc
+#
+# 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: v2
+appVersion: v3.7
+description: |
+  Multus CNI is a container network interface (CNI) plugin for
+  Kubernetes that enables attaching multiple network interfaces to
+  pods.
+home: https://github.com/intel/multus-cni
+name: multus-cni
+sources:
+  - https://github.com/intel/multus-cni
+type: application
+version: 0.1.0
diff --git a/kud/deployment_infra/helm/multus-cni/crds/net-attach-def.yaml b/kud/deployment_infra/helm/multus-cni/crds/net-attach-def.yaml
new file mode 100644
index 00000000..85347bd3
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/crds/net-attach-def.yaml
@@ -0,0 +1,45 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: network-attachment-definitions.k8s.cni.cncf.io
+spec:
+  group: k8s.cni.cncf.io
+  scope: Namespaced
+  names:
+    plural: network-attachment-definitions
+    singular: network-attachment-definition
+    kind: NetworkAttachmentDefinition
+    shortNames:
+    - net-attach-def
+  versions:
+    - name: v1
+      served: true
+      storage: true
+      schema:
+        openAPIV3Schema:
+          description: 'NetworkAttachmentDefinition is a CRD schema specified by the Network Plumbing
+            Working Group to express the intent for attaching pods to one or more logical or physical
+            networks. More information available at: https://github.com/k8snetworkplumbingwg/multi-net-spec'
+          type: object
+          properties:
+            apiVersion:
+              description: 'APIVersion defines the versioned schema of this represen
+                tation of an object. Servers should convert recognized schemas to the
+                latest internal value, and may reject unrecognized values. More info:
+                https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+              type: string
+            kind:
+              description: 'Kind is a string value representing the REST resource this
+                object represents. Servers may infer this from the endpoint the client
+                submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+              type: string
+            metadata:
+              type: object
+            spec:
+              description: 'NetworkAttachmentDefinition spec defines the desired state of a network attachment'
+              type: object
+              properties:
+                config:
+                  description: 'NetworkAttachmentDefinition config is a JSON-formatted CNI configuration'
+                  type: string
diff --git a/kud/deployment_infra/helm/multus-cni/templates/_helpers.tpl b/kud/deployment_infra/helm/multus-cni/templates/_helpers.tpl
new file mode 100644
index 00000000..71aee739
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/templates/_helpers.tpl
@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "multus.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "multus.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "multus.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "multus.labels" -}}
+helm.sh/chart: {{ include "multus.chart" . }}
+{{ include "multus.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "multus.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "multus.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "multus.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "multus.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
diff --git a/kud/deployment_infra/helm/multus-cni/templates/clusterrole.yaml b/kud/deployment_infra/helm/multus-cni/templates/clusterrole.yaml
new file mode 100644
index 00000000..1a3a87e0
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/templates/clusterrole.yaml
@@ -0,0 +1,31 @@
+{{- if .Values.rbac.create }}
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: {{ include "multus.fullname" . }}
+  labels:
+    {{- include "multus.labels" . | nindent 4 }}
+rules:
+  - apiGroups: ["k8s.cni.cncf.io"]
+    resources:
+      - '*'
+    verbs:
+      - '*'
+  - apiGroups:
+      - ""
+    resources:
+      - pods
+      - pods/status
+    verbs:
+      - get
+      - update
+  - apiGroups:
+      - ""
+      - events.k8s.io
+    resources:
+      - events
+    verbs:
+      - create
+      - patch
+      - update
+{{- end }}
\ No newline at end of file
diff --git a/kud/deployment_infra/helm/multus-cni/templates/clusterrolebinding.yaml b/kud/deployment_infra/helm/multus-cni/templates/clusterrolebinding.yaml
new file mode 100644
index 00000000..4e626480
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/templates/clusterrolebinding.yaml
@@ -0,0 +1,16 @@
+{{- if .Values.rbac.create }}
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: {{ include "multus.fullname" . }}
+  labels:
+    {{- include "multus.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ include "multus.fullname" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "multus.serviceAccountName" . }}
+  namespace: {{ $.Release.Namespace }}
+{{- end }}
\ No newline at end of file
diff --git a/kud/deployment_infra/helm/multus-cni/templates/cni-conf.yaml b/kud/deployment_infra/helm/multus-cni/templates/cni-conf.yaml
new file mode 100644
index 00000000..b1212139
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/templates/cni-conf.yaml
@@ -0,0 +1,9 @@
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: {{ .Values.config.name }}
+  labels:
+    {{- include "multus.labels" . | nindent 4 }}
+    tier: node
+data:
+  cni-conf.json: | {{ .Values.config.data | toPrettyJson | nindent 4}}
diff --git a/kud/deployment_infra/helm/multus-cni/templates/daemonset.yaml b/kud/deployment_infra/helm/multus-cni/templates/daemonset.yaml
new file mode 100644
index 00000000..551d6db6
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/templates/daemonset.yaml
@@ -0,0 +1,83 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: {{ include "multus.fullname" . }}-ds
+  labels:
+    {{- include "multus.labels" . | nindent 4 }}
+    tier: node
+spec:
+  selector:
+    matchLabels:
+      {{- include "multus.selectorLabels" . | nindent 6 }}
+  updateStrategy:
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        {{- include "multus.selectorLabels" . | nindent 8 }}
+        tier: node
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      hostNetwork: true
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 6 }}
+      {{- end }}
+      serviceAccountName: {{ include "multus.serviceAccountName" . }}
+      containers:
+      - name: kube-multus
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        env:
+        - name: KUBERNETES_NODE_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
+        command:
+        {{- if .Values.config.enabled }}
+        - /bin/bash
+        - -cex
+        - |
+          #!/bin/bash
+          sed "s|__KUBERNETES_NODE_NAME__|${KUBERNETES_NODE_NAME}|g" /tmp/multus-conf/{{ .Values.config.path }}.template > /tmp/{{ .Values.config.path }}
+          /entrypoint.sh --multus-conf-file=/tmp/{{ .Values.config.path }}
+        {{- else }}
+        - /entrypoint.sh
+        - "--multus-conf-file=auto"
+        - "--cni-version=0.3.1"
+        {{- end }}
+        lifecycle:
+          preStop:
+            exec:
+              command: ["/bin/bash", "-c", "rm /host/etc/cni/net.d/*-multus.conf"]
+        resources:
+          {{- toYaml .Values.resources | nindent 10 }}
+        securityContext:
+          {{- toYaml .Values.securityContext | nindent 10 }}
+        volumeMounts:
+        - name: cni
+          mountPath: /host/etc/cni/net.d
+        - name: cnibin
+          mountPath: /host/opt/cni/bin
+        - name: multus-cfg
+          mountPath: /tmp/multus-conf
+      volumes:
+        - name: cni
+          hostPath:
+            path: /etc/cni/net.d
+        - name: cnibin
+          hostPath:
+            path: /opt/cni/bin
+        - name: multus-cfg
+          configMap:
+            name: {{ .Values.config.name }}
+            items:
+            - key: cni-conf.json
+              path: {{ .Values.config.path }}.template
diff --git a/kud/deployment_infra/helm/multus-cni/templates/serviceaccount.yaml b/kud/deployment_infra/helm/multus-cni/templates/serviceaccount.yaml
new file mode 100644
index 00000000..144a098a
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/templates/serviceaccount.yaml
@@ -0,0 +1,12 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "multus.serviceAccountName" . }}
+  labels:
+    {{- include "multus.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end -}}
diff --git a/kud/deployment_infra/helm/multus-cni/values.yaml b/kud/deployment_infra/helm/multus-cni/values.yaml
new file mode 100644
index 00000000..e08f665e
--- /dev/null
+++ b/kud/deployment_infra/helm/multus-cni/values.yaml
@@ -0,0 +1,126 @@
+image:
+  repository: nfvpe/multus
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name:
+
+nameOverride: ""
+fullnameOverride: ""
+
+securityContext:
+  privileged: true
+
+resources:
+  requests:
+    cpu: "100m"
+    memory: "50Mi"
+  limits:
+    cpu: "100m"
+    memory: "50Mi"
+
+nodeSelector:
+  kubernetes.io/arch: amd64
+
+tolerations:
+- operator: Exists
+  effect: NoSchedule
+
+# NOTE: If you'd prefer to manually apply a configuration file, you
+# may create one here.  Additionally -- you should ensure that the
+# name "{{ .Values.config.path }}" is the alphabetically first name in
+# the /etc/cni/net.d/ directory on each node, otherwise, it will not
+# be used by the Kubelet.
+#
+# __KUBERNETES_NODE_NAME__ below is replaced by spec.nodeName at
+# startup.
+config:
+  enabled: true
+  name: multus-cni-config
+  path: 00-multus.conf
+  # data:
+  #   {
+  #     "name": "multus-cni-network",
+  #     "type": "multus",
+  #     "capabilities": {
+  #       "portMappings": true
+  #     },
+  #     "delegates": [
+  #       {
+  #         "cniVersion": "0.3.1",
+  #         "name": "default-cni-network",
+  #         "plugins": [
+  #           {
+  #             "name": "k8s-pod-network",
+  #             "cniVersion": "0.3.1",
+  #             "type": "calico",
+  #             "log_level": "info",
+  #             "datastore_type": "kubernetes",
+  #             "nodename": "__KUBERNETES_NODE_NAME__",
+  #             "mtu": 1440,
+  #             "ipam": {
+  #               "type": "calico-ipam"
+  #             },
+  #             "policy": {
+  #               "type": "k8s"
+  #             },
+  #             "kubernetes": {
+  #               "kubeconfig": "/etc/cni/net.d/calico-kubeconfig"
+  #             }
+  #           },
+  #           {
+  #             "type": "portmap",
+  #             "snat": true,
+  #             "capabilities": {"portMappings": true}
+  #           }
+  #         ]
+  #       }
+  #     ],
+  #     "kubeconfig": "/etc/cni/net.d/multus.d/multus.kubeconfig"
+  #   }
+  data:
+    {
+      "cniVersion": "0.3.1",
+      "name": "multus-cni-network",
+      "type": "multus",
+      "capabilities": {
+        "portMappings": true
+      },
+      "kubeconfig": "/etc/cni/net.d/multus.d/multus.kubeconfig",
+      "delegates": [
+        {
+          "name": "cbr0",
+          "cniVersion": "0.3.1",
+          "plugins": [
+            {
+              "type": "flannel",
+              "delegate": {
+                "isDefaultGateway": true,
+                "hairpinMode": true
+              }
+            },
+            {
+              "type": "portmap",
+              "capabilities": {
+                "portMappings": true
+              }
+            }
+          ]
+        }
+      ]
+    }
+
+## RBAC parameteres
+## https://kubernetes.io/docs/reference/access-authn-authz/rbac/
+##
+rbac:
+  create: true
+  serviceAccountName: