FROM ${BASE_DISTRIBUTION:-debug}

LABEL description="Istio CNI plugin installer."

ARG TARGETARCH
COPY ${TARGETARCH:-amd64}/istio-cni /opt/cni/bin/istio-cni
COPY ${TARGETARCH:-amd64}/install-cni /usr/local/bin/install-cni

ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/cni/bin
WORKDIR /opt/cni/bin

    operator.istio.io/component: "Cni"
data:
  # The CNI network configuration to add to the plugin chain on each node.  The special
  # values in this config will be automatically populated.
  cni_network_config: |-
        {
          "cniVersion": "0.3.1",
          "name": "istio-cni",
          "type": "istio-cni",
          "log_level": {{ quote .Values.cni.logLevel }},
          "log_uds_address": "__LOG_UDS_ADDRESS__",

	defaultFileMode = 0o644

	cniConfName          = "CNI_CONF_NAME"
	chainedCNIPluginName = "CHAINED_CNI_PLUGIN"
	cniNetworkConfigName = "CNI_NETWORK_CONFIG"
	cniNetworkConfig     = `{
  "cniVersion": "0.3.1",
  "type": "istio-cni",
  "log_level": "info",
  "kubernetes": {
      "kubeconfig": "__KUBECONFIG_FILEPATH__",
      "cni_bin_dir": "/opt/cni/bin",
      "exclude_namespaces": [ "istio-system" ]
  }
}
`

	if err != nil {
		log.Errorf("Failed to unmarshal CNI plugin event: %v", err)
		return msg, err
	}

	log.Debugf("Deserialized CNI plugin event: %+v", msg)
	return msg, nil
}

func (s *CniPluginServer) ReconcileCNIAddEvent(ctx context.Context, addCmd CNIPluginAddEvent) error {
	log := log.WithLabels("cni-event", addCmd)

	log.Debugf("netns: %s", addCmd.Netns)

// limitations under the License.

package plugin

import (
	"testing"

	"github.com/containernetworking/cni/pkg/types"
)

// Validate k8sArgs struct works for unmarshalling kubelet args
// This is important for CNI plugin conformance
func TestLoadArgs(t *testing.T) {
	kubeletArgs := "IgnoreUnknown=1;K8S_POD_NAMESPACE=istio-system;" +

import (
	"context"
	"encoding/json"
	"fmt"
	"net"
	"net/netip"
	"testing"

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"

	"istio.io/istio/cni/pkg/util"
	"istio.io/istio/pkg/config/constants"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test/util/assert"
)

func TestProcessAddEventGoodPayload(t *testing.T) {
	valid := CNIPluginAddEvent{

# The OpenShift profile provides a basic set of settings to run Istio on OpenShift
# CNI must be installed.
cni:
  cniBinDir: /var/lib/cni/bin
  cniConfDir: /etc/cni/multus/net.d
  chained: false
  cniConfFileName: "istio-cni.conf"
  logLevel: info
  provider: "multus"
global:
  platform: openshift
pilot:
  cni:
    enabled: true
    provider: "multus"

meshConfig:
  defaultConfig:
    proxyMetadata:
      ISTIO_META_ENABLE_HBONE: "true"
global:
  platform: openshift
cni:
  ambient:
    enabled: true
  cniBinDir: /var/lib/cni/bin
  cniConfDir: /etc/cni/multus/net.d
  chained: false
  cniConfFileName: "istio-cni.conf"
  logLevel: info
  provider: "multus"
pilot:
  cni:
    enabled: true
    provider: "multus"
  variant: distroless
  env:
    PILOT_ENABLE_AMBIENT: "true"

if [[ "${ISTIO_CLUSTER_ISGKE}" == "true" ]]; then
    ISTIO_CNI_ARGS="--set cni.cniBinDir=/home/kubernetes/bin"
fi
iop kube-system istio-cni $IBASE/istio-cni/ ${ISTIO_CNI_ARGS}
```

TODO. It is possible to add Istio-CNI later, and gradually migrate.

### Install Control plane

This can run in any cluster. A mesh should have at least one cluster should run Pilot or equivalent XDS server,

apiVersion: v1
name: cni
# This version is never actually shipped. istio/release-builder will replace it at build-time
# with the appropriate version
version: 1.0.0
appVersion: 1.0.0
description: Helm chart for istio-cni components
keywords:
  - istio-cni
  - istio
sources:
  - https://github.com/istio/istio
engine: gotpl