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URL: /v2/projects/{project-name}/composite-apps/{composite-app-name}/{version}/traffic-intent-set/us-to-us-intents/

POST BODY:
{
	"metadata": {
	"name": "bookinfo-reviews<>" // unique name for each intent
    "description": "connectivity intent for stateless micro-service to stateless micro-service communication"
	"userdata1": <>,
	"userdata2": <>
	}

	"spec": { // update the memory allocation for each field as per OpenAPI standards
	"application": "<app1>",
	"servicename": "httpbin" //actual name of the client service - {istioobject - serviceEntry of client's cluster}
	"protocol": "HTTP",
	"headless": "false", // default is false. Option "True" will make sure all the instances of the headless service will have access to the client service
	"mutualTLS": "MUTUAL", // Supportdefault 4is modessimple. DISABLE,Option SIMPLEMUTUAL and ISTIO_MUTUAL, MUTUAL (caCertificate required)will enforce mtls {istioobject - destinationRule}
	"port" : "80", // port on which service is exposed as through servicemesh, not the port it is actually running on
	"serviceMesh": "istio", // get it from cluster record
	"istio-proxy": "yes", // The features (mTLS, LB, Circuit breaking) are not avaialble to services without istio-proxy. Only inbound routing is possible.

	// Traffic configuration - Loadbalancing is applicable per service. The traffic to this service is distrbuted amongst the pods under it.
	"loadbalancingType": "ConsistenHash", // "Simple" and "consistentHash" are the two modes - {istioobject - destinationRule}
	"loadBalancerMode": "httpCookie" // Modes for consistentHash - "httpHeaderName", "httpCookie", "useSourceIP", "minimumRingSize", Modes for simple - "LEAST_CONN", "ROUND_ROBIN", "RANDOM", "PASSTHROUGH" // choices of the mode must be explicit - {istioobject - destinationRule}
	"httpCookie": "user1" // Name of the cookie to maitain stick sessions - {istioobject - destinationRule}

	// Circuit Breaking
	"maxConnections": 10 //connection pool for tcp and http traffic - {istioobject - destinationRule}
	"concurrenthttp2Requests": 1000 // concurent http2 requests which can be allowed - {istioobject - destinationRule}
	"httpRequestPerConnection": 100 //number of http requests per connection. Valid only for http traffic - {istioobject - destinationRule}
	"consecutiveErrors": 8 // Default is 5.  Number of consecutive error before the host is removed from load balancing pool - {istioobject - destinationRule}
	"baseEjectionTime" : 15 // Default is 5, time for which the host will be removed from load balancing pool when it returns error for no of times more than "consecutiveErrors" limit
	" - {istioobject - destinationRule}
	"intervalSweep": 5m, //time limit before the removed hosts are added back to the load balancing pool. - {istioobject - destinationRule}

	// credentials for mTLS. Not required in this scenario since the services are in one logical cloud with common rootCA. ISTIO_MUTUAL is enabled by default.
	"Servicecertificate" : "" // Present actual certificate here.
	"ServicePrivateKey" : "" // Present actual private key here.
	"caCertificate" : "" // present the trusted certificate to verify the client connection, Required only when mtls mode is MUTUAL

	// Access Control
	namespaces: [] // Workloads from this namespaces can access the inbound service - {istioobject - authorizationPolicy}
	
	}
}

RETURN STATUS: 201
RETURN BODY: 
{ 
  "name": "<name>"
  "Message": "inbound service created"
}

URL: /v2/projects/{project-name}/composite-apps/{composite-app-name}/{version}/traffic-group-intent/uservice-to-uservice-intent/clients
POST BODY:
{
	"metadata": {
	"name": "<name>" // unique name for each intent
    "description": "connectivity intent add client communication"
	"application": "<app1>",
	"userdata1": <>,
	"userdata2": <>
	}

	spec: {
		"clientServiceName": "sleep", // Name of the client service
		"headless": "false", // default is false. Option "True" will generate the required configs for all the instances of headless service
	}
}

RETURN STATUS: 201
RETURN BODY:
{ 
  "name": "<name>"
  "Message": "Client created"
}

URL: /v2/projects/{project-name}/composite-apps/{composite-app-name}/{version}/traffic-intent-set/us-to-us-intents/

POST BODY:
{
	"metadata": {
	"name": "<httpbin>" // unique name for each intent
    "description": "connectivity intent for stateless micro-service to stateless micro-service communication"
	"userdata1": <>,
	"userdata2": <>
	}

	"spec": { 
	"application": "<app1>",
	"servicename": "productpage" //actual name of the client service
	"protocol": "HTTP",
	"headless": "false", // default is false. Option "True" will make sure all the instances of the headless service will have access to the client service
	"mutualTLS": "MUTUAL", // default is simple. Option MUTUAL will enforce mtls
	"port" : "80", // port on which service is exposed as through servicemesh, not the port it is actually running on
	"serviceMesh": "istio", // get it from cluster record
	"istio-proxy": "yes", // The features (mTLS, LB, Circuit breaking) are no avaialble to services without istio-proxy. Only inbound routing is possible.

	// Traffic configuration - Loadbalancing is applicable per service. The traffic to this service is distrbuted amongst the pods under it.
	"loadbalancingType": "ConsistenHash", // "Simple" and "consistentHash" are the two modes
	"loadBalancerMode": "httpCookie" // Modes for consistentHash - "httpHeaderName", "httpCookie", "useSourceIP", "minimumRingSize", Modes for simple - "LEAST_CONN", "ROUND_ROBIN", "RANDOM", "PASSTHROUGH" // choices of the mode must be explicit
	"httpCookie": "user2" // Name of the cookie to maitain stick sessions

	// Circuit Breaking
	"maxConnections": 10 //connection pool for tcp and http traffic
	"concurrenthttp2Requests": 1000 // concurent http2 requests which can be allowed
	"httpRequestPerConnection": 100 //number of http requests per connection. Valid only for http traffic
	"consecutiveErrors": 8 // Default is 5.  Number of consecutive error before the host is removed from load balancing pool
	"baseEjectionTime" : 15 // Default is 5, time for which the host will be removed from load balancing pool when it returns error for no of times more than "consecutiveErrors" limit
	"intervalSweep": 5m, //time limit before the removed hosts are added back to the load balancing pool.

	// credentials for mTLS. Not required in this scenario since the services are in one logical cloud with common rootCA. ISTIO_MUTUAL is enabled by default.
	"Servicecertificate" : "" // Present actual certificate here.
	"ServicePrivateKey" : "" // Present actual private key here.
	"caCertificate": "" // Trusted caCertificates used to verify the client

	// Access Control
	namespaces: [] // Workloads from this namespaces can access the inbound service
	
	}
}

RETURN STATUS: 201
RETURN BODY: 
{ 
  "name": "<name>"
  "Message": "Clientinbound service created"
}

URL: /v2/projects/{project-name}/composite-apps/{composite-app-name}/{version}/traffic-group-intent/uservice-to-uservice-intent/clients
POST BODY:
{
	"metadata": {
	"name": "<name>" // unique name for each intent
    "description": "connectivity intent add client communication"
	"application": "<app1>",
	"userdata1": <>,
	"userdata2": <>
	}

	spec: {
		"clientServiceName": "bookinfo-user", // Name of the client service
		"headless": "false", // default is false. Option "True" will generate the required configs for all the instances of headless service
	}
}

RETURN STATUS: 201
RETURN BODY:
{ 
  "name": "<name>"
  "Message": "Client created"
}

URL: /v2/projects/{project-name}/composite-apps/{composite-app-name}/{version}/traffic-group-intent/uservice-to-uservice-intent/clients/sleep/security/security-intent
{
	"metadata": {
	"name": "<name>" // unique name for each intent
    "description": "Security intent"
	"application": "<app1>",
	"userdata1": <>,
	"userdata2": <>
	}

	spec:{
	serviceAccountAccess : {"cluster.local/ns/default/sa/sleep": {"GET": "/api/v1/products"}}, // {istioobject - authorizationPolicy, will be applied for the inbound service}
	}
}

RETURN STATUS: 201
RETURN BODY:
{ 
  "name": "<name>"
  "Message": "Security Rule created"
}

apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
  name: service-entry-httpbin
  namespace: namespace01
spec:
  hosts:
  - httpbin.namespace02.logicalcloud02
  # template for the remote service name - <servicename.namespace.global>
  # Treat remote cluster services as part of the service mesh
  # as all clusters in the service mesh share the same root of trust.
  location: MESH_INTERNAL
  ports:
  - name: http1
    number: 8000
    protocol: http
  resolution: DNS
  addresses:
  # the IP address to which httpbin.<namespace>.<logicalcloudname> will resolve to
  # must be unique for each remote service, within a given cluster.
  # This address need not be routable. Traffic for this IP will be captured
  # by the sidecar and routed appropriately.
  - 240.0.0.2
  endpoints:
  # This is the routable address of the istio ingress gateway in cluster02
  # routed to this address.
  - address: 172.25.55.50 // IP of the istio-ingress-gateway
    ports:
      http1: 15443 //Sni. Do not change this

apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: sleep-dr
  namespace: default
spec:
  host: "sleep.namespace01.svc.cluster.local"
  trafficPolicy:
    tls:
      mode: MUTUAL
      serverCertificate: /etc/certs/cert-chain.pem
      privateKey: /etc/certs/key.pem
      caCertificates: /etc/certs/root-cert.pem

apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: sleep-dr
  namespace: namespace01
spec:
  host: "sleep"
  trafficPolicy:
    tls:
      serverCertificate: /etc/certs/cert-chain.pem
      privateKey: /etc/certs/key.pem
      caCertificates: /etc/certs/root-cert.pem

apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: sleep-dr
  namespace: namespace01
spec:
  host: "bookinfo-user"
  trafficPolicy:
    tls:
      serverCertificate: /etc/certs/cert-chain.pem
      privateKey: /etc/certs/key.pem
      caCertificates: /etc/certs/root-cert.pem

apiVersion: security.istio.io/v1beta1
kind: -AuthorizationPolicy
operationmetadata:
 name: deny-all
 namespace: namespace02
spec:
  methodsselector:
["GET"]   matchLabels:
     paths: ["/status*"]
 app: <app_Name_of_httpbin>
  rules:
  - operationfrom:
    -    methods: ["POST"]source:
        pathsprincipals: ["/headerscluster.local/ns/default/sa/sleep"]