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-rw-r--r--kubernetes/common/common/templates/_ingress.tpl112
-rw-r--r--kubernetes/common/common/templates/_serviceMesh.tpl81
2 files changed, 166 insertions, 27 deletions
diff --git a/kubernetes/common/common/templates/_ingress.tpl b/kubernetes/common/common/templates/_ingress.tpl
index 30ef02295f..a9ffd70f96 100644
--- a/kubernetes/common/common/templates/_ingress.tpl
+++ b/kubernetes/common/common/templates/_ingress.tpl
@@ -102,18 +102,20 @@ true
*/}}
{{- define "istio.config.port" -}}
{{- $dot := default . .dot -}}
-{{- if .exposedPort }}
- number: {{ .exposedPort }}
-{{- if .exposedProtocol }}
- name: {{ .baseaddr }}
- protocol: {{ .exposedProtocol }}
+{{- $baseaddr := (required "'baseaddr' param, set to the specific part of the fqdn, is required." .baseaddr) -}}
+{{- $protocol := (required "'protocol' param, set to the name of the port, is required." .protocol) -}}
+{{- if $dot.exposedPort }}
+ number: {{ $dot.exposedPort }}
+{{- if $dot.exposedProtocol }}
+ name: {{ $protocol }}-{{ $dot.exposedPort }}
+ protocol: {{ $dot.exposedProtocol }}
{{- else }}
- name: http
+ name: {{ $protocol }}
protocol: HTTP
{{- end -}}
{{- else }}
number: 80
- name: http
+ name: {{ $protocol }}
protocol: HTTP
{{- end -}}
{{- end -}}
@@ -148,25 +150,47 @@ true
Istio Helper function to add the route to the service
*/}}
{{- define "istio.config.route" -}}
-{{- $dot := default . .dot -}}
- http:
+{{- $dot := default . .dot -}}
+{{- $protocol := (required "'protocol' param, is required." .protocol) -}}
+{{- if eq $protocol "tcp" }}
+ - match:
+ - port: {{ $dot.exposedPort }}
+ route:
+ - destination:
+ port:
+ {{- if $dot.plain_port }}
+ {{- if kindIs "string" $dot.plain_port }}
+ name: {{ $dot.plain_port }}
+ {{- else }}
+ number: {{ $dot.plain_port }}
+ {{- end }}
+ {{- else }}
+ {{- if kindIs "string" $dot.port }}
+ name: {{ $dot.port }}
+ {{- else }}
+ number: {{ $dot.port }}
+ {{- end }}
+ {{- end }}
+ host: {{ $dot.name }}
+{{- else if eq $protocol "http" }}
- route:
- destination:
port:
- {{- if .plain_port }}
- {{- if kindIs "string" .plain_port }}
- name: {{ .plain_port }}
+ {{- if $dot.plain_port }}
+ {{- if kindIs "string" $dot.plain_port }}
+ name: {{ $dot.plain_port }}
{{- else }}
- number: {{ .plain_port }}
+ number: {{ $dot.plain_port }}
{{- end }}
{{- else }}
- {{- if kindIs "string" .port }}
- name: {{ .port }}
+ {{- if kindIs "string" $dot.port }}
+ name: {{ $dot.port }}
{{- else }}
- number: {{ .port }}
+ number: {{ $dot.port }}
{{- end }}
{{- end }}
- host: {{ .name }}
+ host: {{ $dot.name }}
+{{- end -}}
{{- end -}}
{{/*
@@ -240,12 +264,27 @@ true
{{- end -}}
{{/*
+ Create Port entry in the Gateway resource
+*/}}
+{{- define "istio.config.gatewayPort" -}}
+{{- $dot := default . .dot -}}
+{{- $service := (required "'service' param, set to the specific service, is required." .service) -}}
+{{- $baseaddr := (required "'baseaddr' param, set to the specific part of the fqdn, is required." .baseaddr) -}}
+{{- $protocol := (required "'protocol' param, set to the specific port, is required." .protocol) -}}
+ - port:
+ {{- include "istio.config.port" (dict "dot" $service "baseaddr" $baseaddr "protocol" $protocol) }}
+ hosts:
+ - {{ include "ingress.config.host" (dict "dot" $dot "baseaddr" $baseaddr) }}
+ {{- include "istio.config.tls" (dict "dot" $dot "service" $service "baseaddr" $baseaddr) }}
+{{- end -}}
+
+{{/*
Create Istio Ingress resources per defined service
*/}}
{{- define "common.istioIngress" -}}
-{{- $dot := default . .dot -}}
-{{ range $dot.Values.ingress.service }}
-{{- $baseaddr := (required "'baseaddr' param, set to the specific part of the fqdn, is required." .baseaddr) }}
+{{- $dot := default . .dot -}}
+{{ range $dot.Values.ingress.service }}
+{{- $baseaddr := (required "'baseaddr' param, set to the specific part of the fqdn, is required." .baseaddr) }}
---
apiVersion: networking.istio.io/v1beta1
kind: Gateway
@@ -255,11 +294,17 @@ spec:
selector:
istio: ingress # use Istio default gateway implementation
servers:
- - port:
- {{- include "istio.config.port" . }}
- hosts:
- - {{ include "ingress.config.host" (dict "dot" $dot "baseaddr" $baseaddr) }}
- {{- include "istio.config.tls" (dict "dot" $dot "service" . "baseaddr" $baseaddr) }}
+{{- if .tcpRoutes }}
+{{ range .tcpRoutes }}
+ {{ include "istio.config.gatewayPort" (dict "dot" $dot "service" . "baseaddr" $baseaddr "protocol" "tcp") | trim }}
+{{ end -}}
+{{- else }}
+ {{- if .protocol }}
+ {{ include "istio.config.gatewayPort" (dict "dot" $dot "service" . "baseaddr" $baseaddr "protocol" .protocol) | trim }}
+ {{- else }}
+ {{ include "istio.config.gatewayPort" (dict "dot" $dot "service" . "baseaddr" $baseaddr "protocol" "http") | trim }}
+ {{ end }}
+{{ end }}
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
@@ -270,8 +315,21 @@ spec:
- {{ include "ingress.config.host" (dict "dot" $dot "baseaddr" $baseaddr) }}
gateways:
- {{ $baseaddr }}-gateway
- {{ include "istio.config.route" . | trim }}
-{{- end -}}
+{{- if .tcpRoutes }}
+ tcp:
+{{ range .tcpRoutes }}
+ {{ include "istio.config.route" (dict "dot" . "protocol" "tcp") | trim }}
+{{ end -}}
+{{- else }}
+ {{- if .protocol }}
+ {{ .protocol }}:
+ {{ include "istio.config.route" (dict "dot" . "protocol" .protocol) | trim }}
+ {{- else }}
+ http:
+ {{ include "istio.config.route" (dict "dot" . "protocol" "http") | trim }}
+ {{ end }}
+{{ end }}
+{{- end -}}
{{- end -}}
{{/*
diff --git a/kubernetes/common/common/templates/_serviceMesh.tpl b/kubernetes/common/common/templates/_serviceMesh.tpl
index a685a73627..fe2424cc85 100644
--- a/kubernetes/common/common/templates/_serviceMesh.tpl
+++ b/kubernetes/common/common/templates/_serviceMesh.tpl
@@ -1,5 +1,6 @@
{{/*
# Copyright © 2020 Amdocs, Bell Canada, Orange
+# Modifications Copyright © 2023 Nordix Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -66,3 +67,83 @@ exit "$RCODE"
fieldPath: metadata.namespace
{{- end }}
{{- end }}
+
+{{/*
+ Use Authorization Policies or not.
+*/}}
+{{- define "common.useAuthorizationPolicies" -}}
+{{- if (include "common.onServiceMesh" .) }}
+{{- if .Values.global.authorizationPolicies -}}
+{{- if (default false .Values.global.authorizationPolicies.enabled) -}}
+true
+{{- end -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+ Create Authorization Policy template.
+ If common.useAuthorizationPolicies returns true:
+ Will create authorization policy, provided with array of authorized principals in .Values.serviceMesh.authorizationPolicy.authorizedPrincipals
+ in the format:
+ authorizedPrincipals:
+ - serviceAccount: <serviceaccount name> (Mandatory)
+ namespace: <namespace name> (Optional, will default to onap)
+ allowedOperationMethods: <list of allowed HTTP operations (Optional, will default to ["GET", "POST", "PUT", "PATCH", "DELETE"])
+
+ If no authorizedPrincipals provided, will default to denying all requests to the app matched under the
+ spec:
+ selector:
+ matchLabels:
+ app.kubernetes.io/name: <app-to-match> ("app.kubernetes.io/name" corresponds to key defined in "common.labels", which is included in "common.service")
+
+ If common.useAuthorizationPolicies returns false:
+ Will create an authorization policy without rules, i.e., an allow-all policy
+*/}}
+{{- define "common.authorizationPolicy" -}}
+{{- $dot := default . .dot -}}
+{{- $trustedDomain := default "cluster.local" $dot.Values.serviceMesh.authorizationPolicy.trustedDomain -}}
+{{- $authorizedPrincipals := default list $dot.Values.serviceMesh.authorizationPolicy.authorizedPrincipals -}}
+{{- $defaultOperationMethods := list "GET" "POST" "PUT" "PATCH" "DELETE" -}}
+{{- $relName := include "common.release" . -}}
+apiVersion: security.istio.io/v1beta1
+kind: AuthorizationPolicy
+metadata:
+ name: {{ include "common.fullname" (dict "suffix" "authz" "dot" . )}}
+ namespace: {{ include "common.namespace" . }}
+spec:
+ selector:
+ matchLabels:
+ app.kubernetes.io/name: {{ include "common.servicename" . }}
+ action: ALLOW
+ rules:
+{{- if (include "common.useAuthorizationPolicies" .) }}
+{{- if $authorizedPrincipals }}
+{{- range $principal := $authorizedPrincipals }}
+ - from:
+ - source:
+ principals:
+{{- $namespace := default "onap" $principal.namespace -}}
+{{- if eq "onap" $namespace }}
+ - "{{ $trustedDomain }}/ns/{{ $namespace }}/sa/{{ $relName }}-{{ $principal.serviceAccount }}"
+{{- else }}
+ - "{{ $trustedDomain }}/ns/{{ $namespace }}/sa/{{ $principal.serviceAccount }}"
+{{- end }}
+ to:
+ - operation:
+ methods:
+{{- if $principal.allowedOperationMethods }}
+{{- range $method := $principal.allowedOperationMethods }}
+ - {{ $method }}
+{{- end }}
+{{- else }}
+{{- range $method := $defaultOperationMethods }}
+ - {{ $method }}
+{{- end }}
+{{- end }}
+{{- end }}
+{{- end }}
+{{- else }}
+ - {}
+{{- end }}
+{{- end -}}