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allow public clusters, configuration of spoke network and byo hub #148

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merged 4 commits into from
Sep 27, 2024
Merged

allow public clusters, configuration of spoke network and byo hub #148

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357392b
allow configuration of spoke network and byo hub
mosabami Sep 27, 2024
e31f876
Merge branch 'main' into mos-flexible-spoke-deployment
mosabami Sep 27, 2024
4339093
allow configuration of spoke network and byo hub
mosabami Sep 27, 2024
67d7177
Merge branch 'mos-flexible-spoke-deployment' of https://github.com/Az…
mosabami Sep 27, 2024
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204 changes: 201 additions & 3 deletions Scenarios/AKS-Secure-Baseline-PrivateCluster/Bicep/03-Network-Hub/main.bicep
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,6 @@ param vnetHubName string
param hubVNETaddPrefixes array
param azfwName string
param rtVMSubnetName string
param fwapplicationRuleCollections array
param fwnetworkRuleCollections array
param fwnatRuleCollections array
param location string = deployment().location
param availabilityZones array
Expand All @@ -22,6 +20,10 @@ param azureBastionSubnetAddressPrefix string
param vmsubnetSubnetName string
param vmsubnetSubnetAddressPrefix string

@description('The prefix for the spoke subnet AKS')
param spokeSubnetAKSPrefix string = '10.1.1.0/24'


module rg 'br/public:avm/res/resources/resource-group:0.2.3' = {
name: rgName
params: {
Expand Down Expand Up @@ -164,6 +166,202 @@ module telemetry './telemetry.bicep' = {
params: {
enableTelemetry: enableTelemetry
telemetryId: telemetryId
location: location
}
}


// Defining firewall config here so that the spokeSubnetAKSPrefix can be passed dynamically
// this way, if customer isnt using the default subnetprefix for AKS, they can configure the
// firewall settings to make it allow AKS deploy successfully by specifying their own subnet prefix
@description('Returns the firewall application rule collections')
param fwapplicationRuleCollections array = [
{
name: 'Helper-tools'
properties: {
priority: 101
action: {
type: 'Allow'
}
rules: [
{
name: 'Allow-ifconfig'
protocols: [
{
port: 80
protocolType: 'Http'
}
{
port: 443
protocolType: 'Https'
}
]
targetFqdns: [
'ifconfig.co'
'api.snapcraft.io'
'jsonip.com'
'kubernaut.io'
'motd.ubuntu.com'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
}
]
}
}
{
name: 'AKS-egress-application'
properties: {
priority: 102
action: {
type: 'Allow'
}
rules: [
{
name: 'Egress'
protocols: [
{
port: 443
protocolType: 'Https'
}
]
targetFqdns: [
'*.azmk8s.io'
'aksrepos.azurecr.io'
'*.blob.core.windows.net'
'*.cdn.mscr.io'
'*.opinsights.azure.com'
'*.monitoring.azure.com'
]
sourceAddresses: [
'10.1.1.0/24'
]
}
{
name: 'Registries'
protocols: [
{
port: 443
protocolType: 'Https'
}
]
targetFqdns: [
'*.azurecr.io'
'*.gcr.io'
'*.docker.io'
'quay.io'
'*.quay.io'
'*.cloudfront.net'
'production.cloudflare.docker.com'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
}
{
name: 'Additional-Usefull-Address'
protocols: [
{
port: 443
protocolType: 'Https'
}
]
targetFqdns: [
'grafana.net'
'grafana.com'
'stats.grafana.org'
'github.com'
'charts.bitnami.com'
'raw.githubusercontent.com'
'*.letsencrypt.org'
'usage.projectcalico.org'
'vortex.data.microsoft.com'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
}
{
name: 'AKS-FQDN-TAG'
protocols: [
{
port: 80
protocolType: 'Http'
}
{
port: 443
protocolType: 'Https'
}
]
targetFqdns: []
fqdnTags: [
'AzureKubernetesService'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
}
]
}
}
]

@description('Returns the firewall network rule collections')
param fwnetworkRuleCollections array = [
{
name: 'AKS-egress'
properties: {
priority: 200
action: {
type: 'Allow'
}
rules: [
{
name: 'NTP'
protocols: [
'UDP'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
destinationAddresses: [
'*'
]
destinationPorts: [
'123'
]
}
{
name: 'APITCP'
protocols: [
'TCP'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
destinationAddresses: [
'*'
]
destinationPorts: [
'9000'
]
}
{
name: 'APIUDP'
protocols: [
'UDP'
]
sourceAddresses: [
spokeSubnetAKSPrefix
]
destinationAddresses: [
'*'
]
destinationPorts: [
'1194'
]
}
]
}
}
]
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