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sassoftware / viya4-iac-azure

This project contains Terraform configuration files to provision infrastructure components required to deploy SAS Viya platform products on Microsoft Azure Cloud.
Apache License 2.0
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feat!: (IAC-1009) Add support for network plugin mode overlay #360

Closed riragh closed 7 months ago

riragh commented 7 months ago

Changes:

This PR adds support to Azure CNI Overlay. New variable aks_network_plugin_mode is introduced in this change with possible value of "overlay". For more details see Azure CNI Overlay.

The codebase was updated to change the default value for aks_network_policy to null, as Azure CNI Overlay supports network policy options of "azure", "calico", or null. This changes the previous default value for aks_network_policy, which would result in breaking change for existing users.

Test:

Verified following scenarios, see internal ticket for details: Scenario Provider Task kubectl version order cadence
1 Azure aks_cluster_sku_tier = free, aks_network_plugin = "azure", aks_network_policy = "azure", aks_network_plugin_mode = "overlay" 1.27.9 ** stable:2023.12
2 Azure aks_cluster_sku_tier = Standard, aks_network_plugin = "azure", aks_network_policy = "azure", aks_network_plugin_mode = "overlay" 1.27.9 ** stable:2023.12
3 Azure aks_cluster_sku_tier = free, aks_network_plugin = "azure", aks_network_plugin_mode = "overlay" 1.27.9 ** stable:2023.12
4 Azure aks_cluster_sku_tier = Standard, aks_network_plugin = "azure", aks_network_plugin_mode = "overlay" 1.27.9 ** stable:2023.12
5 Azure aks_cluster_sku_tier = free, aks_network_plugin = "azure", aks_network_policy = "calico", aks_network_plugin_mode = "overlay" 1.27.9 ** stable:2023.12
6 Azure aks_cluster_sku_tier = Standard, aks_network_plugin = "azure", aks_network_policy = "calico", aks_network_plugin_mode = "overlay" 1.27.9 ** fast:2020