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extra_node_pool.tf
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resource "azurerm_kubernetes_cluster_node_pool" "node_pool" {
for_each = var.node_pools
kubernetes_cluster_id = azurerm_kubernetes_cluster.main.id
name = "${each.value.name}${substr(md5(jsonencode(each.value)), 0, 4)}"
vm_size = each.value.vm_size
capacity_reservation_group_id = each.value.capacity_reservation_group_id
custom_ca_trust_enabled = each.value.custom_ca_trust_enabled
enable_auto_scaling = each.value.enable_auto_scaling
enable_host_encryption = each.value.enable_host_encryption
enable_node_public_ip = each.value.enable_node_public_ip
eviction_policy = each.value.eviction_policy
fips_enabled = each.value.fips_enabled
host_group_id = each.value.host_group_id
kubelet_disk_type = each.value.kubelet_disk_type
max_count = each.value.max_count
max_pods = each.value.max_pods
message_of_the_day = each.value.message_of_the_day
min_count = each.value.min_count
mode = each.value.mode
node_count = each.value.node_count
node_labels = each.value.node_labels
node_public_ip_prefix_id = each.value.node_public_ip_prefix_id
node_taints = each.value.node_taints
orchestrator_version = each.value.orchestrator_version
os_disk_size_gb = each.value.os_disk_size_gb
os_disk_type = each.value.os_disk_type
os_sku = each.value.os_sku
os_type = each.value.os_type
pod_subnet_id = each.value.pod_subnet_id
priority = each.value.priority
proximity_placement_group_id = each.value.proximity_placement_group_id
scale_down_mode = each.value.scale_down_mode
snapshot_id = each.value.snapshot_id
spot_max_price = each.value.spot_max_price
tags = merge(each.value.tags, (/*<box>*/ (var.tracing_tags_enabled ? { for k, v in /*</box>*/ {
avm_git_commit = "bc0c9fab9ee53296a64c7a682d2ed7e0726c6547"
avm_git_file = "main.tf"
avm_git_last_modified_at = "2023-05-04 05:02:32"
avm_git_org = "Azure"
avm_git_repo = "terraform-azurerm-aks"
avm_yor_trace = "2aa46696-a713-4c12-95c0-550c5ff7f8ec"
} /*<box>*/ : replace(k, "avm_", var.tracing_tags_prefix) => v } : {}) /*</box>*/), (/*<box>*/ (var.tracing_tags_enabled ? { for k, v in /*</box>*/ {
avm_yor_name = "node_pool"
} /*<box>*/ : replace(k, "avm_", var.tracing_tags_prefix) => v } : {}) /*</box>*/))
ultra_ssd_enabled = each.value.ultra_ssd_enabled
vnet_subnet_id = each.value.vnet_subnet_id
workload_runtime = each.value.workload_runtime
zones = each.value.zones
dynamic "kubelet_config" {
for_each = each.value.kubelet_config == null ? [] : ["kubelet_config"]
content {
allowed_unsafe_sysctls = each.value.kubelet_config.allowed_unsafe_sysctls
container_log_max_line = each.value.kubelet_config.container_log_max_files
container_log_max_size_mb = each.value.kubelet_config.container_log_max_size_mb
cpu_cfs_quota_enabled = each.value.kubelet_config.cpu_cfs_quota_enabled
cpu_cfs_quota_period = each.value.kubelet_config.cpu_cfs_quota_period
cpu_manager_policy = each.value.kubelet_config.cpu_manager_policy
image_gc_high_threshold = each.value.kubelet_config.image_gc_high_threshold
image_gc_low_threshold = each.value.kubelet_config.image_gc_low_threshold
pod_max_pid = each.value.kubelet_config.pod_max_pid
topology_manager_policy = each.value.kubelet_config.topology_manager_policy
}
}
dynamic "linux_os_config" {
for_each = each.value.linux_os_config == null ? [] : ["linux_os_config"]
content {
swap_file_size_mb = each.value.linux_os_config.swap_file_size_mb
transparent_huge_page_defrag = each.value.linux_os_config.transparent_huge_page_defrag
transparent_huge_page_enabled = each.value.linux_os_config.transparent_huge_page_enabled
dynamic "sysctl_config" {
for_each = each.value.linux_os_config.sysctl_config == null ? [] : ["sysctl_config"]
content {
fs_aio_max_nr = each.value.linux_os_config.sysctl_config.fs_aio_max_nr
fs_file_max = each.value.linux_os_config.sysctl_config.fs_file_max
fs_inotify_max_user_watches = each.value.linux_os_config.sysctl_config.fs_inotify_max_user_watches
fs_nr_open = each.value.linux_os_config.sysctl_config.fs_nr_open
kernel_threads_max = each.value.linux_os_config.sysctl_config.kernel_threads_max
net_core_netdev_max_backlog = each.value.linux_os_config.sysctl_config.net_core_netdev_max_backlog
net_core_optmem_max = each.value.linux_os_config.sysctl_config.net_core_optmem_max
net_core_rmem_default = each.value.linux_os_config.sysctl_config.net_core_rmem_default
net_core_rmem_max = each.value.linux_os_config.sysctl_config.net_core_rmem_max
net_core_somaxconn = each.value.linux_os_config.sysctl_config.net_core_somaxconn
net_core_wmem_default = each.value.linux_os_config.sysctl_config.net_core_wmem_default
net_core_wmem_max = each.value.linux_os_config.sysctl_config.net_core_wmem_max
net_ipv4_ip_local_port_range_max = each.value.linux_os_config.sysctl_config.net_ipv4_ip_local_port_range_max
net_ipv4_ip_local_port_range_min = each.value.linux_os_config.sysctl_config.net_ipv4_ip_local_port_range_min
net_ipv4_neigh_default_gc_thresh1 = each.value.linux_os_config.sysctl_config.net_ipv4_neigh_default_gc_thresh1
net_ipv4_neigh_default_gc_thresh2 = each.value.linux_os_config.sysctl_config.net_ipv4_neigh_default_gc_thresh2
net_ipv4_neigh_default_gc_thresh3 = each.value.linux_os_config.sysctl_config.net_ipv4_neigh_default_gc_thresh3
net_ipv4_tcp_fin_timeout = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_fin_timeout
net_ipv4_tcp_keepalive_intvl = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_keepalive_intvl
net_ipv4_tcp_keepalive_probes = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_keepalive_probes
net_ipv4_tcp_keepalive_time = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_keepalive_time
net_ipv4_tcp_max_syn_backlog = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_max_syn_backlog
net_ipv4_tcp_max_tw_buckets = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_max_tw_buckets
net_ipv4_tcp_tw_reuse = each.value.linux_os_config.sysctl_config.net_ipv4_tcp_tw_reuse
net_netfilter_nf_conntrack_buckets = each.value.linux_os_config.sysctl_config.net_netfilter_nf_conntrack_buckets
net_netfilter_nf_conntrack_max = each.value.linux_os_config.sysctl_config.net_netfilter_nf_conntrack_max
vm_max_map_count = each.value.linux_os_config.sysctl_config.vm_max_map_count
vm_swappiness = each.value.linux_os_config.sysctl_config.vm_swappiness
vm_vfs_cache_pressure = each.value.linux_os_config.sysctl_config.vm_vfs_cache_pressure
}
}
}
}
dynamic "node_network_profile" {
for_each = each.value.node_network_profile == null ? [] : ["node_network_profile"]
content {
node_public_ip_tags = each.value.node_network_profile.node_public_ip_tags
}
}
dynamic "upgrade_settings" {
for_each = each.value.upgrade_settings == null ? [] : ["upgrade_settings"]
content {
max_surge = each.value.upgrade_settings.max_surge
}
}
dynamic "windows_profile" {
for_each = each.value.windows_profile == null ? [] : ["windows_profile"]
content {
outbound_nat_enabled = each.value.windows_profile.outbound_nat_enabled
}
}
depends_on = [azapi_update_resource.aks_cluster_post_create]
lifecycle {
create_before_destroy = true
ignore_changes = [
name
]
replace_triggered_by = [
null_resource.pool_name_keeper[each.key],
]
precondition {
condition = can(regex("[a-z0-9]{1,8}", each.value.name))
error_message = "A Node Pools name must consist of alphanumeric characters and have a maximum lenght of 8 characters (4 random chars added)"
}
precondition {
condition = var.network_plugin_mode != "overlay" || each.value.os_type != "Windows"
error_message = "Windows Server 2019 node pools are not supported for Overlay and Windows support is still in preview"
}
precondition {
condition = var.network_plugin_mode != "overlay" || !can(regex("^Standard_DC[0-9]+s?_v2$", each.value.vm_size))
error_message = "With with Azure CNI Overlay you can't use DCsv2-series virtual machines in node pools. "
}
precondition {
condition = var.agents_type == "VirtualMachineScaleSets"
error_message = "Multiple Node Pools are only supported when the Kubernetes Cluster is using Virtual Machine Scale Sets."
}
}
}
resource "null_resource" "pool_name_keeper" {
for_each = var.node_pools
triggers = {
pool_name = each.value.name
}
}