typhoon/addons/cilium/config.tf
Dalton Hubble 3412060c3c
Use Cilium kube-proxy replacement when Cilium CNI is used
* When using the Cilium component, disable bootstrapping the
kube-proxy DaemonSet. Instead, configure Cilium to provide its
kube-proxy replacement with BPF
* Update the self-managed Cilium component to use kube-proxy
replacement as well
2024-08-23 12:33:32 -07:00

197 lines
7.7 KiB
HCL

resource "kubernetes_config_map" "cilium" {
metadata {
name = "cilium"
namespace = "kube-system"
}
data = {
# Identity allocation mode selects how identities are shared between cilium
# nodes by setting how they are stored. The options are "crd" or "kvstore".
# - "crd" stores identities in kubernetes as CRDs (custom resource definition).
# These can be queried with:
# kubectl get ciliumid
# - "kvstore" stores identities in a kvstore, etcd or consul, that is
# configured below. Cilium versions before 1.6 supported only the kvstore
# backend. Upgrades from these older cilium versions should continue using
# the kvstore by commenting out the identity-allocation-mode below, or
# setting it to "kvstore".
identity-allocation-mode = "crd"
cilium-endpoint-gc-interval = "5m0s"
nodes-gc-interval = "5m0s"
# If you want to run cilium in debug mode change this value to true
debug = "false"
# The agent can be put into the following three policy enforcement modes
# default, always and never.
# https://docs.cilium.io/en/latest/policy/intro/#policy-enforcement-modes
enable-policy = "default"
# Prometheus
enable-metrics = "true"
prometheus-serve-addr = ":9962"
operator-prometheus-serve-addr = ":9963"
proxy-prometheus-port = "9964" # envoy
# Enable IPv4 addressing. If enabled, all endpoints are allocated an IPv4
# address.
enable-ipv4 = "true"
# Enable IPv6 addressing. If enabled, all endpoints are allocated an IPv6
# address.
enable-ipv6 = "false"
# Enable probing for a more efficient clock source for the BPF datapath
enable-bpf-clock-probe = "true"
# Enable use of transparent proxying mechanisms (Linux 5.7+)
enable-bpf-tproxy = "false"
# If you want cilium monitor to aggregate tracing for packets, set this level
# to "low", "medium", or "maximum". The higher the level, the less packets
# that will be seen in monitor output.
monitor-aggregation = "medium"
# The monitor aggregation interval governs the typical time between monitor
# notification events for each allowed connection.
#
# Only effective when monitor aggregation is set to "medium" or higher.
monitor-aggregation-interval = "5s"
# The monitor aggregation flags determine which TCP flags which, upon the
# first observation, cause monitor notifications to be generated.
#
# Only effective when monitor aggregation is set to "medium" or higher.
monitor-aggregation-flags = "all"
# Specifies the ratio (0.0-1.0) of total system memory to use for dynamic
# sizing of the TCP CT, non-TCP CT, NAT and policy BPF maps.
bpf-map-dynamic-size-ratio = "0.0025"
# bpf-policy-map-max specified the maximum number of entries in endpoint
# policy map (per endpoint)
bpf-policy-map-max = "16384"
# bpf-lb-map-max specifies the maximum number of entries in bpf lb service,
# backend and affinity maps.
bpf-lb-map-max = "65536"
# Pre-allocation of map entries allows per-packet latency to be reduced, at
# the expense of up-front memory allocation for the entries in the maps. The
# default value below will minimize memory usage in the default installation;
# users who are sensitive to latency may consider setting this to "true".
#
# This option was introduced in Cilium 1.4. Cilium 1.3 and earlier ignore
# this option and behave as though it is set to "true".
#
# If this value is modified, then during the next Cilium startup the restore
# of existing endpoints and tracking of ongoing connections may be disrupted.
# As a result, reply packets may be dropped and the load-balancing decisions
# for established connections may change.
#
# If this option is set to "false" during an upgrade from 1.3 or earlier to
# 1.4 or later, then it may cause one-time disruptions during the upgrade.
preallocate-bpf-maps = "false"
# Name of the cluster. Only relevant when building a mesh of clusters.
cluster-name = "default"
# Unique ID of the cluster. Must be unique across all conneted clusters and
# in the range of 1 and 255. Only relevant when building a mesh of clusters.
cluster-id = "0"
# Encapsulation mode for communication between nodes
# Possible values:
# - disabled
# - vxlan (default)
# - geneve
routing-mode = "tunnel"
tunnel = "vxlan"
# Enables L7 proxy for L7 policy enforcement and visibility
enable-l7-proxy = "true"
auto-direct-node-routes = "false"
# enableXTSocketFallback enables the fallback compatibility solution
# when the xt_socket kernel module is missing and it is needed for
# the datapath L7 redirection to work properly. See documentation
# for details on when this can be disabled:
# http://docs.cilium.io/en/latest/install/system_requirements/#admin-kernel-version.
enable-xt-socket-fallback = "true"
# installIptablesRules enables installation of iptables rules to allow for
# TPROXY (L7 proxy injection), itpables based masquerading and compatibility
# with kube-proxy. See documentation for details on when this can be
# disabled.
install-iptables-rules = "true"
# masquerade traffic leaving the node destined for outside
enable-ipv4-masquerade = "true"
enable-ipv6-masquerade = "false"
# bpfMasquerade enables masquerading with BPF instead of iptables
enable-bpf-masquerade = "true"
# kube-proxy
kube-proxy-replacement = "true"
kube-proxy-replacement-healthz-bind-address = ":10256"
enable-session-affinity = "true"
# ClusterIPs from host namespace
bpf-lb-sock = "true"
# ClusterIPs from external nodes
bpf-lb-external-clusterip = "true"
# NodePort
enable-node-port = "true"
enable-health-check-nodeport = "false"
# ExternalIPs
enable-external-ips = "true"
# HostPort
enable-host-port = "true"
# IPAM
ipam = "cluster-pool"
disable-cnp-status-updates = "true"
cluster-pool-ipv4-cidr = "${var.pod_cidr}"
cluster-pool-ipv4-mask-size = "24"
# Health
agent-health-port = "9876"
enable-health-checking = "true"
enable-endpoint-health-checking = "true"
# Identity
enable-well-known-identities = "false"
enable-remote-node-identity = "true"
# Hubble server
enable-hubble = var.enable_hubble
hubble-disable-tls = "false"
hubble-listen-address = ":4244"
hubble-socket-path = "/var/run/cilium/hubble.sock"
hubble-tls-client-ca-files = "/var/lib/cilium/tls/hubble/client-ca.crt"
hubble-tls-cert-file = "/var/lib/cilium/tls/hubble/server.crt"
hubble-tls-key-file = "/var/lib/cilium/tls/hubble/server.key"
hubble-export-file-max-backups = "5"
hubble-export-file-max-size-mb = "10"
# Hubble metrics
hubble-metrics-server = ":9965"
hubble-metrics = "dns drop tcp flow port-distribution icmp httpV2"
enable-hubble-open-metrics = "false"
# Misc
enable-bandwidth-manager = "false"
enable-local-redirect-policy = "false"
policy-audit-mode = "false"
operator-api-serve-addr = "127.0.0.1:9234"
enable-l2-neigh-discovery = "true"
enable-k8s-terminating-endpoint = "true"
enable-k8s-networkpolicy = "true"
external-envoy-proxy = "false"
write-cni-conf-when-ready = "/host/etc/cni/net.d/05-cilium.conflist"
cni-exclusive = "true"
cni-log-file = "/var/run/cilium/cilium-cni.log"
}
}