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Add SETUP_KONNECTIVITY_SERVICE flag

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This commit is contained in:
Jefftree 2020-07-09 08:52:28 -07:00
parent 7820b05467
commit ed52ad3f25
4 changed files with 20 additions and 10 deletions
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7
cluster/gce/config-default.sh
View File

@ -518,12 +518,15 @@ WINDOWS_NODE_TAINTS="${WINDOWS_NODE_TAINTS:-node.kubernetes.io/os=win1809:NoSche
export GCE_PRIVATE_CLUSTER="${KUBE_GCE_PRIVATE_CLUSTER:-false}"
export GCE_PRIVATE_CLUSTER_PORTS_PER_VM="${KUBE_GCE_PRIVATE_CLUSTER_PORTS_PER_VM:-}"
# When KUBE_ENABLE_KONNECTIVITY_SERVICE is enabled, the two variables below will
# When KUBE_ENABLE_KONNECTIVITY_SERVICE is enabled, the three variables below will
# will default to true to enable the konnectivity network proxy and start the required pods.
# Their values can be overridden for more granular control of the proxy.
# Optional: Whether to do the setup for the konnectivity service
# Includes setting up kubeconfig, tokens, egress files, and firewall rules
export SETUP_KONNECTIVITY_SERVICE="${KUBE_ENABLE_KONNECTIVITY_SERVICE:-false}"
# Optional: Whether to use konnectivity network proxy for all egress from apiserver.
export EGRESS_VIA_KONNECTIVITY_SERVICE="${KUBE_ENABLE_KONNECTIVITY_SERVICE:-false}"
export EGRESS_VIA_KONNECTIVITY="${KUBE_ENABLE_KONNECTIVITY_SERVICE:-false}"
# Optional: Whether to start the konnectivity server and agent pods.
export RUN_KONNECTIVITY_SERVICE_PODS="${KUBE_ENABLE_KONNECTIVITY_SERVICE:-false}"
# Proxy Protocol Mode determines the protocol to use to communicate between apiserver and network proxy.

4
cluster/gce/gci/configure-helper.sh
View File

@ -922,7 +922,7 @@ contexts:
name: webhook
EOF
fi
if [[ "${EGRESS_VIA_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
if [[ "${SETUP_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
if [[ "${KONNECTIVITY_SERVICE_PROXY_PROTOCOL_MODE:-grpc}" == 'grpc' ]]; then
cat <<EOF >/etc/srv/kubernetes/egress_selector_configuration.yaml
apiVersion: apiserver.k8s.io/v1beta1
@ -3028,7 +3028,7 @@ function main() {
if [[ "${ENABLE_APISERVER_INSECURE_PORT:-false}" != "true" ]]; then
KUBE_BOOTSTRAP_TOKEN="$(secure_random 32)"
fi
if [[ "${EGRESS_VIA_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
if [[ "${SETUP_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
KONNECTIVITY_SERVER_TOKEN="$(secure_random 32)"
fi
if [[ "${ENABLE_MONITORING_TOKEN:-false}" == "true" ]]; then

6
cluster/gce/gci/configure-kubeapiserver.sh
View File

@ -341,17 +341,19 @@ function start-kube-apiserver {
local csc_config_volume=""
local default_konnectivity_socket_vol=""
local default_konnectivity_socket_mnt=""
if [[ "${EGRESS_VIA_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
if [[ "${SETUP_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
# Create the EgressSelectorConfiguration yaml file to control the Egress Selector.
csc_config_mount="{\"name\": \"cscconfigmount\",\"mountPath\": \"/etc/srv/kubernetes/egress_selector_configuration.yaml\", \"readOnly\": false},"
csc_config_volume="{\"name\": \"cscconfigmount\",\"hostPath\": {\"path\": \"/etc/srv/kubernetes/egress_selector_configuration.yaml\", \"type\": \"FileOrCreate\"}},"
params+=" --egress-selector-config-file=/etc/srv/kubernetes/egress_selector_configuration.yaml"
# UDS socket for communication between apiserver and konnectivity-server
local default_konnectivity_socket_path="/etc/srv/kubernetes/konnectivity-server"
default_konnectivity_socket_vol="{ \"name\": \"konnectivity-socket\", \"hostPath\": {\"path\": \"${default_konnectivity_socket_path}\", \"type\": \"DirectoryOrCreate\"}},"
default_konnectivity_socket_mnt="{ \"name\": \"konnectivity-socket\", \"mountPath\": \"${default_konnectivity_socket_path}\", \"readOnly\": false},"
fi
if [[ "${EGRESS_VIA_KONNECTIVITY:-false}" == "true" ]]; then
params+=" --egress-selector-config-file=/etc/srv/kubernetes/egress_selector_configuration.yaml"
fi
local container_env=""
if [[ -n "${ENABLE_CACHE_MUTATION_DETECTOR:-}" ]]; then

13
cluster/gce/util.sh
View File

@ -1506,14 +1506,19 @@ EOF
MAX_PODS_PER_NODE: $(yaml-quote "${MAX_PODS_PER_NODE}")
EOF
fi
if [[ "${EGRESS_VIA_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
if [[ "${SETUP_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
cat >>$file <<EOF
EGRESS_VIA_KONNECTIVITY_SERVICE: $(yaml-quote "${EGRESS_VIA_KONNECTIVITY_SERVICE}")
SETUP_KONNECTIVITY_SERVICE: $(yaml-quote "${SETUP_KONNECTIVITY_SERVICE}")
EOF
fi
if [[ "${EGRESS_VIA_KONNECTIVITY:-false}" == "true" ]]; then
cat >>$file <<EOF
EGRESS_VIA_KONNECTIVITY: $(yaml-quote "${EGRESS_VIA_KONNECTIVITY}")
EOF
fi
if [[ "${RUN_KONNECTIVITY_SERVICE_PODS:-false}" == "true" ]]; then
cat >>$file <<EOF
RUN_KONNECTIVITY_SERVICE_PODS: $(yaml-quote "${RUN_KONNECTIVITY_SERVICE_PODS}"")
RUN_KONNECTIVITY_SERVICE_PODS: $(yaml-quote "${RUN_KONNECTIVITY_SERVICE_PODS}")
EOF
fi
if [[ -n "${KONNECTIVITY_SERVICE_PROXY_PROTOCOL_MODE:-}" ]]; then
@ -2578,7 +2583,7 @@ function create-master() {
--allow tcp:443 &
echo "Configuring firewall for apiserver konnectivity server"
if [[ "${EGRESS_VIA_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
if [[ "${SETUP_KONNECTIVITY_SERVICE:-false}" == "true" ]]; then
gcloud compute firewall-rules create "${MASTER_NAME}-konnectivity-server" \
--project "${NETWORK_PROJECT}" \
--network "${NETWORK}" \