Add OVN-Kubernetes CNI Installation for IEC

[iec.git] / src / foundation / scripts / cni / ovn-kubernetes / install-ovn-k8s.sh

diff --git a/src/foundation/scripts/cni/ovn-kubernetes/install-ovn-k8s.sh b/src/foundation/scripts/cni/ovn-kubernetes/install-ovn-k8s.sh
new file mode 100755 (executable)
index 0000000..b858c96
--- /dev/null
+++ b/src/foundation/scripts/cni/ovn-kubernetes/install-ovn-k8s.sh
@@ -0,0 +1,46 @@
+#!/bin/bash -ex
+# shellcheck disable=SC2016
+
+SCRIPTS_DIR=$(dirname "${BASH_SOURCE[0]}")
+
+function wait_for {
+  # Execute in a subshell to prevent local variable override during recursion
+  (
+    local total_attempts=$1; shift
+    local cmdstr=$*
+    local sleep_time=2
+    echo -e "\n[wait_for] Waiting for cmd to return success: ${cmdstr}"
+    # shellcheck disable=SC2034
+    for attempt in $(seq "${total_attempts}"); do
+      echo "[wait_for] Attempt ${attempt}/${total_attempts%.*} for: ${cmdstr}"
+      # shellcheck disable=SC2015
+      eval "${cmdstr}" && echo "[wait_for] OK: ${cmdstr}" && return 0 || true
+      sleep "${sleep_time}"
+    done
+    echo "[wait_for] ERROR: Failed after max attempts: ${cmdstr}"
+    return 1
+  )
+}
+
+# Create OVN namespace, service accounts, ovnkube-db headless service, configmap, and policies
+kubectl create -f ${SCRIPTS_DIR}/yaml/ovn-setup.yaml
+wait_for 5 'test $(kubectl get svc -n ovn-kubernetes | grep ovnkube-db -c ) -eq 1'
+
+
+# Run ovnkube-db daemonset.
+kubectl create -f ${SCRIPTS_DIR}/yaml/ovnkube-db.yaml
+wait_for 60 'test $(kubectl get pods -n ovn-kubernetes | grep -e "ovnkube-db" | grep "Running" -c) -eq 1'
+
+
+# Run ovnkube-master daemonset.
+kubectl create -f ${SCRIPTS_DIR}/yaml/ovnkube-master.yaml
+wait_for 60 'test $(kubectl get pods -n ovn-kubernetes | grep -e "ovnkube-master" | grep "Running" -c) -eq 1'
+
+
+# Run ovnkube daemonsets for nodes, maybe more than 1 ovnkube-node pods since there would be 1 ovnkube-node
+# pod on each K8s node
+kubectl create -f ${SCRIPTS_DIR}/yaml/ovnkube-node.yaml
+wait_for 60 'test $(kubectl get pods -n ovn-kubernetes | grep -e "ovnkube-node" | grep "Running" -c) -ge 1'
+
+
+#kubectl get pods -n ovn-kubernetes