allow to set the kubernetes log level

allow to configure the verbosity of the logs on the kubernetes components. Change-Id: I338c81814c7bbd8a08ede039157f7b153ff42ba7
kubernetes-sigs · Oct 27, 2024 · 867ec2d · 867ec2d
1 parent e451109
commit 867ec2d
Show file tree

Hide file tree

Showing 4 changed files with 10 additions and 0 deletions.
diff --git a/kubetest2-ec2/config/kubeadm-init.yaml b/kubetest2-ec2/config/kubeadm-init.yaml
@@ -20,6 +20,7 @@ nodeRegistration:
     runtime-cgroups: /runtime.slice
     kubelet-cgroups: /runtime.slice
     cgroup-root: /
+    v: {{KUBE_LOG_LEVEL}}
 ---
 apiVersion: kubeadm.k8s.io/v1beta3
 kind: ClusterConfiguration
@@ -29,14 +30,17 @@ apiServer:
     cloud-provider: {{EXTERNAL_CLOUD_PROVIDER}}
     feature-gates: {{FEATURE_GATES}}
     runtime-config: {{RUNTIME_CONFIG}}
+    v: {{KUBE_LOG_LEVEL}}
   certSANs:
   - {{EXTRA_SANS}}
 controllerManager:
   extraArgs:
     cloud-provider: {{EXTERNAL_CLOUD_PROVIDER}}
     feature-gates: {{FEATURE_GATES}}
+    v: {{KUBE_LOG_LEVEL}}
 scheduler:
   extraArgs:
     feature-gates: {{FEATURE_GATES}}
+    v: {{KUBE_LOG_LEVEL}}
 networking:
   podSubnet: {{POD_CIDR}}
diff --git a/kubetest2-ec2/config/kubeadm-join.yaml b/kubetest2-ec2/config/kubeadm-join.yaml
@@ -21,3 +21,4 @@ nodeRegistration:
     runtime-cgroups: /runtime.slice
     kubelet-cgroups: /runtime.slice
     cgroup-root: /
+    v: {{KUBE_LOG_LEVEL}}
diff --git a/kubetest2-ec2/config/run-kubeadm.sh b/kubetest2-ec2/config/run-kubeadm.sh
@@ -109,6 +109,9 @@ if [[ ${KUBEADM_CONTROL_PLANE} == true ]]; then
   KUBERNETES_VERSION=$(kubelet --version | awk '{print $2}')
   sed -i "s|{{KUBERNETES_VERSION}}|$KUBERNETES_VERSION|g" /etc/kubernetes/kubeadm-init.yaml
   sed -i "s|{{POD_CIDR}}|$POD_CIDR|g" /etc/kubernetes/kubeadm-init.yaml
+  KUBE_LOG_LEVEL=${KUBE_LOG_LEVEL:-4}
+  sed -i "s|{{KUBE_LOG_LEVEL}}|$KUBE_LOG_LEVEL|g" /etc/kubernetes/kubeadm-init.yaml
+  sed -i "s|{{KUBE_LOG_LEVEL}}|$KUBE_LOG_LEVEL|g" /etc/kubernetes/kubeadm-join.yaml
 
   kubeadm init \
    --v 10 \

diff --git a/kubetest2-ec2/config/run-post-install.sh b/kubetest2-ec2/config/run-post-install.sh
@@ -31,6 +31,8 @@ if [[ "${KUBEADM_CONTROL_PLANE}" == true ]]; then
     kubectl --kubeconfig /etc/kubernetes/admin.conf apply -k "github.com/kubernetes-sigs/aws-ebs-csi-driver/deploy/kubernetes/overlays/stable/?ref=release-1.32"
     kubectl --kubeconfig /etc/kubernetes/admin.conf wait --for=condition=Available --timeout=2m -n kube-system deployments ebs-csi-controller
   else
+    KUBE_LOG_LEVEL=${KUBE_LOG_LEVEL:-4}
+    kubectl patch -n kube-system daemonset/kube-proxy --type='json' -p='[{"op": "add", "path": "/spec/template/spec/containers/0/command/-", "value": "--v='${KUBE_LOG_LEVEL}'" }]'
     kubectl --kubeconfig /etc/kubernetes/admin.conf apply -f "https://raw.githubusercontent.com/aojea/kindnet/main/install-kindnet.yaml"
     kubectl --kubeconfig /etc/kubernetes/admin.conf rollout status daemonset kindnet -n kube-system --timeout=5m
   fi