Update all glog flags to log-level.

Signed-off-by: Lantao Liu <lantaol@google.com>

README.md

@@ -107,7 +107,7 @@ sudo containerd
 ```
 2. Start `cri-containerd` as root in a second terminal:
 ```bash
-sudo cri-containerd -v 2 --alsologtostderr
+sudo cri-containerd
 ```
 3. From the Kubernetes project directory startup a local cluster using `cri-containerd`:
 ```bash

cluster/gce/cloud-init/master.yaml

@@ -82,7 +82,7 @@ write_files:
       # cri-containerd on master uses the cni binary and config in the
       # release tarball.
       ExecStart=/home/cri-containerd/usr/local/bin/cri-containerd \
-        --logtostderr --v=4 \
+        --log-level=debug \
         --network-bin-dir=/home/cri-containerd/opt/cni/bin \
         --network-conf-dir=/home/cri-containerd/etc/cni/net.d
 

cluster/gce/cloud-init/node.yaml

@@ -85,7 +85,7 @@ write_files:
       # Point to /home/kubernetes/bin where calico setup cni binary in kube-up.sh.
       # Point to /etc/cni/net.d where calico put cni config in kube-up.sh.
       ExecStart=/home/cri-containerd/usr/local/bin/cri-containerd \
-        --logtostderr --v=4 \
+        --log-level=debug \
         --network-bin-dir=/home/kubernetes/bin \
         --network-conf-dir=/etc/cni/net.d
 

contrib/systemd-units/cri-containerd.service

@@ -11,7 +11,7 @@ LimitNOFILE=1048576
 # in the kernel. We recommend using cgroups to do container-local accounting.
 LimitNPROC=infinity
 LimitCORE=infinity
-ExecStart=/usr/local/bin/cri-containerd --logtostderr
+ExecStart=/usr/local/bin/cri-containerd
 
 [Install]
 WantedBy=multi-user.target

hack/test-utils.sh

@@ -51,7 +51,7 @@ test_setup() {
 
   # Start cri-containerd
   if ${STANDALONE_CRI_CONTAINERD}; then
-    keepalive "sudo ${ROOT}/_output/cri-containerd --alsologtostderr --v 4 ${CRI_CONTAINERD_FLAGS}" \
+    keepalive "sudo ${ROOT}/_output/cri-containerd --log-level=debug ${CRI_CONTAINERD_FLAGS}" \
       ${RESTART_WAIT_PERIOD} &> ${report_dir}/cri-containerd.log &
     cri_containerd_pid=$!
   fi

test/e2e_node/init.yaml

@@ -79,7 +79,7 @@ write_files:
       LimitNPROC=infinity
       LimitCORE=infinity
       ExecStart=/home/cri-containerd/usr/local/bin/cri-containerd \
-        --logtostderr --v=4 \
+        --log-level=debug \
         --network-bin-dir=/home/cri-containerd/opt/cni/bin \
         --network-conf-dir=/home/cri-containerd/etc/cni/net.d