Ability to override versions of containerd/runc

Author: dims

cluster/gce/config-default.sh

@@ -101,6 +101,13 @@ if [[ "${CONTAINER_RUNTIME}" == "containerd" ]]; then
   LOAD_IMAGE_COMMAND=${KUBE_LOAD_IMAGE_COMMAND:-ctr -n=k8s.io images import}
 fi
 
+# Ability to inject custom versions (Ubuntu OS images ONLY)
+# if KUBE_UBUNTU_INSTALL_CONTAINERD_VERSION or KUBE_UBUNTU_INSTALL_RUNC_VERSION
+# is set to empty then we do not override the version(s) and just
+# use whatever is in the default installation of containerd package
+UBUNTU_INSTALL_CONTAINERD_VERSION=${KUBE_UBUNTU_INSTALL_CONTAINERD_VERSION:-}
+UBUNTU_INSTALL_RUNC_VERSION=${KUBE_UBUNTU_INSTALL_RUNC_VERSION:-}
+
 # MASTER_EXTRA_METADATA is the extra instance metadata on master instance separated by commas.
 MASTER_EXTRA_METADATA=${KUBE_MASTER_EXTRA_METADATA:-${KUBE_EXTRA_METADATA:-}}
 # MASTER_EXTRA_METADATA is the extra instance metadata on node instance separated by commas.

cluster/gce/config-test.sh

@@ -107,6 +107,13 @@ if [[ "${CONTAINER_RUNTIME}" == "containerd" ]]; then
   LOAD_IMAGE_COMMAND=${KUBE_LOAD_IMAGE_COMMAND:-ctr -n=k8s.io images import}
 fi
 
+# Ability to inject custom versions (Ubuntu OS images ONLY)
+# if KUBE_UBUNTU_INSTALL_CONTAINERD_VERSION or KUBE_UBUNTU_INSTALL_RUNC_VERSION
+# is set to empty then we do not override the version(s) and just
+# use whatever is in the default installation of containerd package
+UBUNTU_INSTALL_CONTAINERD_VERSION=${KUBE_UBUNTU_INSTALL_CONTAINERD_VERSION:-}
+UBUNTU_INSTALL_RUNC_VERSION=${KUBE_UBUNTU_INSTALL_RUNC_VERSION:-}
+
 # MASTER_EXTRA_METADATA is the extra instance metadata on master instance separated by commas.
 MASTER_EXTRA_METADATA=${KUBE_MASTER_EXTRA_METADATA:-${KUBE_EXTRA_METADATA:-}}
 # MASTER_EXTRA_METADATA is the extra instance metadata on node instance separated by commas.

cluster/gce/gci/configure.sh

@@ -407,7 +407,7 @@ function load-docker-images {
 function install-docker {
   # bailout if we are not on ubuntu
   if ! command -v apt-get >/dev/null 2>&1; then
-    echo "Unable to install automatically install docker. Bailing out..."
+    echo "Unable to automatically install docker. Bailing out..."
     return
   fi
   # Install Docker deps, some of these are already installed in the image but
@@ -437,12 +437,18 @@ function install-docker {
 }
 
 # If we are on ubuntu we can try to install containerd
-function install-containerd {
+function install-containerd-ubuntu {
   # bailout if we are not on ubuntu
-  if ! command -v apt-get >/dev/null 2>&1; then
-    echo "Unable to install automatically install docker. Bailing out..."
-    return
+  if [[ -z "$(command -v lsb_release)" || $(lsb_release -si) != "Ubuntu" ]]; then
+    echo "Unable to automatically install containerd in non-ubuntu image. Bailing out..."
+    exit 2
   fi
+
+  if [[ $(dpkg --print-architecture) != "amd64" ]]; then
+    echo "Unable to automatically install containerd in non-amd64 image. Bailing out..."
+    exit 2
+  fi
+
   # Install dependencies, some of these are already installed in the image but
   # that's fine since they won't re-install and we can reuse the code below
   # for another image someday.
@@ -467,6 +473,16 @@ function install-containerd {
   apt-get update && \
     apt-get install -y --no-install-recommends containerd
   rm -rf /var/lib/apt/lists/*
+
+  # Override to latest versions of containerd and runc
+  systemctl stop containerd
+  if [[ ! -z "${UBUNTU_INSTALL_CONTAINERD_VERSION:-}" ]]; then
+    curl -fsSL "https://github.com/containerd/containerd/releases/download/${UBUNTU_INSTALL_CONTAINERD_VERSION}/containerd-${UBUNTU_INSTALL_CONTAINERD_VERSION:1}.linux-amd64.tar.gz" | tar --overwrite -xzv -C /usr/
+  fi
+  if [[ ! -z "${UBUNTU_INSTALL_RUNC_VERSION:-}" ]]; then
+    curl -fsSL "https://github.com/opencontainers/runc/releases/download/${UBUNTU_INSTALL_RUNC_VERSION}/runc.amd64" --output /usr/sbin/runc && chmod 755 /usr/sbin/runc
+  fi
+  sudo systemctl start containerd
 }
 
 function ensure-container-runtime {
@@ -481,16 +497,27 @@ function ensure-container-runtime {
     fi
     docker version
   elif [[ "${container_runtime}" == "containerd" ]]; then
-    set -x
+    # Install containerd/runc if requested
+    if [[ ! -z "${UBUNTU_INSTALL_CONTAINERD_VERSION:-}" || ! -z "${UBUNTU_INSTALL_RUNC_VERSION}" ]]; then
+      install-containerd-ubuntu
+    fi
+    # Verify presence and print versions of ctr, containerd, runc
     if ! command -v ctr >/dev/null 2>&1; then
-      install-containerd
-      if ! command -v containerd >/dev/null 2>&1; then
-        echo "ERROR containerd not found. Aborting."
-        exit 2
-      fi
+      echo "ERROR ctr not found. Aborting."
+      exit 2
     fi
     ctr --version
+
+    if ! command -v containerd >/dev/null 2>&1; then
+      echo "ERROR containerd not found. Aborting."
+      exit 2
+    fi
     containerd --version
+
+    if ! command -v runc >/dev/null 2>&1; then
+      echo "ERROR runc not found. Aborting."
+      exit 2
+    fi
     runc --version
   fi
 }

cluster/gce/util.sh

@@ -1224,6 +1224,8 @@ DISABLE_PROMETHEUS_TO_SD_IN_DS: $(yaml-quote ${DISABLE_PROMETHEUS_TO_SD_IN_DS:-f
 CONTAINER_RUNTIME: $(yaml-quote ${CONTAINER_RUNTIME:-})
 CONTAINER_RUNTIME_ENDPOINT: $(yaml-quote ${CONTAINER_RUNTIME_ENDPOINT:-})
 CONTAINER_RUNTIME_NAME: $(yaml-quote ${CONTAINER_RUNTIME_NAME:-})
+UBUNTU_INSTALL_CONTAINERD_VERSION: $(yaml-quote ${UBUNTU_INSTALL_CONTAINERD_VERSION:-})
+UBUNTU_INSTALL_RUNC_VERSION: $(yaml-quote ${UBUNTU_INSTALL_RUNC_VERSION:-})
 NODE_LOCAL_SSDS_EXT: $(yaml-quote ${NODE_LOCAL_SSDS_EXT:-})
 LOAD_IMAGE_COMMAND: $(yaml-quote ${LOAD_IMAGE_COMMAND:-})
 ZONE: $(yaml-quote ${ZONE})