From f5e6961dcb105777a1505d497f48150c3891b419 Mon Sep 17 00:00:00 2001
From: Jakob Naucke <jakob.naucke@ibm.com>
Date: Fri, 10 Dec 2021 16:44:57 +0100
Subject: [PATCH] kata-deploy: Configure Kata & containerd for CCv0

Introduce kata-cc runtime class, shim & config
- Specify cri_handler in containerd config
- Specify to use initrd
- Specify kernel_params according to guest config
- Specify service_offload

Signed-off-by: Jakob Naucke <jakob.naucke@ibm.com>
---
 .../kata-deploy/base/kata-deploy.yaml            |  2 ++
 .../packaging/kata-deploy/scripts/kata-deploy.sh | 16 +++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/tools/packaging/kata-deploy/kata-deploy/base/kata-deploy.yaml b/tools/packaging/kata-deploy/kata-deploy/base/kata-deploy.yaml
index d500b1f1f5..3e2aba3404 100644
--- a/tools/packaging/kata-deploy/kata-deploy/base/kata-deploy.yaml
+++ b/tools/packaging/kata-deploy/kata-deploy/base/kata-deploy.yaml
@@ -28,6 +28,8 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: spec.nodeName
+        - name: CONFIGURE_CC
+          value: "yes"
         securityContext:
           privileged: false
         volumeMounts:
diff --git a/tools/packaging/kata-deploy/scripts/kata-deploy.sh b/tools/packaging/kata-deploy/scripts/kata-deploy.sh
index 0d0afcece7..ca172ef166 100755
--- a/tools/packaging/kata-deploy/scripts/kata-deploy.sh
+++ b/tools/packaging/kata-deploy/scripts/kata-deploy.sh
@@ -18,6 +18,7 @@ shims=(
 	"qemu"
 	"clh"
 )
+[ "${CONFIGURE_CC:-}" == "yes" ] && shims+=("cc")
 
 # If we fail for any reason a message will be displayed
 die() {
@@ -171,7 +172,8 @@ function configure_containerd_runtime() {
 	else
 		cat <<EOT | tee -a "$containerd_conf_file"
 [$runtime_table]
-  runtime_type = "${runtime_type}"
+  runtime_type = "${runtime_type}" \
+$([ "$runtime" == "kata-cc" ] && printf '\n  cri_handler = "cc"')
   privileged_without_host_devices = true
   pod_annotations = ["io.katacontainers.*"]
 EOT
@@ -207,6 +209,17 @@ function configure_containerd() {
 	done
 }
 
+function configure_kata() {
+	if [ "${CONFIGURE_CC:-}" == "yes" ]; then
+		sed -E \
+			-e 's#^image = .+#initrd = "/opt/kata/share/kata-containers/kata-containers-initrd.img"#' \
+			-e 's#^(kernel_params = .+)"#\1 agent.config_file=/etc/kata-config.toml"#' \
+			-e 's#.*service_offload = .+#service_offload = true#' \
+			"/opt/kata/share/defaults/kata-containers/configuration-qemu.toml" > \
+			"/opt/kata/share/defaults/kata-containers/configuration-cc.toml"
+	fi
+}
+
 function remove_artifacts() {
 	echo "deleting kata artifacts"
 	rm -rf /opt/kata/
@@ -287,6 +300,7 @@ function main() {
 
 			install_artifacts
 			configure_cri_runtime "$runtime"
+			configure_kata
 			kubectl label node "$NODE_NAME" --overwrite katacontainers.io/kata-runtime=true
 			;;
 		cleanup)