agent: Allow users to build without guest-pull

For those not interested in CoCo, let's at least allow them to easily
build the agent without the guest-pull feature.

This reduces the binary size (already stripped) from 25M to 18M.

Signed-off-by: Fabiano Fidêncio <fabiano@fidencio.org>

src/agent/Cargo.toml

@@ -99,8 +99,8 @@ members = ["rustjail", "policy"]
 lto = true
 
 [features]
-# The default-pull feature would support all pull types, including sharing images by virtio-fs and pulling images in the guest
-default-pull = ["guest-pull"]
+# The default-pull feature supports all sharing images by virtio-fs, for guest-pull build with the guest-pull feature
+default-pull = []
 seccomp = ["rustjail/seccomp"]
 standard-oci-runtime = ["rustjail/standard-oci-runtime"]
 agent-policy = [ "kata-agent-policy" ]

tools/packaging/kata-deploy/local-build/kata-deploy-binaries-in-docker.sh

@@ -100,7 +100,7 @@ TOOLS_CONTAINER_BUILDER="${TOOLS_CONTAINER_BUILDER:-}"
 VIRTIOFSD_CONTAINER_BUILDER="${VIRTIOFSD_CONTAINER_BUILDER:-}"
 AGENT_INIT="${AGENT_INIT:-no}"
 MEASURED_ROOTFS="${MEASURED_ROOTFS:-}"
-PULL_TYPE="${PULL_TYPE:-default}"
+PULL_TYPE="${PULL_TYPE:-guest-pull}"
 USE_CACHE="${USE_CACHE:-}"
 BUSYBOX_CONF_FILE=${BUSYBOX_CONF_FILE:-}
 NVIDIA_GPU_STACK="${NVIDIA_GPU_STACK:-}"

tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh

@@ -43,7 +43,7 @@ readonly se_image_builder="${repo_root_dir}/tools/packaging/guest-image/build_se
 ARCH=${ARCH:-$(uname -m)}
 BUSYBOX_CONF_FILE="${BUSYBOX_CONF_FILE:-}"
 MEASURED_ROOTFS=${MEASURED_ROOTFS:-no}
-PULL_TYPE=${PULL_TYPE:-default}
+PULL_TYPE=${PULL_TYPE:-guest-pull}
 USE_CACHE="${USE_CACHE:-"yes"}"
 ARTEFACT_REGISTRY="${ARTEFACT_REGISTRY:-ghcr.io}"
 ARTEFACT_REPOSITORY="${ARTEFACT_REPOSITORY:-kata-containers}"