Merge pull request #3945 from stevenhorsman/update-logging-doc

docs: Update to reflect logging changes

docs/how-to/ccv0.sh

@@ -106,7 +106,6 @@ Commands:
 - kubernetes_create_ssh_demo_pod:   Create a Kata CC runtime pod based on the ssh demo
 - kubernetes_delete_cc_pod:         Delete the Kata CC runtime busybox-based pod in Kubernetes
 - kubernetes_delete_ssh_demo_pod:   Delete the Kata CC runtime pod based on the ssh demo
-- open_kata_console:                Stream the kata runtime's console
 - open_kata_shell:                  Open a shell into the kata runtime
 - rebuild_and_install_kata:         Rebuild the kata runtime and agent and build and install the image
 - shim_pull_image:                  Run PullImage command against the shim with ctr
@@ -146,7 +145,7 @@ rebuild_and_install_kata() {
 # Based on the jenkins_job_build.sh script in kata-containers/tests/.ci - checks out source code and installs dependencies
 initialize() {
     # We need git to checkout and bootstrap the ci scripts and some other packages used in testing
-    sudo apt-get update && sudo apt-get install -y curl git socat qemu-utils
+    sudo apt-get update && sudo apt-get install -y curl git qemu-utils
     
     grep -qxF "export GOPATH=\${HOME}/go" "${PROFILE}" || echo "export GOPATH=\${HOME}/go" >> "${PROFILE}"
     grep -qxF "export GOROOT=/usr/local/go" "${PROFILE}" || echo "export GOROOT=/usr/local/go" >> "${PROFILE}"
@@ -208,8 +207,9 @@ build_and_install_kata_runtime() {
 }
 
 configure() {
-    debug_function configure_kata_to_use_rootfs
-    debug_function enable_full_debug
+    configure_kata_to_use_rootfs
+    enable_full_debug
+    enable_agent_console
 
     # Switch image offload to true in kata config
     switch_image_service_offload "on"
@@ -470,11 +470,6 @@ get_ids() {
     sandbox_id=$(ps -ef | grep qemu | egrep -o "sandbox-[^,][^,]*" | sed 's/sandbox-//g' | awk '{print $1}')
 }
 
-open_kata_console() {
-    get_ids
-    sudo -E sandbox_id=${sandbox_id} su -c 'cd /var/run/vc/vm/${sandbox_id} && socat "stdin,raw,echo=0,escape=0x11" "unix-connect:console.sock"'
-}
-
 open_kata_shell() {
     get_ids
     sudo -E "PATH=$PATH" kata-runtime exec ${sandbox_id}

docs/how-to/how-to-build-and-test-ccv0.md

@@ -216,10 +216,6 @@ Once you have a kata pod sandbox created as described above, either using
 containers architecture. This can be useful for development and debugging to isolate and test features
 that aren't broadly supported end-to-end. Here are some examples:
 
-- For debugging purposed you can optionally create a new terminal on the VM and connect to the Kata guest's console log:
-  ```bash
-  $ ~/ccv0.sh open_kata_console
-  ```
 - In the first terminal run the pull image on guest command against the Kata agent, via the shim (`containerd-shim-kata-v2`).
 This can be achieved using the [containerd](https://github.com/containerd/containerd) CLI tool, `ctr`, which can be used to
 interact with the shim directly. The command takes the form
@@ -340,10 +336,14 @@ image by running:
   $ export PULL_IMAGE="quay.io/kata-containers/confidential-containers:unsigned"
   $ ~/ccv0.sh agent_pull_image
   ```
-  - This results in an `ERROR: API failed` message from `agent_ctl` and the Kata sandbox console log shows the correct
+  - This results in an `ERROR: API failed` message from `agent_ctl` and the Kata log shows the correct
   cause that the signature we has was not valid for the unsigned image:
+  ```bash
+  $ sudo journalctl -xe -t kata --since "1 min ago" | grep "Source image rejected"
+  ```
+  contains:
   ```text
-  FATA[0001] Source image rejected: Signature for identity quay.io/kata-containers/confidential-containers:signed is not accepted
+  vmconsole="\x1b[31mFATA\x1b[0m[0002] Source image rejected: Signature for identity quay.io/kata-containers/confidential-containers:signed is not accepted "
   ```
 - To test that the signed image our *protected* test container registry is accepted we can run:
   ```bash
@@ -359,11 +359,14 @@ want to protect with the attestation agent in future) fails we can run:
   $ export PULL_IMAGE="quay.io/kata-containers/confidential-containers:other_signed"
   $ ~/ccv0.sh agent_pull_image
   ```
-  - Again this results in an `ERROR: API failed` message from `agent_ctl` and the Kata sandbox console log shows a
+  - Again this results in an `ERROR: API failed` message from `agent_ctl` and the Kata log shows a
   slightly different error:
+  ```bash
+  $ sudo journalctl -xe -t kata --since "1 min ago" | grep "Source image rejected"
+  ```
+  contains:
   ```text
-  FATA[0001] Source image rejected: Invalid GPG signature...
-
+  vmconsole="\x1b[31mFATA\x1b[0m[0002] Source image rejected: Signature for identity quay.io/kata-containers/confidential-containers:signed is not accepted "
   ```
 - To confirm that the first and third tests create the image bundles correct we can open a shell into the Kata pod with:
   ```bash
@@ -497,7 +500,6 @@ Commands:
 - crictl_delete_cc              Use crictl to delete the kata cc pod sandbox and container in it
 - kubernetes_create_cc_pod:     Create a Kata CC runtime busybox-based pod in Kubernetes
 - kubernetes_delete_cc_pod:     Delete the Kata CC runtime busybox-based pod in Kubernetes
-- open_kata_console:            Stream the kata runtime's console
 - open_kata_shell:              Open a shell into the kata runtime
 - agent_pull_image:             Run PullImage command against the agent with agent-ctl
 - shim_pull_image:              Run PullImage command against the shim with ctr