test: workaround the failed error

Add workaround to fix error
```
content: error: Installing to filesystem: Gathering source info from container env: Subprocess failed: ExitStatus(unix_wait_status(256))
content: error: readdir: Too many open files
```

Signed-off-by: Huijing Hei <hhei@redhat.com>

Author: HuijingHei

.github/workflows/ci.yml

@@ -205,11 +205,15 @@ jobs:
           else
             just test-tmt integration
           fi
+          just clean-local-images
+
       - name: Run TMT test about bootc install on coreos
         run: |
           # Only test fedora-43 on fedora-coreos:testing-devel
           if [ "${{ matrix.test_os }}" = "fedora-43" ] && [ "${{ matrix.variant }}" = "ostree" ]; then
+            just build-testimage-coreos target/packages
             just test-tmt-on-coreos plan-bootc-install-on-coreos
+            just clean-local-images
           else
             echo "skipped"
           fi

Justfile

@@ -164,12 +164,16 @@ _build-upgrade-image:
 test-tmt-nobuild *ARGS:
     cargo xtask run-tmt --env=BOOTC_variant={{variant}} --upgrade-image={{integration_upgrade_img}} {{integration_img}} {{ARGS}}
 
-# Test bootc install on coreos (FCOS)
-# Assume the localhost/bootc-integration image is up to date, and just run tests.
-# BOOTC_target is the bootc-integration, that will be used for bootc install
+# Build test container image for testing on coreos
+# without configs and no curl container image
+build-testimage-coreos PATH:
+    @just build-from-package {{PATH}}
+    cd hack && podman build {{base_buildargs}} --build-arg SKIP_CONFIGS=1 -t {{integration_img}}-coreos -f Containerfile .
+
+# Just run test bootc install on coreos (FCOS)
+# BOOTC_target is the bootc-integration-coreos, that will be used for bootc install
 test-tmt-on-coreos *ARGS:
-    @if ! podman image exists {{integration_img}}; then just build-integration-test-image; fi
-    cargo xtask run-tmt --env=BOOTC_variant={{variant}} --env=BOOTC_target={{integration_img}}:latest {{fedora-coreos}} {{ARGS}}
+    cargo xtask run-tmt --env=BOOTC_variant={{variant}} --env=BOOTC_target={{integration_img}}-coreos:latest {{fedora-coreos}} {{ARGS}}
 
 # Cleanup all test VMs created by tmt tests
 tmt-vm-cleanup:
@@ -185,6 +189,7 @@ test-container: build-units build-integration-test-image
 clean-local-images:
     podman images --filter "label={{testimage_label}}"
     podman images --filter "label={{testimage_label}}" --format "{{{{.ID}}" | xargs -r podman rmi -f
+    podman image prune -f
     podman rmi {{fedora-coreos}} -f
 
 # Print the container image reference for a given short $ID-VERSION_ID for NAME

crates/xtask/src/tmt.rs

@@ -321,6 +321,14 @@ pub(crate) fn run_tmt(sh: &Shell, args: &RunTmtArgs) -> Result<()> {
         .run()
         .with_context(|| format!("Copying tmt files to {}", workdir))?;
 
+    // Workaround for https://github.com/bootc-dev/bcvk/issues/174
+    // Save the container image to tar, this will be synced to tested OS
+    if variant_id == "coreos" {
+        cmd!(sh, "podman save -q -o {workdir}/tmt/tests/bootc.tar localhost/bootc-integration-coreos:latest")
+            .run()
+            .with_context(|| format!("Saving container image to tar"))?;
+    }
+
     // Change to workdir for running tmt commands
     let _dir = sh.push_dir(workdir);
 
@@ -414,14 +422,10 @@ pub(crate) fn run_tmt(sh: &Shell, args: &RunTmtArgs) -> Result<()> {
                 );
             }
             // Add --filesystem=xfs by default on fedora-coreos
-            // Add --bind-storage-ro if supported
             if variant_id == "coreos" {
                 if distro.starts_with("fedora") {
                     opts.push("--filesystem=xfs".to_string());
                 }
-                if supports_bind_storage_ro {
-                    opts.push(BCVK_OPT_BIND_STORAGE_RO.to_string());
-                }
             }
             opts
         };
@@ -441,7 +445,6 @@ pub(crate) fn run_tmt(sh: &Shell, args: &RunTmtArgs) -> Result<()> {
             test_results.push((plan.to_string(), false, None));
             continue;
         }
-
         // Ensure VM cleanup happens even on error (unless --preserve-vm is set)
         let cleanup_vm = || {
             if preserve_vm {

hack/Containerfile

@@ -18,7 +18,14 @@ EORUN
 
 # And the configs
 FROM extended
+ARG SKIP_CONFIGS
 RUN --mount=type=bind,from=context,target=/run/context <<EORUN
+# Do not need the configs when testing installation on ostree
+echo "SKIP_CONFIGS=${SKIP_CONFIGS:-<unset>}"
+if [ -n "${SKIP_CONFIGS:-}" ]; then
+    echo "Skipping configs installation"
+    exit 0
+fi
 set -xeuo pipefail
 cd /run/context
 # For test-22-logically-bound-install

tmt/tests/examples/test-on-ostree/test-install-on-ostree.sh

@@ -26,19 +26,22 @@ if [ "$TMT_REBOOT_COUNT" -eq 0 ]; then
         echo "Should be ostree OS"
         exit 1
     fi
-    podman image exists ${BOOTC_target}
+    # workaround for https://github.com/bootc-dev/bcvk/issues/174
+    bootc_tar=bootc.tar
+    [ -f ${bootc_tar} ]
+    podman load -q -i ${bootc_tar}
+    podman image exists ${BOOTC_target} && rm -f ${bootc_tar}
+
     # Run bootc install using the same stateroot for shared /var
     stateroot=$(bootc status --json | jq -r .status.booted.ostree.stateroot)
-
-    # Need bind mount for /run/host-container-storage
-    podman run --rm --privileged \
+    podman run \
+        --rm --privileged \
         -v /dev:/dev \
-        -v /run/host-container-storage:/run/host-container-storage:ro \
         -v /:/target \
+        -v /var/lib/containers:/var/lib/containers \
         --pid=host \
         --security-opt label=type:unconfined_t \
         ${BOOTC_target} \
-            env BOOTC_BOOTLOADER_DEBUG=1 STORAGE_OPTS=additionalimagestore=/run/host-container-storage \
             bootc install to-existing-root \
             --stateroot=${stateroot} \
             --skip-fetch-check \