Do not test CNI in CI

CNI is deprecated and is build tagged out for 5.0. Don't test it in our CI.
This commit also disables upgrade tests for now - those need more work since the old version of Podman only uses CNI. Upgrade tests will be re-vamped in a later commit.
Signed-off-by: Ashley Cui <acui@redhat.com>

.cirrus.yml

@@ -105,13 +105,11 @@ build_task:
               CTR_FQIN: ${FEDORA_CONTAINER_FQIN}
               # ID for re-use of build output
               CI_DESIRED_RUNTIME: crun
-              CI_DESIRED_NETWORK: netavark
         - env:
               DISTRO_NV: ${PRIOR_FEDORA_NAME}
               VM_IMAGE_NAME: ${PRIOR_FEDORA_CACHE_IMAGE_NAME}
               CTR_FQIN: ${PRIOR_FEDORA_CONTAINER_FQIN}
               CI_DESIRED_RUNTIME: crun
-              CI_DESIRED_NETWORK: cni
               CI_DESIRED_DATABASE: boltdb
               CI_DESIRED_STORAGE: vfs
               # Catch invalid "TMPDIR == /tmp" assumptions; PR #19281
@@ -125,7 +123,6 @@ build_task:
               DISTRO_NV: ${DEBIAN_NAME}
               VM_IMAGE_NAME: ${DEBIAN_CACHE_IMAGE_NAME}
               CI_DESIRED_RUNTIME: runc
-              CI_DESIRED_NETWORK: netavark
     env:
         TEST_FLAVOR: build
     # NOTE: The default way Cirrus-CI clones is *NOT* compatible with
@@ -186,7 +183,6 @@ build_aarch64_task:
         VM_IMAGE_NAME: ${FEDORA_AARCH64_AMI}
         CTR_FQIN: ${FEDORA_CONTAINER_FQIN}
         CI_DESIRED_RUNTIME: crun
-        CI_DESIRED_NETWORK: netavark
         TEST_FLAVOR: build
     clone_script: *full_clone
     prebuild_script: *prebuild
@@ -682,13 +678,11 @@ container_integration_test_task:
               VM_IMAGE_NAME: ${FEDORA_CACHE_IMAGE_NAME}
               CTR_FQIN: ${FEDORA_CONTAINER_FQIN}
               CI_DESIRED_RUNTIME: crun
-              CI_DESIRED_NETWORK: netavark
         - env:
               DISTRO_NV: ${PRIOR_FEDORA_NAME}
               VM_IMAGE_NAME: ${PRIOR_FEDORA_CACHE_IMAGE_NAME}
               CTR_FQIN: ${PRIOR_FEDORA_CONTAINER_FQIN}
               CI_DESIRED_RUNTIME: crun
-              CI_DESIRED_NETWORK: cni
               CI_DESIRED_DATABASE: boltdb
     gce_instance: *standardvm
     timeout_in: 50m
@@ -746,7 +740,6 @@ podman_machine_task:
       PRIV_NAME: "rootless"  # intended use-case
       DISTRO_NV: "${FEDORA_NAME}"
       VM_IMAGE_NAME: "${FEDORA_AMI}"
-      CI_DESIRED_NETWORK: netavark
     clone_script: *get_gosrc
     setup_script: *setup
     main_script: *main
@@ -772,7 +765,6 @@ podman_machine_aarch64_task:
         PRIV_NAME: "rootless"  # intended use-case
         DISTRO_NV: "${FEDORA_AARCH64_NAME}"
         VM_IMAGE_NAME: "${FEDORA_AARCH64_AMI}"
-        CI_DESIRED_NETWORK: netavark
     clone_script: *get_gosrc_aarch64
     setup_script: *setup
     main_script: *main
@@ -922,7 +914,6 @@ rootless_remote_system_test_task:
               VM_IMAGE_NAME: ${FEDORA_CACHE_IMAGE_NAME}
               CTR_FQIN: ${FEDORA_CONTAINER_FQIN}
               CI_DESIRED_RUNTIME: crun
-              CI_DESIRED_NETWORK: netavark
     <<: *local_system_test_task
     alias: rootless_remote_system_test
     gce_instance: *standardvm
@@ -1007,37 +998,6 @@ buildah_bud_test_task:
     main_script: *main
     always: *int_logs_artifacts
 
-upgrade_test_task:
-    name: "Upgrade test: from $PODMAN_UPGRADE_FROM"
-    alias: upgrade_test
-    # Docs: ./contrib/cirrus/CIModes.md
-    only_if: *not_tag_magic
-    depends_on:
-        - build
-        - local_system_test
-    matrix:
-        - env:
-              PODMAN_UPGRADE_FROM: v2.1.1
-              CI_DESIRED_NETWORK: cni
-        - env:
-              PODMAN_UPGRADE_FROM: v3.1.2
-              CI_DESIRED_NETWORK: cni
-        - env:
-              PODMAN_UPGRADE_FROM: v3.4.4
-              CI_DESIRED_NETWORK: cni
-    gce_instance: *standardvm
-    env:
-        TEST_FLAVOR: upgrade_test
-        DISTRO_NV: ${FEDORA_NAME}
-        VM_IMAGE_NAME: ${FEDORA_CACHE_IMAGE_NAME}
-        # FIXME: remove this once we have VMs with podman >= 4.8
-        CI_DESIRED_DATABASE: boltdb
-    clone_script: *get_gosrc
-    setup_script: *setup
-    main_script: *main
-    always: *logs_artifacts
-
-
 # This task is critical.  It updates the "last-used by" timestamp stored
 # in metadata for all VM images.  This mechanism functions in tandem with
 # an out-of-band pruning operation to remove disused VM images.
@@ -1111,7 +1071,6 @@ success_task:
         - minikube_test
         - farm_test
         - buildah_bud_test
-        - upgrade_test
         - meta
     container: &smallcontainer
         image: ${CTR_FQIN}

contrib/cirrus/lib.sh

@@ -95,7 +95,7 @@ EPOCH_TEST_COMMIT="$CIRRUS_BASE_SHA"
 # contexts, such as host->container or root->rootless user
 #
 # List of envariables which must be EXACT matches
-PASSTHROUGH_ENV_EXACT='CGROUP_MANAGER|DEST_BRANCH|DISTRO_NV|GOCACHE|GOPATH|GOSRC|NETWORK_BACKEND|OCI_RUNTIME|ROOTLESS_USER|SCRIPT_BASE|SKIP_USERNS|EC2_INST_TYPE|PODMAN_DB|STORAGE_FS'
+PASSTHROUGH_ENV_EXACT='CGROUP_MANAGER|DEST_BRANCH|DISTRO_NV|GOCACHE|GOPATH|GOSRC|OCI_RUNTIME|ROOTLESS_USER|SCRIPT_BASE|SKIP_USERNS|EC2_INST_TYPE|PODMAN_DB|STORAGE_FS'
 
 # List of envariable patterns which must match AT THE BEGINNING of the name.
 PASSTHROUGH_ENV_ATSTART='CI|LANG|LC_|TEST'
@@ -202,61 +202,6 @@ install_test_configs() {
     install -v -D -m 644 ./test/registries.conf /etc/containers/
 }
 
-use_cni() {
-    req_env_vars OS_RELEASE_ID PACKAGE_DOWNLOAD_DIR SCRIPT_BASE
-    # Defined by common automation library
-    # shellcheck disable=SC2154
-    if [[ "$OS_RELEASE_ID" =~ "debian" ]]; then
-        # Supporting it involves swapping the rpm & dnf commands below
-        die "Testing debian w/ CNI networking currently not supported"
-    fi
-
-    msg "Forcing NETWORK_BACKEND=cni for all subsequent environments."
-    echo "NETWORK_BACKEND=cni" >> /etc/ci_environment
-    export NETWORK_BACKEND=cni
-    # While it's possible a user may want both installed, for CNI CI testing
-    # purposes we only care about backward-compatibility, not forward.
-    # If both CNI & netavark are present, in some situations where --root
-    # is used it's possible for podman to pick the "wrong" networking stack.
-    msg "Force-removing netavark and aardvark-dns"
-    # Other packages depend on nv/av, but we're testing with podman
-    # binaries built from source, so it's safe to ignore these deps.
-    #
-    # Do not fail when netavark and aardvark-dns are not installed.
-    for pkg in aardvark-dns netavark
-    do
-        [ -z "$(rpm -qa | grep $pkg)" ] && echo "$pkg not installed" || rpm -e --nodeps $pkg
-    done
-    msg "Installing default CNI configuration"
-    showrun dnf install -y $PACKAGE_DOWNLOAD_DIR/podman-plugins*
-    cd $GOSRC || exit 1
-    rm -rvf /etc/cni/net.d
-    mkdir -p /etc/cni/net.d
-    showrun install -v -D -m 644 ./cni/87-podman-bridge.conflist \
-        /etc/cni/net.d/
-    # This config must always sort last in the list of networks (podman picks
-    # first one as the default).  This config prevents allocation of network
-    # address space used by default in google cloud.
-    # https://cloud.google.com/vpc/docs/vpc#ip-ranges
-    showrun install -v -D -m 644 $SCRIPT_BASE/99-do-not-use-google-subnets.conflist \
-        /etc/cni/net.d/
-}
-
-use_netavark() {
-    req_env_vars OS_RELEASE_ID PRIOR_FEDORA_NAME DISTRO_NV
-    local magickind repokind
-    msg "Unsetting NETWORK_BACKEND for all subsequent environments."
-    echo "export -n NETWORK_BACKEND" >> /etc/ci_environment
-    echo "unset NETWORK_BACKEND" >> /etc/ci_environment
-    export -n NETWORK_BACKEND
-    unset NETWORK_BACKEND
-    msg "Removing any/all CNI configuration"
-    showrun rm -rvf /etc/cni/net.d/*
-    # N/B: The CNI packages are still installed and available. This is
-    # on purpose, since CI needs to verify the selection mechanisms are
-    # functional when both are available.
-}
-
 # Remove all files provided by the distro version of podman.
 # All VM cache-images used for testing include the distro podman because (1) it's
 # required for podman-in-podman testing and (2) it somewhat simplifies the task

contrib/cirrus/setup_environment.sh

@@ -158,16 +158,6 @@ case "$OS_RELEASE_ID" in
     *) die_unknown OS_RELEASE_ID
 esac
 
-# Networking: force CNI or Netavark as requested in .cirrus.yml
-# (this variable is mandatory).
-# shellcheck disable=SC2154
-showrun echo "about to set up for CI_DESIRED_NETWORK [=$CI_DESIRED_NETWORK]"
-case "$CI_DESIRED_NETWORK" in
-    netavark)   use_netavark ;;
-    cni)        use_cni ;;
-    *)          die_unknown CI_DESIRED_NETWORK ;;
-esac
-
 # Database: force SQLite or BoltDB as requested in .cirrus.yml.
 # If unset, will default to SQLite.
 # shellcheck disable=SC2154

test/e2e/info_test.go

@@ -152,23 +152,15 @@ var _ = Describe("Podman Info", func() {
 	})
 
 	It("Podman info: check desired network backend", func() {
-		// defined in .cirrus.yml
-		want := os.Getenv("CI_DESIRED_NETWORK")
-		if want == "" {
-			if os.Getenv("CIRRUS_CI") == "" {
-				Skip("CI_DESIRED_NETWORK is not set--this is OK because we're not running under Cirrus")
-			}
-			Fail("CIRRUS_CI is set, but CI_DESIRED_NETWORK is not! See #16389")
-		}
 		session := podmanTest.Podman([]string{"info", "--format", "{{.Host.NetworkBackend}}"})
 		session.WaitWithDefaultTimeout()
 		Expect(session).To(ExitCleanly())
-		Expect(session.OutputToString()).To(Equal(want))
+		Expect(session.OutputToString()).To(Equal("netavark"))
 
 		session = podmanTest.Podman([]string{"info", "--format", "{{.Host.NetworkBackendInfo.Backend}}"})
 		session.WaitWithDefaultTimeout()
 		Expect(session).To(ExitCleanly())
-		Expect(session.OutputToString()).To(Equal(want))
+		Expect(session.OutputToString()).To(Equal("netavark"))
 	})
 
 	It("Podman info: check desired database backend", func() {

test/system/005-info.bats

@@ -82,21 +82,8 @@ host.slirp4netns.executable | $expr_path
 }
 
 @test "podman info - confirm desired network backend" {
-    if [[ -z "$CI_DESIRED_NETWORK" ]]; then
-        # When running in Cirrus, CI_DESIRED_NETWORK *must* be defined
-        # in .cirrus.yml so we can double-check that all CI VMs are
-        # using netavark or cni as desired.
-        if [[ -n "$CIRRUS_CI" ]]; then
-            die "CIRRUS_CI is set, but CI_DESIRED_NETWORK is not! See #16389"
-        fi
-
-        # Not running under Cirrus (e.g., gating tests, or dev laptop).
-        # Totally OK to skip this test.
-        skip "CI_DESIRED_NETWORK is unset--OK, because we're not in Cirrus"
-    fi
-
     run_podman info --format '{{.Host.NetworkBackend}}'
-    is "$output" "$CI_DESIRED_NETWORK" "CI_DESIRED_NETWORK (from .cirrus.yml)"
+    is "$output" "netavark" "netavark backend"
 }
 
 @test "podman info - confirm desired database" {

test/upgrade/test-upgrade.bats

@@ -125,10 +125,6 @@ while :;do
         echo STOPPING
         podman \$opts stop -t 0 myrunningcontainer || true
         podman \$opts rm -f     myrunningcontainer || true
-        # sigh, network rm fails with exec: "ip": executable file not found in $PATH
-        # we cannot change the images afterwards so we remove it manually (#11403)
-        # hardcode /etc/cni/net.d dir for now
-        podman \$opts network rm -f mynetwork || rm -f /etc/cni/net.d/mynetwork.conflist
         exit 0
     fi
     sleep 0.5
@@ -143,10 +139,7 @@ EOF
     # Also use --network host to prevent any netavark/cni conflicts
     $PODMAN run --rm --network host $OLD_PODMAN true
 
-    # Podman 4.0 might no longer use cni so /run/cni and /run/containers will no be created in this case
-    # Create directories manually to fix this. Also running with netavark can
-    # cause connectivity issues since cni and netavark should never be mixed.
-    mkdir -p /run/netns /run/cni /run/containers /var/lib/cni /etc/cni/net.d
+    mkdir -p /run/netns
 
     # Containers-common around release 1-55 no-longer supplies this file
     sconf=/etc/containers/storage.conf
@@ -165,7 +158,6 @@ EOF
     #
     # mount /etc/containers/storage.conf to use the same storage settings as on the host
     # mount /dev/shm because the container locks are stored there
-    # mount /var/lib/cni, /run/cni and /etc/cni/net.d for cni networking
     # mount /run/containers for the dnsname plugin
     #
     $PODMAN run -d --name podman_parent --pid=host \
@@ -178,9 +170,6 @@ EOF
             -v /run/crun:/run/crun \
             -v /run/netns:/run/netns:rshared \
             -v /run/containers:/run/containers \
-            -v /run/cni:/run/cni \
-            -v /var/lib/cni:/var/lib/cni \
-            -v /etc/cni/net.d:/etc/cni/net.d \
             -v /dev/shm:/dev/shm \
             -v $pmroot:$pmroot:rshared \
             $OLD_PODMAN $pmroot/setup
@@ -200,10 +189,8 @@ EOF
 }
 
 @test "info" {
-    # check network backend, since this is an old version we should use CNI
-    # when we start testing from 4.0 we should have netavark as backend
     run_podman info --format '{{.Host.NetworkBackend}}'
-    is "$output" "cni" "correct network backend"
+    is "$output" "netavark" "correct network backend"
 }
 
 @test "images" {