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The exec_host() simply fails on cluster with multi-nodes because
`kubectl get node -o name" will return a list o names. Moreover, it will
return control nodes names which usually don't have kata installed.
Fixes #7619
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
(cherry picked from commit 3a00fc9101
)
74 lines
2.6 KiB
Bash
74 lines
2.6 KiB
Bash
#
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# Copyright (c) 2021 Red Hat, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# This script is evoked within an OpenShift Build to product the binary image,
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# which will contain the Kata Containers installation into a given destination
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# directory.
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#
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# This contains variables and functions common to all e2e tests.
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# Variables used by the kubernetes tests
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export docker_images_nginx_version="1.15-alpine"
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export container_images_agnhost_name="k8s.gcr.io/e2e-test-images/agnhost"
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export container_images_agnhost_version="2.21"
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# Timeout options, mainly for use with waitForProcess(). Use them unless the
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# operation needs to wait longer.
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wait_time=90
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sleep_time=3
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# Timeout for use with `kubectl wait`, unless it needs to wait longer.
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# Note: try to keep timeout and wait_time equal.
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timeout=90s
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# issues that can't test yet.
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fc_limitations="https://github.com/kata-containers/documentation/issues/351"
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dragonball_limitations="https://github.com/kata-containers/kata-containers/issues/6621"
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# Path to the kubeconfig file which is used by kubectl and other tools.
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# Note: the init script sets that variable but if you want to run the tests in
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# your own provisioned cluster and you know what you are doing then you should
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# overwrite it.
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export KUBECONFIG="${KUBECONFIG:-$HOME/.kube/config}"
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get_pod_config_dir() {
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pod_config_dir="${BATS_TEST_DIRNAME}/runtimeclass_workloads_work"
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info "k8s configured to use runtimeclass"
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}
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# Return the first worker found that is kata-runtime labeled.
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get_one_kata_node() {
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local resource_name
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resource_name="$(kubectl get node -l katacontainers.io/kata-runtime=true -o name | head -1)"
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# Remove leading "/node"
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echo "${resource_name/"node/"}"
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}
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# Runs a command in the host filesystem.
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#
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# Parameters:
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# $1 - the node name
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#
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exec_host() {
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node="$1"
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# `kubectl debug` always returns 0, so we hack it to return the right exit code.
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command="${@:2}"
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command+='; echo -en \\n$?'
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# We're trailing the `\r` here due to: https://github.com/kata-containers/kata-containers/issues/8051
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# tl;dr: When testing with CRI-O we're facing the foillowing error:
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# ```
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# (from function `exec_host' in file tests_common.sh, line 51,
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# in test file k8s-file-volume.bats, line 25)
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# `exec_host "echo "$file_body" > $tmp_file"' failed with status 127
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# [bats-exec-test:38] INFO: k8s configured to use runtimeclass
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# bash: line 1: $'\r': command not found
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# ```
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output="$(kubectl debug -qit "node/${node}" --image=alpine:latest -- chroot /host bash -c "${command}" | tr -d '\r')"
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kubectl get pods -o name | grep node-debugger | xargs kubectl delete > /dev/null
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exit_code="$(echo "${output}" | tail -1)"
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echo "$(echo "${output}" | head -n -1)"
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return ${exit_code}
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}
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