113 lines
2.7 KiB
Bash
113 lines
2.7 KiB
Bash
#!/usr/bin/env bats -*- bats -*-
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#
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# tests for podman healthcheck
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#
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#
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load helpers
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# Helper function: run 'podman inspect' and check various given fields
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function _check_health {
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local testname="$1"
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local tests="$2"
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run_podman inspect --format "{{json .State.Healthcheck}}" healthcheck_c
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parse_table "$tests" | while read field expect;do
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actual=$(jq ".$field" <<<"$output")
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is "$actual" "$expect" "$testname - .State.Healthcheck.$field"
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done
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}
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@test "podman healthcheck" {
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# Create an image with a healthcheck script; said script will
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# pass until the file /uh-oh gets created (by us, via exec)
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cat >${PODMAN_TMPDIR}/healthcheck <<EOF
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#!/bin/sh
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if test -e /uh-oh; then
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echo "Uh-oh on stdout!"
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echo "Uh-oh on stderr!" >&2
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exit 1
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else
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echo "Life is Good on stdout"
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echo "Life is Good on stderr" >&2
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exit 0
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fi
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EOF
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cat >${PODMAN_TMPDIR}/entrypoint <<EOF
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#!/bin/sh
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while :; do
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sleep 1
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done
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EOF
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cat >${PODMAN_TMPDIR}/Containerfile <<EOF
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FROM $IMAGE
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COPY healthcheck /healthcheck
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COPY entrypoint /entrypoint
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RUN chmod 755 /healthcheck /entrypoint
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CMD ["/entrypoint"]
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EOF
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run_podman build -t healthcheck_i ${PODMAN_TMPDIR}
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# Run that healthcheck image.
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run_podman run -d --name healthcheck_c \
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--health-cmd /healthcheck \
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--health-interval 1s \
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--health-retries 3 \
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healthcheck_i
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# We can't check for 'starting' because a 1-second interval is too
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# short; it could run healthcheck before we get to our first check.
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#
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# So, just force a healthcheck run, then confirm that it's running.
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run_podman healthcheck run healthcheck_c
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is "$output" "" "output from 'podman healthcheck run'"
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_check_health "All healthy" "
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Status | \"healthy\"
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FailingStreak | 0
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Log[-1].ExitCode | 0
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Log[-1].Output | \"Life is Good on stdout\\\nLife is Good on stderr\"
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"
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# Force a failure
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run_podman exec healthcheck_c touch /uh-oh
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sleep 2
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_check_health "First failure" "
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Status | \"healthy\"
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FailingStreak | [123]
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Log[-1].ExitCode | 1
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Log[-1].Output | \"Uh-oh on stdout!\\\nUh-oh on stderr!\"
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"
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# After three successive failures, container should no longer be healthy
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sleep 5
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_check_health "Three or more failures" "
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Status | \"unhealthy\"
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FailingStreak | [3456]
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Log[-1].ExitCode | 1
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Log[-1].Output | \"Uh-oh on stdout!\\\nUh-oh on stderr!\"
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"
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# healthcheck should now fail, with exit status 1 and 'unhealthy' output
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run_podman 1 healthcheck run healthcheck_c
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is "$output" "unhealthy" "output from 'podman healthcheck run'"
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# Clean up
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run_podman rm -t 0 -f healthcheck_c
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run_podman rmi healthcheck_i
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}
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# vim: filetype=sh
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