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run.bats
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run.bats
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#!/usr/bin/env bats
load helpers
@test "run" {
skip_if_no_runtime
_prefetch alpine
${OCI} --version
createrandom ${TEST_SCRATCH_DIR}/randomfile
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah mount $cid
root=$output
run_buildah config --workingdir /tmp $cid
run_buildah run $cid pwd
expect_output "/tmp"
run_buildah config --workingdir /root $cid
run_buildah run $cid pwd
expect_output "/root"
cp ${TEST_SCRATCH_DIR}/randomfile $root/tmp/
run_buildah run $cid cp /tmp/randomfile /tmp/other-randomfile
test -s $root/tmp/other-randomfile
cmp ${TEST_SCRATCH_DIR}/randomfile $root/tmp/other-randomfile
seq 100000 | buildah run $cid -- sh -c 'while read i; do echo $i; done'
}
@test "run--args" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
# This should fail, because buildah run doesn't have a -n flag.
run_buildah 125 run -n $cid echo test
# This should succeed, because buildah run stops caring at the --, which is preserved as part of the command.
run_buildah run $cid echo -- -n test
expect_output -- "-- -n test"
# This should succeed, because buildah run stops caring at the --, which is not part of the command.
run_buildah run $cid -- echo -n -- test
expect_output -- "-- test"
# This should succeed, because buildah run stops caring at the --.
run_buildah run $cid -- echo -- -n test --
expect_output -- "-- -n test --"
# This should succeed, because buildah run stops caring at the --.
run_buildah run $cid -- echo -n "test"
expect_output "test"
}
@test "run-cmd" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah config --workingdir /tmp $cid
# Configured entrypoint/cmd shouldn't modify behaviour of run with no arguments
# empty entrypoint, configured cmd, empty run arguments
run_buildah config --entrypoint "" $cid
run_buildah config --cmd pwd $cid
run_buildah 125 run $cid
expect_output --substring "command must be specified" "empty entrypoint, cmd, no args"
# empty entrypoint, configured cmd, empty run arguments, end parsing option
run_buildah config --entrypoint "" $cid
run_buildah config --cmd pwd $cid
run_buildah 125 run $cid --
expect_output --substring "command must be specified" "empty entrypoint, cmd, no args, --"
# configured entrypoint, empty cmd, empty run arguments
run_buildah config --entrypoint pwd $cid
run_buildah config --cmd "" $cid
run_buildah 125 run $cid
expect_output --substring "command must be specified" "entrypoint, empty cmd, no args"
# configured entrypoint, empty cmd, empty run arguments, end parsing option
run_buildah config --entrypoint pwd $cid
run_buildah config --cmd "" $cid
run_buildah 125 run $cid --
expect_output --substring "command must be specified" "entrypoint, empty cmd, no args, --"
# configured entrypoint only, empty run arguments
run_buildah config --entrypoint pwd $cid
run_buildah 125 run $cid
expect_output --substring "command must be specified" "entrypoint, no args"
# configured entrypoint only, empty run arguments, end parsing option
run_buildah config --entrypoint pwd $cid
run_buildah 125 run $cid --
expect_output --substring "command must be specified" "entrypoint, no args, --"
# configured cmd only, empty run arguments
run_buildah config --cmd pwd $cid
run_buildah 125 run $cid
expect_output --substring "command must be specified" "cmd, no args"
# configured cmd only, empty run arguments, end parsing option
run_buildah config --cmd pwd $cid
run_buildah 125 run $cid --
expect_output --substring "command must be specified" "cmd, no args, --"
# configured entrypoint, configured cmd, empty run arguments
run_buildah config --entrypoint "pwd" $cid
run_buildah config --cmd "whoami" $cid
run_buildah 125 run $cid
expect_output --substring "command must be specified" "entrypoint, cmd, no args"
# configured entrypoint, configured cmd, empty run arguments, end parsing option
run_buildah config --entrypoint "pwd" $cid
run_buildah config --cmd "whoami" $cid
run_buildah 125 run $cid --
expect_output --substring "command must be specified" "entrypoint, cmd, no args"
# Configured entrypoint/cmd shouldn't modify behaviour of run with argument
# Note: entrypoint and cmd can be invalid in below tests as they should never execute
# empty entrypoint, configured cmd, configured run arguments
run_buildah config --entrypoint "" $cid
run_buildah config --cmd "/invalid/cmd" $cid
run_buildah run $cid -- pwd
expect_output "/tmp" "empty entrypoint, invalid cmd, pwd"
# configured entrypoint, empty cmd, configured run arguments
run_buildah config --entrypoint "/invalid/entrypoint" $cid
run_buildah config --cmd "" $cid
run_buildah run $cid -- pwd
expect_output "/tmp" "invalid entrypoint, empty cmd, pwd"
# configured entrypoint only, configured run arguments
run_buildah config --entrypoint "/invalid/entrypoint" $cid
run_buildah run $cid -- pwd
expect_output "/tmp" "invalid entrypoint, no cmd(??), pwd"
# configured cmd only, configured run arguments
run_buildah config --cmd "/invalid/cmd" $cid
run_buildah run $cid -- pwd
expect_output "/tmp" "invalid cmd, no entrypoint(??), pwd"
# configured entrypoint, configured cmd, configured run arguments
run_buildah config --entrypoint "/invalid/entrypoint" $cid
run_buildah config --cmd "/invalid/cmd" $cid
run_buildah run $cid -- pwd
expect_output "/tmp" "invalid cmd & entrypoint, pwd"
}
# Helper for run-user test. Generates a UID or GID that is not present
# in the given idfile (mounted /etc/passwd or /etc/group)
function random_unused_id() {
local idfile=$1
while :;do
id=$RANDOM
if ! fgrep -q :$id: $idfile; then
echo $id
return
fi
done
}
function configure_and_check_user() {
local setting=$1
local expect_u=$2
local expect_g=$3
run_buildah config -u "$setting" $cid
run_buildah run -- $cid id -u
expect_output "$expect_u" "id -u ($setting)"
run_buildah run -- $cid id -g
expect_output "$expect_g" "id -g ($setting)"
}
@test "run-user" {
skip_if_no_runtime
eval $(go env)
echo CGO_ENABLED=${CGO_ENABLED}
if test "$CGO_ENABLED" -ne 1; then
skip "CGO_ENABLED = '$CGO_ENABLED'"
fi
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah mount $cid
root=$output
testuser=jimbo
testbogususer=nosuchuser
testgroup=jimbogroup
testuid=$(random_unused_id $root/etc/passwd)
testotheruid=$(random_unused_id $root/etc/passwd)
testgid=$(random_unused_id $root/etc/group)
testgroupid=$(random_unused_id $root/etc/group)
echo "$testuser:x:$testuid:$testgid:Jimbo Jenkins:/home/$testuser:/bin/sh" >> $root/etc/passwd
echo "$testgroup:x:$testgroupid:" >> $root/etc/group
configure_and_check_user "" 0 0
configure_and_check_user "${testuser}" $testuid $testgid
configure_and_check_user "${testuid}" $testuid $testgid
configure_and_check_user "${testuser}:${testgroup}" $testuid $testgroupid
configure_and_check_user "${testuid}:${testgroup}" $testuid $testgroupid
configure_and_check_user "${testotheruid}:${testgroup}" $testotheruid $testgroupid
configure_and_check_user "${testotheruid}" $testotheruid 0
configure_and_check_user "${testuser}:${testgroupid}" $testuid $testgroupid
configure_and_check_user "${testuid}:${testgroupid}" $testuid $testgroupid
run_buildah config -u ${testbogususer} $cid
run_buildah 125 run -- $cid id -u
expect_output --substring "unknown user" "id -u (bogus user)"
run_buildah 125 run -- $cid id -g
expect_output --substring "unknown user" "id -g (bogus user)"
ln -vsf /etc/passwd $root/etc/passwd
run_buildah config -u ${testuser}:${testgroup} $cid
run_buildah 125 run -- $cid id -u
echo "$output"
expect_output --substring "unknown user" "run as unknown user"
}
@test "run --env" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah config --env foo=foo $cid
# Ensure foo=foo from `buildah config`
run_buildah run $cid -- /bin/sh -c 'echo $foo'
expect_output "foo"
# Ensure foo=bar from --env override
run_buildah run --env foo=bar $cid -- /bin/sh -c 'echo $foo'
expect_output "bar"
# Ensure that the --env override did not persist
run_buildah run $cid -- /bin/sh -c 'echo $foo'
expect_output "foo"
}
@test "run --group-add" {
skip_if_no_runtime
id=$RANDOM
_prefetch alpine
run_buildah from --group-add $id --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid id -G
expect_output --substring "$id"
if is_rootless && has_supplemental_groups; then
run_buildah from --group-add keep-groups --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid id -G
expect_output --substring "65534"
fi
}
@test "run --hostname" {
skip_if_no_runtime
_prefetch alpine
${OCI} --version
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid hostname
[ "$output" != "foobar" ]
run_buildah run --hostname foobar $cid hostname
expect_output "foobar"
}
@test "run should also override /etc/hostname" {
skip_if_no_runtime
_prefetch alpine
${OCI} --version
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --hostname foobar $cid hostname
expect_output "foobar"
hostname=$output
run_buildah run --hostname foobar $cid cat /etc/hostname
expect_output $hostname
}
@test "run --volume" {
skip_if_no_runtime
zflag=
if which selinuxenabled > /dev/null 2> /dev/null ; then
if selinuxenabled ; then
zflag=z
fi
fi
${OCI} --version
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
mkdir -p ${TEST_SCRATCH_DIR}/was-empty
# As a baseline, this should succeed.
run_buildah run -v ${TEST_SCRATCH_DIR}/was-empty:/var/not-empty${zflag:+:${zflag}} $cid touch /var/not-empty/testfile
# Parsing options that with comma, this should succeed.
run_buildah run -v ${TEST_SCRATCH_DIR}/was-empty:/var/not-empty:rw,rshared${zflag:+,${zflag}} $cid touch /var/not-empty/testfile
# If we're parsing the options at all, this should be read-only, so it should fail.
run_buildah 1 run -v ${TEST_SCRATCH_DIR}/was-empty:/var/not-empty:ro${zflag:+,${zflag}} $cid touch /var/not-empty/testfile
# Even if the parent directory doesn't exist yet, this should succeed.
run_buildah run -v ${TEST_SCRATCH_DIR}/was-empty:/var/multi-level/subdirectory $cid touch /var/multi-level/subdirectory/testfile
# And check the same for file volumes.
run_buildah run -v ${TEST_SCRATCH_DIR}/was-empty/testfile:/var/different-multi-level/subdirectory/testfile $cid touch /var/different-multi-level/subdirectory/testfile
# And check the same for file volumes.
# Make sure directories show up inside of container on builtin mounts
run_buildah run -v ${TEST_SCRATCH_DIR}/was-empty:/run/secrets/testdir $cid ls -ld /run/secrets/testdir
}
@test "run overlay --volume with custom upper and workdir" {
skip_if_no_runtime
zflag=
if which selinuxenabled > /dev/null 2> /dev/null ; then
if selinuxenabled ; then
zflag=z
fi
fi
${OCI} --version
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
mkdir -p ${TEST_SCRATCH_DIR}/upperdir
mkdir -p ${TEST_SCRATCH_DIR}/workdir
mkdir -p ${TEST_SCRATCH_DIR}/lower
echo 'hello' >> ${TEST_SCRATCH_DIR}/lower/hello
# As a baseline, this should succeed.
run_buildah run -v ${TEST_SCRATCH_DIR}/lower:/test:O,upperdir=${TEST_SCRATCH_DIR}/upperdir,workdir=${TEST_SCRATCH_DIR}/workdir${zflag:+:${zflag}} $cid cat /test/hello
expect_output "hello"
run_buildah run -v ${TEST_SCRATCH_DIR}/lower:/test:O,upperdir=${TEST_SCRATCH_DIR}/upperdir,workdir=${TEST_SCRATCH_DIR}/workdir${zflag:+:${zflag}} $cid sh -c 'echo "world" > /test/world'
#upper dir should persist content
result="$(cat ${TEST_SCRATCH_DIR}/upperdir/world)"
test "$result" == "world"
}
@test "run --volume with U flag" {
skip_if_no_runtime
# Create source volume.
mkdir ${TEST_SCRATCH_DIR}/testdata
# Create the container.
_prefetch alpine
run_buildah from $WITH_POLICY_JSON alpine
ctr="$output"
# Test user can create file in the mounted volume.
run_buildah run --user 888:888 --volume ${TEST_SCRATCH_DIR}/testdata:/mnt:z,U "$ctr" touch /mnt/testfile1.txt
# Test created file has correct UID and GID ownership.
run_buildah run --user 888:888 --volume ${TEST_SCRATCH_DIR}/testdata:/mnt:z,U "$ctr" stat -c "%u:%g" /mnt/testfile1.txt
expect_output "888:888"
}
@test "run --user and verify gid in supplemental groups" {
skip_if_no_runtime
# Create the container.
_prefetch alpine
run_buildah from $WITH_POLICY_JSON alpine
ctr="$output"
# Run with uid:gid 1000:1000 and verify if gid is present in additional groups
run_buildah run --user 1000:1000 "$ctr" cat /proc/self/status
# gid 1000 must be in additional/supplemental groups
expect_output --substring "Groups: 1000 "
}
@test "run --workingdir" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid pwd
expect_output "/"
run_buildah run --workingdir /bin $cid pwd
expect_output "/bin"
# Ensure the /bin workingdir override did not persist
run_buildah run $cid pwd
expect_output "/"
}
@test "run --mount" {
skip_if_no_runtime
zflag=
if which selinuxenabled > /dev/null 2> /dev/null ; then
if selinuxenabled ; then
zflag=z
fi
fi
${OCI} --version
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
mkdir -p ${TEST_SCRATCH_DIR}/was:empty
# As a baseline, this should succeed.
run_buildah run --mount type=tmpfs,dst=/var/tmpfs-not-empty $cid touch /var/tmpfs-not-empty/testfile
run_buildah run --mount type=bind,src=${TEST_SCRATCH_DIR}/was:empty,dst=/var/not-empty,rw${zflag:+,${zflag}} $cid touch /var/not-empty/testfile
# If we're parsing the options at all, this should be read-only, so it should fail.
run_buildah 1 run --mount type=bind,src=${TEST_SCRATCH_DIR}/was:empty,dst=/var/not-empty,ro${zflag:+,${zflag}} $cid touch /var/not-empty/testfile
# Even if the parent directory doesn't exist yet, this should succeed.
run_buildah run --mount type=bind,src=${TEST_SCRATCH_DIR}/was:empty,dst=/var/multi-level/subdirectory,rw $cid touch /var/multi-level/subdirectory/testfile
# And check the same for file volumes.
run_buildah run --mount type=bind,src=${TEST_SCRATCH_DIR}/was:empty/testfile,dst=/var/different-multi-level/subdirectory/testfile,rw $cid touch /var/different-multi-level/subdirectory/testfile
}
@test "run --mount=type=bind with from like buildkit" {
skip_if_no_runtime
zflag=
if which selinuxenabled > /dev/null 2> /dev/null ; then
if selinuxenabled ; then
skip "skip if selinux enabled, since stages have different selinux label"
fi
fi
run_buildah build -t buildkitbase $WITH_POLICY_JSON -f $BUDFILES/buildkit-mount-from/Dockerfilebuildkitbase $BUDFILES/buildkit-mount-from/
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --mount type=bind,source=.,from=buildkitbase,target=/test,z $cid cat /test/hello
expect_output --substring "hello"
run_buildah rmi -f buildkitbase
}
@test "run --mount=type=cache like buildkit" {
skip_if_no_runtime
zflag=
if which selinuxenabled > /dev/null 2> /dev/null ; then
if selinuxenabled ; then
skip "skip if selinux enabled, since stages have different selinux label"
fi
fi
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --mount type=cache,target=/test,z $cid sh -c 'echo "hello" > /test/hello && cat /test/hello'
run_buildah run --mount type=cache,target=/test,z $cid cat /test/hello
expect_output --substring "hello"
}
@test "run symlinks" {
skip_if_no_runtime
${OCI} --version
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
mkdir -p ${TEST_SCRATCH_DIR}/tmp
ln -s tmp ${TEST_SCRATCH_DIR}/tmp2
export TMPDIR=${TEST_SCRATCH_DIR}/tmp2
run_buildah run $cid id
}
@test "run --cap-add/--cap-drop" {
skip_if_no_runtime
${OCI} --version
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
# Try with default caps.
run_buildah run $cid grep ^CapEff /proc/self/status
defaultcaps="$output"
# Try adding DAC_OVERRIDE.
run_buildah run --cap-add CAP_DAC_OVERRIDE $cid grep ^CapEff /proc/self/status
addedcaps="$output"
# Try dropping DAC_OVERRIDE.
run_buildah run --cap-drop CAP_DAC_OVERRIDE $cid grep ^CapEff /proc/self/status
droppedcaps="$output"
# Okay, now the "dropped" and "added" should be different.
test "$addedcaps" != "$droppedcaps"
# And one or the other should be different from the default, with the other being the same.
if test "$defaultcaps" == "$addedcaps" ; then
test "$defaultcaps" != "$droppedcaps"
fi
if test "$defaultcaps" == "$droppedcaps" ; then
test "$defaultcaps" != "$addedcaps"
fi
}
@test "Check if containers run with correct open files/processes limits" {
skip_if_rootless_environment
skip_if_no_runtime
# we need to not use the list of limits that are set in our default
# ${TEST_SOURCES}/containers.conf for the sake of other tests, and override
# any that might be picked up from system-wide configuration
echo '[containers]' > ${TEST_SCRATCH_DIR}/containers.conf
echo 'default_ulimits = []' >> ${TEST_SCRATCH_DIR}/containers.conf
export CONTAINERS_CONF=${TEST_SCRATCH_DIR}/containers.conf
_prefetch alpine
maxpids=$(cat /proc/sys/kernel/pid_max)
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid awk '/open files/{print $4}' /proc/self/limits
expect_output 1024 "limits: open files (unlimited)"
run_buildah run $cid awk '/processes/{print $3}' /proc/self/limits
expect_output ${maxpids} "limits: processes (unlimited)"
run_buildah rm $cid
run_buildah from --quiet --ulimit nofile=300:400 --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid awk '/open files/{print $4}' /proc/self/limits
expect_output "300" "limits: open files (w/file limit)"
run_buildah run $cid awk '/processes/{print $3}' /proc/self/limits
expect_output ${maxpids} "limits: processes (w/file limit)"
run_buildah rm $cid
run_buildah from --quiet --ulimit nproc=100:200 --ulimit nofile=300:400 --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid awk '/open files/{print $4}' /proc/self/limits
expect_output "300" "limits: open files (w/file & proc limits)"
run_buildah run $cid awk '/processes/{print $3}' /proc/self/limits
expect_output "100" "limits: processes (w/file & proc limits)"
unset CONTAINERS_CONF
}
@test "run-builtin-volume-omitted" {
# This image is known to include a volume, but not include the mountpoint
# in the image.
run_buildah from --quiet --pull=false $WITH_POLICY_JSON quay.io/libpod/registry:volume_omitted
cid=$output
run_buildah mount $cid
mnt=$output
# By default, the mountpoint should not be there.
run test -d "$mnt"/var/lib/registry
echo "$output"
[ "$status" -ne 0 ]
# We'll create the mountpoint for "run".
run_buildah run $cid ls -1 /var/lib
expect_output --substring "registry"
# Double-check that the mountpoint is there.
test -d "$mnt"/var/lib/registry
}
@test "run-exit-status" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah 42 run ${cid} sh -c 'exit 42'
}
@test "run-exit-status on non executable" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah 1 run ${cid} /etc
}
@test "Verify /run/.containerenv exist" {
skip_if_rootless_environment
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
# test a standard mount to /run/.containerenv
run_buildah run $cid ls -1 /run/.containerenv
expect_output --substring "/run/.containerenv"
run_buildah run $cid sh -c '. /run/.containerenv; echo $engine'
expect_output --substring "buildah"
run_buildah run $cid sh -c '. /run/.containerenv; echo $name'
expect_output "alpine-working-container"
run_buildah run $cid sh -c '. /run/.containerenv; echo $image'
expect_output --substring "alpine:latest"
rootless=0
if ["$(id -u)" -ne 0 ]; then
rootless=1
fi
run_buildah run $cid sh -c '. /run/.containerenv; echo $rootless'
expect_output ${rootless}
}
@test "run-device" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false --device /dev/fuse $WITH_POLICY_JSON alpine
cid=$output
run_buildah 0 run ${cid} ls /dev/fuse
run_buildah from --quiet --pull=false --device /dev/fuse:/dev/fuse:rm $WITH_POLICY_JSON alpine
cid=$output
run_buildah 0 run ${cid} ls /dev/fuse
run_buildah from --quiet --pull=false --device /dev/fuse:/dev/fuse:rwm $WITH_POLICY_JSON alpine
cid=$output
run_buildah 0 run ${cid} ls /dev/fuse
}
@test "run-device-Rename" {
skip_if_rootless_environment
skip_if_no_runtime
skip_if_chroot
skip_if_rootless
_prefetch alpine
run_buildah from --quiet --pull=false --device /dev/fuse:/dev/fuse1 $WITH_POLICY_JSON alpine
cid=$output
run_buildah 0 run ${cid} ls /dev/fuse1
}
@test "run check /etc/hosts" {
skip_if_rootless_environment
skip_if_no_runtime
skip_if_in_container
${OCI} --version
_prefetch debian
local hostname=h-$(random_string)
run_buildah from --quiet --pull=false $WITH_POLICY_JSON debian
cid=$output
run_buildah 125 run --network=bogus $cid cat /etc/hosts
expect_output --substring "unable to find network with name or ID bogus: network not found"
run_buildah run --hostname $hostname $cid cat /etc/hosts
expect_output --substring "(10.88.*|10.0.2.100)[[:blank:]]$hostname $cid"
ip=$(hostname -I | cut -f 1 -d " ")
expect_output --substring "$ip.*host.containers.internal"
hosts="127.0.0.5 host1
127.0.0.6 host2"
base_hosts_file="$TEST_SCRATCH_DIR/base_hosts"
echo "$hosts" > "$base_hosts_file"
containers_conf_file="$TEST_SCRATCH_DIR/containers.conf"
echo -e "[containers]\nbase_hosts_file = \"$base_hosts_file\"" > "$containers_conf_file"
CONTAINERS_CONF="$containers_conf_file" run_buildah run --hostname $hostname $cid cat /etc/hosts
expect_output --substring "127.0.0.5[[:blank:]]host1"
expect_output --substring "127.0.0.6[[:blank:]]host2"
expect_output --substring "(10.88.*|10.0.2.100)[[:blank:]]$hostname $cid"
# now check that hostname from base file is not overwritten
CONTAINERS_CONF="$containers_conf_file" run_buildah run --hostname host1 $cid cat /etc/hosts
expect_output --substring "127.0.0.5[[:blank:]]host1"
expect_output --substring "127.0.0.6[[:blank:]]host2"
expect_output --substring "(10.88.*|10.0.2.100)[[:blank:]]$cid"
assert "$output" !~ "(10.88.*|10.0.2.100)[[:blank:]]host1 $cid" "Container IP should not contain host1"
run_buildah run --network=container $cid cat /etc/hosts
m=$(buildah mount $cid)
run cat $m/etc/hosts
[ "$status" -eq 0 ]
expect_output --substring ""
run_buildah rm -a
run_buildah from --quiet --pull=false $WITH_POLICY_JSON debian
cid=$output
run_buildah run --network=host $cid cat /etc/hosts
hostOutput=$output
m=$(buildah mount $cid)
run cat $m/etc/hosts
[ "$status" -eq 0 ]
expect_output --substring ""
run_buildah run --network=host --no-hosts $cid cat /etc/hosts
[ "$output" != "$hostOutput" ]
run_buildah rm -a
run_buildah from --quiet --pull=false $WITH_POLICY_JSON debian
cid=$output
run_buildah run --network=none $cid sh -c 'echo "110.110.110.0 fake_host" >> /etc/hosts; cat /etc/hosts'
expect_output "110.110.110.0 fake_host"
m=$(buildah mount $cid)
run cat $m/etc/hosts
[ "$status" -eq 0 ]
expect_output "110.110.110.0 fake_host"
run_buildah rm -a
}
@test "run check /etc/resolv.conf" {
skip_if_rootless_environment
skip_if_no_runtime
${OCI} --version
_prefetch alpine
# Make sure to read the correct /etc/resolv.conf file in case of systemd-resolved.
resolve_file=$(readlink -f /etc/resolv.conf)
if [[ "$resolve_file" == "/run/systemd/resolve/stub-resolv.conf" ]]; then
resolve_file="/run/systemd/resolve/resolv.conf"
fi
run grep nameserver $resolve_file
# filter out 127... nameservers
run grep -v "nameserver 127." <<< "$output"
nameservers="$output"
# in case of rootless add extra slirp4netns nameserver
if is_rootless; then
nameservers="nameserver 10.0.2.3
$output"
fi
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --network=private $cid grep nameserver /etc/resolv.conf
# check that no 127... nameserver is in resolv.conf
assert "$output" !~ "^nameserver 127." "Container contains local nameserver"
assert "$nameservers" "Container nameservers match correct host nameservers"
if ! is_rootless; then
run_buildah mount $cid
assert "$output" != ""
assert "$(< $output/etc/resolv.conf)" = "" "resolv.conf is empty"
fi
run_buildah rm -a
run grep nameserver /etc/resolv.conf
nameservers="$output"
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --isolation=chroot --network=host $cid grep nameserver /etc/resolv.conf
assert "$nameservers" "Container nameservers match the host nameservers"
if ! is_rootless; then
run_buildah mount $cid
assert "$output" != ""
assert "$(< $output/etc/resolv.conf)" = "" "resolv.conf is empty"
fi
run_buildah rm -a
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah 125 run --isolation=chroot --network=none $cid sh -c 'echo "nameserver 110.110.0.110" >> /etc/resolv.conf; cat /etc/resolv.conf'
expect_output --substring "cannot set --network other than host with --isolation chroot"
run_buildah rm -a
}
@test "run --network=none and --isolation chroot must conflict" {
skip_if_no_runtime
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
# should fail by default
run_buildah 125 run --isolation=chroot --network=none $cid wget google.com
expect_output --substring "cannot set --network other than host with --isolation chroot"
}
@test "run --network should override build --network" {
skip_if_no_runtime
run_buildah from --network=none --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
# should fail by default
run_buildah 1 run $cid wget google.com
expect_output --substring "bad"
# try pinging external website
run_buildah run --network=private $cid wget google.com
expect_output --substring "index.html"
run_buildah rm -a
}
@test "run --user" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --user sync $cid whoami
expect_output "sync"
run_buildah 125 run --user noexist $cid whoami
expect_output --substring "unknown user error"
}
@test "run --runtime --runtime-flag" {
skip_if_in_container
skip_if_no_runtime
_prefetch alpine
# Use seccomp to make crun output a warning message because crun writes few logs.
cat > ${TEST_SCRATCH_DIR}/seccomp.json << _EOF
{
"defaultAction": "SCMP_ACT_ALLOW",
"syscalls": [
{
"name": "unknown",
"action": "SCMP_ACT_KILL"
}
]
}
_EOF
run_buildah from --security-opt seccomp=${TEST_SCRATCH_DIR}/seccomp.json --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
local found_runtime=
if [ -n "$(command -v runc)" ]; then
found_runtime=y
run_buildah '?' run --runtime=runc --runtime-flag=debug $cid true
if [ "$status" -eq 0 ]; then
assert "$output" != "" "Output from running 'true' with --runtime-flag=debug"
else
# runc fully supports cgroup v2 (unified mode) since v1.0.0-rc93.
# older runc doesn't work on cgroup v2.
expect_output --substring "this version of runc doesn't work on cgroups v2" "should fail by unsupportability for cgroupv2"
fi
fi
if [ -n "$(command -v crun)" ]; then
found_runtime=y
run_buildah run --runtime=crun --runtime-flag=log=${TEST_SCRATCH_DIR}/oci-log $cid true
if test \! -e ${TEST_SCRATCH_DIR}/oci-log; then
die "the expected file ${TEST_SCRATCH_DIR}/oci-log was not created"
fi
fi
if [ -z "${found_runtime}" ]; then
skip "Did not find 'runc' nor 'crun' in \$PATH - could not run this test!"
fi
}
@test "run --terminal" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --terminal=true $cid ls --color=auto
colored="$output"
run_buildah run --terminal=false $cid ls --color=auto
uncolored="$output"
[ "$colored" != "$uncolored" ]
}
@test "rootless on cgroupv2 and systemd runs under user.slice" {
skip_if_no_runtime
skip_if_cgroupsv1
skip_if_in_container
skip_if_root_environment
if test "$DBUS_SESSION_BUS_ADDRESS" = ""; then
skip "$test does not work when DBUS_SESSION_BUS_ADDRESS is not defined"
fi
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run --cgroupns=host $cid cat /proc/self/cgroup
expect_output --substring "/user.slice/"
}
@test "run-inheritable-capabilities" {
skip_if_no_runtime
_prefetch alpine
run_buildah from --quiet --pull=false $WITH_POLICY_JSON alpine
cid=$output
run_buildah run $cid grep ^CapInh: /proc/self/status
expect_output "CapInh: 0000000000000000"
run_buildah run --cap-add=ALL $cid grep ^CapInh: /proc/self/status
expect_output "CapInh: 0000000000000000"
}