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zot/test/blackbox/sync_cloud.bats
Andrei Aaron 4e5db84cb1
chore: update image-spec and dist spec to 1.1.0 (#2255)
BREAKING CHANGE: the dist spec version in the config files needs to be bumped to 1.1.0
in order for the config verification to pass without warnings.

Also fix 1 dependabot alert for helm.

Signed-off-by: Andrei Aaron <aaaron@luxoft.com>
2024-02-20 13:27:21 +02:00

571 lines
21 KiB
Bash

# Note: Intended to be run as "make run-blackbox-tests" or "make run-blackbox-ci"
# Makefile target installs & checks all necessary tooling
# Extra tools that are not covered in Makefile target needs to be added in verify_prerequisites()
load helpers_zot
load helpers_wait
function verify_prerequisites() {
if [ ! $(command -v curl) ]; then
echo "you need to install curl as a prerequisite to running the tests" >&3
return 1
fi
if [ ! $(command -v jq) ]; then
echo "you need to install jq as a prerequisite to running the tests" >&3
return 1
fi
return 0
}
function setup_file() {
export COSIGN_PASSWORD=""
export COSIGN_OCI_EXPERIMENTAL=1
export COSIGN_EXPERIMENTAL=1
# Verify prerequisites are available
if ! $(verify_prerequisites); then
exit 1
fi
# Download test data to folder common for the entire suite, not just this file
skopeo --insecure-policy copy --format=oci docker://ghcr.io/project-zot/golang:1.20 oci:${TEST_DATA_DIR}/golang:1.20
# Setup zot server
local zot_sync_per_root_dir=${BATS_FILE_TMPDIR}/zot-per
local zot_sync_ondemand_root_dir=${BATS_FILE_TMPDIR}/zot-ondemand
local zot_sync_per_config_file=${BATS_FILE_TMPDIR}/zot_sync_per_config.json
local zot_sync_ondemand_config_file=${BATS_FILE_TMPDIR}/zot_sync_ondemand_config.json
local zot_minimal_root_dir=${BATS_FILE_TMPDIR}/zot-minimal
local zot_minimal_config_file=${BATS_FILE_TMPDIR}/zot_minimal_config.json
local oci_data_dir=${BATS_FILE_TMPDIR}/oci
mkdir -p ${zot_sync_per_root_dir}
mkdir -p ${zot_sync_ondemand_root_dir}
mkdir -p ${zot_minimal_root_dir}
mkdir -p ${oci_data_dir}
zot_port1=$(get_free_port)
echo ${zot_port1} > ${BATS_FILE_TMPDIR}/zot.port1
zot_port2=$(get_free_port)
echo ${zot_port2} > ${BATS_FILE_TMPDIR}/zot.port2
zot_port3=$(get_free_port)
echo ${zot_port3} > ${BATS_FILE_TMPDIR}/zot.port3
cat >${zot_sync_per_config_file} <<EOF
{
"distSpecVersion": "1.1.0",
"storage": {
"rootDirectory": "${zot_sync_per_root_dir}",
"dedupe": false,
"remoteCache": false,
"storageDriver": {
"name": "s3",
"rootdirectory": "/zot/per",
"region": "us-east-2",
"regionendpoint": "localhost:4566",
"bucket": "zot-storage",
"secure": false,
"skipverify": true
}
},
"http": {
"address": "0.0.0.0",
"port": "${zot_port1}"
},
"log": {
"level": "debug"
},
"extensions": {
"sync": {
"downloadDir": "${zot_sync_per_root_dir}",
"registries": [
{
"urls": [
"http://localhost:${zot_port3}"
],
"onDemand": false,
"tlsVerify": false,
"PollInterval": "10s",
"content": [
{
"prefix": "**"
}
]
}
]
}
}
}
EOF
cat >${zot_sync_ondemand_config_file} <<EOF
{
"distSpecVersion": "1.1.0",
"storage": {
"rootDirectory": "${zot_sync_ondemand_root_dir}",
"dedupe": false,
"remoteCache": false,
"storageDriver": {
"name": "s3",
"rootdirectory": "/zot/ondemand",
"region": "us-east-2",
"regionendpoint": "localhost:4566",
"bucket": "zot-storage",
"secure": false,
"skipverify": true
}
},
"http": {
"address": "0.0.0.0",
"port": "${zot_port2}"
},
"log": {
"level": "debug"
},
"extensions": {
"sync": {
"downloadDir": "${zot_sync_ondemand_root_dir}",
"registries": [
{
"urls": [
"http://localhost:${zot_port3}"
],
"onDemand": true,
"tlsVerify": false,
"content": [
{
"prefix": "**"
}
]
}
]
}
}
}
EOF
cat >${zot_minimal_config_file} <<EOF
{
"distSpecVersion": "1.1.0",
"storage": {
"rootDirectory": "${zot_minimal_root_dir}"
},
"http": {
"address": "0.0.0.0",
"port": "${zot_port3}"
},
"log": {
"level": "debug"
}
}
EOF
git -C ${BATS_FILE_TMPDIR} clone https://github.com/project-zot/helm-charts.git
awslocal s3 --region "us-east-2" mb s3://zot-storage
zot_serve ${ZOT_MINIMAL_PATH} ${zot_minimal_config_file}
wait_zot_reachable ${zot_port3}
zot_serve ${ZOT_PATH} ${zot_sync_per_config_file}
wait_zot_reachable ${zot_port1}
zot_serve ${ZOT_PATH} ${zot_sync_ondemand_config_file}
wait_zot_reachable ${zot_port2}
}
function teardown_file() {
zot_stop_all
run rm -rf ${HOME}/.config/notation
awslocal s3 rb s3://"zot-storage" --force
}
# sync image
@test "sync golang image periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run skopeo --insecure-policy copy --dest-tls-verify=false \
oci:${TEST_DATA_DIR}/golang:1.20 \
docker://127.0.0.1:${zot_port3}/golang:1.20
[ "$status" -eq 0 ]
run curl http://127.0.0.1:${zot_port3}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[]') = '"golang"' ]
run curl http://127.0.0.1:${zot_port1}/v2/_catalog
run curl http://127.0.0.1:${zot_port3}/v2/golang/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"1.20"' ]
run sleep 30s
run curl http://127.0.0.1:${zot_port1}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[]') = '"golang"' ]
run curl http://127.0.0.1:${zot_port1}/v2/golang/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"1.20"' ]
}
@test "sync golang image ondemand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run skopeo --insecure-policy copy --dest-tls-verify=false \
oci:${TEST_DATA_DIR}/golang:1.20 \
docker://127.0.0.1:${zot_port3}/golang:1.20
[ "$status" -eq 0 ]
run curl http://127.0.0.1:${zot_port3}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[]') = '"golang"' ]
# sync golang on demand
run curl http://127.0.0.1:${zot_port2}/v2/golang/manifests/1.20
[ "$status" -eq 0 ]
run curl http://127.0.0.1:${zot_port3}/v2/golang/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"1.20"' ]
run curl http://127.0.0.1:${zot_port2}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[]') = '"golang"' ]
run curl http://127.0.0.1:${zot_port2}/v2/golang/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"1.20"' ]
}
# sync index
@test "sync image index periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
# --multi-arch below pushes an image index (containing many images) instead
# of an image manifest (single image)
run skopeo --insecure-policy copy --format=oci --dest-tls-verify=false --multi-arch=all \
docker://public.ecr.aws/docker/library/busybox:latest \
docker://127.0.0.1:${zot_port3}/busybox:latest
[ "$status" -eq 0 ]
run curl http://127.0.0.1:${zot_port3}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[0]') = '"busybox"' ]
run curl http://127.0.0.1:${zot_port3}/v2/busybox/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"latest"' ]
run sleep 30s
run curl http://127.0.0.1:${zot_port1}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[0]') = '"busybox"' ]
run curl http://127.0.0.1:${zot_port1}/v2/busybox/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"latest"' ]
}
@test "sync image index on demand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
# --multi-arch below pushes an image index (containing many images) instead
# of an image manifest (single image)
run skopeo --insecure-policy copy --format=oci --dest-tls-verify=false --multi-arch=all \
docker://public.ecr.aws/docker/library/busybox:latest \
docker://127.0.0.1:${zot_port3}/busybox:latest
[ "$status" -eq 0 ]
run curl http://127.0.0.1:${zot_port3}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[1]') = '"golang"' ]
run curl http://127.0.0.1:${zot_port3}/v2/busybox/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"latest"' ]
# sync busybox index on demand
run curl http://127.0.0.1:${zot_port2}/v2/busybox/manifests/latest
[ "$status" -eq 0 ]
run curl http://127.0.0.1:${zot_port2}/v2/_catalog
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.repositories[1]') = '"golang"' ]
run curl http://127.0.0.1:${zot_port2}/v2/busybox/tags/list
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.tags[]') = '"latest"' ]
}
# sign signatures
@test "sign/verify with cosign" {
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run cosign initialize
[ "$status" -eq 0 ]
run cosign generate-key-pair --output-key-prefix "${BATS_FILE_TMPDIR}/cosign-sign-sync-test"
[ "$status" -eq 0 ]
run cosign sign --key ${BATS_FILE_TMPDIR}/cosign-sign-sync-test.key localhost:${zot_port3}/golang:1.20 --yes
[ "$status" -eq 0 ]
run cosign sign --registry-referrers-mode=oci-1-1 --key ${BATS_FILE_TMPDIR}/cosign-sign-sync-test.key localhost:${zot_port3}/golang:1.20 --yes
[ "$status" -eq 0 ]
run cosign verify --key ${BATS_FILE_TMPDIR}/cosign-sign-sync-test.pub localhost:${zot_port3}/golang:1.20
[ "$status" -eq 0 ]
}
@test "sign/verify with notation" {
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run notation cert generate-test "notation-sign-sync-test"
[ "$status" -eq 0 ]
local trust_policy_file=${HOME}/.config/notation/trustpolicy.json
cat >${trust_policy_file} <<EOF
{
"version": "1.0",
"trustPolicies": [
{
"name": "notation-sign-sync-test",
"registryScopes": [ "*" ],
"signatureVerification": {
"level" : "strict"
},
"trustStores": [ "ca:notation-sign-sync-test" ],
"trustedIdentities": [
"*"
]
}
]
}
EOF
run notation sign --key "notation-sign-sync-test" --insecure-registry localhost:${zot_port3}/golang:1.20
[ "$status" -eq 0 ]
run notation verify --insecure-registry localhost:${zot_port3}/golang:1.20
[ "$status" -eq 0 ]
run notation list --insecure-registry localhost:${zot_port3}/golang:1.20
[ "$status" -eq 0 ]
}
@test "sync signatures periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
# wait for signatures to be copied
run sleep 15s
run notation verify --insecure-registry localhost:${zot_port1}/golang:1.20
[ "$status" -eq 0 ]
run cosign verify --key ${BATS_FILE_TMPDIR}/cosign-sign-sync-test.pub localhost:${zot_port1}/golang:1.20
[ "$status" -eq 0 ]
}
@test "sync signatures ondemand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
run notation verify --insecure-registry localhost:${zot_port2}/golang:1.20
[ "$status" -eq 0 ]
run cosign verify --key ${BATS_FILE_TMPDIR}/cosign-sign-sync-test.pub localhost:${zot_port2}/golang:1.20
[ "$status" -eq 0 ]
}
# sync oras artifacts
@test "push oras artifact periodically" {
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
echo "{\"name\":\"foo\",\"value\":\"bar\"}" > config.json
echo "hello world" > artifact.txt
run oras push --plain-http 127.0.0.1:${zot_port3}/hello-artifact:v2 \
--config config.json:application/vnd.acme.rocket.config.v1+json artifact.txt:text/plain -d -v
[ "$status" -eq 0 ]
rm -f artifact.txt
rm -f config.json
}
@test "sync oras artifact periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
# wait for oras artifact to be copied
run sleep 15s
run oras pull --plain-http 127.0.0.1:${zot_port1}/hello-artifact:v2 -d -v
[ "$status" -eq 0 ]
grep -q "hello world" artifact.txt
rm -f artifact.txt
}
@test "sync oras artifact on demand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
run oras pull --plain-http 127.0.0.1:${zot_port2}/hello-artifact:v2 -d -v
[ "$status" -eq 0 ]
grep -q "hello world" artifact.txt
rm -f artifact.txt
}
# sync helm chart
@test "push helm chart" {
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run helm package ${BATS_FILE_TMPDIR}/helm-charts/charts/zot -d ${BATS_FILE_TMPDIR}
[ "$status" -eq 0 ]
local chart_version=$(awk '/version/{printf $2}' ${BATS_FILE_TMPDIR}/helm-charts/charts/zot/Chart.yaml)
run helm push ${BATS_FILE_TMPDIR}/zot-${chart_version}.tgz oci://localhost:${zot_port3}/zot-chart
[ "$status" -eq 0 ]
}
@test "sync helm chart periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
# wait for helm chart to be copied
run sleep 15s
local chart_version=$(awk '/version/{printf $2}' ${BATS_FILE_TMPDIR}/helm-charts/charts/zot/Chart.yaml)
run helm pull oci://localhost:${zot_port1}/zot-chart/zot --version ${chart_version} -d ${BATS_FILE_TMPDIR}
[ "$status" -eq 0 ]
}
@test "sync helm chart on demand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
local chart_version=$(awk '/version/{printf $2}' ${BATS_FILE_TMPDIR}/helm-charts/charts/zot/Chart.yaml)
run helm pull oci://localhost:${zot_port2}/zot-chart/zot --version ${chart_version} -d ${BATS_FILE_TMPDIR}
[ "$status" -eq 0 ]
}
# sync OCI artifacts
@test "push OCI artifact (oci image mediatype) with regclient" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run regctl registry set localhost:${zot_port3} --tls disabled
run regctl registry set localhost:${zot_port1} --tls disabled
run regctl registry set localhost:${zot_port2} --tls disabled
run regctl artifact put localhost:${zot_port3}/artifact:demo <<EOF
this is an oci image artifact
EOF
[ "$status" -eq 0 ]
}
@test "sync OCI artifact (oci image mediatype) periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
# wait for helm chart to be copied
run sleep 15s
run regctl manifest get localhost:${zot_port1}/artifact:demo
[ "$status" -eq 0 ]
run regctl artifact get localhost:${zot_port1}/artifact:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "this is an oci image artifact" ]
}
@test "sync OCI artifact (oci image mediatype) on demand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
run regctl manifest get localhost:${zot_port2}/artifact:demo
[ "$status" -eq 0 ]
run regctl artifact get localhost:${zot_port2}/artifact:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "this is an oci image artifact" ]
}
@test "push OCI artifact (oci artifact mediatype) with regclient" {
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run regctl artifact put --artifact-type "application/vnd.example.icecream.v1" localhost:${zot_port3}/newartifact:demo <<EOF
this is an oci artifact
EOF
[ "$status" -eq 0 ]
}
@test "sync OCI artifact (oci artifact mediatype) periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
# wait for helm chart to be copied
run sleep 15s
run regctl manifest get localhost:${zot_port1}/newartifact:demo
[ "$status" -eq 0 ]
run regctl artifact get localhost:${zot_port1}/newartifact:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "this is an oci artifact" ]
}
@test "sync OCI artifact (oci artifact mediatype) on demand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
run regctl manifest get localhost:${zot_port2}/newartifact:demo
[ "$status" -eq 0 ]
run regctl artifact get localhost:${zot_port2}/newartifact:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "this is an oci artifact" ]
}
@test "push OCI artifact references with regclient" {
zot_port3=`cat ${BATS_FILE_TMPDIR}/zot.port3`
run regctl artifact put localhost:${zot_port3}/manifest-ref:demo <<EOF
test artifact
EOF
[ "$status" -eq 0 ]
run regctl artifact list localhost:${zot_port3}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 0 ]
run regctl artifact put --annotation demo=true --annotation format=oci --artifact-type "application/vnd.example.icecream.v1" --subject localhost:${zot_port3}/manifest-ref:demo << EOF
test reference
EOF
[ "$status" -eq 0 ]
# with artifact media-type
run regctl artifact put localhost:${zot_port3}/artifact-ref:demo <<EOF
test artifact
EOF
[ "$status" -eq 0 ]
run regctl artifact list localhost:${zot_port3}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 0 ]
run regctl artifact put --annotation demo=true --annotation format=oci --artifact-type "application/vnd.example.icecream.v1" --subject localhost:${zot_port3}/artifact-ref:demo << EOF
test reference
EOF
[ "$status" -eq 0 ]
}
@test "sync OCI artifact references periodically" {
zot_port1=`cat ${BATS_FILE_TMPDIR}/zot.port1`
# wait for OCI artifacts to be copied
run sleep 20
run regctl artifact get localhost:${zot_port1}/manifest-ref:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "test artifact" ]
run regctl artifact list localhost:${zot_port1}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/vnd.example.icecream.v1" localhost:${zot_port1}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/invalid" localhost:${zot_port1}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 0 ]
# with artifact media-type
run regctl artifact get localhost:${zot_port1}/artifact-ref:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "test artifact" ]
run regctl artifact list localhost:${zot_port1}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/vnd.example.icecream.v1" localhost:${zot_port1}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/invalid" localhost:${zot_port1}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 0 ]
}
@test "sync OCI artifact references on demand" {
zot_port2=`cat ${BATS_FILE_TMPDIR}/zot.port2`
run regctl artifact get localhost:${zot_port2}/manifest-ref:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "test artifact" ]
run regctl artifact list localhost:${zot_port2}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/vnd.example.icecream.v1" localhost:${zot_port2}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/invalid" localhost:${zot_port2}/manifest-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 0 ]
# with artifact media-type
run regctl artifact get localhost:${zot_port2}/artifact-ref:demo
[ "$status" -eq 0 ]
[ "${lines[-1]}" == "test artifact" ]
run regctl artifact list localhost:${zot_port2}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/vnd.example.icecream.v1" localhost:${zot_port2}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 1 ]
run regctl artifact list --filter-artifact-type "application/invalid" localhost:${zot_port2}/artifact-ref:demo --format raw-body
[ "$status" -eq 0 ]
[ $(echo "${lines[-1]}" | jq '.manifests | length') -eq 0 ]
}