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Break the CIP action tests into a sh script. #1767

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merged 1 commit into from Apr 15, 2022
Merged

Break the CIP action tests into a sh script. #1767

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158 changes: 2 additions & 156 deletions .github/workflows/kind-cluster-image-policy.yaml
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Expand Up @@ -88,163 +88,9 @@ jobs:
# Wait for the webhook to come up and become Ready
kubectl rollout status --timeout 5m --namespace cosign-system deployments/webhook

- name: Create sample image - demoimage
- name: Run Cluster Image Policy Tests
run: |
pushd $(mktemp -d)
go mod init example.com/demo
cat <<EOF > main.go
package main
import "fmt"
func main() {
fmt.Println("hello world")
}
EOF
demoimage=`ko publish -B example.com/demo`
echo "demoimage=$demoimage" >> $GITHUB_ENV
echo Created image $demoimage
popd

- name: Create sample image2 - demoimage2
run: |
pushd $(mktemp -d)
go mod init example.com/demo2
cat <<EOF > main.go
package main
import "fmt"
func main() {
fmt.Println("hello world 2")
}
EOF
demoimage2=`ko publish -B example.com/demo2`
echo "demoimage2=$demoimage2" >> $GITHUB_ENV
echo Created image $demoimage2
popd

- name: Deploy ClusterImagePolicy With Keyless Signing
run: |
kubectl apply -f ./test/testdata/cosigned/e2e/cip-keyless.yaml

- name: Sign demoimage with cosign
run: |
./cosign sign --rekor-url ${{ env.REKOR_URL }} --fulcio-url ${{ env.FULCIO_URL }} --force --allow-insecure-registry ${{ env.demoimage }} --identity-token ${{ env.OIDC_TOKEN }}

- name: Verify with cosign
run: |
SIGSTORE_TRUST_REKOR_API_PUBLIC_KEY=1 COSIGN_EXPERIMENTAL=1 ./cosign verify --rekor-url ${{ env.REKOR_URL }} --allow-insecure-registry ${{ env.demoimage }}

- name: Deploy jobs and verify signed works, unsigned fails
run: |
kubectl create namespace demo-keyless-signing
kubectl label namespace demo-keyless-signing cosigned.sigstore.dev/include=true

echo '::group:: test job success'
# We signed this above, this should work
if ! kubectl create -n demo-keyless-signing job demo --image=${{ env.demoimage }} ; then
echo Failed to create Job in namespace with matching signature!
exit 1
else
echo Succcessfully created Job with signed image
fi
echo '::endgroup:: test job success'

echo '::group:: test job rejection'
# We did not sign this, should fail
if kubectl create -n demo-keyless-signing job demo2 --image=${{ env.demoimage2 }} ; then
echo Failed to block unsigned Job creation!
exit 1
else
echo Successfully blocked Job creation with unsigned image
fi
echo '::endgroup::'

- name: Add ClusterImagePolicy with identities that match issuer and subject
run: |
kubectl apply -f ./test/testdata/cosigned/e2e/cip-keyless-with-identities.yaml
# make sure the reconciler has enough time to update the configmap
sleep 5

- name: Verify the job still works with additional constraints
run: |
echo '::group:: test job success'
# This has correct issuer/subject, so should work
if ! kubectl create -n demo-keyless-signing job demo-identities-works --image=${{ env.demoimage }} ; then
echo Failed to create Job in namespace without label!
exit 1
else
echo Succcessfully created Job with signed image
fi
echo '::endgroup:: test job success'

- name: Add ClusterImagePolicy with identities that do not match issuer and subject
run: |
kubectl apply -f ./test/testdata/cosigned/e2e/cip-keyless-with-identities-mismatch.yaml
# make sure the reconciler has enough time to update the configmap
sleep 5

- name: Verify the job now fails because subject and issuer do not match
run: |
echo '::group:: test job block'
if kubectl create -n demo-keyless-signing job demo-identities-works --image=${{ env.demoimage }} ; then
echo Failed to block Job in namespace with non matching issuer and subject!
exit 1
else
echo Succcessfully blocked Job with mismatching issuer and subject
fi
echo '::endgroup:: test job block'

- name: Remove the mismatching cip
run: |
kubectl delete cip image-policy-keyless-with-identities-mismatch
sleep 5

- name: Generate New Signing Key
run: |
COSIGN_PASSWORD="" ./cosign generate-key-pair

- name: Deploy ClusterImagePolicy With Key Signing
run: |
yq '. | .spec.authorities[0].key.data |= load_str("cosign.pub")' ./test/testdata/cosigned/e2e/cip-key.yaml | \
kubectl apply -f -

- name: Verify with two CIP, one not signed with public key
run: |
if kubectl create -n demo-key-signing job demo --image=${{ env.demoimage }}; then
echo Failed to block unsigned Job creation!
exit 1
fi

- name: Sign demoimage with cosign key
run: |
./cosign sign --key cosign.key --force --allow-insecure-registry ${{ env.demoimage }}

- name: Verify with cosign
run: |
./cosign verify --key cosign.pub --allow-insecure-registry ${{ env.demoimage }}

- name: Deploy jobs and verify signed works, unsigned fails
run: |
kubectl create namespace demo-key-signing
kubectl label namespace demo-key-signing cosigned.sigstore.dev/include=true

echo '::group:: test job success'
# We signed this above, this should work
if ! kubectl create -n demo-key-signing job demo --image=${{ env.demoimage }} ; then
echo Failed to create Job in namespace without label!
exit 1
else
echo Succcessfully created Job with signed image
fi
echo '::endgroup:: test job success'

echo '::group:: test job rejection'
# We did not sign this, should fail
if kubectl create -n demo-key-signing job demo2 --image=${{ env.demoimage2 }} ; then
echo Failed to block unsigned Job creation!
exit 1
else
echo Successfully blocked Job creation with unsigned image
fi
echo '::endgroup::'
./test/e2e_test_cluster_image_policy.sh

- name: Collect diagnostics
if: ${{ failure() }}
Expand Down
218 changes: 218 additions & 0 deletions test/e2e_test_cluster_image_policy.sh
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@@ -0,0 +1,218 @@
#!/usr/bin/env bash
#
# Copyright 2022 The Sigstore Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


set -ex

if [[ -z "${OIDC_TOKEN}" ]]; then
if [[ -z "${TOKEN_ISSUER}" ]]; then
echo "Must specify either env variable OIDC_TOKEN or TOKEN_ISSUER"
exit 1
else
export OIDC_TOKEN=`curl -s ${ISSUER_URL}`
fi
fi

if [[ -z "${KO_DOCKER_REPO}" ]]; then
echo "Must specify env variable KO_DOCKER_REPO"
exit 1
fi

if [[ -z "${FULCIO_URL}" ]]; then
echo "Must specify env variable FULCIO_URL"
exit 1
fi

if [[ -z "${REKOR_URL}" ]]; then
echo "Must specify env variable REKOR_URL"
exit 1
fi

if [[ -z "${SIGSTORE_CT_LOG_PUBLIC_KEY_FILE}" ]]; then
echo "must specify env variable SIGSTORE_CT_LOG_PUBLIC_KEY_FILE"
exit 1
fi

if [[ "${NON_REPRODUCIBLE}"=="1" ]]; then
echo "creating non-reproducible build by adding a timestamp"
export TIMESTAMP=`date +%s`
else
export TIMESTAMP="TIMESTAMP"
fi

# Trust our own custom Rekor API
export SIGSTORE_TRUST_REKOR_API_PUBLIC_KEY=1

# Publish the first test image
echo '::group:: publish test image demoimage'
pushd $(mktemp -d)
go mod init example.com/demo
cat <<EOF > main.go
package main
import "fmt"
func main() {
fmt.Println("hello world TIMESTAMP")
}
EOF

sed -i'' -e "s@TIMESTAMP@${TIMESTAMP}@g" main.go
cat main.go
export demoimage=`ko publish -B example.com/demo`
echo Created image $demoimage
popd
echo '::endgroup::'

# Publish the second test image
echo '::group:: publish test image demoimage'
pushd $(mktemp -d)
go mod init example.com/demo
cat <<EOF > main.go
package main
import "fmt"
func main() {
fmt.Println("hello world 2 TIMESTAMP")
}
EOF
sed -i'' -e "s@TIMESTAMP@${TIMESTAMP}@g" main.go
cat main.go
export demoimage2=`ko publish -B example.com/demo`
popd
echo '::endgroup::'

echo '::group:: Deploy ClusterImagePolicy with keyless signing'
kubectl apply -f ./test/testdata/cosigned/e2e/cip-keyless.yaml
echo '::endgroup::'

echo '::group:: Sign demo image'
COSIGN_EXPERIMENTAL=1 ./cosign sign --rekor-url ${REKOR_URL} --fulcio-url ${FULCIO_URL} --force --allow-insecure-registry ${demoimage} --identity-token ${OIDC_TOKEN}
echo '::endgroup::'

echo '::group:: Verify demo image'
COSIGN_EXPERIMENTAL=1 ./cosign verify --rekor-url ${REKOR_URL} --allow-insecure-registry ${demoimage}
echo '::endgroup::'

echo '::group:: Create test namespace and label for verification'
kubectl create namespace demo-keyless-signing
kubectl label namespace demo-keyless-signing cosigned.sigstore.dev/include=true
echo '::endgroup::'

echo '::group:: test job success'
# We signed this above, this should work
if ! kubectl create -n demo-keyless-signing job demo --image=${demoimage} ; then
echo Failed to create Job in namespace with matching signature!
exit 1
else
echo Succcessfully created Job with signed image
fi
echo '::endgroup::'

# We did not sign this, should fail
echo '::group:: test job rejection'
if kubectl create -n demo-keyless-signing job demo2 --image=${demoimage2} ; then
echo Failed to block unsigned Job creation!
exit 1
else
echo Successfully blocked Job creation with unsigned image
fi
echo '::endgroup::'

echo '::group:: Add cip with identities that match issuer/subject'
kubectl apply -f ./test/testdata/cosigned/e2e/cip-keyless-with-identities.yaml
# make sure the reconciler has enough time to update the configmap
sleep 5
echo '::endgroup::'

# This has correct issuer/subject, so should work
echo '::group:: test job success with identities'
if ! kubectl create -n demo-keyless-signing job demo-identities-works --image=${demoimage} ; then
echo Failed to create Job in namespace without label!
exit 1
else
echo Succcessfully created Job with signed image
fi
echo '::endgroup::'

echo '::group:: Add cip with identities that match issuer/subject'
kubectl apply -f ./test/testdata/cosigned/e2e/cip-keyless-with-identities-mismatch.yaml
# make sure the reconciler has enough time to update the configmap
sleep 5
echo '::endgroup::'

echo '::group:: test job block'
if kubectl create -n demo-keyless-signing job demo-identities-works --image=${demoimage} ; then
echo Failed to block Job in namespace with non matching issuer and subject!
exit 1
else
echo Succcessfully blocked Job with mismatching issuer and subject
fi
echo '::endgroup::'

echo '::group:: Remove mismatching cip'
kubectl delete cip image-policy-keyless-with-identities-mismatch
sleep 5
echo '::endgroup::'

echo '::group:: Generate signing key'
COSIGN_PASSWORD="" ./cosign generate-key-pair
echo '::endgroup::'

echo '::group:: Deploy ClusterImagePolicy With Key Signing'
yq '. | .spec.authorities[0].key.data |= load_str("cosign.pub")' ./test/testdata/cosigned/e2e/cip-key.yaml | kubectl apply -f -
echo '::endgroup::'

echo '::group:: Verify blocks unsigned with the key'
if kubectl create -n demo-key-signing job demo --image=${demoimage}; then
echo Failed to block unsigned Job creation!
exit 1
fi
echo '::endgroup::'

echo '::group:: Sign demoimage with cosign key'
COSIGN_PASSWORD="" ./cosign sign --key cosign.key --force --allow-insecure-registry ${demoimage}
echo '::endgroup::'

echo '::group:: Verify demoimage with cosign key'
./cosign verify --key cosign.pub --allow-insecure-registry ${demoimage}
echo '::endgroup::'

echo '::group:: Create and label new namespace for verification'
kubectl create namespace demo-key-signing
kubectl label namespace demo-key-signing cosigned.sigstore.dev/include=true

echo '::group:: test job success'
# We signed this above, this should work
if ! kubectl create -n demo-key-signing job demo --image=${demoimage} ; then
echo Failed to create Job in namespace without label!
exit 1
else
echo Succcessfully created Job with signed image
fi
echo '::endgroup:: test job success'

echo '::group:: test job rejection'
# We did not sign this, should fail
if kubectl create -n demo-key-signing job demo2 --image=${demoimage2} ; then
echo Failed to block unsigned Job creation!
exit 1
else
echo Successfully blocked Job creation with unsigned image
fi
echo '::endgroup::'

echo '::group::' Cleanup
kubectl delete cip --all
kubectl delete ns demo-key-signing demo-keyless-signing
rm cosign.key cosign.pub