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USHIFT-6635: Add service account token CA bundle test #6268

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USHIFT-6635: Add service account token CA bundle test #6268

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45 changes: 45 additions & 0 deletions test/suites/standard2/validate-service-account-ca-bundle.robot
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*** Settings ***
Documentation Tests validating the service account CA bundle contents
... by checking the kube-root-ca.crt ConfigMap that gets
... automatically created in every namespace.

Resource ../../resources/common.resource
Resource ../../resources/oc.resource
Resource ../../resources/kubeconfig.resource

Suite Setup Setup Suite With Namespace
Suite Teardown Teardown Suite With Namespace

Test Tags certificates


*** Variables ***
${USHIFT_HOST} ${EMPTY}
${USHIFT_USER} ${EMPTY}
${ROOT_CA_CONFIGMAP_NAME} kube-root-ca.crt


*** Test Cases ***
Root CA ConfigMap Contains All Signers
[Documentation] Verify that the kube-root-ca.crt ConfigMap contains certificates
... from all required signers: kube-apiserver-localhost-signer,
... kube-apiserver-service-network-signer, and kube-apiserver-external-signer
${configmap}= Oc Get configmap ${NAMESPACE} ${ROOT_CA_CONFIGMAP_NAME}
VAR ${ca_bundle}= ${configmap.data['ca.crt']}
Should Not Be Empty ${ca_bundle}

${subjects}= Get Certificate Subjects From Bundle ${ca_bundle}
Should Contain ${subjects} kube-apiserver-localhost-signer
Should Contain ${subjects} kube-apiserver-service-network-signer
Should Contain ${subjects} kube-apiserver-external-signer


*** Keywords ***
Get Certificate Subjects From Bundle
[Documentation] Extract all certificate subjects from a PEM-encoded CA bundle string.
... For CA certificates, the Subject field contains the signer name.
[Arguments] ${ca_bundle}
${subjects}= Run With Kubeconfig
... echo "${ca_bundle}" | openssl crl2pkcs7 -nocrl -certfile /dev/stdin 2>/dev/null | openssl pkcs7 -print_certs -text -noout 2>/dev/null | grep "Subject:"
Log CA Bundle Subjects: ${subjects}
RETURN ${subjects}