mirror of
https://github.com/k3s-io/kubernetes.git
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This corresponds to previous work to allow impersonating UIDs: * Introduce Impersonate-UID header: #99961 * Add UID to client-go impersonation config #104483 Signed-off-by: Margo Crawford <margaretc@vmware.com>
301 lines
13 KiB
Bash
Executable File
301 lines
13 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2018 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit
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set -o nounset
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set -o pipefail
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run_kubectl_config_set_tests() {
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set -o nounset
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set -o errexit
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create_and_use_new_namespace
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kube::log::status "Testing kubectl(v1:config set)"
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kubectl config set-cluster test-cluster --server="https://does-not-work"
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# Get the api cert and add a comment to avoid flag parsing problems
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cert_data=$(echo "#Comment" && cat "${TMPDIR:-/tmp}/apiserver.crt")
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kubectl config set clusters.test-cluster.certificate-authority-data "$cert_data" --set-raw-bytes
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r_written=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster")].cluster.certificate-authority-data}')
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encoded=$(echo -n "$cert_data" | base64)
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kubectl config set clusters.test-cluster.certificate-authority-data "$encoded"
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e_written=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster")].cluster.certificate-authority-data}')
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test "$e_written" == "$r_written"
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set +o nounset
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set +o errexit
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}
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run_kubectl_config_set_cluster_tests() {
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set -o nounset
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set -o errexit
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create_and_use_new_namespace
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kube::log::status "Testing kubectl config set-cluster"
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ca_file="${TMPDIR:-/tmp}/apiserver.crt"
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ca_data=$(base64 -w0 "$ca_file")
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# Set cert file
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kubectl config set-cluster test-cluster-1 --certificate-authority "$ca_file"
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expected="$ca_file"
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actual=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster-1")].cluster.certificate-authority}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Certificate authority did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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# Embed cert from file
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kubectl config set-cluster test-cluster-2 --embed-certs --certificate-authority "$ca_file"
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expected="$ca_data"
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actual=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster-2")].cluster.certificate-authority-data}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Certificate authority embedded from file did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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# Embed cert using process substitution
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kubectl config set-cluster test-cluster-3 --embed-certs --certificate-authority <(cat "$ca_file")
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expected="$ca_data"
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actual=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster-3")].cluster.certificate-authority-data}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Certificate authority embedded using process substitution did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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set +o nounset
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set +o errexit
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}
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run_kubectl_config_set_credentials_tests() {
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set -o nounset
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set -o errexit
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create_and_use_new_namespace
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kube::log::status "Testing kubectl config set-credentials"
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cert_file="${TMPDIR:-/tmp}/test-client-certificate.crt"
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key_file="${TMPDIR:-/tmp}/test-client-key.crt"
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cat << EOF > "$cert_file"
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-----BEGIN CERTIFICATE-----
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MIIDazCCAlOgAwIBAgIUdSrvuXs0Bft9Ao/AFnC7fNBqD+owDQYJKoZIhvcNAQEL
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BQAwRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
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GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0yMDA1MTExODMyNDJaFw0yMTA1
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MTExODMyNDJaMEUxCzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEw
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HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggEiMA0GCSqGSIb3DQEB
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AQUAA4IBDwAwggEKAoIBAQCrS5/kYM3TjdFw4OYMdSOys0+4aHPgtXqePWrn1pBP
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W9D1yhjI/JS1/uPAWLi+1nnn0PBMCbqo+ZEsRIlSAABJE4fVbRPg+AuBPDdlCex5
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QfKNi3vwp0Gy756SKTNZmIx42I9in0WeocCDliTEM2KsawCrVzuE3gwcHHkOnmLX
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DEc4bajkQxcaJITG3hsJ2Cm5OBMLPwrsq/77VzOdC12r9j8+w0f7lCJfOm2ui7rm
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Vl76V2Nits6U0ZrF1yzYtVQ1iWqCnOudPPf3jyc7KcSetGwozgoydkcqfUS9iMs9
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2OV3v17GX6+sd8zY8tA95d/Vj6yU/l03GI9V6X9LXHSTAgMBAAGjUzBRMB0GA1Ud
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DgQWBBQo2BKDxo4XI5FJDj9ZUuDst9ck7DAfBgNVHSMEGDAWgBQo2BKDxo4XI5FJ
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Dj9ZUuDst9ck7DAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQAL
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LjJ5k5kNdOUXFL2XhKO8w25tpkjd71vD3vKvPIN0Q5BgVmu5Bg476/WPBnSMvTVU
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QYLQR5aGMLPdWuiSJnwO0BChKjOHaoCnP6D3cs2xP9hLBGoENaXMJRM4ZvFBRbES
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Q6iTfq4OBPh5yCDDrjlppjhSnqaZuksmFnPFHLB/km003w8fgCD3VhmC2UFscl2K
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nHaxK6uzIxisyE84ZDZYhjnPPib1wXGL8yu1dq0cbktE5+xJ2FHQkBJ6qaujkgV0
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jpuWE9zk3CImFRkzPEwTF+3s5eP2XTIyWbtJGvJMmO0kHFx2PqCiAkdFldPKfrRh
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M007Wf15dtkqyLNkzOxv
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-----END CERTIFICATE-----
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EOF
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cat << EOF > "$key_file"
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-----BEGIN PRIVATE KEY-----
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MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCrS5/kYM3TjdFw
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4OYMdSOys0+4aHPgtXqePWrn1pBPW9D1yhjI/JS1/uPAWLi+1nnn0PBMCbqo+ZEs
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RIlSAABJE4fVbRPg+AuBPDdlCex5QfKNi3vwp0Gy756SKTNZmIx42I9in0WeocCD
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liTEM2KsawCrVzuE3gwcHHkOnmLXDEc4bajkQxcaJITG3hsJ2Cm5OBMLPwrsq/77
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VzOdC12r9j8+w0f7lCJfOm2ui7rmVl76V2Nits6U0ZrF1yzYtVQ1iWqCnOudPPf3
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jyc7KcSetGwozgoydkcqfUS9iMs92OV3v17GX6+sd8zY8tA95d/Vj6yU/l03GI9V
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6X9LXHSTAgMBAAECggEASKlTsfS+WrcV2OQNscse0XbuojLstK1GzkkPSDjkDkXM
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ZfbMfLVn/6uXwMfh1lH0dDlVNWwLGhKDWlvYREhr1pPKUuZqQEv31WJNvTZwcR9g
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XFqGwJayb8zlXurLNX5YWArFB/i394p1t1vBTNjfSnQ5XHUscjgeuu35DBJzqvSA
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mh1nDUBFIMC4ruPzD7OMI7rXBN02PbfTBpoL8MGoesW0S/BFQciMS07rELL2hFih
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zZPJE+E6h3GMoSPAzqx+ubSkhMbxb/xQQSw4gfp8zii2SMuq8Ith9xaGhdj1TuaX
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NqZahgSRe7bbgYyHWHXYbd7gQa4fxxoT7Qyh0cSKwQKBgQDZP0yYcFfNADFfnw62
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eWgNHnfPsOTYa/gAXdKgueUekT+linGvAUQtdXxnLoVMiLXSVxaJbW1rAP0avJt8
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EJiTdtTXkKqTqwtfbUP/bmxjYNExvGfIOpJbDsCX+kwpCoWzHupXeQlZn7UDEmKR
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l0DWUVzqNnhO0WWaM9J4MD4BjwKBgQDJ2elu8h7V/U/0dr2e4GG1/Xoa1nIcct8C
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rn0cG2GJ6UxN9Rr/brrLZuBewlhul9VjGtcmD7ZvEEsR4EUHUguvheAg90rpAqSE
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c6LOYdGAsUa21iuVLPKPMFwd4MhtrP2JcwHO+oqlUK4939TlZEtyiMWsMJGuugh1
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nrudZ9LSvQKBgBFG83R8Gr928HZGVAk3BotkjOq7irebfpGo5INbxVj0/DbSF9Bv
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LVjgKxCZpog7pxofSu+LAFSuM3LY5RSszTWNEchC/Q3ZYIIqUmoSAhS1Mm3eKfLG
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lbUgKzjq8vuglpl0L/bc7V1vUhn4cFZbzRA+UEFgK5k5Ffd5f5eHXqcJAoGBAJmA
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hVwg9sBHfnlrn3JmMwiCdkxYjrkBxoS0i2JHlFqbt7KFVn2wCI/McY6+fx/Dibxv
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WfSQ+Gzn2B8FDZmulEJsLfED/szKfLBZfBM1Imya5CsBHm24m9G2tibmnaWCa+EO
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O+7aa3uiqo9VXAMCzbmRN7plyTQ2N16zUvw2S4aFAoGARoPL2cJ+7HHcnc4SzKm4
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Su5nLwVPj+IJUwI5SRsRdnUKqo4gaX54p/u/TlA6fm7esRqPu5LK0oIyItVP7wmT
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nUCUFtnE53Rm2QT+BlYg7CewkaRiUHgQR31RDsQP8XtQouy0Si2jG53QLtBm+b7D
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zpqQAUELuiSK67vTd+D96ss=
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-----END PRIVATE KEY-----
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EOF
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cert_data=$(base64 -w0 "$cert_file")
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key_data=$(base64 -w0 "$key_file")
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# Set client certificate and client key files
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kubectl config set-credentials user1 --client-certificate="$cert_file" --client-key="$key_file"
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expected="$cert_file"
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actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user1")].user.client-certificate}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Client certificate did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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expected="$key_file"
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actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user1")].user.client-key}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Client key did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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# Embed client certificate and client key from files
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kubectl config set-credentials user2 --client-certificate="$cert_file" --client-key="$key_file" --embed-certs=true
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expected="$cert_data"
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actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user2")].user.client-certificate-data}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Client certificate data embedded from file did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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expected="$key_data"
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actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user2")].user.client-key-data}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Client key data embedded from file did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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# Embed client certificate and client key using process substitution
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kubectl config set-credentials user3 --client-certificate=<(cat "$cert_file") --client-key=<(cat "$key_file") --embed-certs=true
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expected="$cert_data"
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actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user3")].user.client-certificate-data}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Client certificate data embedded using process substitution did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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expected="$key_data"
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actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user3")].user.client-key-data}')
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if [ "$expected" != "$actual" ]; then
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kube::log::error "Client key data embedded using process substitution did not match the expected value (expected=$expected, actual=$actual)"
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exit 1
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fi
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set +o nounset
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set +o errexit
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}
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run_client_config_tests() {
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set -o nounset
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set -o errexit
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create_and_use_new_namespace
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kube::log::status "Testing client config"
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# Command
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# Pre-condition: kubeconfig "missing" is not a file or directory
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output_message=$(! kubectl get pod --context="" --kubeconfig=missing 2>&1)
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kube::test::if_has_string "${output_message}" "missing: no such file or directory"
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# Pre-condition: kubeconfig "missing" is not a file or directory
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# Command
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output_message=$(! kubectl get pod --user="" --kubeconfig=missing 2>&1)
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# Post-condition: --user contains a valid / empty value, missing config file returns error
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kube::test::if_has_string "${output_message}" "missing: no such file or directory"
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# Command
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output_message=$(! kubectl get pod --cluster="" --kubeconfig=missing 2>&1)
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# Post-condition: --cluster contains a "valid" value, missing config file returns error
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kube::test::if_has_string "${output_message}" "missing: no such file or directory"
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# Pre-condition: context "missing-context" does not exist
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# Command
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output_message=$(! kubectl get pod --context="missing-context" 2>&1)
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kube::test::if_has_string "${output_message}" 'context was not found for specified context: missing-context'
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# Post-condition: invalid or missing context returns error
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# Pre-condition: cluster "missing-cluster" does not exist
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# Command
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output_message=$(! kubectl get pod --cluster="missing-cluster" 2>&1)
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kube::test::if_has_string "${output_message}" 'no server found for cluster "missing-cluster"'
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# Post-condition: invalid or missing cluster returns error
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# Pre-condition: user "missing-user" does not exist
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# Command
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output_message=$(! kubectl get pod --user="missing-user" 2>&1)
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kube::test::if_has_string "${output_message}" 'auth info "missing-user" does not exist'
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# Post-condition: invalid or missing user returns error
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# test invalid config
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kubectl config view | sed -E "s/apiVersion: .*/apiVersion: v-1/g" > "${TMPDIR:-/tmp}"/newconfig.yaml
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output_message=$(! "${KUBE_OUTPUT_HOSTBIN}/kubectl" get pods --context="" --user="" --kubeconfig="${TMPDIR:-/tmp}"/newconfig.yaml 2>&1)
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kube::test::if_has_string "${output_message}" "error loading config file"
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output_message=$(! kubectl get pod --kubeconfig=missing-config 2>&1)
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kube::test::if_has_string "${output_message}" 'no such file or directory'
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set +o nounset
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set +o errexit
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}
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run_kubeconfig_impersonate_tests() {
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set -o nounset
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set -o errexit
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kube::log::status "Testing config with impersonation"
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# copy the existing kubeconfig over and add a new user entry for the admin user impersonating a different user.
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kubectl config view --raw > "${TMPDIR:-/tmp}"/impersonateconfig.yaml
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cat << EOF >> "${TMPDIR:-/tmp}"/impersonateconfig.yaml
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users:
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- name: admin-as-userb
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user:
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# token defined in hack/testdata/auth-tokens.csv
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token: admin-token
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# impersonated user
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as: userb
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as-uid: abc123
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as-groups:
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- group2
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- group1
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as-user-extra:
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foo:
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- bar
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- baz
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- name: as-uid-without-as
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user:
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# token defined in hack/testdata/auth-tokens.csv
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token: admin-token
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# impersonated uid
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as-uid: abc123
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EOF
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kubectl create -f hack/testdata/csr.yml --kubeconfig "${TMPDIR:-/tmp}"/impersonateconfig.yaml --user admin-as-userb
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kube::test::get_object_assert 'csr/foo' '{{.spec.username}}' 'userb'
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kube::test::get_object_assert 'csr/foo' '{{.spec.uid}}' 'abc123'
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kube::test::get_object_assert 'csr/foo' '{{range .spec.groups}}{{.}} {{end}}' 'group2 group1 system:authenticated '
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kube::test::get_object_assert 'csr/foo' '{{len .spec.extra}}' '1'
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kube::test::get_object_assert 'csr/foo' '{{range .spec.extra.foo}}{{.}} {{end}}' 'bar baz '
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kubectl delete -f hack/testdata/csr.yml
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output_message=$(! kubectl get pods --kubeconfig "${TMPDIR:-/tmp}"/impersonateconfig.yaml --user as-uid-without-as 2>&1)
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kube::test::if_has_string "${output_message}" 'without impersonating a user'
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set +o nounset
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set +o errexit
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} |