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Merge pull request #91077 from brianpursley/kubectl-501-2

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Changed kubectl config set-cluster and set-credentials to support process substitution for filenames
This commit is contained in:
Kubernetes Prow Robot 2020-05-20 16:45:25 -07:00 committed by GitHub
commit 97145d685c
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 179 additions and 7 deletions
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9
staging/src/k8s.io/kubectl/pkg/cmd/config/create_authinfo.go
View File

@ -21,6 +21,7 @@ import (
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"strings"
@ -421,13 +422,13 @@ func (o createAuthInfoOptions) validate() error {
return fmt.Errorf("you must specify a --%s or --%s to embed", clientcmd.FlagCertFile, clientcmd.FlagKeyFile)
}
if certPath != "" {
if _, err := ioutil.ReadFile(certPath); err != nil {
return fmt.Errorf("error reading %s data from %s: %v", clientcmd.FlagCertFile, certPath, err)
if _, err := os.Stat(certPath); err != nil {
return fmt.Errorf("could not stat %s file %s: %v", clientcmd.FlagCertFile, certPath, err)
}
}
if keyPath != "" {
if _, err := ioutil.ReadFile(keyPath); err != nil {
return fmt.Errorf("error reading %s data from %s: %v", clientcmd.FlagKeyFile, keyPath, err)
if _, err := os.Stat(keyPath); err != nil {
return fmt.Errorf("could not stat %s file %s: %v", clientcmd.FlagKeyFile, keyPath, err)
}
}
}

7
staging/src/k8s.io/kubectl/pkg/cmd/config/create_cluster.go
View File

@ -21,6 +21,7 @@ import (
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"github.com/spf13/cobra"
@ -53,7 +54,7 @@ var (
kubectl config set-cluster e2e --server=https://1.2.3.4
# Embed certificate authority data for the e2e cluster entry
kubectl config set-cluster e2e --certificate-authority=~/.kube/e2e/kubernetes.ca.crt
kubectl config set-cluster e2e --embed-certs --certificate-authority=~/.kube/e2e/kubernetes.ca.crt
# Disable cert checking for the dev cluster entry
kubectl config set-cluster e2e --insecure-skip-tls-verify=true
@ -181,8 +182,8 @@ func (o createClusterOptions) validate() error {
if caPath == "" {
return fmt.Errorf("you must specify a --%s to embed", clientcmd.FlagCAFile)
}
if _, err := ioutil.ReadFile(caPath); err != nil {
return fmt.Errorf("could not read %s data from %s: %v", clientcmd.FlagCAFile, caPath, err)
if _, err := os.Stat(caPath); err != nil {
return fmt.Errorf("could not stat %s file %s: %v", clientcmd.FlagCAFile, caPath, err)
}
}

158
test/cmd/kubeconfig.sh
View File

@ -43,6 +43,164 @@ run_kubectl_config_set_tests() {
set +o errexit
}
run_kubectl_config_set_cluster_tests() {
set -o nounset
set -o errexit
create_and_use_new_namespace
kube::log::status "Testing kubectl config set-cluster"
ca_file="${TMPDIR:-/tmp}/apiserver.crt"
ca_data=$(base64 -w0 "$ca_file")
# Set cert file
kubectl config set-cluster test-cluster-1 --certificate-authority "$ca_file"
expected="$ca_file"
actual=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster-1")].cluster.certificate-authority}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Certificate authority did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
# Embed cert from file
kubectl config set-cluster test-cluster-2 --embed-certs --certificate-authority "$ca_file"
expected="$ca_data"
actual=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster-2")].cluster.certificate-authority-data}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Certificate authority embedded from file did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
# Embed cert using process substitution
kubectl config set-cluster test-cluster-3 --embed-certs --certificate-authority <(cat "$ca_file")
expected="$ca_data"
actual=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster-3")].cluster.certificate-authority-data}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Certificate authority embedded using process substitution did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
set +o nounset
set +o errexit
}
run_kubectl_config_set_credentials_tests() {
set -o nounset
set -o errexit
create_and_use_new_namespace
kube::log::status "Testing kubectl config set-credentials"
cert_file="${TMPDIR:-/tmp}/test-client-certificate.crt"
key_file="${TMPDIR:-/tmp}/test-client-key.crt"
cat << EOF > "$cert_file"
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
EOF
cat << EOF > "$key_file"
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----
EOF
cert_data=$(base64 -w0 "$cert_file")
key_data=$(base64 -w0 "$key_file")
# Set client certificate and client key files
kubectl config set-credentials user1 --client-certificate="$cert_file" --client-key="$key_file"
expected="$cert_file"
actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user1")].user.client-certificate}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Client certificate did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
expected="$key_file"
actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user1")].user.client-key}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Client key did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
# Embed client certificate and client key from files
kubectl config set-credentials user2 --client-certificate="$cert_file" --client-key="$key_file" --embed-certs=true
expected="$cert_data"
actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user2")].user.client-certificate-data}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Client certificate data embedded from file did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
expected="$key_data"
actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user2")].user.client-key-data}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Client key data embedded from file did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
# Embed client certificate and client key using process substitution
kubectl config set-credentials user3 --client-certificate=<(cat "$cert_file") --client-key=<(cat "$key_file") --embed-certs=true
expected="$cert_data"
actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user3")].user.client-certificate-data}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Client certificate data embedded using process substitution did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
expected="$key_data"
actual=$(kubectl config view --raw -o jsonpath='{.users[?(@.name == "user3")].user.client-key-data}')
if [ "$expected" != "$actual" ]; then
kube::log::error "Client key data embedded using process substitution did not match the expected value (expected=$expected, actual=$actual)"
exit 1
fi
set +o nounset
set +o errexit
}
run_client_config_tests() {
set -o nounset
set -o errexit

12
test/cmd/legacy-script.sh
View File

@ -439,6 +439,18 @@ runTests() {
record_command run_kubectl_config_set_tests
##############################
# kubectl config set-cluster #
##############################
record_command run_kubectl_config_set_cluster_tests
##################################
# kubectl config set-credentials #
##################################
record_command run_kubectl_config_set_credentials_tests
#######################
# kubectl local proxy #
#######################