Create a single CA for both client and server certs

The following test: "Certificates API [It] should support building a client with a CSR" fails with local-up-cluster, but works in the existing CI jobs. This is because the other CI jobs use a single CA cert while local-up-cluster can use 2 different sets of CA(s). We need a way to mimic the other CI jobs (or alternatively change everything to have separate CA's). Just updating local-up-cluster with a flag seems to be the easy route.

Create a single CA for both client and server certs
0d95f74e · Davanum Srinivas · 4998d78f · 0d95f74e
Commit 0d95f74e authored May 02, 2017 by Davanum Srinivas
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local-up-cluster.sh hack/local-up-cluster.sh +8 -0

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--- a/hack/local-up-cluster.sh
+++ b/hack/local-up-cluster.sh
@@ -441,8 +441,16 @@ function start_apiserver {
    fi
    # Create CA signers
+    if [[ "${ENABLE_SINGLE_CA_SIGNER:-}" = true ]]; then
+        kube::util::create_signing_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" server '"client auth","server auth"'
+        sudo cp "${CERT_DIR}/server-ca.key" "${CERT_DIR}/client-ca.key"
+        sudo cp "${CERT_DIR}/server-ca.crt" "${CERT_DIR}/client-ca.crt"
+        sudo cp "${CERT_DIR}/server-ca-config.json" "${CERT_DIR}/client-ca-config.json"
+    else
        kube::util::create_signing_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" server '"server auth"'
        kube::util::create_signing_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" client '"client auth"'
+    fi
    # Create auth proxy client ca
    kube::util::create_signing_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" request-header '"client auth"'