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-rwxr-xr-xkud/deployment_infra/playbooks/setup-ca-kubernetes.sh60
1 files changed, 60 insertions, 0 deletions
diff --git a/kud/deployment_infra/playbooks/setup-ca-kubernetes.sh b/kud/deployment_infra/playbooks/setup-ca-kubernetes.sh
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+++ b/kud/deployment_infra/playbooks/setup-ca-kubernetes.sh
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+#!/bin/sh -e
+
+# This script generates certificates using setup-ca.sh and converts them into
+# the Kubernetes secrets that the PMEM-CSI deployments rely upon for
+# securing communication between PMEM-CSI components. Existing secrets
+# are updated with new certificates when running it again.
+
+# The script needs a functional kubectl that uses the target cluster.
+: ${KUBECTL:=kubectl}
+
+# The directory containing setup-ca*.sh.
+: ${TEST_DIRECTORY:=$(dirname $(readlink -f $0))}
+
+
+tmpdir=`mktemp -d`
+trap 'rm -r $tmpdir' EXIT
+
+# Generate certificates. They are not going to be needed again and will
+# be deleted together with the temp directory.
+WORKDIR="$tmpdir" "$TEST_DIRECTORY/setup-ca.sh"
+
+# This reads a file and encodes it for use in a secret.
+read_key () {
+ base64 -w 0 "$1"
+}
+
+# Read certificate files and turn them into Kubernetes secrets.
+#
+# -caFile (controller and all nodes)
+CA=$(read_key "$tmpdir/ca.pem")
+# -certFile (controller)
+REGISTRY_CERT=$(read_key "$tmpdir/pmem-registry.pem")
+# -keyFile (controller)
+REGISTRY_KEY=$(read_key "$tmpdir/pmem-registry-key.pem")
+# -certFile (same for all nodes)
+NODE_CERT=$(read_key "$tmpdir/pmem-node-controller.pem")
+# -keyFile (same for all nodes)
+NODE_KEY=$(read_key "$tmpdir/pmem-node-controller-key.pem")
+
+${KUBECTL} apply -f - <<EOF
+apiVersion: v1
+kind: Secret
+metadata:
+ name: pmem-csi-registry-secrets
+type: kubernetes.io/tls
+data:
+ ca.crt: ${CA}
+ tls.crt: ${REGISTRY_CERT}
+ tls.key: ${REGISTRY_KEY}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+ name: pmem-csi-node-secrets
+type: Opaque
+data:
+ ca.crt: ${CA}
+ tls.crt: ${NODE_CERT}
+ tls.key: ${NODE_KEY}
+EOF