From: Gabriel Cuba <gcuba@whitestack.com>
Date: Mon, 7 Nov 2022 00:39:02 +0000 (-0500)
Subject: Feature 10947 Cert-manager installation for gRPC authentication
X-Git-Tag: release-v13.0-start~2
X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2Fdevops.git;a=commitdiff_plain;h=0d4965fd608302f2cc2d08455eaf769fc60afbcf

Feature 10947 Cert-manager installation for gRPC authentication

It includes:
- Cert-manager installation
- Custom CA bootstrap
- Mount CA in LCM pod

Change-Id: I8e6d73fb0c179df130f7f4a7f8829bd781713d51
Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>
---

diff --git a/installers/docker/osm_pods/ca_setup.yaml b/installers/docker/osm_pods/ca_setup.yaml
new file mode 100644
index 00000000..6a3ee654
--- /dev/null
+++ b/installers/docker/osm_pods/ca_setup.yaml
@@ -0,0 +1,46 @@
+# Copyright 2022 Whitestack
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License
+
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: osm-selfsigned-issuer
+spec:
+  selfSigned: {}
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: osm-ca-certificate
+  namespace: osm
+spec:
+  isCA: true
+  commonName: osm
+  secretName: osm-ca
+  privateKey:
+    algorithm: ECDSA
+    size: 256
+  issuerRef:
+    name: osm-selfsigned-issuer
+    kind: ClusterIssuer
+    group: cert-manager.io
+---
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: ca-issuer
+spec:
+  ca:
+    secretName: osm-ca
\ No newline at end of file
diff --git a/installers/docker/osm_pods/lcm.yaml b/installers/docker/osm_pods/lcm.yaml
index 54725189..3e5a271d 100644
--- a/installers/docker/osm_pods/lcm.yaml
+++ b/installers/docker/osm_pods/lcm.yaml
@@ -60,3 +60,16 @@ spec:
         envFrom:
         - secretRef:
             name: lcm-secret
+        volumeMounts:
+        - mountPath: /etc/ssl/certs/osm-ca.crt
+          name: osm-ca
+          readOnly: true
+          subPath: osm-ca.crt
+      volumes:
+      - name: osm-ca
+        secret:
+          defaultMode: 420
+          items:
+          - key: tls.crt
+            path: osm-ca.crt
+          secretName: osm-ca
diff --git a/installers/install_kubeadm_cluster.sh b/installers/install_kubeadm_cluster.sh
index 9c0fa2f5..648a1be0 100755
--- a/installers/install_kubeadm_cluster.sh
+++ b/installers/install_kubeadm_cluster.sh
@@ -184,6 +184,20 @@ function install_helm_metallb() {
     [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
 }
 
+#installs cert-manager
+function install_helm_certmanager() {
+    [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+    echo "Installing cert-manager"
+    CERTMANAGER_VERSION="v1.9.1"
+    helm repo add jetstack https://charts.jetstack.io
+    helm repo update
+    helm install cert-manager --create-namespace --namespace cert-manager jetstack/cert-manager \
+        --version ${CERTMANAGER_VERSION} --set installCRDs=true --set prometheus.enabled=false \
+        --set clusterResourceNamespace=osm \
+        --set extraArgs="{--enable-certificate-owner-ref=true}"
+    [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
+}
+
 #checks openebs and metallb readiness
 function check_for_readiness() {
     [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
@@ -220,6 +234,13 @@ function check_for_readiness() {
         COUNT_METALLB_READY=$(echo "${METALLB_READY}" | grep -v -e '^$' | wc -l)
         COUNT_METALLB_NOT_READY=$(echo "${METALLB_NOT_READY}" | grep -v -e '^$' | wc -l)
 
+        # State of CertManager
+        CERTMANAGER_STATE=$(kubectl get pod -n ${CERTMANAGER_NAMESPACE} --no-headers 2>&1)
+        CERTMANAGER_READY=$(echo "${CERTMANAGER_STATE}" | awk '$2=="1/1" || $2=="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
+        CERTMANAGER_NOT_READY=$(echo "${CERTMANAGER_STATE}" | awk '$2!="1/1" && $2!="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
+        COUNT_CERTMANAGER_READY=$(echo "${CERTMANAGER_READY}" | grep -v -e '^$' | wc -l)
+        COUNT_CERTMANAGER_NOT_READY=$(echo "${CERTMANAGER_NOT_READY}" | grep -v -e '^$' | wc -l)
+
         # OK sample
         if [[ $((${COUNT_OPENEBS_NOT_READY}+${COUNT_METALLB_NOT_READY})) -eq 0 ]]
         then
@@ -241,13 +262,21 @@ function check_for_readiness() {
                 echo
             fi
 
-            # Reports failed statefulsets
+            # Reports failed pods in MetalLB
             if [[ "${COUNT_METALLB_NOT_READY}" -ne 0 ]]
             then
                 echo "MetalLB: Waiting for ${COUNT_METALLB_NOT_READY} of $((${COUNT_METALLB_NOT_READY}+${COUNT_METALLB_READY})) pods to be ready:"
                 echo "${METALLB_NOT_READY}"
                 echo
             fi
+
+            # Reports failed pods in CertManager
+            if [[ "${COUNT_CERTMANAGER_NOT_READY}" -ne 0 ]]
+            then
+                echo "CertManager: Waiting for ${COUNT_CERTMANAGER_NOT_READY} of $((${COUNT_CERTMANAGER_NOT_READY}+${COUNT_CERTMANAGER_READY})) pods to be ready:"
+                echo "${CERTMANAGER_NOT_READY}"
+                echo
+            fi
         fi
 
         #------------ NEXT SAMPLE
@@ -342,6 +371,8 @@ install_k8s_storageclass
 track k8scluster k8s_storageclass_ok
 install_helm_metallb
 track k8scluster k8s_metallb_ok
+install_helm_certmanager
+track k8scluster k8s_certmanager_ok
 check_for_readiness
 track k8scluster k8s_ready_ok