diff --git a/.github/workflows/caname-id-test.yml b/.github/workflows/caname-id-test.yml
index b42a043..b5f760c 100644
--- a/.github/workflows/caname-id-test.yml
+++ b/.github/workflows/caname-id-test.yml
@@ -25,6 +25,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
@@ -173,6 +176,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
diff --git a/.github/workflows/clientauth-test.yml b/.github/workflows/clientauth-test.yml
index c09b53f..c007b8e 100644
--- a/.github/workflows/clientauth-test.yml
+++ b/.github/workflows/clientauth-test.yml
@@ -30,6 +30,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
@@ -56,11 +59,11 @@ jobs:
         sudo microk8s.kubectl get pods -A
         sudo microk8s.kubectl -n cert-manager logs `sudo microk8s.kubectl get pods -n cert-manager -l app=cert-manager -o jsonpath='{.items[0].metadata.name}'`|tail -25
    
-    - name: "install kubectl cert-manager plugin"
+    - name: "install cmctl"
       run: |
-          OS=$(go env GOOS); ARCH=$(go env GOARCH); curl -sSL -o kubectl-cert-manager.tar.gz "https://github.com/cert-manager/cert-manager/releases/download/v${{ matrix.certmgr-version }}/kubectl-cert_manager-$OS-$ARCH.tar.gz"
-          tar xzf kubectl-cert-manager.tar.gz
-          sudo mv kubectl-cert_manager /usr/local/bin
+          OS=$(uname -s | tr A-Z a-z); ARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/'); curl -fsSL -o cmctl https://github.com/cert-manager/cmctl/releases/latest/download/cmctl_${OS}_${ARCH}
+          sudo chmod +x cmctl
+          sudo mv cmctl /usr/local/bin
 
     - name: "install yq"
       run: sudo snap install yq
@@ -133,7 +136,7 @@ jobs:
 
     - name: "check certificate resource"
       run: |
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer  | grep "The certificate has been successfully issued"
@@ -145,7 +148,7 @@ jobs:
 
     - name: "renew certificate"
       run: |
-        sudo microk8s.kubectl cert-manager renew ncm-cert -n ncm-issuer
+        sudo -E cmctl renew ncm-cert -n ncm-issuer
 
     - name: "sleep for 15s"
       uses: juliangruber/sleep-action@v1
@@ -155,9 +158,9 @@ jobs:
     - name: "check certificate resource"
       run: |
         sudo microk8s.kubectl get certificaterequest -n ncm-issuer
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
         sudo microk8s.kubectl describe certificaterequest ncm-cert -n ncm-issuer | grep "Certificate:" | awk '{print $2}' | base64 -d > /tmp/cert.der
         openssl x509 -in /tmp/cert.der -text -noout
 
diff --git a/.github/workflows/pkey-tests.yml b/.github/workflows/pkey-tests.yml
index d27563e..3f68697 100644
--- a/.github/workflows/pkey-tests.yml
+++ b/.github/workflows/pkey-tests.yml
@@ -28,6 +28,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
@@ -55,11 +58,11 @@ jobs:
         sudo microk8s.kubectl -n cert-manager logs `sudo microk8s.kubectl get pods -n cert-manager -l app=cert-manager -o jsonpath='{.items[0].metadata.name}'`|tail -25
    
 
-    - name: "install kubectl cert-manager plugin"
+    - name: "install cmctl"
       run: |
-          OS=$(go env GOOS); ARCH=$(go env GOARCH); curl -sSL -o kubectl-cert-manager.tar.gz "https://github.com/cert-manager/cert-manager/releases/download/${{ env.CERTMGR_VERSION }}/kubectl-cert_manager-$OS-$ARCH.tar.gz"
-          tar xzf kubectl-cert-manager.tar.gz
-          sudo mv kubectl-cert_manager /usr/local/bin
+          OS=$(uname -s | tr A-Z a-z); ARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/'); curl -fsSL -o cmctl https://github.com/cert-manager/cmctl/releases/latest/download/cmctl_${OS}_${ARCH}
+          sudo chmod +x cmctl
+          sudo mv cmctl /usr/local/bin
 
     - name: "install yq"
       run: sudo snap install yq
@@ -127,7 +130,7 @@ jobs:
 
     - name: "check certificate resource"
       run: |
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer  | grep "The certificate has been successfully issued"
@@ -143,7 +146,7 @@ jobs:
 
     - name: "renew certificate"
       run: |
-        sudo microk8s.kubectl cert-manager renew ncm-cert -n ncm-issuer
+        sudo -E cmctl renew ncm-cert -n ncm-issuer
 
     - name: "sleep for 15s"
       uses: juliangruber/sleep-action@v1
@@ -153,9 +156,9 @@ jobs:
     - name: "check certificate resource"
       run: |
         sudo microk8s.kubectl get certificaterequest -n ncm-issuer
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
         sudo microk8s.kubectl describe certificaterequest ncm-cert -n ncm-issuer | grep "Certificate:" | awk '{print $2}' | base64 -d > /tmp/cert.der
         openssl x509 -in /tmp/cert.der -text -noout
 
@@ -206,6 +209,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
@@ -232,11 +238,11 @@ jobs:
         sudo microk8s.kubectl get pods -A
         sudo microk8s.kubectl -n cert-manager logs `sudo microk8s.kubectl get pods -n cert-manager -l app=cert-manager -o jsonpath='{.items[0].metadata.name}'`|tail -25
 
-    - name: "install kubectl cert-manager plugin"
+    - name: "install cmctl"
       run: |
-          OS=$(go env GOOS); ARCH=$(go env GOARCH); curl -sSL -o kubectl-cert-manager.tar.gz "https://github.com/cert-manager/cert-manager/releases/download/${{ env.CERTMGR_VERSION }}/kubectl-cert_manager-$OS-$ARCH.tar.gz"
-          tar xzf kubectl-cert-manager.tar.gz
-          sudo mv kubectl-cert_manager /usr/local/bin
+          OS=$(uname -s | tr A-Z a-z); ARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/'); curl -fsSL -o cmctl https://github.com/cert-manager/cmctl/releases/latest/download/cmctl_${OS}_${ARCH}
+          sudo chmod +x cmctl
+          sudo mv cmctl /usr/local/bin
 
     - name: "install yq"
       run: sudo snap install yq
@@ -304,7 +310,7 @@ jobs:
 
     - name: "check certificate resource"
       run: |
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer  | grep "The certificate has been successfully issued"
@@ -320,7 +326,7 @@ jobs:
 
     - name: "renew certificate"
       run: |
-        sudo microk8s.kubectl cert-manager renew ncm-cert -n ncm-issuer
+        sudo -E cmctl renew ncm-cert -n ncm-issuer
 
     - name: "sleep for 15s"
       uses: juliangruber/sleep-action@v1
@@ -330,9 +336,9 @@ jobs:
     - name: "check certificate resource"
       run: |
         sudo microk8s.kubectl get certificaterequest -n ncm-issuer
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
         sudo microk8s.kubectl describe certificaterequest ncm-cert -n ncm-issuer | grep "Certificate:" | awk '{print $2}' | base64 -d > /tmp/cert.der
         openssl x509 -in /tmp/cert.der -text -noout
 
diff --git a/.github/workflows/san-test.yml b/.github/workflows/san-test.yml
index d9e69df..5274a32 100644
--- a/.github/workflows/san-test.yml
+++ b/.github/workflows/san-test.yml
@@ -41,6 +41,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
diff --git a/.github/workflows/signer-tests.yml b/.github/workflows/signer-tests.yml
index 6eb7936..f8eb2d0 100644
--- a/.github/workflows/signer-tests.yml
+++ b/.github/workflows/signer-tests.yml
@@ -30,6 +30,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "install cert-manager charts"
       run: |
         sudo microk8s.kubectl create namespace cert-manager
@@ -56,11 +59,11 @@ jobs:
         sudo microk8s.kubectl get pods -A
         sudo microk8s.kubectl -n cert-manager logs `sudo microk8s.kubectl get pods -n cert-manager -l app=cert-manager -o jsonpath='{.items[0].metadata.name}'`|tail -25
         
-    - name: "install kubectl cert-manager plugin"
+    - name: "install cmctl"
       run: |
-          OS=$(go env GOOS); ARCH=$(go env GOARCH); curl -sSL -o kubectl-cert-manager.tar.gz "https://github.com/cert-manager/cert-manager/releases/download/v${{ matrix.certmgr-version }}/kubectl-cert_manager-$OS-$ARCH.tar.gz"
-          tar xzf kubectl-cert-manager.tar.gz
-          sudo mv kubectl-cert_manager /usr/local/bin
+          OS=$(uname -s | tr A-Z a-z); ARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/'); curl -fsSL -o cmctl https://github.com/cert-manager/cmctl/releases/latest/download/cmctl_${OS}_${ARCH}
+          sudo chmod +x cmctl
+          sudo mv cmctl /usr/local/bin
 
     - name: "install yq"
       run: sudo snap install yq
@@ -124,7 +127,7 @@ jobs:
 
     - name: "check certificate resource"
       run: |
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-issuer  | grep "The certificate has been successfully issued"
@@ -138,7 +141,7 @@ jobs:
 
     - name: "renew certificate"
       run: |
-        sudo microk8s.kubectl cert-manager renew ncm-cert -n ncm-issuer
+        sudo -E cmctl renew ncm-cert -n ncm-issuer
 
     - name: "sleep for 10s"
       uses: juliangruber/sleep-action@v1
@@ -148,9 +151,9 @@ jobs:
     - name: "check certificate resource"
       run: |
         sudo microk8s.kubectl get certificaterequest -n ncm-issuer
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
+        sudo -E cmctl status certificate ncm-cert -n ncm-issuer | grep "No CertificateRequest found for this Certificate"
         sudo microk8s.kubectl describe certificaterequest ncm-cert -n ncm-issuer | grep "Certificate:" | awk '{print $2}' | base64 -d > /tmp/cert.der
         openssl x509 -in /tmp/cert.der -text -noout
 
@@ -203,6 +206,9 @@ jobs:
         echo K8S_VERSION=$(sudo microk8s.kubectl version --short=true|grep -Po 'Server Version: \K.*' -m 1) >> $GITHUB_ENV
     - run: echo "k8s ${{ env.K8S_VERSION }}"
 
+    - name: Set KUBECONFIG for MicroK8s
+      run: echo "KUBECONFIG=/var/snap/microk8s/current/credentials/client.config" >> $GITHUB_ENV
+
     - name: "build ncm-issuer image"
       run: |
         make docker-build
@@ -229,11 +235,11 @@ jobs:
         sudo microk8s.kubectl get pods -A
         sudo microk8s.kubectl -n cert-manager logs `sudo microk8s.kubectl get pods -n cert-manager -l app=cert-manager -o jsonpath='{.items[0].metadata.name}'`|tail -25
    
-    - name: "install kubectl cert-manager plugin"
+    - name: "install cmctl"
       run: |
-          OS=$(go env GOOS); ARCH=$(go env GOARCH); curl -sSL -o kubectl-cert-manager.tar.gz "https://github.com/cert-manager/cert-manager/releases/download/v${{ matrix.certmgr-version }}/kubectl-cert_manager-$OS-$ARCH.tar.gz"
-          tar xzf kubectl-cert-manager.tar.gz
-          sudo mv kubectl-cert_manager /usr/local/bin
+          OS=$(uname -s | tr A-Z a-z); ARCH=$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/'); curl -fsSL -o cmctl https://github.com/cert-manager/cmctl/releases/latest/download/cmctl_${OS}_${ARCH}
+          sudo chmod +x cmctl
+          sudo mv cmctl /usr/local/bin
 
     - name: "install yq"
       run: sudo snap install yq
@@ -308,7 +314,7 @@ jobs:
 
     - name: "check certificate resource"
       run: |
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-cert
+        sudo -E cmctl status certificate ncm-cert -n ncm-cert
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-cert
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
         sudo microk8s.kubectl describe cert ncm-cert -n ncm-cert  | grep "The certificate has been successfully issued"
@@ -322,7 +328,7 @@ jobs:
 
     - name: "renew certificate"
       run: |
-        sudo microk8s.kubectl cert-manager renew ncm-cert -n ncm-cert
+        sudo -E cmctl renew ncm-cert -n ncm-cert
 
     - name: "sleep for 10s"
       uses: juliangruber/sleep-action@v1
@@ -332,9 +338,9 @@ jobs:
     - name: "check certificate resource"
       run: |
         sudo microk8s.kubectl get certificaterequest -n ncm-cert
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-cert
+        sudo -E cmctl status certificate ncm-cert -n ncm-cert
         sudo microk8s.kubectl -n ncm-issuer logs `sudo microk8s.kubectl get pods -A -l app=ncm-issuer -o jsonpath='{.items[0].metadata.name}'`|tail -25
-        sudo microk8s.kubectl cert-manager status certificate ncm-cert -n ncm-cert | grep "No CertificateRequest found for this Certificate"
+        sudo -E cmctl status certificate ncm-cert -n ncm-cert | grep "No CertificateRequest found for this Certificate"
         sudo microk8s.kubectl describe certificaterequest ncm-cert -n ncm-cert | grep "Certificate:" | awk '{print $2}' | base64 -d > /tmp/cert.der
         openssl x509 -in /tmp/cert.der -text -noout