DEV-592: added stuff for argocd to enable helm sops decryption

roles/kubernetes/argocd/defaults/main.yml

@@ -72,9 +72,30 @@ k8s_argocd_helm__release_values:
         value: /.config
       - name: GNUPGHOME
         value: /home/argocd/.gnupg
+      - name: HELM_PLUGINS
+        value: /custom-tools/helm-plugins/
+      - name: HELM_SECRETS_SOPS_PATH
+        value: /custom-tools/sops
+      - name: HELM_SECRETS_VALS_PATH
+        value: /custom-tools/vals
+      - name: HELM_SECRETS_KUBECTL_PATH
+        value: /custom-tools/kubectl
+      - name: HELM_SECRETS_CURL_PATH
+        value: /custom-tools/curl
+      # https://github.com/jkroepke/helm-secrets/wiki/Security-in-shared-environments
+      - name: HELM_SECRETS_KEY_LOCATION_PREFIX
+        value: "/sops-gpg/"
+      - name: HELM_SECRETS_VALUES_ALLOW_SYMLINKS
+        value: "false"
+      - name: HELM_SECRETS_VALUES_ALLOW_ABSOLUTE_PATH
+        value: "false"
+      - name: HELM_SECRETS_VALUES_ALLOW_PATH_TRAVERSAL
+        value: "false"
     volumes:
       - name: custom-tools
         emptyDir: {}
+      - name: custom-tools-helm
+        emptyDir: {}
       - name: gnupg-home
         emptyDir: {}
       - name: sops-gpg
@@ -91,6 +112,18 @@ k8s_argocd_helm__release_values:
       - mountPath: /.config/kustomize/plugin/viaduct.ai/v1/ksops/ksops
         name: custom-tools
         subPath: ksops
+      - mountPath: /custom-tools/helm-plugins
+        name: custom-tools-helm
+        subPath: helm-plugins
+      - mountPath: /custom-tools/kubectl
+        name: custom-tools-helm
+        subPath: kubectl
+      - mountPath: /custom-tools/sops
+        name: custom-tools-helm
+        subPath: sops
+      - mountPath: /custom-tools/vals
+        name: custom-tools-helm
+        subPath: vals
     initContainers:
       - name: 1-install-ksops
         image: viaductoss/ksops:v3.0.1
@@ -103,7 +136,39 @@ k8s_argocd_helm__release_values:
         volumeMounts:
           - mountPath: /custom-tools
             name: custom-tools
-      - name: 2-import-gpg-key
+      - name: 2-download-tools
+        image: alpine:latest
+        command: [sh, -ec]
+        env:
+          - name: HELM_SECRETS_VERSION
+            value: "3.12.0"
+          - name: KUBECTL_VERSION
+            value: "1.24.3"
+          - name: VALS_VERSION
+            value: "0.18.0"
+          - name: SOPS_VERSION
+            value: "3.7.3"
+        args:
+          - |
+            echo "Installing helm secrets...";
+            mkdir -p /custom-tools/helm-plugins
+            wget -qO- https://github.com/jkroepke/helm-secrets/releases/download/v${HELM_SECRETS_VERSION}/helm-secrets.tar.gz | tar -C /custom-tools/helm-plugins -xzf-;
+            echo "Done.";
+
+            echo "Downloading SOPS=${SOPS_VERSION} and kubectl ...";
+            wget -qO /custom-tools/sops https://github.com/mozilla/sops/releases/download/v${SOPS_VERSION}/sops-v${SOPS_VERSION}.linux
+            wget -qO /custom-tools/kubectl https://dl.k8s.io/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl
+            echo "Done.";
+
+            echo "Downloading vals...";
+            wget -qO- https://github.com/variantdev/vals/releases/download/v${VALS_VERSION}/vals_${VALS_VERSION}_linux_amd64.tar.gz | tar -xzf- -C /custom-tools/ vals;
+            echo "Done.";
+
+            chmod +x /custom-tools/*;
+        volumeMounts:
+          - mountPath: /custom-tools
+            name: custom-tools-helm
+      - name: 3-import-gpg-key
         image: argoproj/argocd:v2.2.5
         command: ["gpg", "--import","/sops-gpg/gpg_key_smardigo_automation__private"]
         env:
@@ -126,6 +191,11 @@ k8s_argocd_helm__release_values:
         requestedScopes: ["openid", "profile", "email", "{{ argo_keycloak_clientscope_name }}"]
       url: 'https://{{ k8s_argocd_helm__domain }}'
       kustomize.buildOptions: "--enable-alpha-plugins"
+      helm.valuesFileSchemes: >-
+        secrets+gpg-import, secrets+gpg-import-kubernetes,
+        secrets+age-import, secrets+age-import-kubernetes,
+        secrets,secrets+literal,
+        https
     rbacConfig:
       policy.default: role:readonly
       policy.csv: |