fix: emailsender use TLS for db connections (#2035)

* use tls for emailsender db connection

* make db cert file configurable via vales

* fix file ownership for trust bundle

.github/workflows/emailsender-central-compatibility.yaml

@@ -7,11 +7,15 @@ on:
       - main
     paths:
       - 'emailsender/**'
+      - 'scripts/**'
+      - '.github/workflows/emailsender-central-compatibility.yaml'
 
   pull_request:
     types: [opened, synchronize, reopened, ready_for_review]
     paths:
       - 'emailsender/**'
+      - 'scripts/**'
+      - '.github/workflows/emailsender-central-compatibility.yaml'
 
 jobs:
   e2e-test-on-kind:

dp-terraform/helm/rhacs-terraform/templates/emailsender.yaml

@@ -41,6 +41,10 @@ spec:
               value: "/var/run/certs/tls.crt"
             - name: HTTPS_KEY_FILE
               value: "/var/run/certs/tls.key"
+            - name: DATABASE_SSL_MODE
+              value: {{ .Values.emailsender.db.sslMode }}
+            - name: DATABASE_CA_CERT_FILE
+              value: {{ .Values.emailsender.db.caCertFile }}
             {{- if .Values.emailsender.authConfigFromKubernetes }}
             - name: AUTH_CONFIG_FROM_KUBERNETES
               value: "true"

dp-terraform/helm/rhacs-terraform/values.yaml

@@ -72,6 +72,9 @@ emailsender:
   enabled: false
   # Use this in case you apply this manifest against a cluster without service-ca operator
   # to turn of HTTPS and mounting the service-ca certs since they'll not be created
+  db:
+    sslMode: "verify-full"
+    caCertFile: /rds_ca/aws-rds-ca-global-bundle.pem
   enableHTTPS: true
   replicas: 3
   image:

emailsender/Dockerfile

@@ -15,6 +15,8 @@ FROM registry.access.redhat.com/ubi8/ubi-minimal:8.9 as standard
 RUN microdnf install shadow-utils
 
 RUN useradd -u 1001 unprivilegeduser
+ADD https://truststore.pki.rds.amazonaws.com/global/global-bundle.pem /rds_ca/aws-rds-ca-global-bundle.pem
+RUN chown unprivilegeduser /rds_ca/aws-rds-ca-global-bundle.pem
 # Switch to non-root user
 USER unprivilegeduser
 

scripts/ci/central_compatibility/emailsender-values.yaml

@@ -9,6 +9,9 @@ fleetshardSync:
     enabled: false
     subnetGroup: "dummyGroup"
 emailsender:
+  db:
+    sslMode: "disable"
+    caCertFile: ""
   image:
     repo: "quay.io/rhacs-eng/emailsender"
   enabled: true