rent-reminder: Add CronJob to send reminders

This CronJob sends scheduled rent reminders to Brandon.

rent-reminder/data.toml

@@ -0,0 +1,7 @@
+sender = "Rent Reminder <rent@dustinhatch.me>"
+
+[[tenant]]
+name = "Brandon Hatch"
+email = "bman.qv@gmail.com"
+address = "8632 Melrose St"
+rent = 1030.82

rent-reminder/kustomization.yaml

@@ -0,0 +1,12 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- rent-reminder.yaml
+
+secretGenerator:
+- name: rent-reminder
+  files:
+  - data.toml
+  options:
+    disableNameSuffixHash: true

rent-reminder/rent-reminder.yaml

@@ -0,0 +1,48 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: rent-reminder
+  labels:
+    app.kubernetes.io/name: rent-reminder
+    app.kubernetes.io/component: rent-reminder
+    app.kubernetes.io/instance: rent-reminder
+    app.kubernetes.io/part-of: rent-reminder
+spec:
+  schedule: 4 1 21-25 * *
+  timeZone: America/Chicago
+  concurrencyPolicy: Forbid
+  jobTemplate:
+    metadata:
+      labels:
+        app.kubernetes.io/name: rent-reminder
+        app.kubernetes.io/component: rent-reminder
+        app.kubernetes.io/instance: rent-reminder
+        app.kubernetes.io/part-of: rent-reminder
+    spec:
+      template:
+        spec:
+          restartPolicy: OnFailure
+          imagePullSecrets:
+          - name: imagepull-gitea
+          containers:
+          - name: rent-reminder
+            image: git.pyrocufflink.net/packages/rent-reminder
+            env:
+            - name: RUST_LOG
+              value: INFO,rent_reminder=TRACE
+            securityContext:
+              readOnlyRootFilesystem: true
+            volumeMounts:
+            - mountPath: /usr/local/share/rent-reminder/data.toml
+              name: data
+              subPath: data.toml
+              readOnly: true
+          securityContext:
+            runAsNonRoot: true
+            runAsUser: 1174
+            runAsGroup: 1174
+          volumes:
+          - name: data
+            secret:
+              secretName: rent-reminder
+              defaultMode: 0644