From c79b264f753c0a564a965bfba65cbccb024cd1b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mart=C3=ADn=20Peveri?= <martinpeveri@gmail.com>
Date: Sun, 24 Mar 2024 13:56:14 +0100
Subject: [PATCH] Bug: MongoServerError: not primary and secondaryOk=false #106

---
 .k8s/mongo1-deployment.yaml                   | 38 +++++++++++--------
 .../mongodb-claim0-persistentvolumeclaim.yaml | 14 -------
 .k8s/mongodb-pod.yaml                         | 37 ------------------
 3 files changed, 22 insertions(+), 67 deletions(-)
 delete mode 100644 .k8s/mongodb-claim0-persistentvolumeclaim.yaml
 delete mode 100644 .k8s/mongodb-pod.yaml

diff --git a/.k8s/mongo1-deployment.yaml b/.k8s/mongo1-deployment.yaml
index e3408034..b482d117 100644
--- a/.k8s/mongo1-deployment.yaml
+++ b/.k8s/mongo1-deployment.yaml
@@ -10,33 +10,39 @@ spec:
   replicas: 1
   selector:
     matchLabels:
-      name: mongo1
-  strategy:
-    type: Recreate
+      app: mongo1
   template:
     metadata:
       creationTimestamp: null
       labels:
-        name: mongo1
+        app: mongo1
     spec:
       containers:
-        - args:
-            - --bind_ip_all
-            - --replSet
-            - rs0
+        - name: mongo1
           image: mongo:6
-          name: mongo1
+          command: ["mongod", "--bind_ip_all", "--replSet", "rs0"]
           ports:
             - containerPort: 27017
-              hostPort: 27017
-              protocol: TCP
-          resources: {}
           volumeMounts:
-            - mountPath: /data/db
-              name: mongo1-claim0
-      restartPolicy: Always
+            - name: mongo1-claim0
+              mountPath: /data/db
       volumes:
         - name: mongo1-claim0
           persistentVolumeClaim:
             claimName: mongo1-claim0
-status: {}
+  strategy: {}
+  status: {}
+
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: mongodb-init
+spec:
+  template:
+    spec:
+      containers:
+        - name: mongodb-init
+          image: mongo:6
+          command: ["/bin/bash", "-c", "sleep 15 && until nc -zv mongo1 27017; do echo 'Waiting for mongo1 to be ready...'; sleep 5; done; sleep 10; mongosh --host mongo1:27017 <<EOF; cfg = { '_id': 'rs0', 'members': [ { '_id': 0, 'host': 'mongo1:27017' } ] }; rs.initiate(cfg); EOF"]
+      restartPolicy: OnFailure
diff --git a/.k8s/mongodb-claim0-persistentvolumeclaim.yaml b/.k8s/mongodb-claim0-persistentvolumeclaim.yaml
deleted file mode 100644
index 4683808f..00000000
--- a/.k8s/mongodb-claim0-persistentvolumeclaim.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  creationTimestamp: null
-  labels:
-    role: database
-  name: mongodb-claim0
-spec:
-  accessModes:
-    - ReadWriteOnce
-  resources:
-    requests:
-      storage: 100Mi
-status: {}
diff --git a/.k8s/mongodb-pod.yaml b/.k8s/mongodb-pod.yaml
deleted file mode 100644
index f4ae5137..00000000
--- a/.k8s/mongodb-pod.yaml
+++ /dev/null
@@ -1,37 +0,0 @@
-apiVersion: v1
-kind: Pod
-metadata:
-  creationTimestamp: null
-  labels:
-    name: mongodb
-    role: database
-  name: mongodb
-spec:
-  containers:
-  - name: mongodb
-    image: mongo:6
-    command:
-    - "/bin/bash"
-    - "-c"
-    - |
-      #!/bin/bash
-      echo "Mongo init"
-      sleep 10
-
-      mongosh --host mongo1:27017 <<EOF
-        cfg = {
-          "_id": "rs0",
-          "members": [
-            { "_id": 0, "host": "mongo1:27017" }
-          ]
-        };
-        rs.initiate(cfg);
-      EOF
-    resources: {}
-  restartPolicy: Never
-  volumes:
-    - name: mongodb-claim0
-      persistentVolumeClaim:
-        claimName: mongodb-claim0
-status: {}
-