From 32cb93d1358d0ce8edaa07cd30f45067871d22a3 Mon Sep 17 00:00:00 2001
From: Prabhjot Singh Sethi <prabhjot.sethi@gmail.com>
Date: Mon, 7 Apr 2025 10:11:00 +0000
Subject: [PATCH] Enable Change streams for the dev mongodb deployment

Signed-off-by: Prabhjot Singh Sethi <prabhjot.sethi@gmail.com>
---
 scripts/.gitignore         |  3 +++
 scripts/mongod.conf        |  4 ++++
 scripts/run-mongodb-dev.sh | 21 ++++++++++++++++++++-
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 scripts/.gitignore
 create mode 100644 scripts/mongod.conf

diff --git a/scripts/.gitignore b/scripts/.gitignore
new file mode 100644
index 0000000..d7aac37
--- /dev/null
+++ b/scripts/.gitignore
@@ -0,0 +1,3 @@
+# generated key file, for mongodb auth
+# avoid pushing to repo
+mongod_key
diff --git a/scripts/mongod.conf b/scripts/mongod.conf
new file mode 100644
index 0000000..b0fa332
--- /dev/null
+++ b/scripts/mongod.conf
@@ -0,0 +1,4 @@
+security:
+  keyFile: /etc/mymongo/mongod_key
+replication:
+  replSetName: "rs0"
\ No newline at end of file
diff --git a/scripts/run-mongodb-dev.sh b/scripts/run-mongodb-dev.sh
index bd16a37..f7c3b6a 100755
--- a/scripts/run-mongodb-dev.sh
+++ b/scripts/run-mongodb-dev.sh
@@ -2,4 +2,23 @@
 
 set -ex
 
-sudo docker run -d --network host --name mongodb -e MONGO_INITDB_ROOT_USERNAME=root -e MONGO_INITDB_ROOT_PASSWORD=password mongo:8.0.6
+SCRIPT_DIR=$(dirname $0)
+
+if test -e "$SCRIPT_DIR/mongod.conf"
+then
+    CONFIG_FLAG="--config /etc/mymongo/mongod.conf"
+    VOLUME_FLAG="-v $SCRIPT_DIR:/etc/mymongo"
+
+    if test -e "$SCRIPT_DIR/mongod_key"
+    then
+        echo "skipping key generation"
+    else
+        openssl rand -base64 756 > $SCRIPT_DIR/mongod_key
+        chmod 400 $SCRIPT_DIR/mongod_key
+    fi
+    sudo chown 999:999 $SCRIPT_DIR/mongod_key
+fi
+
+sudo docker run -d --network host --name mongodb ${VOLUME_FLAG} -e MONGO_INITDB_ROOT_USERNAME=root -e MONGO_INITDB_ROOT_PASSWORD=password mongo:8.0.6 ${CONFIG_FLAG}
+sleep 10
+sudo docker exec -i mongodb mongosh -u root -p password --eval 'rs.initiate()'