From da0b3fd6532fc5581b2d9bdba8f65c04b6ed28fe Mon Sep 17 00:00:00 2001
From: Ricthofen <jazzplato@gmail.com>
Date: Tue, 15 Dec 2020 20:15:41 -0500
Subject: [PATCH 1/2] add shell scripts for timescale backup

---
 deployments/scripts/backup_timescale.sh | 28 +++++++++++++++++++++++++
 deployments/scripts/create_nfs_mount.sh | 18 ++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 deployments/scripts/backup_timescale.sh
 create mode 100644 deployments/scripts/create_nfs_mount.sh

diff --git a/deployments/scripts/backup_timescale.sh b/deployments/scripts/backup_timescale.sh
new file mode 100644
index 00000000..8826545c
--- /dev/null
+++ b/deployments/scripts/backup_timescale.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+STR_DATE="$(date '+%Y_%m_%d')"
+DIR_TIMESCALEDB="/data/backup/timescaledb"
+FILE_BACKUP="$DIR_TIMESCALEDB/timescaledb_dump_$STR_DATE.sql"
+CLEAN_CYCLE=5
+
+# timescaledb info
+PRODUCTION_DB_USER="$(cat /data/secrets/production/pss_db_user)"
+PRODUCTION_DB_PASSWORD="$(cat /data/secrets/production/pss_db_password)"
+PRODUCTION_DB_HOST="incrudibles-production.db.pdl.cmu.edu"
+PRODUCTION_DB_PORT="32003"
+PRODUCTION_DB_NAME="postgresql://$PRODUCTION_DB_USER:$PRODUCTION_DB_PASSWORD@$PRODUCTION_DB_HOST:$PRODUCTION_DB_PORT/pss_database?sslmode=disable"
+
+# install pg_dump if not installed
+which pg_dump > /dev/null
+if [ $? -ne 0 ]; then
+    sudo /usr/bin/apt update -y
+    sudo /usr/bin/apt install postgresql-client
+fi
+
+# create the timescaledb backup dir if not exists
+/bin/mkdir $DIR_TIMESCALEDB
+
+# dump the timescaledb
+/usr/bin/pg_dump -d $PRODUCTION_DB_NAME -f $FILE_BACKUP
+
+# delete redundant outdated backups
+/usr/bin/find $DIR_TIMESCALEDB/* -mtime +$CLEAN_CYCLE -delete
diff --git a/deployments/scripts/create_nfs_mount.sh b/deployments/scripts/create_nfs_mount.sh
new file mode 100644
index 00000000..7544e865
--- /dev/null
+++ b/deployments/scripts/create_nfs_mount.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+REMOTE_DIR="basket.pdl.local.cmu.edu:/cmudb-testingteam-backup"
+LOCAL_DIR="/data/backup"
+
+# install nfs-common if not installed
+which mount > /dev/null
+if [ $? -ne 0 ]; then
+    sudo apt update -y
+    sudo apt install nfs-common
+fi
+
+# create the local backup dir if not exists
+mkdir -p $LOCAL_DIR
+
+# mount the local backup dir to remote nfs if not mounted
+if [ "$(stat -f -L -c %T $LOCAL_DIR)" != "nfs" ]; then 
+    mount $REMOTE_DIR $LOCAL_DIR
+fi

From 6717021ea8ac53c8be7e43f7fc51572d56ac2266 Mon Sep 17 00:00:00 2001
From: Ricthofen <jazzplato@gmail.com>
Date: Tue, 15 Dec 2020 20:16:46 -0500
Subject: [PATCH 2/2] add comment for crontab

---
 deployments/scripts/backup_timescale.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/deployments/scripts/backup_timescale.sh b/deployments/scripts/backup_timescale.sh
index 8826545c..44965ca4 100644
--- a/deployments/scripts/backup_timescale.sh
+++ b/deployments/scripts/backup_timescale.sh
@@ -1,4 +1,8 @@
 #!/bin/bash
+
+# This script is run on daily basis as a cronjob
+# 0 0 * * * /bin/bash /data/scripts/backup_timescale.sh > /dev/null
+
 STR_DATE="$(date '+%Y_%m_%d')"
 DIR_TIMESCALEDB="/data/backup/timescaledb"
 FILE_BACKUP="$DIR_TIMESCALEDB/timescaledb_dump_$STR_DATE.sql"