feat: add cron

.gitignore

@@ -37,5 +37,6 @@ yarn-error.log*
 !/.projenrc.js
 !/.versionrc.json
 !/LICENSE
+!/docker-compose.yml
 !/package.json
 !version.json

.projenrc.js

@@ -1,4 +1,4 @@
-const { NodeProject, ProjectType, SampleReadme } = require('projen');
+const { NodeProject, ProjectType, DockerCompose } = require('projen');
 
 const project = new NodeProject({
   authorAddress: '[email protected]',
@@ -9,4 +9,23 @@ const project = new NodeProject({
 
 });
 
+new DockerCompose(project, {
+  version: '3.9',
+  services: {
+    influxdbs3backup: {
+      imageBuild: {
+        context: '.',
+      },
+      environment: {
+        DATABASE: 'mydatabase',
+        DATABASE_HOST: '1.2.3.4',
+        S3_BUCKET: 'mybackupbucket',
+        AWS_ACCESS_KEY_ID: 'AKIAIOSFODNN7EXAMPLE',
+        AWS_SECRET_ACCESS_KEY: 'wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY',
+        AWS_DEFAULT_REGION: 'us-west-2',
+      },
+    }
+},
+});
+
 project.synth();

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+  "folders": [],
+  "settings": {},
+  "editor.formatOnSave": true,
+  "prettier.singleQuote": true,
+  "prettier.trailingComma": "all",
+}

Dockerfile

@@ -1,8 +1,8 @@
 FROM influxdb:1.8.3
 
-RUN apt update -y && apt install awscli -y
+RUN apt update -y && apt install awscli cron -y
 
-COPY influxdb-to-s3.sh /usr/bin/influxdb-to-s3
+COPY influxdb-to-s3.sh /usr/bin/influxdb-to-s3.sh
 
-ENTRYPOINT ["/usr/bin/influxdb-to-s3"]
-CMD ["cron", "0 1 * * *"]
+ENTRYPOINT ["/usr/bin/influxdb-to-s3.sh"]
+CMD ["startcron"]

README.md

@@ -5,4 +5,4 @@
     ...
 
 # Thanks To:
-    ...
+* Jacob Tomlinson https://github.com/jacobtomlinson/docker-influxdb-to-s3

docker-compose.yml

@@ -0,0 +1,14 @@
+
+version: '3.3'
+
+services:
+  influxdbs3backup:
+    build:
+      context: .
+    environment:
+      DATABASE: mydatabase
+      DATABASE_HOST: localhost
+      S3_BUCKET: mybackupbucket
+      AWS_ACCESS_KEY_ID: AKIAIOSFODNN7EXAMPLE
+      AWS_SECRET_ACCESS_KEY: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
+      AWS_DEFAULT_REGION: us-west-2

influxdb-to-s3.sh

@@ -2,6 +2,7 @@
 
 set -e
 
+export S3_BUCKET=${S3_BUCKET}
 # Check and set missing environment vars
 : ${S3_BUCKET:?"S3_BUCKET env variable is required"}
 if [[ -z ${S3_KEY_PREFIX} ]]; then
@@ -18,13 +19,26 @@ export DATABASE_HOST=${DATABASE_HOST:-localhost}
 export DATABASE_PORT=${DATABASE_PORT:-8088}
 export DATABASE_META_DIR=${DATABASE_META_DIR:-/var/lib/influxdb/meta}
 export DATABASE_DATA_DIR=${DATABASE_DATA_DIR:-/var/lib/influxdb/data}
+export CRON=${CRON:-"* * * * *"}
 export DATETIME=$(date "+%Y%m%d%H%M%S")
 
 # Add this script to the crontab and start crond
-cron() {
+startcron() {
+  echo "export S3_BUCKET=$S3_BUCKET" >> $HOME/.profile
   echo "Starting backup cron job with frequency '$1'"
-  echo "$1 $0 backup" > /var/spool/cron/crontabs/root
-  crond -f
+
+  echo "$1 . $HOME/.profile; $0 backup >> /var/log/cron.log 2>&1" > /etc/cron.d/influxdbbackup
+
+  cat /etc/cron.d/influxdbbackup
+
+  # Apply cron job
+  crontab /etc/cron.d/influxdbbackup
+
+  # Create the log file to be able to run tail
+  touch /var/log/cron.log
+
+  # cat /var/spool/cron/crontabs/root
+  cron && tail -f /var/log/cron.log
 }
 
 # Dump the database to a file and push it to S3
@@ -107,8 +121,8 @@ restore() {
 
 # Handle command line arguments
 case "$1" in
-  "cron")
-    cron "$2"
+  "startcron")
+    startcron "$CRON"
     ;;
   "backup")
     backup
@@ -118,5 +132,5 @@ case "$1" in
     ;;
   *)
     echo "Invalid command '$@'"
-    echo "Usage: $0 {backup|restore|cron <pattern>}"
+    echo "Usage: $0 {backup|restore|startcron}"
 esac