feat: migrate from bash to zsh

Dockerfile

@@ -54,4 +54,4 @@ ADD s3-backup.sh /usr/bin/s3-backup
 
 WORKDIR /app
 
-CMD ["bash"]
+CMD ["zsh"]

README.md

@@ -3,7 +3,7 @@
 
 - AWS S3 Credentials. Regardless of whether you backup google team drives or github repos, you will need these environment variables to be set:
 
-```bash
+```zsh
 export AWS_DEFAULT_REGION=us-west-2 # must be the same region as the bucket
 export S3_BUCKET_NAME="bucket-name"
 export AWS_ACCESS_KEY_ID=XXXXXXXXXXXXXXXXXXXXX 
@@ -14,7 +14,7 @@ export AWS_SECRET_ACCESS_KEY=XXXXXXXXXXXXXXXXXXXXX
 
 Following variables must be set
 
-```bash
+```zsh
 export GITHUB_ORG_TO_BACKUP="GlueOps" # Set this to the organization you want to backup. The GITHUB_TOKEN must have read access to all the repos in this organization.
 export GITHUB_TOKEN="" # GitH needs to have read access to all repositories within the organization. We use the fine grained access tokens (beta feature)
 ```
@@ -25,7 +25,7 @@ export GITHUB_TOKEN="" # GitH needs to have read access to all repositories with
 
 - Example backup
 
-```bash
+```zsh
 docker build . -t backup && docker run -it backup
 # Export ALL the variables required as mentioned in this README.md and then run:
 backup-github
@@ -40,14 +40,14 @@ backup-github
 
 Following variables must be set
 
-```bash
+```zsh
 export RCLONE_DRIVE_SERVICE_ACCOUNT_CREDENTIALS='<<json-without \n (newlines)>>' # Get this from the IAM user in the rclone google cloud service account project and remove all newlines \n
 export RCLONE_DRIVE_TEAM_DRIVE="XXXXXXXXXXXXXX" # team drive id ex. `0ZZH9DD53YuyEaYU7sqb`
 ```
 
 - Example to run a download of the team drive to local
 
-```bash
+```zsh
 docker build . -t backup && docker run -it backup
 # Export ALL the variables required as mentioned in this README.md and then run:
 ./gdrive-backup.sh

github-backup.sh

@@ -1,6 +1,6 @@
-#!/bin/bash
+#!/bin/zsh
 
-set -e
+setopt ERR_EXIT
 
 # Check if required variables are set
 if [[ -z "${GITHUB_ORG_TO_BACKUP}" ]]; then

loki-logcli-backup.sh

@@ -1,5 +1,5 @@
-#!/bin/bash
-set -e
+#!/bin/zsh
+setopt ERR_EXIT
 
 cleanup() {
   echo "Cleaning up..."
@@ -93,4 +93,4 @@ done
 if [ "$ERRORS" -gt 0 ]; then
   echo "ERROR: Found $ERRORS errors. Exiting the script."
   exit 1
-fi
+fi

s3-backup.sh

@@ -1,5 +1,5 @@
-#!/bin/bash
-set -e
+#!/bin/zsh
+setopt ERR_EXIT
 
 # Ensure all required environment variables are set
 if [ -z "$SRC_AWS_ACCESS_KEY_ID" ] || [ -z "$SRC_AWS_SECRET_ACCESS_KEY" ] || [ -z "$DST_AWS_ACCESS_KEY_ID" ] || [ -z "$DST_AWS_SECRET_ACCESS_KEY" ] || [ -z "$SRC_BUCKET" ] || [ -z "$DST_BUCKET" ]; then

test-vault-snapshot/README.md

@@ -19,8 +19,8 @@ If you make an error in the process then it's recommended to delete everything,
 
 Start the container with:
 
-```bash
-docker run -it -p 8200:8200 -v `pwd`/data:/data backup bash
+```zsh
+docker run -it -p 8200:8200 -v `pwd`/data:/data backup zsh
 ```
 
 Run the following script to:
@@ -31,7 +31,7 @@ Run the following script to:
 - Unseal vault
 - Login to vault with the root token
 
-```bash
+```zsh
 mkdir -p /data/raft
 cat > /data/raft/peers.json << EOF
 [
@@ -60,21 +60,21 @@ vault login $root_token
 
 Create an S3 PRESIGNED URL to the backup that we want to restore. Limit the time to 10mins or whatever you feel is appropriate. And then export the url as a variable in the same terminal session from above.
 
-```bash
+```zsh
 S3_PRESIGNED_DOWNLOAD_URL="https://time-sensitive-and-authenticated-url-to-download-backup-from-s3"
 curl -o backup_to_restore.snap $S3_PRESIGNED_DOWNLOAD_URL
 vault operator raft snapshot restore -force backup_to_restore.snap
 ```
 
 # In the same terminal session unseal with the unseal token for the backup you just restored
 
-```bash
+```zsh
 vault operator unseal 55ebb6859b269cd1ce501989ebba821baf84076c28d84008474aa3fddc0a24b3
 ```
 
 # In the same terminal session, login with the root token for the backup you unsealed/restored.
 
-```bash
+```zsh
 vault login hvs.fm0DOOSsPTwqB7rFFNbJgCle
 ```
 

vault-backup.sh

@@ -1,6 +1,6 @@
-#!/bin/bash
+#!/bin/zsh
 
-set -e
+setopt ERR_EXIT
 
 
 date=$(date '+%Y-%m-%d')