CREATING S3 BUCKET USING SHELL SCRIPT #11
Conversation
WalkthroughA new shell script named Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant Script
participant AWS CLI
participant AWS S3
User->>Script: Run create_s3.sh
Script->>Script: check_awscli()
alt AWS CLI not installed
Script->>Script: install_awscli()
end
Script->>AWS CLI: Check if bucket exists (head-bucket)
alt Bucket exists
Script->>User: Output "Bucket already exists"
else
Script->>AWS CLI: Create bucket
AWS CLI->>AWS S3: Create bucket API call
Script->>User: Output "Bucket created"
end
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Actionable comments posted: 2
🧹 Nitpick comments (3)
day05Yatin/create_s3.sh (3)
33-38: Quote variables and enhance region support
Currently you useaws s3 mb, which works in us-east-1 but may require a location constraint elsewhere. Also, unquoted variables can break on special characters.Example snippet:
create_s3_bucket(){ local BUCKET_NAME="$1" local REGION="$2" if [ "$REGION" = "us-east-1" ]; then aws s3 mb "s3://$BUCKET_NAME" --region "$REGION" else aws s3api create-bucket \ --bucket "$BUCKET_NAME" \ --region "$REGION" \ --create-bucket-configuration LocationConstraint="$REGION" fi echo "S3 bucket '$BUCKET_NAME' created in region '$REGION'." }
40-51: Parameterize bucket name & region
Hard-codingyatins-bucketandus-east-1limits reuse. Consider accepting CLI args or environment variables to make this script reusable across projects.Sample addition at top of
main():main(){ if [ $# -ge 2 ]; then BUCKET_NAME="$1" REGION="$2" else echo "Usage: $0 <bucket-name> <region>" exit 1 fi check_awscli … }
53-54: Ensure executable bit and final newline
Add a newline at EOF and verify you’ve runchmod +x create_s3.shbefore distribution.
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📒 Files selected for processing (1)
day05Yatin/create_s3.sh(1 hunks)
🧰 Additional context used
🪛 Shellcheck (0.10.0)
day05Yatin/create_s3.sh
[warning] 5-5: This redirection doesn't have a command. Move to its command (or use 'true' as no-op).
(SC2188)
🔇 Additional comments (2)
day05Yatin/create_s3.sh (2)
1-3: Strict mode and shebang usage
Great use of#!/bin/bashalong withset -euo pipefailto enforce strict error handling and fail-fast behavior.
10-17: AWS CLI presence check
Thecheck_awsclifunction correctly verifies installation and encapsulates logic into a reusable function.
| install_awscli(){ | ||
| # Download and install AWS CLI v2 | ||
| curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" | ||
| sudo apt-get install -y unzip &> /dev/null | ||
| unzip -q awscliv2.zip | ||
| sudo ./aws/install | ||
|
|
||
| # Verify installation | ||
| aws --version | ||
|
|
||
| # Clean up | ||
| rm -rf awscliv2.zip ./aws | ||
| } |
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🛠️ Refactor suggestion
Support cross-distro installation of unzip
Right now, you assume an APT-based distro. If the user is on RHEL/CentOS or another flavor, apt-get will fail. Detect the package manager and handle accordingly.
Proposed diff:
install_awscli(){
@@
- sudo apt-get install -y unzip &> /dev/null
+ if command -v apt-get &> /dev/null; then
+ sudo apt-get install -y unzip &> /dev/null
+ elif command -v yum &> /dev/null; then
+ sudo yum install -y unzip &> /dev/null
+ else
+ echo "Error: Unsupported package manager. Please install 'unzip' manually."
+ exit 1
+ fi
@@
# Verify installation
aws --version
@@
# Clean up
rm -rf awscliv2.zip ./aws📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| install_awscli(){ | |
| # Download and install AWS CLI v2 | |
| curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" | |
| sudo apt-get install -y unzip &> /dev/null | |
| unzip -q awscliv2.zip | |
| sudo ./aws/install | |
| # Verify installation | |
| aws --version | |
| # Clean up | |
| rm -rf awscliv2.zip ./aws | |
| } | |
| install_awscli(){ | |
| # Download and install AWS CLI v2 | |
| curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" | |
| if command -v apt-get &> /dev/null; then | |
| sudo apt-get install -y unzip &> /dev/null | |
| elif command -v yum &> /dev/null; then | |
| sudo yum install -y unzip &> /dev/null | |
| else | |
| echo "Error: Unsupported package manager. Please install 'unzip' manually." | |
| exit 1 | |
| fi | |
| unzip -q awscliv2.zip | |
| sudo ./aws/install | |
| # Verify installation | |
| aws --version | |
| # Clean up | |
| rm -rf awscliv2.zip ./aws | |
| } |
| << TASK | ||
| NAME: YATIN | ||
| TASK: CREATE S3 BUCKET USING SHELL SCRIPT | ||
| TASK |
There was a problem hiding this comment.
Misuse of here-document for metadata comments
A heredoc (<< TASK … TASK) without a command will break the script (SC2188). It’s better to convert this block into shell comments or prepend a no-op.
Suggested diff:
- << TASK
- NAME: YATIN
- TASK: CREATE S3 BUCKET USING SHELL SCRIPT
- TASK
+ # NAME: YATIN
+ # TASK: CREATE S3 BUCKET USING SHELL SCRIPT📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| << TASK | |
| NAME: YATIN | |
| TASK: CREATE S3 BUCKET USING SHELL SCRIPT | |
| TASK | |
| # NAME: YATIN | |
| # TASK: CREATE S3 BUCKET USING SHELL SCRIPT |
🧰 Tools
🪛 Shellcheck (0.10.0)
[warning] 5-5: This redirection doesn't have a command. Move to its command (or use 'true' as no-op).
(SC2188)
1 participant
Creating a S3 Bucket in AWS using Shell Script.
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