go install github.com/semonte/sisu@latest

sudo apt install fuse    # Ubuntu/Debian
sudo yum install fuse    # RHEL/CentOS

sisu

~/.sisu/mnt/
├── default/              # AWS profile
│   ├── global/           # IAM, S3, Route 53 (region-independent)
│   │   ├── iam/
│   │   ├── route53/
│   │   └── s3/
│   ├── us-east-1/        # Regional services
│   │   ├── cloudfront/
│   │   ├── ec2/
│   │   ├── ecs/
│   │   ├── lambda/
│   │   ├── logs/
│   │   ├── secrets/
│   │   ├── ssm/
│   │   └── vpc/
│   └── eu-west-1/
│       └── ...
├── prod/                 # Other profiles from ~/.aws/credentials
└── staging/

# Who has admin access?
grep -l "AdministratorAccess" */global/iam/users/*/policies.json

# Security groups with SSH open
grep -r '"FromPort": 22' */us-east-1/vpc/*/security-groups/

# Roles that Lambda can assume
grep -l "lambda.amazonaws.com" */global/iam/roles/*/info.json

# Secrets in SSM?
grep -r "password" */us-east-1/ssm/

# Lambda functions with secrets in env vars
grep -r "PASSWORD\|SECRET\|API_KEY" */us-east-1/lambda/*/env.json

# Functions using deprecated runtimes
grep -r "python3.8\|nodejs16" */*/lambda/*/config.json

# EC2 instances with public IPs
grep -r "PublicIpAddress" */*/ec2/*/info.json

# Find stopped instances (wasting money?)
grep -r '"Name": "stopped"' */*/ec2/*/info.json

# Connect to an EC2 instance via SSM (no SSH keys needed!)
./default/us-east-1/ec2/i-abc123/connect

# View EC2 boot logs and kernel messages
cat default/us-east-1/ec2/i-abc123/console.log

# View all secrets
ls */us-east-1/secrets/

# Read a secret value
cat default/us-east-1/secrets/myapp/database/value

# List all DNS zones
ls */global/route53/

# View DNS records for a zone
cat default/global/route53/example.com/records.json

# Find all CNAME records
grep -r '"Type": "CNAME"' */global/route53/*/records.json

# Grep recent logs for errors
grep -i "error" default/us-east-1/logs/aws/lambda/my-function/latest.log

# View all log groups
ls */us-east-1/logs/

# List log streams (shows 20 most recent)
ls default/us-east-1/logs/aws/lambda/my-function/

# View events from a specific stream
cat default/us-east-1/logs/aws/lambda/my-function/2024_01_15_abc123/events.log

# ECS: Browse clusters, services, and tasks
ls default/us-east-1/ecs/my-cluster/my-service/
cat default/us-east-1/ecs/my-cluster/my-service/logs/latest.log

# CloudFront: View distributions and functions
ls default/us-east-1/cloudfront/distributions/
cat default/us-east-1/cloudfront/functions/my-auth/code.js

# S3: Check bucket policies and access settings
cat default/global/s3/my-bucket/.meta/policy.json
cat default/global/s3/my-bucket/.meta/public-access-block.json

# Compare IAM roles between accounts
diff prod/global/iam/roles/api/info.json staging/global/iam/roles/api/info.json

# Security group drift between regions
diff default/us-east-1/vpc/vpc-xxx/security-groups/sg-xxx.json default/eu-west-1/vpc/vpc-yyy/security-groups/sg-yyy.json

# Lambda config differences
diff prod/us-east-1/lambda/my-func/config.json staging/us-east-1/lambda/my-func/config.json

# Pretty print with jq
cat default/global/iam/roles/my-role/info.json | jq '.AssumeRolePolicyDocument'

# Count your roles
ls default/global/iam/roles/ | wc -l

# Find untagged resources
cat default/us-east-1/vpc/vpc-xxx/info.json | jq 'select(.Tags == null)'

# List all Lambda runtimes in use
grep -h "Runtime" */*/lambda/*/config.json | sort | uniq -c

cat default/us-east-1/ssm/myapp/database-url          # read
echo "postgres://prod:5432" > default/us-east-1/ssm/database-url  # write
vim default/us-east-1/ssm/myapp/config                # edit

cp local.txt default/global/s3/my-bucket/backup/
cat default/global/s3/my-bucket/logs/app.log | grep ERROR
rm default/global/s3/my-bucket/old-file.txt

sisu                                    # Start at root
sisu --profile prod                     # Start in prod/
sisu --profile prod --region us-east-1  # Start in prod/us-east-1/
sisu stop                               # Unmount
sisu --debug                            # Debug logging

# Fetches only enough batches to find the match
grep "ERROR" .../my-stream/events.log

# Fetches just the first batch
head -50 .../my-stream/events.log

# Scroll through with on-demand loading
less .../my-stream/events.log

# Will fetch all events
cat .../my-stream/events.log | wc -l

# Lambda function logs
cat default/us-east-1/lambda/my-function/logs/latest.log

# EC2 instance logs (searches for log groups containing instance ID)
cat default/us-east-1/ec2/i-abc123/logs/latest.log

# ECS service logs
cat default/us-east-1/ecs/my-cluster/my-service/logs/latest.log

# CloudFront function logs
cat default/us-east-1/cloudfront/functions/my-auth/logs/latest.log

ecs/
├── my-cluster/
│   ├── web-service/
│   │   ├── info.json          # Service configuration
│   │   ├── logs/
│   │   │   └── latest.log     # Streaming service logs
│   │   └── tasks/
│   │       └── abc123/
│   │           └── info.json  # Task details
│   └── api-service/
│       └── ...

# List all ECS clusters
ls default/us-east-1/ecs/

# View service configuration
cat default/us-east-1/ecs/my-cluster/web-service/info.json

# Stream service logs
cat default/us-east-1/ecs/my-cluster/web-service/logs/latest.log

# List running tasks
ls default/us-east-1/ecs/my-cluster/web-service/tasks/

cloudfront/
├── distributions/
│   └── E1ABC123/
│       ├── info.json          # Distribution config
│       └── origins.json       # Origins with OAC/OAI info
└── functions/
    └── my-auth/
        ├── code.js            # Function source code
        ├── config.json        # Function configuration
        └── logs/
            └── latest.log     # Function execution logs

# List distributions
ls default/us-east-1/cloudfront/distributions/

# Check origin access configuration (debug S3 access issues!)
cat default/us-east-1/cloudfront/distributions/E1ABC123/origins.json

# View and edit CloudFront function code
cat default/us-east-1/cloudfront/functions/my-auth/code.js

# Debug function execution
cat default/us-east-1/cloudfront/functions/my-auth/logs/latest.log

# View bucket policy
cat default/global/s3/my-bucket/.meta/policy.json

# Check public access block settings
cat default/global/s3/my-bucket/.meta/public-access-block.json

ls default/us-east-1/ec2/i-abc123/
# info.json  security-groups.json  tags.json  console.log  connect  fs/  logs/

./default/us-east-1/ec2/i-abc123/connect

cat default/us-east-1/ec2/i-abc123/console.log

# List files on the instance
ls default/us-east-1/ec2/i-abc123/fs/etc/

# Read remote files
cat default/us-east-1/ec2/i-abc123/fs/etc/hostname

# Grep across remote logs
grep ERROR default/us-east-1/ec2/i-abc123/fs/var/log/syslog

# Compare configs between instances
diff prod/us-east-1/ec2/i-111/fs/etc/nginx/nginx.conf \
     prod/us-east-1/ec2/i-222/fs/etc/nginx/nginx.conf

# Browse and preview any resource interactively
find */global/iam/roles -name "info.json" | fzf --preview 'jq . {}'

# Find Lambda functions with high memory
jq -r 'select(.MemorySize > 512) | .FunctionName' */us-east-1/lambda/*/config.json

# Compare prod vs staging config
difft prod/us-east-1/lambda/api/config.json staging/us-east-1/lambda/api/config.json

cd ~/.sisu/mnt && claude

"Find security groups that allow SSH from 0.0.0.0/0"
"Review IAM roles for overly permissive policies"
"Compare prod and staging Lambda configs"

# Check cluster status - no instances registered
cat ecs/jobdeck-cluster/info.json | jq '.RegisteredContainerInstancesCount'
# → 0

# Check service config - using EC2 launch type
cat ecs/jobdeck-cluster/jobdeck-api/info.json | jq '.LaunchType, .FailedTasks'
# → "EC2", 136

# EC2 instance exists - check its ECS config
cat ec2/i-xxx/fs/etc/ecs/ecs.config
# → ECS_CLUSTER=jobdeck-cluster ✓

# Check ECS agent logs - no agent log!
ls ec2/i-xxx/fs/var/log/ecs/
# → ecs-volume-plugin.log (missing ecs-agent.log!)

# Check what AMI is running
cat ec2/i-xxx/fs/etc/image-id
# → image_name="amzn2-ami-minimal-hvm"  ← NOT ECS-optimized!