Saw

saw is a multi-purpose tool for AWS CloudWatch Logs

Features

Colorized output that can be formatted in various ways
- --expand Explode JSON objects using indenting
- --rawString Print JSON strings instead of escaping ("\n", ...)
- --invert Invert white colors to black for light color schemes
- --raw, or --pretty, for watch and get commands respectively, toggles display of the timestamp and stream name prefix.
Filter logs using CloudWatch patterns
- --filter foo Filter logs for the text "foo"
Watch aggregated interleaved streams across a log group
- saw watch production Stream logs from production log group
- saw watch production --prefix api Stream logs from production log group with prefix "api"

Usage

Basic

# Get list of log groups
saw groups

# Get list of streams for production log group
saw streams production

Watch

# Watch production log group
saw watch production

# Watch production log group streams for api
saw watch production --prefix api

# Watch production log group streams for api and filter for "error"
saw watch production --prefix api --filter error

Get

# Get production log group for the last 2 hours
saw get production --start -2h

# Get production log group for the last 2 hours and filter for "error"
saw get production --start -2h --filter error

# Get production log group for api between 26th June 2018 and 28th June 2018
saw get production --prefix api --start 2018-06-26 --stop 2018-06-28

Profile and Region Support

By default Saw uses the region and credentials in your default profile. You can override these to your liking using the command line flags:

# Use personal profile
saw groups --profile personal

# Use us-west-1 region
saw groups --region us-west-1

Installation

Run from Docker

docker run --rm -it -v ~/.aws:$HOME/.aws tbrock/saw

Mac OS X

brew tap TylerBrock/saw
brew install saw

Linux

Arch Linux (source)

# Using yay
yay saw

# Using makepkg
git clone https://aur.archlinux.org/saw.git
cd saw
makepkg -sri

Red Hat Based Distributions (Fedora/RHEL/CentOS/Amazon Linux)

rpm -i <link_to_rpm_you_need_from_releases>

Debian Based Distributions (Debian/Ubuntu)

wget <link_to_deb_you_need_from_releases>
sudo dpkg -i <the_deb_name>

Manual Install/Update

Install go
Configure your GOPATH and add $GOPATH/bin to your path
Run go install github.com/TylerBrock/saw@latest

Windows Specifics

Add %GOPATH%/bin to your path (optional)
Run from gopath/bin (If not in your path)
```
cd %GOPATH%/bin
saw ...
```

Alternatively you can hard code these in your shell's init scripts (bashrc, zshrc, etc...):

# Export profile and region that override the default
export AWS_PROFILE='work_profile'
export AWS_REGION='us-west-1'

Run Tests

From root of repository: go test -v ./...

TODO

Bash + ZSH completion of log groups + (streams?)
Create log streams and groups
Delete log streams and groups
Basic tests

TylerBrock / saw

Saw