lambda

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IP-Ranges Updater

Back in March I wrote about a command line script filter-ip-ranges that can parse the Amazon-published ip-ranges.json file and look up address ranges by region, service or IP address. That's handy for the occasional manual use or for creating or updating some whitelists or Security Groups through aws-cli. But running an aws-cli script from cron [...]

By |December 28th, 2018|Projects|2 Comments

CloudWatch Log Mailer

Feeding logs from various AWS services to CloudWatch Logs is a common pattern. From Lambda logs, through ECS Task logs, to Linux /var/log/* messages forwarded by awslogs daemon, they can end up in CloudWatch. How can we monitor them - and get alerted - when something of interest gets logged? People often use Elastic Search, [...]

By |June 30th, 2018|Projects|0 Comments