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Cloud Custodian - Cloud Watch Log S3 exporter

Project description

c7n-log-exporter: Cloud watch log exporter automation

A small serverless app to archive cloud logs across accounts to an archive bucket. It utilizes cloud log export to s3 feature for historical exports.

It also supports kinesis streams / firehose to move to realtime exports in the same format as the periodic historical exports.

Features

  • Log group filtering by regex
  • Incremental support based on previously synced dates
  • Incremental support based on last log group write time
  • Cross account via sts role assume
  • Lambda and CLI support.
  • Day based log segmentation (output keys look like $prefix/$account_id/$group/$year/$month/$day/$export_task_uuid/$stream/$log)

Assumptions

Cli usage

make install

You can run on a single account / log group via the export subcommand

c7n-log-exporter export --help

Config format

To ease usage when running across multiple accounts, a config file can be specified, as an example.

destination:
  bucket: custodian-log-archive
  prefix: logs2

accounts:
  - name: custodian-demo
    role: "arn:aws:iam::111111111111:role/CloudCustodianRole"
    groups:
      - "/aws/lambda/*"
      - "vpc-flow-logs"

Multiple accounts via cli

To run on the cli across multiple accounts, edit the config.yml to specify multiple accounts and log groups.

c7n-log-exporter run --config config.yml

Serverless Usage

Edit config.yml to specify the accounts, archive bucket, and log groups you want to use.

make install
make deploy

Project details


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