Note: this is a draft written by individual(s) and no way represents the guidance or stand of the CloudStack PMC.
Start: http://theapacheway.com/ and http://cloudstack.apache.org/contribute.html
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Join the mailing lists (at least the users and dev ML): http://cloudstack.apache.org/mailing-lists.html
Read the bylaws: http://cloudstack.apache.org/bylaws.html
Onboard and get familiar with various project and developer resources: http://cloudstack.apache.org/developers.html
Suggestion: Contributing to CloudStack
Caveat: it's not mandatory to contribute only code to become a committer but that's a known path, there are also other MUCH needed roles and contributions in non-technical areas such as marketing and promotion and general participation (on mailing lists, Github, events and conferences), documentation, architecture/design, issue reporting and release testing and voting.
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