feature(cmd/gossamer): add aliases for cli flags

[edwardmack]

Changes

This PR contains changes to make gossamer more congruent with polkadot CLI commands in order to enable gossamer to work with paritytech zombienet testing framework.

• Add CLI flag no-mdns to alias nomdns.
• Add CLI flag base-path to alias basepath
• Add CLI flag rpc-port to alias rpcport
• Add CLI flag ws-port to alias wsport
• Implement new CLI flag node-key which overrides the secret Ed25519 key to use for libp2p
• Add unit tests for new flags

Tests

go test github.com/ChainSafe/gossamer/cmd/gossamer -run ^TestGlobalConfigFromFlags$ -v
go test github.com/ChainSafe/gossamer/cmd/gossamer -run ^TestNetworkConfigFromFlags$ -v
 go test github.com/ChainSafe/gossamer/cmd/gossamer -run ^TestRPCConfigFromFlags$ -v

Issues

Work done researching issue #2843

Primary Reviewer

@timwu20

[codecov]

Codecov Report

Merging #3098 (c21a69d) into development (abe3601) will decrease coverage by 0.13%.
The diff coverage is 44.59%.

Additional details and impacted files

@@               Coverage Diff               @@
##           development    #3098      +/-   ##
===============================================
- Coverage        51.62%   51.49%   -0.13%     
===============================================
  Files              219      219              
  Lines            28208    28278      +70     
===============================================
  Hits             14561    14561              
- Misses           12336    12394      +58     
- Partials          1311     1323      +12     

[kishansagathiya]

Why are we changing flags from global to local? It changes where we can place these flag in a command.

[edwardmack]

Why are we changing flags from global to local? It changes where we can place these flag in a command.

This was done because we upgraded to v2 of urfave/cli and GlobalString, etc have been deprecated. https://cli.urfave.org/migrate-v1-to-v2/#globalstring-globalbool-and-its-likes-are-deprecated

I don't believe this changes where we can place these flags in a command.

[timwu20]

LGTM, just the one question.

[github-actions]

🎉 This PR is included in version 0.8.0 🎉

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