meshery: [mesheryctl] Improperly handled unavailability of Meshery Server

See mesheryctl Command Tracker for current status of commands.

Current Behavior

Improperly handled error. Error code 255 is displayed when Meshery Server is not running (when Docker is not running on a Docker-based deployment).

Desired Behavior

User should be informed that Meshery Server is not reachable. Display the current context’s endpoint to the user.

Screenshots/Logs

➜  ~ mesheryctl system status
A new release of mesheryctl is available: Not Set → v0.5.36
https://github.com/layer5io/meshery/releases/tag/v0.5.36
Check https://docs.meshery.io/guides/upgrade#upgrading-meshery-cli for instructions on how to update mesheryctl

Error: exit status 255
Usage:
  mesheryctl system status [flags]

Flags:
  -h, --help   help for status

Global Flags:
      --config string    config file (default location is: /Users/lee/.meshery/config.yaml) (default "/Users/lee/.meshery/config.yaml")
  -c, --context string   (optional) temporarily change the current context.
  -v, --verbose          verbose output
  -y, --yes              (optional) assume yes for user interactive prompts.

Environment

• Host OS: Mac
• Meshery Client Version: stable-v0.5.36
• Platform: Docker

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Contributor Resources

• mesheryctl Contributing Guide
• Beginner’s guide to contributing to Meshery and mesheryctl
• mesheryctl Command Tracker
• Meshery CLI Commands and Documentation
• Layer5 Community Slack