* Support removing unhealthy machine manually
* Auto removal support for dead machine
* Auto hidden for app if one have no healthy machine after some time(configurable)
* Auto removal for app if hidden status lasts(configurable).

By upgrading G2 lib to version 3.4.10

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- fix ConcurrentModificationException of listResourcesOfApp method

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Carpenter Lee <hooleeucas@163.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Make fallbackToLocalWhenFail of cluster rules configurable in dashboard
- Fix edit rule when hit cancel button (object share problem solved by deep copy)
- Add metric table td header's title for friendly prompt info

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Add cluster server list and assign page and client list page (for a specific app)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Add cluster token server management controller and service for app
- Other enhancements and fixes

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Do not remove the first node

- the wrong `isEmpty` check causes the rule cannot be deleted

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Update SentinelApiClient to support new-added command APIs
- Add controller for cluster config
- Add flow controller v2 for global rule pulling / pushing
- Extract dynamic rule provider and publisher interface for customized extensions
- Add basic cluster config service
- Add basic Nacos integration (in test as an example)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Use AngularJS binding model directly rather than jQuery DOM-based operation

- Increase padding-left value of G2.chart in sentinel-dashboard

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Fixes #231: when resource name is too long in resource page, the name will jump out and cover other layout
- Hide `origin` input view in degrade rule dialog
- Refine style and color of buttons in dialogs
- Add support for exception count in degrade rule
- Other improvements

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Receiving "No metrics" response won't cause error log
- Improve log about fetching metrics

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Decouple rule checking from controller (now in service)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Avoid ConcurrentModificationException when `getMachines()` by deep clone the machine map
- Enhance the code to avoid potential ConcurrentModificationException
- Add test cases

- Enhance rule checking in rule managers and Sentinel Dashboard frontend
- Enhance error information when reporting invalid fields in rule dialog

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

- Update dashboard API client to support authority rule commands
- Add REST API and frontend page for authority rules

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Fixes #22 (by @jasonjoo2010)

- Update dashboard API client to support authority and parameter flow commands
- Add REST API controller for parameter flow rules in dashboard
- Add pages for configuring parameter flow rules
- Update dependencies: upgrade Spring Boot to 2.x and remove unused dependencies
- Other refinements

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

normalize metric fields and methods:
- rename exception to exceptionQps;
- remove ed postfix of all fields and methods about metrics;

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

Signed-off-by: Eric Zhao <sczyh16@gmail.com>