* Ibex integrate (#1876)

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Co-authored-by: Deke Wang <94156972+wdkcc@users.noreply.github.com>

* refactor update ident

* target add engine name

* refactor: heartbeat hash ring

* target update_ts to redis

* add log

* refactor GetHostUpdateTime

* update heartbeat

* add targets-of-alert-rule

* fix recovery

* refactor:  timeteries handle hook

* configs form user crud

* configs form user crud

* code refactor

* code refactor

* configs for user variable update & add InitRSAConfig for alert.go

* configs for user variable update

* remove InitRSAConfig for alert.go

* add config of Center.Encryption

* migrate for config and set default value

* add annotation for Center.Encryption

* code refactor

* code refactor

* code refactor again

* code refactor

* remove userVariableCheck bool return

* remove userVariableCheck bool return

* optimize InitRSAConfig

* optimize InitRSAConfig

* optimize InitRSAConfig

* macro variable

* optimize config

* remove test function user-variable-ras

* code refactor config_cache

* code refactor again

* code refactor again

* ReplaceMacroVariables return string value & optimize code

* add user variable check on ckey, it is not recommended to use the period "."

* change configs ckey+external=uniqueness

* configs add add external value

* configs remove isInternal check(ckey is no longer unique field)

* update userVariableCheck

* migrate drop unique filed limit

* refactor rsa generate logic. read key pairs from config.toml(HTTP.RSA) if file is not exist generate rsa key paris and saving to database(configs).

* Improve the RSA key generation logic. In the first step, attempt to read key pairs from the database or the 'config.toml' file. If they don't exist, generate a new set of key pairs and store them in the database.

* optimize code

* ckey use C-style naming convention and optimize smtp validations

* change email logger. print host & port

* update init rsa config logically

* update migrate about DropUniqueFiled

* update migrate about DropUniqueFiled

* make migrating at the first step

* move config of rsa. generate in db.

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Co-authored-by: shardingHe <wangzihe@flashcat.cloud>
Co-authored-by: Yening Qin <710leo@gmail.com>

* refactor: add alert stats

* add tdengine

* add sql tpl api

* check the configuration for the CenterApi in the edge model

* set default timeout 5000 ms

* Update edge.go

* Update post.go

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Co-authored-by: shardingHe <wangzihe@flashcat.cloud>
Co-authored-by: Yening Qin <710leo@gmail.com>

* add interface of validation rule

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Co-authored-by: shardingHe <wangzihe@flashcat.cloud>
Co-authored-by: Yening Qin <710leo@gmail.com>

* refactor host heartbeat