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feat(agent): add ReverseProxy method and enhance Forward method

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- Introduced ReverseProxy method to handle requests to the agent with context, method, and body.
- Updated Forward method to return *http.Response instead of byte data.
- Enhanced SystemInfo function to support querying by agent name in addition to agent address.
This commit is contained in:
yusing
2025-09-14 00:09:07 +08:00
parent b64725f2f8
commit 1e1999b0af
2 changed files with 37 additions and 15 deletions
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23
internal/api/v1/metrics/system_info.go
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@@ -11,17 +11,16 @@ import (
"github.com/yusing/go-proxy/internal/metrics/period"
"github.com/yusing/go-proxy/internal/metrics/systeminfo"
"github.com/yusing/go-proxy/internal/net/gphttp/httpheaders"
"github.com/yusing/go-proxy/internal/net/gphttp/reverseproxy"
nettypes "github.com/yusing/go-proxy/internal/net/types"
)
type SystemInfoRequest struct {
AgentAddr string `query:"agent_addr"`
AgentName string `query:"agent_name"`
Aggregate systeminfo.SystemInfoAggregateMode `query:"aggregate"`
Period period.Filter `query:"period"`
} // @name SystemInfoRequest
type SystemInfoAggregate period.ResponseType[systeminfo.Aggregated] // @name SystemInfoAggregate
type SystemInfoAggregate period.ResponseType[systeminfo.AggregatedJSON] // @name SystemInfoAggregate
// @x-id "system_info"
// @BasePath /api/v1
@@ -40,15 +39,20 @@ type SystemInfoAggregate period.ResponseType[systeminfo.Aggregated] // @name Sys
func SystemInfo(c *gin.Context) {
query := c.Request.URL.Query()
agentAddr := query.Get("agent_addr")
agentName := query.Get("agent_name")
query.Del("agent_addr")
if agentAddr == "" {
query.Del("agent_name")
if agentAddr == "" && agentName == "" {
systeminfo.Poller.ServeHTTP(c)
return
}
agent, ok := agentPkg.GetAgent(agentAddr)
if !ok {
c.JSON(http.StatusNotFound, apitypes.Error("agent_addr not found"))
agent, ok = agentPkg.GetAgentByName(agentName)
}
if !ok {
c.JSON(http.StatusNotFound, apitypes.Error("agent_addr or agent_name not found"))
return
}
@@ -59,17 +63,16 @@ func SystemInfo(c *gin.Context) {
c.Error(apitypes.InternalServerError(err, "failed to forward request to agent"))
return
}
defer resp.Body.Close()
maps.Copy(c.Writer.Header(), resp.Header)
c.Status(resp.StatusCode)
io.Copy(c.Writer, resp.Body)
} else {
rp := reverseproxy.NewReverseProxy("agent", nettypes.NewURL(agentPkg.AgentURL), agent.Transport())
r, err := http.NewRequestWithContext(c.Request.Context(), c.Request.Method, agentPkg.EndpointSystemInfo+"?"+query.Encode(), c.Request.Body)
err := agent.ReverseProxy(c.Writer, c.Request, agentPkg.EndpointSystemInfo+"?"+query.Encode())
if err != nil {
c.Error(apitypes.InternalServerError(err, "failed to create request"))
c.Error(apitypes.InternalServerError(err, "failed to reverse proxy"))
return
}
r.Header = c.Request.Header
rp.ServeHTTP(c.Writer, r)
}
}