mirror of https://github.com/grafana/grafana.git
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package api
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import (
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"net/http"
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"net/http/httputil"
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"net/url"
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"github.com/torkelo/grafana-pro/pkg/bus"
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"github.com/torkelo/grafana-pro/pkg/middleware"
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m "github.com/torkelo/grafana-pro/pkg/models"
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"github.com/torkelo/grafana-pro/pkg/utils"
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)
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func NewReverseProxy(ds *m.DataSource, proxyPath string) *httputil.ReverseProxy {
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target, _ := url.Parse(ds.Url)
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director := func(req *http.Request) {
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req.URL.Scheme = target.Scheme
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req.URL.Host = target.Host
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reqQueryVals := req.URL.Query()
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if ds.Type == m.DS_INFLUXDB {
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req.URL.Path = utils.JoinUrlFragments(target.Path, "db/"+ds.Database+"/"+proxyPath)
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reqQueryVals.Add("u", ds.User)
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reqQueryVals.Add("p", ds.Password)
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req.URL.RawQuery = reqQueryVals.Encode()
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} else {
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req.URL.Path = utils.JoinUrlFragments(target.Path, proxyPath)
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}
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}
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return &httputil.ReverseProxy{Director: director}
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}
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// TODO: need to cache datasources
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func ProxyDataSourceRequest(c *middleware.Context) {
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id := c.ParamsInt64(":id")
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query := m.GetDataSourceByIdQuery{
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Id: id,
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AccountId: c.GetAccountId(),
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}
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err := bus.Dispatch(&query)
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if err != nil {
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c.JsonApiErr(500, "Unable to load datasource meta data", err)
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}
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proxyPath := c.Params("*")
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proxy := NewReverseProxy(&query.Result, proxyPath)
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proxy.ServeHTTP(c.RW(), c.Req.Request)
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}
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