Files
weave/ipam/http.go
T

82 lines
2.1 KiB
Go

package ipam
import (
"fmt"
"net/http"
"github.com/gorilla/mux"
"github.com/weaveworks/weave/common"
"github.com/weaveworks/weave/ipam/address"
)
func badRequest(w http.ResponseWriter, err error) {
http.Error(w, err.Error(), http.StatusBadRequest)
common.Warning.Println("[allocator]:", err.Error())
}
// HandleHTTP wires up ipams HTTP endpoints to the provided mux.
func (alloc *Allocator) HandleHTTP(router *mux.Router) {
router.Methods("PUT").Path("/ip/{id}/{ip}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
closedChan := w.(http.CloseNotifier).CloseNotify()
vars := mux.Vars(r)
ident := vars["id"]
ipStr := vars["ip"]
if ip, err := address.ParseIP(ipStr); err != nil {
badRequest(w, err)
return
} else if err := alloc.Claim(ident, ip, closedChan); err != nil {
badRequest(w, fmt.Errorf("Unable to claim: %s", err))
return
}
w.WriteHeader(204)
})
router.Methods("GET").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
addr, err := alloc.Lookup(mux.Vars(r)["id"])
if err != nil {
http.NotFound(w, r)
return
}
fmt.Fprintf(w, "%s/%d", addr.String(), alloc.prefixLen)
})
router.Methods("POST").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
closedChan := w.(http.CloseNotifier).CloseNotify()
ident := mux.Vars(r)["id"]
newAddr, err := alloc.Allocate(ident, closedChan)
if err != nil {
badRequest(w, err)
return
}
fmt.Fprintf(w, "%s/%d", newAddr.String(), alloc.prefixLen)
})
router.Methods("DELETE").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ident := mux.Vars(r)["id"]
if err := alloc.Free(ident); err != nil {
badRequest(w, err)
return
}
w.WriteHeader(204)
})
router.Methods("DELETE").Path("/peer").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
alloc.Shutdown()
w.WriteHeader(204)
})
router.Methods("DELETE").Path("/peer/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ident := mux.Vars(r)["id"]
if err := alloc.AdminTakeoverRanges(ident); err != nil {
badRequest(w, err)
return
}
w.WriteHeader(204)
})
}