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local upstream = require "ngx.upstream"
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local json=require "cjson"
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local get_servers = upstream.get_servers
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local get_upstreams = upstream.get_upstreams
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local cache=ngx.shared.upstream
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|
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function list()
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local t={}
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local us=get_upstreams()
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for _,u in ipairs(us) do
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local peers,err = upstream.get_primary_peers(u)
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if err then
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|
ngx.say("failed to get servers in upstream ", u)
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return
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|
end
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local d={}
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d["name"]=u
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|
d["value"]={}
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for _,p in ipairs(peers) do
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|
|
local s={}
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|
|
s["id"]=p.id
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|
s["down"]=p.down and p.down or false
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|
s["name"]=p.name
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|
|
s["backup"]=false
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|
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table.insert(d["value"],s)
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|
|
end
|
|
|
peers,err = upstream.get_backup_peers(u)
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|
|
if err then
|
|
|
ngx.say("failed to get servers in upstream ", u)
|
|
|
return
|
|
|
end
|
|
|
for _,p in ipairs(peers) do
|
|
|
local s={}
|
|
|
s["id"]=p.id
|
|
|
s["down"]=p.down and p.down or false
|
|
|
s["name"]=p.name
|
|
|
s["backup"]=true
|
|
|
table.insert(d["value"],s)
|
|
|
end
|
|
|
table.insert(t,d)
|
|
|
end
|
|
|
ngx.header["Content-type"]="application/json;charset=utf-8"
|
|
|
ngx.say(json.encode(t))
|
|
|
end
|
|
|
|
|
|
|
|
|
function upordown(upstream_name,is_backup,peer_id,down_value)
|
|
|
local ok, err = upstream.set_peer_down(upstream_name, is_backup, peer_id, down_value)
|
|
|
local t={}
|
|
|
t["upstream"]=upstream_name
|
|
|
t["backup"]=is_backup
|
|
|
t["id"]=peer_id
|
|
|
t["value"]=down_value
|
|
|
local suc=cache:set("d:" .. upstream_name .. ":" .. tostring(id) .. ":" .. tostring(is_backup),json.encode(t))
|
|
|
return suc
|
|
|
end
|
|
|
|
|
|
|
|
|
local args=ngx.req.get_uri_args()
|
|
|
local method=args["method"]
|
|
|
if method == "list" then
|
|
|
list()
|
|
|
elseif(method=="down" or method=="up") then
|
|
|
local upstream=args["upstream"]
|
|
|
local backup=args["backup"]=="true" and true or false
|
|
|
local id=tonumber(args["id"])
|
|
|
local down= method=="down" and true or false
|
|
|
local suc=upordown(upstream,backup,id,down)
|
|
|
local t={}
|
|
|
t["suc"]=suc
|
|
|
ngx.header["Content-type"]="application/json;charset=utf-8"
|
|
|
ngx.say(json.encode(t))
|
|
|
end |
...
|
...
|
|