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Add support for multiple alias and remove duplication of SSL certificates (#4472)

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Manuel Alejandro de Brito Fontes 2019-08-26 10:58:44 -04:00 • committed by GitHub
parent 4847bb02f0
commit 8def5ef7ca
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 190 additions and 101 deletions
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53
rootfs/etc/nginx/lua/configuration.lua
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@ -3,6 +3,7 @@ local cjson = require("cjson.safe")
-- this is the Lua representation of Configuration struct in internal/ingress/types.go
local configuration_data = ngx.shared.configuration_data
local certificate_data = ngx.shared.certificate_data
local certificate_servers = ngx.shared.certificate_servers
local _M = {}
@ -35,7 +36,12 @@ local function fetch_request_body()
end
function _M.get_pem_cert_key(hostname)
return certificate_data:get(hostname)
local uid = certificate_servers:get(hostname)
if not uid then
return nil
end
return certificate_data:get(uid)
end
local function handle_servers()
@ -45,30 +51,39 @@ local function handle_servers()
return
end
local raw_servers = fetch_request_body()
local raw_configuration = fetch_request_body()
local servers, err = cjson.decode(raw_servers)
if not servers then
ngx.log(ngx.ERR, "could not parse servers: ", err)
local configuration, err = cjson.decode(raw_configuration)
if not configuration then
ngx.log(ngx.ERR, "could not parse configuration: ", err)
ngx.status = ngx.HTTP_BAD_REQUEST
return
end
local err_buf = {}
for _, server in ipairs(servers) do
if server.hostname and server.sslCert.pemCertKey then
local success, set_err, forcible = certificate_data:set(server.hostname, server.sslCert.pemCertKey)
if not success then
local err_msg = string.format("error setting certificate for %s: %s\n", server.hostname, tostring(set_err))
table.insert(err_buf, err_msg)
end
if forcible then
local msg = string.format("certificate_data dictionary is full, LRU entry has been removed to store %s",
server.hostname)
ngx.log(ngx.WARN, msg)
end
else
ngx.log(ngx.WARN, "hostname or pemCertKey are not present")
for server, uid in pairs(configuration.servers) do
local success, set_err, forcible = certificate_servers:set(server, uid)
if not success then
local err_msg = string.format("error setting certificate for %s: %s\n", server, tostring(set_err))
table.insert(err_buf, err_msg)
end
if forcible then
local msg = string.format("certificate_servers dictionary is full, LRU entry has been removed to store %s",
server)
ngx.log(ngx.WARN, msg)
end
end
for uid, cert in pairs(configuration.certificates) do
local success, set_err, forcible = certificate_data:set(uid, cert)
if not success then
local err_msg = string.format("error setting certificate for %s: %s\n", uid, tostring(set_err))
table.insert(err_buf, err_msg)
end
if forcible then
local msg = string.format("certificate_data dictionary is full, LRU entry has been removed to store %s", uid)
ngx.log(ngx.WARN, msg)
end
end