portal-ng pods run under root user

- switch base image from openresty to nginx-unprivileged
- remove custom lua plugin code
- dynamically determine dns resolver ip during container startup

Issue-ID: PORTALNG-67
Change-Id: I23fb5e684dbb98a326afb00911a1f5ae78e2536d
Signed-off-by: Fiete Ostkamp <Fiete.Ostkamp@telekom.de>

1 files changed, 0 insertions, 76 deletions

diff --git a/server/resty/openssl/x509/chain.lua b/server/resty/openssl/x509/chain.lua
deleted file mode 100644
index 5557ea0..0000000
--- a/server/resty/openssl/x509/chain.lua
+++ /dev/null
@@ -1,76 +0,0 @@
-local ffi = require "ffi"
-local C = ffi.C
-local ffi_gc = ffi.gc
-
-local stack_lib = require "resty.openssl.stack"
-local x509_lib = require "resty.openssl.x509"
-local format_error = require("resty.openssl.err").format_error
-
-local _M = {}
-
-local stack_ptr_ct = ffi.typeof("OPENSSL_STACK*")
-
-local STACK = "X509"
-local gc = stack_lib.gc_of(STACK)
-local new = stack_lib.new_of(STACK)
-local add = stack_lib.add_of(STACK)
-local mt = stack_lib.mt_of(STACK, x509_lib.dup, _M)
-
-function _M.new()
-  local raw = new()
-
-  local self = setmetatable({
-    stack_of = STACK,
-    ctx = raw,
-  }, mt)
-
-  return self, nil
-end
-
-function _M.istype(l)
-  return l and l.ctx and ffi.istype(stack_ptr_ct, l.ctx)
-            and l.stack_of and l.stack_of == STACK
-end
-
-function _M.dup(ctx)
-  if ctx == nil or not ffi.istype(stack_ptr_ct, ctx) then
-    return nil, "x509.chain.dup: expect a stack ctx at #1, got " .. type(ctx)
-  end
-  -- sk_X509_dup plus up ref for each X509 element
-  local ctx = C.X509_chain_up_ref(ctx)
-  if ctx == nil then
-    return nil, "x509.chain.dup: X509_chain_up_ref() failed"
-  end
-  ffi_gc(ctx, gc)
-
-  return setmetatable({
-    stack_of = STACK,
-    ctx = ctx,
-  }, mt)
-end
-
-function _M:add(x509)
-  if not x509_lib.istype(x509) then
-    return nil, "x509.chain:add: expect a x509 instance at #1"
-  end
-
-  local dup = C.X509_dup(x509.ctx)
-  if dup == nil then
-    return nil, format_error("x509.chain:add: X509_dup")
-  end
-
-  local _, err = add(self.ctx, dup)
-  if err then
-    C.X509_free(dup)
-    return nil, err
-  end
-
-  return true
-end
-
-_M.all = stack_lib.all_func(mt)
-_M.each = mt.__ipairs
-_M.index = mt.__index
-_M.count = mt.__len
-
-return _M