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add support for ExternalName service type in dynamic mode

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This commit is contained in:
Elvin Efendi 2018-07-17 22:27:10 -04:00
parent bdb5ddc473
commit d4faf68416
13 changed files with 316 additions and 18 deletions
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38
rootfs/etc/nginx/lua/test/balancer_test.lua
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@ -77,6 +77,44 @@ describe("Balancer", function()
assert.spy(s).was_called_with(implementation, backend)
end)
it("resolves external name to endpoints when service is of type External name", function()
backend = {
name = "exmaple-com", service = { spec = { ["type"] = "ExternalName" } },
endpoints = {
{ address = "example.com", port = "80", maxFails = 0, failTimeout = 0 }
}
}
local dns_helper = require("test/dns_helper")
dns_helper.mock_dns_query({
{
name = "example.com",
address = "192.168.1.1",
ttl = 3600,
},
{
name = "example.com",
address = "1.2.3.4",
ttl = 60,
}
})
expected_backend = {
name = "exmaple-com", service = { spec = { ["type"] = "ExternalName" } },
endpoints = {
{ address = "192.168.1.1", port = "80" },
{ address = "1.2.3.4", port = "80" },
}
}
local mock_instance = { sync = function(backend) end }
setmetatable(mock_instance, implementation)
implementation.new = function(self, backend) return mock_instance end
assert.has_no.errors(function() balancer.sync_backend(backend) end)
stub(mock_instance, "sync")
assert.has_no.errors(function() balancer.sync_backend(backend) end)
assert.stub(mock_instance.sync).was_called_with(mock_instance, expected_backend)
end)
it("replaces the existing balancer when load balancing config changes for backend", function()
assert.has_no.errors(function() balancer.sync_backend(backend) end)