6568cef868
[kamal-proxy](https://github.com/basecamp/kamal-proxy) is a custom minimal proxy designed specifically for Kamal. It has some advantages over Traefik: 1. Imperative deployments - we tell it to switch from container A to container B, and it waits for container B to start then switches. No need to poll for health checks ourselves or mess around with forcing health checks to fail. 2. Support for multiple apps - as much as possible, configuration is supplied at runtime by the deploy command, allowing us to have multiple apps share a proxy without conflicting config. 3. First class support for Kamal operations - rather than trying to work out how to make Traefik do what we want, we can build features directly into the proxy, making configuration simpler and avoiding obscure errors
67 lines
1.8 KiB
Ruby
67 lines
1.8 KiB
Ruby
require_relative "integration_test"
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class IntegrationProxyTest < IntegrationTest
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test "boot, reboot, stop, start, restart, logs, remove" do
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kamal :server, :bootstrap
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kamal :envify
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kamal :proxy, :boot
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assert_proxy_running
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output = kamal :proxy, :reboot, "-y", "--verbose", capture: true
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assert_proxy_running
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assert_hooks_ran "pre-proxy-reboot", "post-proxy-reboot"
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assert_match /Rebooting proxy on vm1,vm2.../, output
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assert_match /Rebooted proxy on vm1,vm2/, output
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output = kamal :proxy, :reboot, "--rolling", "-y", "--verbose", capture: true
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assert_proxy_running
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assert_hooks_ran "pre-proxy-reboot", "post-proxy-reboot"
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assert_match /Rebooting proxy on vm1.../, output
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assert_match /Rebooted proxy on vm1/, output
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assert_match /Rebooting proxy on vm2.../, output
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assert_match /Rebooted proxy on vm2/, output
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kamal :proxy, :boot
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assert_proxy_running
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# Check booting when booted doesn't raise an error
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kamal :proxy, :stop
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assert_proxy_not_running
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# Check booting when stopped works
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kamal :proxy, :boot
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assert_proxy_running
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kamal :proxy, :stop
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assert_proxy_not_running
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kamal :proxy, :start
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assert_proxy_running
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kamal :proxy, :restart
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assert_proxy_running
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logs = kamal :proxy, :logs, capture: true
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assert_match %r{"level":"INFO","msg":"Server started","http":80,"https":443}, logs
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kamal :proxy, :remove
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assert_proxy_not_running
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kamal :env, :delete
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end
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private
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def assert_proxy_running
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assert_match %r{registry:4443/basecamp/kamal-proxy:latest "kamal-proxy run"}, proxy_details
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end
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def assert_proxy_not_running
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assert_no_match %r{registry:4443/basecamp/kamal-proxy:latest "kamal-proxy run"}, proxy_details
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end
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def proxy_details
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kamal :proxy, :details, capture: true
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end
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end
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