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ginuerzh
c7d793c619
Verifies dead->alive->dead node transition: a node excluded by a failing cmd probe resumes carrying traffic once the probe flips healthy, without restart.
53 lines
1.1 KiB
YAML
53 lines
1.1 KiB
YAML
services:
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- name: proxy
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addr: :8080
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handler:
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type: http
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chain: my-chain
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listener:
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type: tcp
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# Two live relays — both forward to the echo server. Relays never go down;
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# liveness is driven solely by the cmd probes reading flag files in the
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# container, so the test can flip node health without restarting anything.
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- name: relay-a
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addr: 127.0.0.1:18081
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handler:
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type: http
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listener:
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type: tcp
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- name: relay-b
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addr: 127.0.0.1:18082
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handler:
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type: http
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listener:
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type: tcp
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chains:
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- name: my-chain
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hops:
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- name: hop-1
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selector:
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strategy: lowestlatency
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maxFails: 1
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failTimeout: 10s
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nodes:
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- name: node-a
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addr: 127.0.0.1:18081
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connector:
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type: http
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probe:
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# exits 1 while /tmp/a_down exists → node marked dead by probe.
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type: cmd
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command: "test -f /tmp/a_down && exit 1 || exit 0"
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interval: 2s
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- name: node-b
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addr: 127.0.0.1:18082
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connector:
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type: http
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probe:
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type: cmd
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command: "test -f /tmp/b_down && exit 1 || exit 0"
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interval: 2s
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