feat: replace system SSH with Erlang :ssh module#36

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elpddev merged 37 commits into

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feat/erlang-ssh

Mar 8, 2026

Commits on Mar 8, 2026

docs: add design for replacing system SSH with Erlang :ssh

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docs: add implementation plan for Erlang SSH backend

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feat: define SshBackend behaviour

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feat: add ssh_backend field to Target with Erlang default

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feat: add SshKeyProvider for specific key file paths

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feat: implement Erlang SSH backend

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feat: extract System SSH backend from existing code

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refactor: NodeManager uses pluggable SshBackend

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test: add integration tests for both SSH backends

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docs: update README for Erlang SSH backend

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fix: format code and fix function_exported? test

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fix: remove tmp test artifacts and add to gitignore

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fix: address code review findings

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fix: exec_async process safety — no spawn_link, add monitor, remove port handlers

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fix: NodeManager disconnect cleanup and error handling

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fix: sign/3 hash dispatch, System backend docs, exec_async return type

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fix: collect stderr in exec, add logging to Erlang backend

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test: add mock backends and comprehensive unit tests

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fix: use @moduletag :skip for integration tests when SSH unavailable

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fix: address round 2 review findings

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refactor: address round 3 review findings (22 items)

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refactor: address round 4 review findings (19 items)

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refactor: address review rounds 5-10 findings

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chore: add cover/ and erl_crash.dump to .gitignore

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fix: SshKeyProvider key_cb_private opts, external test fixes

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fix: docker run.sh SSH readiness check for Alpine

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ci: add external SSH tests with Docker container

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fix: external tests fail loudly when Docker unavailable

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Merge integration tests into external tests, fix System backend tunnel cleanup

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fix: retry tunnel setup on :not_accepted for robustness

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fix: increase tunnel retry, add cleanup pause, fix CI stale cache

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fix: increase tunnel retry to 20 attempts, 1s post-disconnect pause

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fix: use clean SSH disconnect instead of SIGKILL for tunnel cleanup

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test: add comprehensive external test coverage

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fix: remove System backend from NodeManager tests to fix CI tunnel conflicts

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fix: keep System backend e2e NodeManager test, limit to one auth mode

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fix: remove System backend NodeManager test that causes CI tunnel conflicts

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