mirror of
https://github.com/windmill-labs/windmill.git
synced 2026-08-20 16:02:19 +00:00
Ruben Fiszel
b656dc6cdc
* feat(nsjail): optional disk-backed /tmp via instance setting * test(nsjail): unit-test tmp mount resolver and narrow visibility * refactor(nsjail): switch tmp backing to select + conditional UI * ui(nsjail): make tmpfs the visible default in /tmp backing select * fix(nsjail): refuse preexisting jail_tmp to block symlink escape * fix(nsjail): allow jail_tmp reuse on sequential nsjail calls Codex flagged that python/ruby/rust executors invoke nsjail twice per job_dir (install then run). The previous resolver treated any preexisting jail_tmp as hostile and silently fell back to tmpfs on the second call, so disk-backed mode never reached the main script run for those langs. Use symlink_metadata().is_dir() to distinguish a real directory left by an earlier call in the same job_dir (safe to reuse) from a symlink or other entity (still refused, as the codebase-tar escape requires). Also loosen the frontend visibility predicate: only hide nsjail settings when job_isolation is explicitly 'none' or 'unshare', so deployments that enable nsjail via DISABLE_NSJAIL=false with no DB setting can still see the controls.
113 lines
1.6 KiB
Protocol Buffer
113 lines
1.6 KiB
Protocol Buffer
name: "gem install"
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mode: ONCE
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hostname: "ruby"
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log_level: ERROR
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time_limit: 900
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rlimit_as: 2048
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rlimit_cpu: 1000
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rlimit_fsize: 1024
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rlimit_nofile: 64
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envar: "HOME=/user"
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envar: "LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH"
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cwd: "/tmp"
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clone_newnet: false
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clone_newuser: {CLONE_NEWUSER}
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skip_setsid: true
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keep_caps: true
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keep_env: true
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mount_proc: true
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mount {
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src: "/bin"
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dst: "/bin"
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is_bind: true
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}
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mount {
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src: "/lib"
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dst: "/lib"
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is_bind: true
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}
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mount {
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src: "/lib64"
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dst: "/lib64"
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is_bind: true
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mandatory: false
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}
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mount {
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src: "/usr"
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dst: "/usr"
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is_bind: true
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}
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mount {
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src: "/etc"
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dst: "/etc"
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is_bind: true
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}
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# Container runtimes bind exactly these 3 files as separate submounts over
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# /etc; nsjail's ro remount of /etc is non-recursive so they stay writable.
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# Load-bearing -- do not remove as redundant with the /etc bind above.
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mount {
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src: "/etc/resolv.conf"
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dst: "/etc/resolv.conf"
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is_bind: true
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mandatory: false
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}
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mount {
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src: "/etc/hosts"
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dst: "/etc/hosts"
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is_bind: true
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mandatory: false
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}
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mount {
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src: "/etc/hostname"
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dst: "/etc/hostname"
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is_bind: true
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mandatory: false
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}
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mount {
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src: "/dev/null"
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dst: "/dev/null"
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is_bind: true
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rw: true
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}
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{TMP_MOUNT_BLOCK}
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mount {
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src: "{TARGET}"
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dst: "{TARGET}"
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is_bind: true
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mandatory: false
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rw: true
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}
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mount {
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src: "/dev/urandom"
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dst: "/dev/urandom"
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is_bind: true
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}
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mount {
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src: "{TRACING_PROXY_CA_CERT_PATH}"
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dst: "{TRACING_PROXY_CA_CERT_PATH}"
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is_bind: true
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mandatory: false
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}
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#{DEV}
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