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cleveragents-core/features/devcontainer_activation.feature
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feat(devcontainer): add lazy activation and lifecycle management
Implemented lazy container activation for devcontainer-instance resources
with ContainerLifecycleState enum tracking six states (inactive, starting,
active, stopping, stopped, error) with validated transitions. Extended
DevcontainerHandler with devcontainer up CLI integration and JSON output
parsing for container start. Added periodic health checking via
devcontainer exec ping with configurable interval. Added agents resource
stop and agents resource rebuild CLI commands for manual lifecycle
control. Wired session close and plan completion hooks to automatic
container cleanup. Includes lifecycle state persistence in resource
registry with timestamped transitions. Added Behave BDD tests, Robot
integration tests, and ASV activation latency benchmarks.

- Added remoteWorkspaceFolder absolute-path validation
- Aligned spec: handler name, rebuild types, --yes flag on stop/rebuild
- Added registry re-read in stop_container success path for consistency
- Added session_id field to ContainerLifecycleTracker for scoped cleanup
- Scoped stop_all_active_containers to session_id when provided
- Wired _cleanup_devcontainers into fail_apply and fail_execute
- Wired start_health_check into activate_container success path
- Restructured facade session close to always run container cleanup
  even without session service (F4)
- Re-read tracker from registry in activate_container success path
- Added evict_terminal_trackers to cap registry growth
- Updated devcontainer_resources.md: health check auto-start, scoped
  cleanup hooks, known limitations for eviction and sandbox_strategy
- Wired evict_terminal_trackers into stop_all_active_containers so
  terminal-state trackers are actually evicted in production
- Made stop_container idempotent: returns early when container is
  already in a terminal state instead of raising ValueError
- Fixed benchmark health check thread leak in TimeActivationLatency
  by clearing registry after each timing loop
- Added rebuild pass-through (--reset-container flag to devcontainer up)
- Added host_workspace_path field on ContainerLifecycleTracker so
  health probes use the host-side path for devcontainer exec
- Wired lazy activation into DevcontainerHandler.resolve() for
  devcontainer-instance resources in non-running states
- Changed _default_strategy from SNAPSHOT to NONE (container
  itself provides isolation; SandboxFactory raises NotImplementedError
  for snapshot)
- Restricted _STOPPABLE_TYPES to devcontainer-instance only
  (container-instance is not directly stoppable via CLI)

ISSUES CLOSED: #514
2026-03-10 12:17:51 +00:00

218 lines
12 KiB
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Feature: Devcontainer Activation, Stop and Rebuild
As a CleverAgents developer
I want devcontainers to be lazily activated and manually stopped or rebuilt
So that containers start on demand and can be controlled explicitly
# Lazy activation
Scenario: Lazy activation succeeds on inactive container
Given a mock devcontainer CLI runner
And the runner configured for successful activation
When I activate container "01TESTLIFECYCLE0000000010" at "/workspace/project"
Then the container state should be "running"
And the container ID should be "aabbccddee0011223344"
And the workspace path should be "/workspaces/project"
And the runner should have received a devcontainer up call
Scenario: Lazy activation transitions to error on failure
Given a mock devcontainer CLI runner
And the runner configured for failed activation
When I attempt to activate container "01TESTLIFECYCLE0000000011" at "/workspace/project"
Then the activation should raise RuntimeError
And the container state for "01TESTLIFECYCLE0000000011" should be "failed"
# ── Manual stop ────────────────────────────────────────────
Scenario: Stop transitions active container to stopped
Given a mock devcontainer CLI runner
And an active container "01TESTLIFECYCLE0000000020" with container ID "ctr-123"
When I stop container "01TESTLIFECYCLE0000000020"
Then the container state for "01TESTLIFECYCLE0000000020" should be "stopped"
And the runner should have received a docker stop call
# ── Rebuild ────────────────────────────────────────────────
Scenario: Rebuild transitions stopped container to active
Given a mock devcontainer CLI runner
And the runner configured for successful activation
And a stopped container "01TESTLIFECYCLE0000000030"
When I rebuild container "01TESTLIFECYCLE0000000030" at "/workspace/project"
Then the container state for "01TESTLIFECYCLE0000000030" should be "running"
Scenario: Rebuild transitions error container to active
Given a mock devcontainer CLI runner
And the runner configured for successful activation
And an errored container "01TESTLIFECYCLE0000000031"
When I rebuild container "01TESTLIFECYCLE0000000031" at "/workspace/project"
Then the container state for "01TESTLIFECYCLE0000000031" should be "running"
# ── Argument validation ────────────────────────────────────
Scenario: Activate rejects empty resource_id
When I attempt to activate a container with empty resource_id
Then the activation should raise ValueError with "resource_id"
Scenario: Activate rejects empty workspace_folder
When I attempt to activate a container with empty workspace_folder
Then the activation should raise ValueError with "workspace_folder"
Scenario: Stop rejects empty resource_id
When I attempt to stop a container with empty resource_id
Then the stop should raise ValueError with "resource_id"
# ── Activate on already-running container ────────────────────
Scenario: Activate on already-running container raises ValueError
Given a mock devcontainer CLI runner
And the runner configured for successful activation
And an active container "01TESTLIFECYCLE0000000140" with container ID "ctr-dup"
When I attempt to activate container "01TESTLIFECYCLE0000000140" at "/workspace"
Then the activation should raise ValueError with "Invalid lifecycle transition"
# ── Stop container with no container_id ─────────────────────
Scenario: Stop container with no container_id skips docker stop
Given a mock devcontainer CLI runner
And an active container with no container_id "01TESTLIFECYCLE0000000150"
When I stop container "01TESTLIFECYCLE0000000150"
Then the container state for "01TESTLIFECYCLE0000000150" should be "stopped"
And the runner should not have received a docker stop call
# ── Activation fails when container_id is missing ────────────
Scenario: Activation fails when devcontainer up returns no container_id
Given a mock devcontainer CLI runner
And the runner configured for activation with no container_id
When I attempt to activate container "01TESTLIFECYCLE0000000160" at "/workspace"
Then the activation should raise RuntimeError
And the container state for "01TESTLIFECYCLE0000000160" should be "failed"
# ── Direct rebuild_container coverage ───────────────────────
Scenario: rebuild_container directly stops then reactivates
Given a mock devcontainer CLI runner
And the runner configured for successful activation
And a stopped container "01TESTLIFECYCLE0000000090"
When I call rebuild_container for "01TESTLIFECYCLE0000000090" at "/workspace"
Then the container state for "01TESTLIFECYCLE0000000090" should be "running"
Scenario: rebuild_container rejects empty resource_id
When I call rebuild_container with empty resource_id
Then the rebuild should raise ValueError with "resource_id"
Scenario: rebuild_container rejects empty workspace_folder
When I call rebuild_container with empty workspace_folder
Then the rebuild should raise ValueError with "workspace_folder"
# ── Stop container error path coverage ─────────────────────
Scenario: stop_container transitions to error when docker stop raises
Given a mock devcontainer CLI runner
And the runner configured to raise exception on stop
And an active container "01TESTLIFECYCLE0000000110" with container ID "ctr-sf"
When I attempt to stop container "01TESTLIFECYCLE0000000110"
Then the stop should raise RuntimeError
And the container state for "01TESTLIFECYCLE0000000110" should be "failed"
# ── Activate generic exception path coverage ───────────────
Scenario: activate_container transitions to error on generic exception
Given a mock devcontainer CLI runner
And the runner configured to raise generic exception on up
When I attempt to activate container "01TESTLIFECYCLE0000000120" at "/workspace"
Then the activation should raise RuntimeError
And the container state for "01TESTLIFECYCLE0000000120" should be "failed"
# ── Stop container non-zero return code (F2) ───────────────
Scenario: stop_container transitions to error when docker stop returns non-zero
Given a mock devcontainer CLI runner
And the runner configured for failed docker stop
And an active container "01TESTLIFECYCLE0000000170" with container ID "ctr-rc1"
When I attempt to stop container "01TESTLIFECYCLE0000000170"
Then the stop should raise RuntimeError
And the container state for "01TESTLIFECYCLE0000000170" should be "failed"
# ── R20: workspace_folder path validation ──────────────────
Scenario: Activate rejects relative workspace_folder
When I attempt to activate a container with relative workspace_folder
Then the activation should raise ValueError with "absolute path"
# ── S2: Activation timeout transitions to failed ───────────
Scenario: Activation timeout transitions container to failed state
Given a mock devcontainer CLI runner that times out
And a lifecycle tracker for resource "01TESTLIFECYCLE0000000350"
When I attempt to activate the timed-out container
Then the activation should raise RuntimeError with "timed out"
And the tracker "01TESTLIFECYCLE0000000350" should be in "failed" state
# ── F4: Orphaned container cleanup on timeout ──────────────
Scenario: Activation timeout attempts to stop orphaned containers
Given a mock devcontainer CLI runner that times out with orphan containers
And a lifecycle tracker for resource "01TESTLIFECYCLE0000000360"
When I attempt to activate the timed-out container with orphan cleanup
Then the activation should raise RuntimeError with "timed out"
And the runner should have attempted orphan container cleanup
# ── F6: R10 fix explicit assertion (container_id clearing) ─
Scenario: Stopped container has container_id cleared
Given a mock devcontainer CLI runner
And an active container "01TESTLIFECYCLE0000000380" with container ID "ctr-r10"
When I stop container "01TESTLIFECYCLE0000000380"
Then the container state for "01TESTLIFECYCLE0000000380" should be "stopped"
And the container_id for "01TESTLIFECYCLE0000000380" should be None
And the workspace_path for "01TESTLIFECYCLE0000000380" should be None
Scenario: Failed activation clears container_id
Given a mock devcontainer CLI runner
And the runner configured for failed activation
When I attempt to activate container "01TESTLIFECYCLE0000000381" at "/workspace/project"
Then the container state for "01TESTLIFECYCLE0000000381" should be "failed"
And the container_id for "01TESTLIFECYCLE0000000381" should be None
# ── R8-F2: stop_container early return on terminal state ────
Scenario: stop_container returns early when container already stopped
Given a mock devcontainer CLI runner
And a stopped container "01TESTLIFECYCLE0000000660"
When I stop container "01TESTLIFECYCLE0000000660" expecting early return
Then the container state for "01TESTLIFECYCLE0000000660" should be "stopped"
And the runner should not have received a docker stop call
Scenario: stop_container returns early when container already failed
Given a mock devcontainer CLI runner
And an errored container "01TESTLIFECYCLE0000000670"
When I stop container "01TESTLIFECYCLE0000000670" expecting early return
Then the container state for "01TESTLIFECYCLE0000000670" should be "failed"
And the runner should not have received a docker stop call
# ── F15: host_workspace_path stored on activation ───────────
Scenario: Activation stores host_workspace_path for health probes
Given a mock devcontainer CLI runner
And the runner configured for successful activation
When I activate container "01TESTLIFECYCLE0000000800" at "/workspace/project"
Then the container state should be "running"
And the host_workspace_path for "01TESTLIFECYCLE0000000800" should be "/workspace/project"
# ── F10: rebuild passes --reset-container flag ──────────────
Scenario: Rebuild passes --reset-container to devcontainer up
Given a mock devcontainer CLI runner
And the runner configured for successful activation
And a stopped container "01TESTLIFECYCLE0000000810"
When I call rebuild_container for "01TESTLIFECYCLE0000000810" at "/workspace/project"
Then the container state for "01TESTLIFECYCLE0000000810" should be "running"
And the devcontainer up call should include "--reset-container"
Scenario: Normal activation does not pass --reset-container
Given a mock devcontainer CLI runner
And the runner configured for successful activation
When I activate container "01TESTLIFECYCLE0000000811" at "/workspace/project"
Then the container state should be "running"
And the devcontainer up call should not include "--reset-container"