release: v0.18.6 [skip ci]

Co-authored-by: kireto <kireto@oblachno.com>

CHANGELOG.md

@@ -2,6 +2,24 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.18.6] - 2026-08-05
+
+### Bug Fixes
+
+- Pre-configure daemon.json before rootless setuptool + add DBUS_SESSION_BUS_ADDRESS
+
+## [0.18.5] - 2026-08-05
+
+### Bug Fixes
+
+- Pin Docker 28.x + disable containerd snapshotter + tune prune/disk
+
+## [0.18.4] - 2026-08-05
+
+### Bug Fixes
+
+- Harden rootless Docker daemon resilience on CI runners
+
 ## [0.18.3] - 2026-08-04
 
 ### Bug Fixes

README.md

@@ -8,12 +8,12 @@ Each runner runs in an isolated **rootless Docker** environment under a dedicate
 
 [![CI](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions/workflows/ci.yml/badge.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
 [![License: GPL-3.0](https://img.shields.io/badge/license-GPL--3.0-blue)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/src/branch/master/LICENSE)
-[![Coverage](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/coverage.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
+[![Coverage](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/coverage.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
-[![Tests](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/tests.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
+[![Tests](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/tests.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
-[![Docs](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/docs.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/wiki)
+[![Docs](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/docs.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/wiki)
-[![Code Quality](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/quality.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
+[![Code Quality](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/quality.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
-[![Version](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/version.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/releases)
+[![Version](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/version.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/releases)
-[![Python](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/python.svg)](https://www.python.org/downloads/)
+[![Python](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/python.svg)](https://www.python.org/downloads/)
 
 ## Why GRM?
 

ansible/roles/gitea_runner/defaults/main.yml

@@ -18,18 +18,40 @@ gitea_runner_binary_path: "/usr/local/bin/gitea_runner"
 
 # Prune configuration
 gitea_runner_prune_until: "24h"
-gitea_runner_prune_schedule: "daily"
+# Every 6 hours — daily is insufficient for CI runners that build dozens
+# of images per day. Accumulation between daily runs can trigger Docker
+# daemon instability (containerd snapshotter GC holds locks, blocking
+# container operations).
+gitea_runner_prune_schedule: "*-*-* 00/6:00:00"
 gitea_runner_prune_label: "gitea-runner=true"
 
 # Service configuration
 gitea_runner_service_restart_sec: "5"
 
 # Health check configuration
-gitea_runner_healthcheck_interval: "5min"
+# 2min interval — catches hung daemons before multiple CI jobs fail between checks.
+# The previous 5min interval was too coarse: a stuck daemon could fail 3+ molecule
+# jobs in the window between healthcheck runs.
+gitea_runner_healthcheck_interval: "2min"
 gitea_runner_healthcheck_boot_delay: "2min"
-gitea_runner_healthcheck_disk_threshold: 85
+gitea_runner_healthcheck_disk_threshold: 75
 gitea_runner_healthcheck_script_path: "{{ gitea_runner_config_dir }}/healthcheck.sh"
 
+# Docker daemon resilience settings (applied to daemon.json).
+# live-restore: containers survive daemon restarts — prevents stuck container
+#   states when the healthcheck restarts a hung daemon.
+# shutdown-timeout: grace period (seconds) for containers to stop on daemon
+#   shutdown/restart. Default 15s is too short for DinD containers with nested
+#   processes (molecule tests). 30s gives SIGTERM time to propagate.
+# max-concurrent-downloads/uploads: limits parallel transfers to reduce daemon
+#   memory pressure when multiple CI jobs pull images simultaneously.
+# default-ulimits: prevents FD exhaustion in container processes.
+gitea_runner_docker_live_restore: true
+gitea_runner_docker_shutdown_timeout: 30
+gitea_runner_docker_max_concurrent_downloads: 3
+gitea_runner_docker_max_concurrent_uploads: 3
+gitea_runner_docker_default_nofile: 65536
+
 # Admin token for runner deregistration via Gitea API.
 # If not set, falls back to registration_token (which likely lacks admin scope).
 # Set this to a token with admin scope to enable automatic runner cleanup on removal.

ansible/roles/gitea_runner/molecule/template-content/verify.yml

@@ -49,6 +49,9 @@
           - "'Type=oneshot' in prune_service.content | b64decode"
           - "'docker system prune' in prune_service.content | b64decode"
           - "'docker volume prune' in prune_service.content | b64decode"
+          - "'docker container prune' in prune_service.content | b64decode"
+          - "'docker network prune' in prune_service.content | b64decode"
+          - "'docker builder prune' in prune_service.content | b64decode"
         fail_msg: "Prune service template is missing expected directives"
 
     - name: Read rendered prune timer template
@@ -99,9 +102,15 @@
       ansible.builtin.assert:
         that:
           - "'docker info' in healthcheck_script.content | b64decode"
+          - "'timeout 10 docker info' in healthcheck_script.content | b64decode"
           - "'systemctl --user restart docker.service' in healthcheck_script.content | b64decode"
           - "'systemctl --user restart gitea-runner.service' in healthcheck_script.content | b64decode"
           - "'docker system prune' in healthcheck_script.content | b64decode"
+          - "'docker container prune' in healthcheck_script.content | b64decode"
+          - "'docker network prune' in healthcheck_script.content | b64decode"
+          - "'status=removing' in healthcheck_script.content | b64decode"
+          - "'status=stopping' in healthcheck_script.content | b64decode"
+          - "'docker rm -f' in healthcheck_script.content | b64decode"
           - "gitea_runner_healthcheck_disk_threshold | string in healthcheck_script.content | b64decode"
         fail_msg: "Healthcheck script template is missing expected content"
 

ansible/roles/gitea_runner/tasks/deregister.yml

@@ -29,6 +29,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default(0) }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
     DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid | default(0) }}/docker.sock"
   when:
     - gitea_runner_file_stat.stat.exists | default(false) | bool

ansible/roles/gitea_runner/tasks/healthcheck.yml

@@ -29,6 +29,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   changed_when: true
   when:
     - gitea_runner_systemd_available.stat.exists
@@ -40,6 +41,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   changed_when: true
   when:
     - gitea_runner_systemd_available.stat.exists

ansible/roles/gitea_runner/tasks/integration_test.yml

@@ -24,6 +24,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   register: gitea_runner_service_check
   changed_when: false
   retries: 10

ansible/roles/gitea_runner/tasks/pre_pull_images.yml

@@ -16,6 +16,7 @@
   environment:
     DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid }}/docker.sock"
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   register: gitea_runner_pre_pull_result
   changed_when: "'Status: Downloaded' in gitea_runner_pre_pull_result.stdout or 'Status: Downloaded' in gitea_runner_pre_pull_result.stderr"
   retries: 3

ansible/roles/gitea_runner/tasks/prune.yml

@@ -21,6 +21,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   changed_when: true
   when:
     - gitea_runner_systemd_available.stat.exists
@@ -32,6 +33,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   changed_when: true
   when:
     - gitea_runner_systemd_available.stat.exists

ansible/roles/gitea_runner/tasks/register.yml

@@ -26,6 +26,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default(0) }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
     DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid | default(0) }}/docker.sock"
   when: not gitea_runner_registered.stat.exists
   register: gitea_runner_register_output

ansible/roles/gitea_runner/tasks/rootless_docker.yml

@@ -31,6 +31,11 @@
     - ansible_facts['os_family'] == 'Debian'
     - gitea_runner_docker_apt_repo is changed
 
+# Install Docker packages from the upstream Docker APT repository.
+# We do NOT pin to 28.x because recent Ubuntu releases (e.g. 26.04/plucky)
+# may not have 28.x packages in the Docker repo, and Docker 29 is safe
+# for rootless mode when the daemon.json disables the containerd snapshotter
+# and sets a conservative default nofile ulimit (see daemon.json tasks below).
 - name: Install rootless Docker dependencies (Debian/Ubuntu)
   ansible.builtin.apt:
     name:
@@ -45,6 +50,7 @@
       - docker-compose-plugin
       - rsync
     state: present
+  register: gitea_runner_docker_install
   when: ansible_facts['os_family'] == 'Debian'
 
 - name: Update pacman cache (Arch Linux)
@@ -133,8 +139,57 @@
     content: |
       [Service]
       Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_NET={{ gitea_runner_docker_rootless_net_driver }}"
-      Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=implicit"
+      Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER={{ 'implicit' if gitea_runner_docker_rootless_net_driver == 'pasta' else 'builtin' }}"
+      {% if gitea_runner_docker_rootless_net_driver == 'pasta' %}
       Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS=--ipv6"
+      {% endif %}
+    mode: "0644"
+    owner: "{{ gitea_runner_service_user }}"
+    group: "{{ gitea_runner_service_user }}"
+  when:
+    - gitea_runner_docker_rootless_setup
+    - not gitea_runner_rootless_docker_check.stat.exists
+
+# Write daemon.json BEFORE the setuptool starts dockerd, so Docker 29
+# starts with containerd snapshotter disabled from the very first boot.
+# Without this, Docker 29 uses containerd snapshots by default, which
+# causes instability in rootless mode.
+- name: Ensure Docker config directory exists (pre-setup)
+  ansible.builtin.file:
+    path: "{{ gitea_runner_home }}/.config/docker"
+    state: directory
+    mode: "0755"
+    owner: "{{ gitea_runner_service_user }}"
+    group: "{{ gitea_runner_service_user }}"
+  when:
+    - gitea_runner_docker_rootless_setup
+    - not gitea_runner_rootless_docker_check.stat.exists
+
+- name: Pre-configure rootless Docker daemon.json (disable containerd snapshotter)
+  ansible.builtin.copy:
+    dest: "{{ gitea_runner_home }}/.config/docker/daemon.json"
+    content: |
+      {
+        "live-restore": {{ gitea_runner_docker_live_restore | to_json }},
+        "shutdown-timeout": {{ gitea_runner_docker_shutdown_timeout }},
+        "max-concurrent-downloads": {{ gitea_runner_docker_max_concurrent_downloads }},
+        "max-concurrent-uploads": {{ gitea_runner_docker_max_concurrent_uploads }},
+        "default-ulimits": {
+          "nofile": {"Name": "nofile", "Hard": {{ gitea_runner_docker_default_nofile }}, "Soft": {{ gitea_runner_docker_default_nofile }}}
+        },
+        "features": {
+          "containerd-snapshotter": false
+        },
+        {% if gitea_runner_docker_rootless_net_driver == 'pasta' %}
+        "ipv6": true,
+        "ip6tables": true,
+        "fixed-cidr-v6": "{{ gitea_runner_docker_ipv6_cidr }}",
+        "dns": ["10.0.2.3", "8.8.8.8"]
+        {% else %}
+        "ipv6": false,
+        "dns": ["8.8.8.8", "1.1.1.1"]
+        {% endif %}
+      }
     mode: "0644"
     owner: "{{ gitea_runner_service_user }}"
     group: "{{ gitea_runner_service_user }}"
@@ -150,6 +205,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid }}/bus"
     DOCKERD_ROOTLESS_ROOTLESSKIT_NET: "{{ gitea_runner_docker_rootless_net_driver }}"
   when:
     - gitea_runner_docker_rootless_setup
@@ -161,6 +217,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid }}/bus"
   changed_when: true
   when: gitea_runner_docker_rootless_setup
 
@@ -170,6 +227,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid }}/bus"
   changed_when: true
   when: gitea_runner_docker_rootless_setup
 
@@ -204,6 +262,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid }}/bus"
   changed_when: true
   when:
     - gitea_runner_docker_rootless_setup
@@ -214,6 +273,16 @@
     dest: "{{ gitea_runner_home }}/.config/docker/daemon.json"
     content: |
       {
+        "live-restore": {{ gitea_runner_docker_live_restore | to_json }},
+        "shutdown-timeout": {{ gitea_runner_docker_shutdown_timeout }},
+        "max-concurrent-downloads": {{ gitea_runner_docker_max_concurrent_downloads }},
+        "max-concurrent-uploads": {{ gitea_runner_docker_max_concurrent_uploads }},
+        "default-ulimits": {
+          "nofile": {"Name": "nofile", "Hard": {{ gitea_runner_docker_default_nofile }}, "Soft": {{ gitea_runner_docker_default_nofile }}}
+        },
+        "features": {
+          "containerd-snapshotter": false
+        },
         {% if gitea_runner_docker_rootless_net_driver == 'pasta' %}
         "ipv6": true,
         "ip6tables": true,
@@ -236,6 +305,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid }}/bus"
   changed_when: true
   when:
     - gitea_runner_docker_rootless_setup
@@ -248,6 +318,7 @@
   environment:
     DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid }}/docker.sock"
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid }}/bus"
   register: gitea_runner_docker_ready
   until: gitea_runner_docker_ready.rc == 0
   retries: 10

ansible/roles/gitea_runner/tasks/service.yml

@@ -13,6 +13,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   changed_when: true
   when:
     - gitea_runner_systemd_available.stat.exists
@@ -24,6 +25,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   changed_when: true
   when:
     - gitea_runner_systemd_available.stat.exists

ansible/roles/gitea_runner/tasks/update_runner.yml

@@ -8,6 +8,7 @@
   become_user: "{{ gitea_runner_service_user }}"
   environment:
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   when:
     - gitea_runner_systemd_available.stat.exists | default(false) | bool
     - gitea_runner_docker_rootless_setup

ansible/roles/gitea_runner/tasks/validate.yml

@@ -21,6 +21,7 @@
   environment:
     DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid }}/docker.sock"
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
+    DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ gitea_runner_uid | default(0) }}/bus"
   register: gitea_runner_docker_version_output
   changed_when: false
   when: gitea_runner_docker_rootless_setup

ansible/roles/gitea_runner/templates/docker-prune.service.j2

@@ -7,3 +7,6 @@ Environment=DOCKER_HOST=unix:///run/user/{{ gitea_runner_uid }}/docker.sock
 Environment=XDG_RUNTIME_DIR=/run/user/{{ gitea_runner_uid }}
 ExecStart=/usr/bin/docker system prune -f --filter "label={{ gitea_runner_prune_label }}" --filter "until={{ gitea_runner_prune_until }}"
 ExecStart=/usr/bin/docker volume prune -f --filter "label={{ gitea_runner_prune_label }}"
+ExecStart=/usr/bin/docker container prune -f
+ExecStart=/usr/bin/docker network prune -f
+ExecStart=/usr/bin/docker builder prune -f

ansible/roles/gitea_runner/templates/runner-healthcheck.sh.j2

@@ -7,18 +7,29 @@ DOCKER_HOST="unix:///run/user/{{ gitea_runner_uid }}/docker.sock"
 XDG_RUNTIME_DIR="/run/user/{{ gitea_runner_uid }}"
 export DOCKER_HOST XDG_RUNTIME_DIR
 
-# 1. Check Docker daemon responsiveness
+# 1. Check Docker daemon responsiveness (with timeout — a bare `docker info` can
-if ! docker info >/dev/null 2>&1; then
+#    hang indefinitely on a stuck daemon, blocking the healthcheck itself).
-    echo "ERROR: Docker daemon not responding at ${DOCKER_HOST}"
+if ! timeout 10 docker info >/dev/null 2>&1; then
+    echo "ERROR: Docker daemon not responding at ${DOCKER_HOST} (timed out after 10s)"
     systemctl --user restart docker.service
     sleep 3
-    if ! docker info >/dev/null 2>&1; then
+    if ! timeout 10 docker info >/dev/null 2>&1; then
         echo "CRITICAL: Docker daemon still down after restart"
         exit 1
     fi
     echo "RECOVERED: Docker daemon restarted successfully"
 fi
 
+# 1b. Clean up stuck containers — containers in "removing" or "stopping" state
+#     for too long cause "cannot kill container: did not receive an exit event"
+#     errors in molecule destroy phases. Force-remove them so subsequent CI jobs
+#     don't inherit the stuck state.
+stuck_containers=$(timeout 10 docker ps -a --filter "status=removing" --filter "status=stopping" --format '{% raw %}{{.ID}}{% endraw %}' 2>/dev/null || true)
+if [[ -n "$stuck_containers" ]]; then
+    echo "WARN: Found stuck containers (removing/stopping), force-cleaning"
+    echo "$stuck_containers" | xargs -r docker rm -f 2>/dev/null || true
+fi
+
 # 2. Check gitea-runner service is active
 runner_state=$(systemctl --user is-active gitea-runner.service 2>/dev/null || true)
 if [[ "$runner_state" != "active" ]]; then
@@ -41,6 +52,9 @@ if [[ "$disk_pct" -ge {{ gitea_runner_healthcheck_disk_threshold }} ]]; then
     docker volume prune -f --filter "label={{ gitea_runner_prune_label }}" || true
     # Only prune dangling (untagged) images — keep tagged runner images (ci-full, ci-quality)
     docker image prune -f || true
+    # Clean up stopped containers and dangling networks that accumulate from failed jobs
+    docker container prune -f || true
+    docker network prune -f || true
     disk_pct=$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')
     echo "INFO: Disk usage after prune: ${disk_pct}%"
 fi

docs/index.md

@@ -8,12 +8,12 @@ Each runner runs in an isolated **rootless Docker** environment under a dedicate
 
 [![CI](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions/workflows/ci.yml/badge.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
 [![License: GPL-3.0](https://img.shields.io/badge/license-GPL--3.0-blue)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/src/branch/master/LICENSE)
-[![Coverage](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/coverage.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
+[![Coverage](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/coverage.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
-[![Tests](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/tests.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
+[![Tests](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/tests.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
-[![Docs](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/docs.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/wiki)
+[![Docs](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/docs.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/wiki)
-[![Code Quality](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/quality.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
+[![Code Quality](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/quality.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/actions)
-[![Version](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/version.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/releases)
+[![Version](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/version.svg)](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/releases)
-[![Python](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/69e62973f488eb61d5d32b9454037f75b9b2bcb7/python.svg)](https://www.python.org/downloads/)
+[![Python](https://git.oblachno.oblachno.fyi/oblachno-oss/grm/raw/commit/169df9153d73566fefc79a7b8d8e0e4eeaa461cc/python.svg)](https://www.python.org/downloads/)
 
 ## Overview
 

src/grm/__init__.py

@@ -1,3 +1,3 @@
 """Gitea Runner Manager — lean CLI for managing Gitea Actions runners."""
 
-__version__ = "0.18.3"
+__version__ = "0.18.6"