Ein Pod je GPU-VM (Embed+Rerank bzw. Chat), Host-Netz mit den Ports aus dem Compose, P2000 fest per UUID (NVIDIA_VISIBLE_DEVICES). Das Device Plugin vergibt nur noch Index 0 (M4000). Rolle gpu-llamacpp: gemeinsame Vorbereitung (prepare.yml), k3s.yml mit Image-Import und Compose-Stopp; gpu-llamacpp.yml bricht ohne -e llamacpp_compose=true ab. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
co-authored by
Claude Opus 5.5
parent
24f4066aaf
commit
986f1116fe
@@ -0,0 +1,52 @@
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# llama.cpp-Rollen nach k3s (Task 6.1, D6). Läuft auf ops (Verzeichnis platform/proxmox/ansible):
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# ansible-playbook playbooks/gpu-llamacpp-k3s.yml # alle VMs der Gruppe gpu_llamacpp
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# ansible-playbook playbooks/gpu-llamacpp-k3s.yml -e llamacpp_k3s_hosts=gpu-pve44 # nur eine VM (Pilot)
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# Danach: ansible-playbook playbooks/monitoring-targets.yml (Ziele bleiben gleich, Ports wie im Compose).
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#
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# Kartenwahl: Das Device Plugin verwaltet nur Index 0 (M4000, in allen GPU-VMs); die P2000 bekommen die
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# llama.cpp-Pods fest per UUID. Erst prüfen, dass Index 0 überall die M4000 ist, dann das Device Plugin anwenden.
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- name: GPU-VMs – Index 0 ist die M4000
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hosts: gpu_vms
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gather_facts: false
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tasks:
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- name: Karte auf Index 0 lesen
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ansible.builtin.command: nvidia-smi -i 0 --query-gpu=name --format=csv,noheader
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register: gpu0
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changed_when: false
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- name: Index 0 muss die M4000 sein (sonst gibt das Device Plugin die falsche Karte frei)
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ansible.builtin.assert:
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that: gpu0.stdout == "Quadro M4000"
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fail_msg: "{{ inventory_hostname }}: Index 0 ist {{ gpu0.stdout }}"
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- name: k3s – Device Plugin nur für die M4000
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hosts: localhost
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connection: local
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gather_facts: false
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tasks:
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- name: Device Plugin anwenden
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ansible.builtin.command: kubectl apply -f {{ playbook_dir }}/../../../../deploy/k8s/nvidia-device-plugin.yaml
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register: dp
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changed_when: "'configured' in dp.stdout"
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- name: Warten, bis das Device Plugin auf allen Knoten läuft
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ansible.builtin.command: kubectl -n kube-system rollout status daemonset/nvidia-device-plugin-daemonset --timeout=180s
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changed_when: false
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- name: Jede GPU-VM meldet genau eine Karte (M4000)
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ansible.builtin.command: kubectl get node {{ item }} -o jsonpath='{.status.allocatable.nvidia\.com/gpu}'
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loop: "{{ groups['gpu_vms'] }}"
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register: alloc
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until: alloc.stdout == "1"
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retries: 24
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delay: 5
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changed_when: false
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- name: llama.cpp-Server in k3s
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hosts: "{{ llamacpp_k3s_hosts | default('gpu_llamacpp') }}"
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serial: 1
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tasks:
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- name: Rolle gpu-llamacpp (k3s)
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ansible.builtin.include_role:
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name: gpu-llamacpp
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tasks_from: k3s
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@@ -3,6 +3,14 @@
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# Aufruf auf ops (Verzeichnis platform/proxmox/ansible), vorher Zugang auffrischen (refresh-vm-access.sh):
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# ansible-playbook playbooks/gpu-llamacpp.yml
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# ansible-playbook playbooks/monitoring-targets.yml # Prometheus-Ziele (file_sd) nachziehen
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#
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# Seit 19.10. laufen die Server in k3s (playbooks/gpu-llamacpp-k3s.yml). Dieses Playbook würde den Compose-Stack
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# wieder starten und Host-Ports und VRAM doppelt belegen. Nur mit -e llamacpp_compose=true (Rückweg).
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- name: llama.cpp-Server in den GPU-VMs
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hosts: gpu_llamacpp
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pre_tasks:
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- name: Abbruch, wenn llama.cpp in k3s läuft
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ansible.builtin.fail:
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msg: "llama.cpp läuft in k3s (playbooks/gpu-llamacpp-k3s.yml). Compose nur mit -e llamacpp_compose=true."
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when: not (llamacpp_compose | default(false) | bool)
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roles: [gpu-llamacpp]
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@@ -48,3 +48,34 @@ llamacpp_models:
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- dest: Qwen3-4B-Q4_K_M.gguf
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url: "{{ _hf }}/Qwen/Qwen3-4B-GGUF/resolve/bc640142c66e1fdd12af0bd68f40445458f3869b/Qwen3-4B-Q4_K_M.gguf"
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checksum: sha256:7485fe6f11af29433bc51cab58009521f205840f5b4ae3a32fa7f92e8534fdf5
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# --- k3s (Task 6.1, D6): tasks/k3s.yml, Playbook playbooks/gpu-llamacpp-k3s.yml ---
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llamacpp_image: "knaster/llamacpp-server:{{ llamacpp_env.LLAMACPP_REF }}-cu{{ llamacpp_env.CUDA_VERSION }}"
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llamacpp_k3s_template: "{{ playbook_dir }}/../../../../deploy/k8s/llamacpp/llamacpp.yaml.j2"
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llamacpp_k3s_namespace: "{{ playbook_dir }}/../../../../deploy/k8s/llamacpp/namespace.yaml"
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# Argumente wie im Compose (deploy/compose/gpu-llamacpp); gpu_var wählt die Karte aus llamacpp_cards
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llamacpp_k3s_services:
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embed:
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- name: llamacpp-embed
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port: 8081
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gpu_var: EMBED_GPU
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memory_limit: 3Gi
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args: ["-m", "/models/{{ llamacpp_env.EMBED_GGUF }}", "--embedding", "--pooling", "{{ llamacpp_env.EMBED_POOLING }}",
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"-c", "8192", "-b", "8192", "-ub", "8192", "-np", "1", "-ngl", "99", "--alias", "embed-default",
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"--metrics", "--no-slots", "--no-webui", "--host", "0.0.0.0", "--port", "8081"]
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- name: llamacpp-rerank
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port: 8082
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gpu_var: RERANK_GPU
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memory_limit: 3Gi
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args: ["-m", "/models/{{ llamacpp_env.RERANK_GGUF }}", "--reranking",
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"-c", "8192", "-b", "8192", "-ub", "8192", "-np", "1", "-ngl", "99", "--alias", "rerank-default",
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"--metrics", "--no-slots", "--no-webui", "--host", "0.0.0.0", "--port", "8082"]
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chat:
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- name: llamacpp-chat
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port: 8080
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gpu_var: CHAT_GPU
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memory_limit: 6Gi
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args: ["-m", "/models/{{ llamacpp_env.CHAT_GGUF }}", "-c", "8192", "-np", "1", "-ngl", "99",
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"--jinja", "--chat-template-kwargs", "{\"enable_thinking\": false}",
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"--alias", "verifier-small", "--metrics", "--no-slots", "--no-webui",
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"--host", "0.0.0.0", "--port", "8080"]
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@@ -0,0 +1,74 @@
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# llama.cpp in k3s statt Compose (Task 6.1, D6). Aufruf über playbooks/gpu-llamacpp-k3s.yml (je VM nacheinander).
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# Rückweg je VM: kubectl -n knaster delete deploy llamacpp-<vm>, dann in der VM
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# docker compose --project-directory /opt/knaster/gpu-llamacpp start
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- name: Profile, Karten, Modelle
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ansible.builtin.include_tasks: prepare.yml
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# 1. Image aus Docker in das containerd von k3s übernehmen (kein Neubau, kein Registry-Umweg)
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- name: Image in k3s vorhanden?
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ansible.builtin.command: /usr/local/bin/k3s ctr images ls -q
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register: llamacpp_k3s_images
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changed_when: false
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- name: Image aus Docker importieren
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ansible.builtin.shell: set -o pipefail; docker save {{ llamacpp_image }} | /usr/local/bin/k3s ctr images import -
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args:
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executable: /bin/bash
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when: ("docker.io/" ~ llamacpp_image) not in llamacpp_k3s_images.stdout
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async: 1800
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poll: 15
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# 2. Compose-Stack anhalten (Host-Ports und VRAM werden frei), Dateien bleiben für den Rückweg
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- name: Compose-Projekt vorhanden?
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ansible.builtin.stat:
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path: "{{ llamacpp_dir }}/docker-compose.yml"
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register: llamacpp_compose_file
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- name: Compose-Stack anhalten
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community.docker.docker_compose_v2:
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project_src: "{{ llamacpp_dir }}"
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state: stopped
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when: llamacpp_compose_file.stat.exists
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# 3. Manifest je VM rendern (UUID der P2000) und anwenden
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- name: Namespace knaster
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ansible.builtin.command: kubectl apply -f {{ llamacpp_k3s_namespace }}
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register: llamacpp_ns
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changed_when: "'created' in llamacpp_ns.stdout"
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delegate_to: localhost
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become: false
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- name: Deployment anwenden
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ansible.builtin.command:
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cmd: kubectl apply -f -
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stdin: "{{ lookup('template', llamacpp_k3s_template) }}"
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vars:
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llamacpp_k3s_containers: "{{ llamacpp_profiles | map('extract', llamacpp_k3s_services) | flatten }}"
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register: llamacpp_apply
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changed_when: "'configured' in llamacpp_apply.stdout or 'created' in llamacpp_apply.stdout"
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delegate_to: localhost
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become: false
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- name: Warten, bis der Pod bereit ist
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ansible.builtin.command: kubectl -n knaster rollout status deployment/llamacpp-{{ inventory_hostname }} --timeout=600s
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changed_when: false
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delegate_to: localhost
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become: false
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# 4. Prüfen in der VM: Dienste gesund, Prozesse nur auf der P2000
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- name: Gesundheit in der VM prüfen
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ansible.builtin.uri:
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url: "http://127.0.0.1:{{ item.port }}/health"
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status_code: 200
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loop: "{{ llamacpp_profiles | map('extract', llamacpp_k3s_services) | flatten }}"
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loop_control:
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label: "{{ item.name }}:{{ item.port }}"
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- name: Belegung der Karten
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ansible.builtin.command: nvidia-smi --query-gpu=index,name,memory.used,memory.total --format=csv,noheader
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register: llamacpp_vram
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changed_when: false
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- name: Ergebnis
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ansible.builtin.debug:
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msg: "{{ llamacpp_vram.stdout_lines }}"
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@@ -1,11 +1,7 @@
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# llama.cpp-Server je Profil (Task 6.1). Idempotent: Modelle per Prüfsumme, Image nur bauen, wenn es fehlt
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# (Image-Tag enthält Stand und CUDA-Version), compose ändert nur, was sich geändert hat.
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- name: Profile prüfen
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ansible.builtin.assert:
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that:
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- llamacpp_profiles | length > 0
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- llamacpp_profiles | difference(llamacpp_services.keys() | list) | length == 0
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fail_msg: "llamacpp_profiles muss aus {{ llamacpp_services.keys() | list }} bestehen (Inventar, Gruppe gpu_llamacpp)"
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- name: Profile, Karten, Modelle
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ansible.builtin.include_tasks: prepare.yml
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# Compose baut nur mit buildx (BuildKit, auch für den Git-Kontext mit Commit-Pin)
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- name: docker-buildx installieren
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@@ -13,37 +9,6 @@
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name: docker-buildx
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state: present
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# --- Kartenwahl: UUID statt Index, geprüft über den Kartennamen ---
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- name: Karten in der VM lesen
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ansible.builtin.command: nvidia-smi --query-gpu=index,uuid,name --format=csv,noheader
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register: llamacpp_smi
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changed_when: false
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- name: UUID je Dienst aus dem Kartennamen bestimmen
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ansible.builtin.set_fact:
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llamacpp_gpu_env: >-
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{{ llamacpp_gpu_env | default({}) | combine({item.key: (llamacpp_smi.stdout_lines
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| map('split', ', ') | selectattr(2, 'equalto', item.value) | map(attribute=1) | first | default(''))}) }}
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loop: "{{ llamacpp_cards | dict2items }}"
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- name: Jede gewünschte Karte ist vorhanden
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ansible.builtin.assert:
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that: llamacpp_gpu_env[item.key] is match('GPU-')
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fail_msg: "{{ item.value }} für {{ item.key }} nicht gefunden: {{ llamacpp_smi.stdout_lines }}"
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loop: "{{ llamacpp_cards | dict2items }}"
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# --- Modelle ---
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- name: Modelle laden (Prüfsumme gegen Hugging Face)
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ansible.builtin.get_url:
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url: "{{ item.url }}"
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dest: "{{ llamacpp_models_dir }}/{{ item.dest }}"
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checksum: "{{ item.checksum }}"
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mode: "0644"
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timeout: 120
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loop: "{{ llamacpp_profiles | map('extract', llamacpp_models) | flatten }}"
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loop_control:
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label: "{{ item.dest }}"
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# --- Compose-Projekt ---
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- name: Projektverzeichnis
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ansible.builtin.file:
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@@ -0,0 +1,39 @@
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# Gemeinsam für Compose (main.yml) und k3s (k3s.yml): Profile prüfen, P2000 per Name finden, Modelle laden.
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- name: Profile prüfen
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ansible.builtin.assert:
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that:
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- llamacpp_profiles | length > 0
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- llamacpp_profiles | difference(llamacpp_services.keys() | list) | length == 0
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fail_msg: "llamacpp_profiles muss aus {{ llamacpp_services.keys() | list }} bestehen (Inventar, Gruppe gpu_llamacpp)"
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# --- Kartenwahl: UUID statt Index, geprüft über den Kartennamen ---
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- name: Karten in der VM lesen
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ansible.builtin.command: nvidia-smi --query-gpu=index,uuid,name --format=csv,noheader
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register: llamacpp_smi
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changed_when: false
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- name: UUID je Dienst aus dem Kartennamen bestimmen
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ansible.builtin.set_fact:
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llamacpp_gpu_env: >-
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{{ llamacpp_gpu_env | default({}) | combine({item.key: (llamacpp_smi.stdout_lines
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| map('split', ', ') | selectattr(2, 'equalto', item.value) | map(attribute=1) | first | default(''))}) }}
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loop: "{{ llamacpp_cards | dict2items }}"
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- name: Jede gewünschte Karte ist vorhanden
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ansible.builtin.assert:
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that: llamacpp_gpu_env[item.key] is match('GPU-')
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fail_msg: "{{ item.value }} für {{ item.key }} nicht gefunden: {{ llamacpp_smi.stdout_lines }}"
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loop: "{{ llamacpp_cards | dict2items }}"
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# --- Modelle ---
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- name: Modelle laden (Prüfsumme gegen Hugging Face)
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ansible.builtin.get_url:
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url: "{{ item.url }}"
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dest: "{{ llamacpp_models_dir }}/{{ item.dest }}"
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checksum: "{{ item.checksum }}"
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mode: "0644"
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timeout: 120
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loop: "{{ llamacpp_profiles | map('extract', llamacpp_models) | flatten }}"
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loop_control:
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label: "{{ item.dest }}"
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