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feat: rôle hermes_user + ask-agent + skills délégation
- Nouveau rôle hermes_user : création user/group UID 1002 sur storage-01 et gpu-01, sudoers limités par host, clé SSH ed25519 générée sur storage-01 et distribuée vers gpu-01, ssh_config + known_hosts - Kubeconfig copié depuis ansible vers hermes sur storage-01 - ask-agent : script bash LiteLLM pour déléguer aux agents system/monitor/brain/funk-ai - hermes-skills/funk/agent-delegation : skill Hermes pour les inter-profile calls avec pattern Terminal: ask-agent - Playbooks storage-01 et gpu-01 : ajout du rôle hermes_user Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- name: Configure gpu-01
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hosts: gpu_hosts
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roles:
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- { role: hermes_user, tags: [hermes_user] }
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- { role: common, tags: [common] }
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- { role: rocm, tags: [rocm] }
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- { role: nfs_client, tags: [nfs_client] }
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- name: Configure storage-01
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hosts: gateway
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roles:
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- { role: hermes_user, tags: [hermes_user] }
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- { role: common, tags: [common] }
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- { role: gateway, tags: [gateway] }
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- { role: dnsmasq, tags: [dnsmasq] }
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9
ansible/roles/hermes_user/defaults/main.yml
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9
ansible/roles/hermes_user/defaults/main.yml
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---
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hermes_user: hermes
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hermes_group: hermes
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hermes_uid: 1002
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hermes_gid: 1002
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hermes_home: /opt/hermes
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hermes_shell: /bin/bash
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hermes_ssh_key_type: ed25519
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hermes_ssh_key_comment: "hermes@funk-cluster"
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151
ansible/roles/hermes_user/tasks/main.yml
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151
ansible/roles/hermes_user/tasks/main.yml
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---
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# ── User creation (tous les hosts) ────────────────────────────────────────────
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- name: Create hermes group
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ansible.builtin.group:
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name: "{{ hermes_group }}"
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gid: "{{ hermes_gid }}"
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state: present
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- name: Create hermes user
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ansible.builtin.user:
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name: "{{ hermes_user }}"
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group: "{{ hermes_group }}"
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uid: "{{ hermes_uid }}"
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home: "{{ hermes_home }}"
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shell: "{{ hermes_shell }}"
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create_home: true
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state: present
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- name: Create .ssh directory for hermes
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ansible.builtin.file:
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path: "{{ hermes_home }}/.ssh"
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state: directory
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owner: "{{ hermes_user }}"
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group: "{{ hermes_group }}"
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mode: '0700'
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- name: Add hermes to systemd-journal group
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ansible.builtin.user:
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name: "{{ hermes_user }}"
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groups: systemd-journal
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append: true
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# ── Sudoers limité ─────────────────────────────────────────────────────────────
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- name: Allow hermes limited sudo on storage-01
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ansible.builtin.copy:
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dest: /etc/sudoers.d/hermes
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content: |
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# Hermes agent — monitoring local
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hermes ALL=(ALL) NOPASSWD: /usr/sbin/smartctl *
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hermes ALL=(ALL) NOPASSWD: /usr/bin/journalctl *
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mode: '0440'
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validate: /usr/sbin/visudo -cf %s
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when: inventory_hostname in groups['gateway']
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- name: Allow hermes limited sudo on gpu-01
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ansible.builtin.copy:
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dest: /etc/sudoers.d/hermes
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content: |
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# Hermes agent — GPU monitoring
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hermes ALL=(ALL) NOPASSWD: /usr/bin/rocm-smi
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hermes ALL=(ALL) NOPASSWD: /bin/systemctl status llama-server*
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hermes ALL=(ALL) NOPASSWD: /usr/bin/journalctl *
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mode: '0440'
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validate: /usr/sbin/visudo -cf %s
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when: inventory_hostname in groups['gpu_hosts']
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# ── Génération clé SSH (storage-01 uniquement) ────────────────────────────────
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- name: Generate SSH key for hermes
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ansible.builtin.user:
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name: "{{ hermes_user }}"
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generate_ssh_key: true
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ssh_key_type: "{{ hermes_ssh_key_type }}"
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ssh_key_file: ".ssh/id_{{ hermes_ssh_key_type }}"
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ssh_key_comment: "{{ hermes_ssh_key_comment }}"
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when: inventory_hostname in groups['gateway']
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- name: Read hermes public key
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ansible.builtin.slurp:
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src: "{{ hermes_home }}/.ssh/id_{{ hermes_ssh_key_type }}.pub"
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register: hermes_pub_key
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when: inventory_hostname in groups['gateway']
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# ── Distribution clé publique → gpu-01 ────────────────────────────────────────
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- name: Add hermes public key to gpu-01 authorized_keys
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ansible.posix.authorized_key:
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user: "{{ hermes_user }}"
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key: "{{ hermes_pub_key.content | b64decode | trim }}"
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state: present
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delegate_to: "{{ item }}"
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loop: "{{ groups['gpu_hosts'] }}"
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when: inventory_hostname in groups['gateway']
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# ── SSH config + known_hosts (storage-01) ─────────────────────────────────────
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- name: Deploy SSH client config for hermes
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ansible.builtin.template:
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src: ssh_config.j2
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dest: "{{ hermes_home }}/.ssh/config"
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owner: "{{ hermes_user }}"
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group: "{{ hermes_group }}"
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mode: '0600'
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when: inventory_hostname in groups['gateway']
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- name: Scan gpu-01 SSH host key
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ansible.builtin.command:
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cmd: "ssh-keyscan -t ed25519 {{ hostvars['gpu-01'].ansible_host }}"
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register: gpu01_hostkey
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changed_when: false
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when: inventory_hostname in groups['gateway']
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- name: Add gpu-01 to hermes known_hosts
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ansible.builtin.known_hosts:
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name: "{{ hostvars['gpu-01'].ansible_host }}"
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key: "{{ gpu01_hostkey.stdout }}"
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path: "{{ hermes_home }}/.ssh/known_hosts"
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state: present
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when:
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- inventory_hostname in groups['gateway']
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- gpu01_hostkey.stdout | length > 0
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- name: Fix ownership of hermes .ssh directory
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ansible.builtin.file:
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path: "{{ hermes_home }}/.ssh"
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state: directory
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owner: "{{ hermes_user }}"
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group: "{{ hermes_group }}"
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recurse: true
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when: inventory_hostname in groups['gateway']
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# ── kubeconfig pour kubectl (storage-01) ──────────────────────────────────────
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- name: Create .kube directory for hermes
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ansible.builtin.file:
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path: "{{ hermes_home }}/.kube"
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state: directory
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owner: "{{ hermes_user }}"
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group: "{{ hermes_group }}"
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mode: '0700'
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when: inventory_hostname in groups['gateway']
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- name: Check if ansible kubeconfig exists
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ansible.builtin.stat:
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path: /home/ansible/.kube/config
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register: ansible_kubeconfig
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when: inventory_hostname in groups['gateway']
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- name: Copy kubeconfig to hermes home
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ansible.builtin.copy:
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src: /home/ansible/.kube/config
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dest: "{{ hermes_home }}/.kube/config"
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owner: "{{ hermes_user }}"
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group: "{{ hermes_group }}"
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mode: '0600'
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remote_src: true
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when:
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- inventory_hostname in groups['gateway']
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- ansible_kubeconfig.stat.exists
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6
ansible/roles/hermes_user/templates/ssh_config.j2
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6
ansible/roles/hermes_user/templates/ssh_config.j2
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Host gpu-01
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HostName {{ hostvars['gpu-01'].ansible_host }}
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User {{ hermes_user }}
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IdentityFile ~/.ssh/id_{{ hermes_ssh_key_type }}
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StrictHostKeyChecking accept-new
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ConnectTimeout 10
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73
ansible/roles/litellm/files/ask-agent
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73
ansible/roles/litellm/files/ask-agent
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#!/usr/bin/env bash
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# ask-agent — Délègue une question à un agent Funk via LiteLLM.
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#
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# Usage:
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# ask-agent <agent> "<question>"
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# ask-agent <agent> "<question>" [--max-tokens N] [--system "<prompt>"]
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#
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# Agents: system | monitor | brain | funk-ai
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set -euo pipefail
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LITELLM_URL="http://127.0.0.1:4000/v1/chat/completions"
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API_KEY="lm-studio"
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MAX_TOKENS=1000
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SYSTEM_PROMPT=""
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declare -A MODELS=(
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[system]="qwen3-1.7b-system"
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[monitor]="qwen3-1.7b-monitor"
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[brain]="claude-sonnet-4-6"
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[funk-ai]="qwen3-8b"
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)
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usage() {
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echo "Usage: ask-agent <agent> \"<question>\" [--max-tokens N] [--system \"<prompt>\"]"
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echo "Agents: system | monitor | brain | funk-ai"
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exit 1
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}
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[ $# -lt 2 ] && usage
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AGENT="$1"
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QUESTION="$2"
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shift 2
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while [ $# -gt 0 ]; do
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case "$1" in
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--max-tokens) MAX_TOKENS="$2"; shift 2 ;;
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--system) SYSTEM_PROMPT="$2"; shift 2 ;;
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*) echo "Option inconnue : $1" >&2; exit 1 ;;
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esac
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done
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MODEL="${MODELS[$AGENT]:-}"
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if [ -z "$MODEL" ]; then
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echo "Agent inconnu : $AGENT. Agents valides : ${!MODELS[*]}" >&2
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exit 1
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fi
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# Construire le tableau messages JSON
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if [ -n "$SYSTEM_PROMPT" ]; then
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MESSAGES=$(jq -n \
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--arg sp "$SYSTEM_PROMPT" \
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--arg q "$QUESTION" \
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'[{"role":"system","content":$sp},{"role":"user","content":$q}]')
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else
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MESSAGES=$(jq -n \
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--arg q "$QUESTION" \
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'[{"role":"user","content":$q}]')
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fi
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PAYLOAD=$(jq -n \
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--arg model "$MODEL" \
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--argjson messages "$MESSAGES" \
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--argjson max_tokens "$MAX_TOKENS" \
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'{model:$model, messages:$messages, max_tokens:$max_tokens, stream:false}')
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curl -s -f \
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-X POST "$LITELLM_URL" \
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-H "Authorization: Bearer $API_KEY" \
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-H "Content-Type: application/json" \
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-d "$PAYLOAD" \
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| jq -r '.choices[0].message.content'
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