f-50: lab: scénarios E5, configuration de l'agent par hyperviseur, release 0.2.0rc003 #50
Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
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GPG key ID:
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25 changed files with 760 additions and 27 deletions
151
scripts/lab/node.sh
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151
scripts/lab/node.sh
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@ -0,0 +1,151 @@
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set -u
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API=http://127.0.0.1:8080
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IMAGE_URL=https://cloud.debian.org/images/cloud/bookworm/latest
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IMAGE_FILE=debian-12-genericcloud-amd64.qcow2
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TWO_IMAGE=/var/tmp/deb-two.qcow2
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VM_KEY=/root/.ssh/lab-vm
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VOLUMES=/var/lib/two/volumes
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check () {
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local desc="${1}" out
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shift
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if out=$("$@" 2>&1); then
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echo "RÉUSSI: ${desc}"
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else
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echo "ÉCHOUÉ: ${desc}${out:+ — $(printf '%s' "${out}" | tail -n 1)}"
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fi
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}
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info () { echo "INFO: ${1}"; }
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api_post () {
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curl -fsS -o /dev/null -X POST -H 'Content-Type: application/json' -d "${2}" "${API}/${1}"
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}
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api_delete () {
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curl -fsS -o /dev/null -X DELETE "${API}/${1}"
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}
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api_state () {
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curl -fsS "${API}/${1}" 2>/dev/null | jq -r .state
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}
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wait_state () {
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local path="${1}" want="${2}" i s
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for i in $(seq 1 90); do
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s=$(api_state "${path}")
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[ "${s}" = "${want}" ] && return 0
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[ "${want}" = deleted ] && [ -z "${s}" ] && return 0
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[ "${s}" = error ] && { echo "${path}: error" >&2; return 1; }
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sleep 2
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done
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echo "${path}: ${s:-absent}, ${want} attendu" >&2
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return 1
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}
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vpc_create () {
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api_state "vpcs/${1}" | grep -qx running && return 0
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api_post vpcs "{\"name\":\"${1}\",\"cidr\":\"${2}\"}" && wait_state "vpcs/${1}" running
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}
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subnet_create () {
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local name="${1}" vpc="${2}" vni="${3}" gw="${4}" cidr="${5}" extra="${6:-}"
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api_state "subnets/${name}" | grep -qx running && return 0
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api_post subnets "{\"name\":\"${name}\",\"vpc\":\"${vpc}\",\"mode\":\"vxlan\",\"vxlan_id\":${vni},\"iface_type\":\"vms\",\"interface_ip\":\"${gw}\",\"cidr\":\"${cidr}\"${extra}}" \
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&& wait_state "subnets/${name}" running
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}
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two_image () {
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[ -f "${TWO_IMAGE}" ] && return 0
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local work
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work=$(mktemp -d)
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curl -fsSL -o "${work}/${IMAGE_FILE}" "${IMAGE_URL}/${IMAGE_FILE}" || return 1
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curl -fsSL "${IMAGE_URL}/SHA512SUMS" | grep " ${IMAGE_FILE}\$" > "${work}/sums" || return 1
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(cd "${work}" && sha512sum -c sums >/dev/null) || { echo "image: somme SHA-512 incorrecte" >&2; return 1; }
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command -v qemu-nbd >/dev/null || DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends qemu-utils >/dev/null
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modprobe nbd max_part=8
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qemu-nbd -c /dev/nbd0 "${work}/${IMAGE_FILE}" || return 1
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for i in $(seq 1 20); do [ -b /dev/nbd0p1 ] && break; sleep 0.5; done
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mkdir -p /mnt/two-image
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mount /dev/nbd0p1 /mnt/two-image || { qemu-nbd -d /dev/nbd0 >/dev/null; return 1; }
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printf '%s\n' 'datasource_list: [ NoCloud ]' 'datasource:' ' NoCloud:' " seedfrom: 'http://169.254.169.254:80/'" ' timeout: 5' ' max_wait: 10' \
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> /mnt/two-image/etc/cloud/cloud.cfg.d/99_metadata.cfg
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umount /mnt/two-image
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qemu-nbd -d /dev/nbd0 >/dev/null
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mv "${work}/${IMAGE_FILE}" "${TWO_IMAGE}"
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rm -rf "${work}"
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}
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vm_key () {
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[ -f "${VM_KEY}" ] || ssh-keygen -q -t ed25519 -N '' -C lab-vm -f "${VM_KEY}"
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cat "${VM_KEY}.pub"
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}
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vm_create () {
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local name="${1}" subnet="${2}" ip="${3}" key="${4:-}" meta="{}"
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[ -n "${key}" ] && meta="{\"sshkey\":\"${key}\"}"
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mkdir -p "${VOLUMES}"
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cp "${TWO_IMAGE}" "${VOLUMES}/${name}.qcow2" || return 1
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api_post vms "{\"name\":\"${name}\",\"memory\":1024,\"cpus\":1,\"metadata\":${meta},\"interfaces\":[{\"subnet\":\"${subnet}\",\"ip\":\"${ip}\",\"primary\":true}],\"storage\":[{\"path\":\"${VOLUMES}/${name}.qcow2\",\"dev\":\"vda\"}]}" \
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&& wait_state "vms/${name}" running
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}
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vm_delete () {
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api_delete "vms/${1}" && wait_state "vms/${1}" deleted
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}
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vm_ssh () {
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local vpc="${1}" ip="${2}"
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shift 2
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ip netns exec "${vpc}" ssh -i "${VM_KEY}" -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
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-o LogLevel=ERROR -o ConnectTimeout=3 -o BatchMode=yes -n "syonad@${ip}" "$@"
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}
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vm_wait () {
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local i
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for i in $(seq 1 40); do
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vm_ssh "${1}" "${2}" true 2>/dev/null && return 0
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sleep 5
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done
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echo "${2}: SSH injoignable" >&2
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return 1
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}
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vm_fails () {
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local out
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out=$(vm_ssh "${1}" "${2}" "${3} >/dev/null 2>&1; echo rc=\$?") || { echo "SSH vers ${2} en échec"; return 1; }
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case "${out}" in
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rc=0) echo "la commande a réussi dans ${2}"; return 1 ;;
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rc=*) return 0 ;;
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*) echo "sortie inattendue : ${out}"; return 1 ;;
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esac
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}
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vm_grep () {
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vm_ssh "${1}" "${2}" "${3} 2>&1" | grep -q -- "${4}"
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}
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has_addr () {
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vm_ssh "${1}" "${2}" 'ip -4 -o addr show dev ens3' | grep -q " ${2}/"
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}
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route_via () {
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vm_ssh "${1}" "${2}" "ip -4 route show ${3}" | grep -q "via ${4} "
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}
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dhcp_hosts () {
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python3 - "/run/two/dhcp/${1}.sock" <<'PY'
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import json, socket, sys
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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s.connect(sys.argv[1])
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s.sendall(b'{"verb":"get-state"}\n')
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buf = b""
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while not buf.endswith(b"\n"):
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c = s.recv(65536)
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if not c:
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break
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buf += c
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state = json.loads(buf).get("state") or {}
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print(" ".join(sorted(h["mac"].lower() for h in state.get("hosts") or [])))
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PY
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}
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