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Malio-ops/RebuildBdd/bootstrap-target-host.sh
2026-03-17 10:11:00 +01:00

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#!/usr/bin/env bash
set -euo pipefail
###############################################################################
# bootstrap-target-host.sh
#
# Bootstrap initial d'une machine cible neuve ou quasi neuve.
#
# Ce script est lancé depuis la machine de pilotage et :
# 1. charge le .env local ;
# 2. récupère la configuration bootstrap de la cible ;
# 3. teste la connexion SSH de bootstrap ;
# 4. installe le socle minimal sur la cible ;
# 5. crée les dossiers de travail ;
# 6. génère le .env cible ;
# 7. clone ou met à jour le dépôt distant.
#
# À ce stade, il ne gère pas encore :
# - la clé SSH backup ;
# - known_hosts backup ;
# - sudoers PostgreSQL ;
# - le lancement du rebuild.
###############################################################################
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
DEFAULT_ENV_FILE="${SCRIPT_DIR}/.env"
ENV_FILE="${ENV_FILE:-$DEFAULT_ENV_FILE}"
TARGET_NAME="${TARGET_NAME:-}"
CLI_TARGET=""
JSON_ONLY="${JSON_ONLY:-no}"
while [[ $# -gt 0 ]]; do
case "$1" in
--env-file)
[[ $# -ge 2 ]] || { echo "Argument manquant pour --env-file" >&2; exit 1; }
ENV_FILE="$2"
shift 2
;;
--target)
[[ $# -ge 2 ]] || { echo "Argument manquant pour --target" >&2; exit 1; }
CLI_TARGET="$2"
shift 2
;;
--json-only)
JSON_ONLY="yes"
shift
;;
*)
echo "Argument inconnu : $1" >&2
exit 1
;;
esac
done
print_stdout() {
[[ "$JSON_ONLY" == "yes" ]] || echo "$*"
}
log() {
print_stdout "[$(date '+%Y-%m-%d %H:%M:%S')] $*"
}
fail() {
local msg="$1"
if [[ "$JSON_ONLY" == "yes" ]]; then
printf '{"status":"error","message":"%s"}\n' "$(printf '%s' "$msg" | python3 -c 'import json,sys; print(json.dumps(sys.stdin.read()))' | sed 's/^"//;s/"$//')"
else
echo "ERROR: $msg" >&2
fi
exit 1
}
success() {
local msg="$1"
if [[ "$JSON_ONLY" == "yes" ]]; then
printf '{"status":"success","message":"%s"}\n' "$(printf '%s' "$msg" | python3 -c 'import json,sys; print(json.dumps(sys.stdin.read()))' | sed 's/^"//;s/"$//')"
else
log "$msg"
fi
}
require_cmd() {
command -v "$1" >/dev/null 2>&1 || fail "commande requise absente : $1"
}
sanitize_key() {
local value="${1:-}"
value="${value//[^a-zA-Z0-9_]/_}"
printf '%s' "$value"
}
get_env_var() {
local var_name="$1"
printf '%s' "${!var_name:-}"
}
shell_quote() {
printf "%q" "$1"
}
[[ -f "$ENV_FILE" ]] || fail "fichier .env introuvable : $ENV_FILE"
set -a
# shellcheck disable=SC1090
source "$ENV_FILE"
set +a
TARGET_NAME="${CLI_TARGET:-${TARGET_NAME:-}}"
[[ -n "$TARGET_NAME" ]] || fail "target manquante"
SAFE_TARGET="$(sanitize_key "$TARGET_NAME")"
BOOTSTRAP_HOST="$(get_env_var "TARGET_HOST_${SAFE_TARGET}")"
BOOTSTRAP_PORT="$(get_env_var "TARGET_PORT_${SAFE_TARGET}")"
BOOTSTRAP_USER="$(get_env_var "TARGET_BOOTSTRAP_USER_${SAFE_TARGET}")"
BOOTSTRAP_SSH_KEY="$(get_env_var "TARGET_BOOTSTRAP_SSH_KEY_${SAFE_TARGET}")"
TARGET_REPO_URL="$(get_env_var "TARGET_REPO_URL_${SAFE_TARGET}")"
TARGET_REPO_BRANCH="$(get_env_var "TARGET_REPO_BRANCH_${SAFE_TARGET}")"
TARGET_REPO_DIR="$(get_env_var "TARGET_REPO_DIR_${SAFE_TARGET}")"
TARGET_ENV_FILE_PATH="$(get_env_var "TARGET_ENV_FILE_${SAFE_TARGET}")"
TARGET_ENV_NAME_VALUE="$(get_env_var "TARGET_ENV_NAME_${SAFE_TARGET}")"
TARGET_PGHOST_VALUE="$(get_env_var "TARGET_PGHOST_${SAFE_TARGET}")"
TARGET_PGPORT_VALUE="$(get_env_var "TARGET_PGPORT_${SAFE_TARGET}")"
TARGET_PGUSER_VALUE="$(get_env_var "TARGET_PGUSER_${SAFE_TARGET}")"
TARGET_PGPASSWORD_VALUE="$(get_env_var "TARGET_PGPASSWORD_${SAFE_TARGET}")"
TARGET_DBS_VALUE="$(get_env_var "TARGET_DBS_${SAFE_TARGET}")"
TARGET_BACKUP_REMOTE_USER_VALUE="$(get_env_var "TARGET_BACKUP_REMOTE_USER_${SAFE_TARGET}")"
TARGET_BACKUP_REMOTE_HOST_VALUE="$(get_env_var "TARGET_BACKUP_REMOTE_HOST_${SAFE_TARGET}")"
TARGET_BACKUP_REMOTE_DIR_VALUE="$(get_env_var "TARGET_BACKUP_REMOTE_DIR_${SAFE_TARGET}")"
TARGET_BACKUP_REMOTE_SSH_PORT_VALUE="$(get_env_var "TARGET_BACKUP_REMOTE_SSH_PORT_${SAFE_TARGET}")"
TARGET_BACKUP_LOG_DIR_VALUE="$(get_env_var "TARGET_BACKUP_LOG_DIR_${SAFE_TARGET}")"
TARGET_LOCAL_RESTORE_BASE_DIR_VALUE="$(get_env_var "TARGET_LOCAL_RESTORE_BASE_DIR_${SAFE_TARGET}")"
TARGET_REMOTE_ROLES_DIR_NAME_VALUE="$(get_env_var "TARGET_REMOTE_ROLES_DIR_NAME_${SAFE_TARGET}")"
TARGET_SSH_KEY_VALUE="$(get_env_var "TARGET_SSH_KEY_${SAFE_TARGET}")"
TARGET_AUTO_INSTALL_POSTGRES_VALUE="$(get_env_var "TARGET_AUTO_INSTALL_POSTGRES_${SAFE_TARGET}")"
TARGET_AUTO_CREATE_PGUSER_VALUE="$(get_env_var "TARGET_AUTO_CREATE_PGUSER_${SAFE_TARGET}")"
TARGET_PGUSER_SUPERUSER_VALUE="$(get_env_var "TARGET_PGUSER_SUPERUSER_${SAFE_TARGET}")"
TARGET_AUTO_CONFIGURE_SUDOERS_VALUE="$(get_env_var "TARGET_AUTO_CONFIGURE_SUDOERS_${SAFE_TARGET}")"
TARGET_EXCLUDED_RESTORE_ROLES_VALUE="$(get_env_var "TARGET_EXCLUDED_RESTORE_ROLES_${SAFE_TARGET}")"
[[ -n "$BOOTSTRAP_HOST" ]] || fail "TARGET_HOST_${SAFE_TARGET} manquante"
[[ -n "$BOOTSTRAP_PORT" ]] || BOOTSTRAP_PORT="22"
[[ -n "$BOOTSTRAP_USER" ]] || fail "TARGET_BOOTSTRAP_USER_${SAFE_TARGET} manquante"
[[ -n "$BOOTSTRAP_SSH_KEY" ]] || fail "TARGET_BOOTSTRAP_SSH_KEY_${SAFE_TARGET} manquante"
[[ -f "$BOOTSTRAP_SSH_KEY" ]] || fail "clé bootstrap introuvable : $BOOTSTRAP_SSH_KEY"
[[ -r "$BOOTSTRAP_SSH_KEY" ]] || fail "clé bootstrap non lisible : $BOOTSTRAP_SSH_KEY"
[[ -n "$TARGET_REPO_URL" ]] || fail "TARGET_REPO_URL_${SAFE_TARGET} manquante"
[[ -n "$TARGET_REPO_BRANCH" ]] || fail "TARGET_REPO_BRANCH_${SAFE_TARGET} manquante"
[[ -n "$TARGET_REPO_DIR" ]] || fail "TARGET_REPO_DIR_${SAFE_TARGET} manquante"
[[ -n "$TARGET_ENV_FILE_PATH" ]] || fail "TARGET_ENV_FILE_${SAFE_TARGET} manquante"
[[ -n "$TARGET_ENV_NAME_VALUE" ]] || fail "TARGET_ENV_NAME_${SAFE_TARGET} manquante"
[[ -n "$TARGET_PGHOST_VALUE" ]] || fail "TARGET_PGHOST_${SAFE_TARGET} manquante"
[[ -n "$TARGET_PGPORT_VALUE" ]] || fail "TARGET_PGPORT_${SAFE_TARGET} manquante"
[[ -n "$TARGET_PGUSER_VALUE" ]] || fail "TARGET_PGUSER_${SAFE_TARGET} manquante"
[[ -n "$TARGET_PGPASSWORD_VALUE" ]] || fail "TARGET_PGPASSWORD_${SAFE_TARGET} manquante"
[[ -n "$TARGET_DBS_VALUE" ]] || fail "TARGET_DBS_${SAFE_TARGET} manquante"
[[ -n "$TARGET_BACKUP_REMOTE_USER_VALUE" ]] || fail "TARGET_BACKUP_REMOTE_USER_${SAFE_TARGET} manquante"
[[ -n "$TARGET_BACKUP_REMOTE_HOST_VALUE" ]] || fail "TARGET_BACKUP_REMOTE_HOST_${SAFE_TARGET} manquante"
[[ -n "$TARGET_BACKUP_REMOTE_DIR_VALUE" ]] || fail "TARGET_BACKUP_REMOTE_DIR_${SAFE_TARGET} manquante"
[[ -n "$TARGET_BACKUP_LOG_DIR_VALUE" ]] || fail "TARGET_BACKUP_LOG_DIR_${SAFE_TARGET} manquante"
[[ -n "$TARGET_BACKUP_REMOTE_SSH_PORT_VALUE" ]] || TARGET_BACKUP_REMOTE_SSH_PORT_VALUE="22"
[[ -n "$TARGET_LOCAL_RESTORE_BASE_DIR_VALUE" ]] || TARGET_LOCAL_RESTORE_BASE_DIR_VALUE="${TARGET_REPO_DIR}/restore_tmp"
[[ -n "$TARGET_REMOTE_ROLES_DIR_NAME_VALUE" ]] || TARGET_REMOTE_ROLES_DIR_NAME_VALUE="user"
[[ -n "$TARGET_SSH_KEY_VALUE" ]] || TARGET_SSH_KEY_VALUE="/home/${BOOTSTRAP_USER}/.ssh/id_ed25519_backup_readonly"
[[ -n "$TARGET_AUTO_INSTALL_POSTGRES_VALUE" ]] || TARGET_AUTO_INSTALL_POSTGRES_VALUE="yes"
[[ -n "$TARGET_AUTO_CREATE_PGUSER_VALUE" ]] || TARGET_AUTO_CREATE_PGUSER_VALUE="yes"
[[ -n "$TARGET_PGUSER_SUPERUSER_VALUE" ]] || TARGET_PGUSER_SUPERUSER_VALUE="no"
[[ -n "$TARGET_AUTO_CONFIGURE_SUDOERS_VALUE" ]] || TARGET_AUTO_CONFIGURE_SUDOERS_VALUE="no"
[[ -n "$TARGET_EXCLUDED_RESTORE_ROLES_VALUE" ]] || TARGET_EXCLUDED_RESTORE_ROLES_VALUE="postgres"
require_cmd ssh
require_cmd scp
require_cmd python3
SSH_OPTS=(
-i "$BOOTSTRAP_SSH_KEY"
-p "$BOOTSTRAP_PORT"
-o IdentitiesOnly=yes
-o BatchMode=yes
-o StrictHostKeyChecking=accept-new
-o ConnectTimeout=8
)
REMOTE="${BOOTSTRAP_USER}@${BOOTSTRAP_HOST}"
log "Test de connexion SSH bootstrap vers ${REMOTE}:${BOOTSTRAP_PORT}"
ssh "${SSH_OPTS[@]}" "$REMOTE" "exit 0" >/dev/null 2>&1 \
|| fail "connexion SSH bootstrap impossible vers ${REMOTE}"
REMOTE_SETUP_CMD="
set -euo pipefail
export DEBIAN_FRONTEND=noninteractive
if command -v apt-get >/dev/null 2>&1; then
if command -v sudo >/dev/null 2>&1; then
sudo apt-get update
sudo apt-get install -y bash git python3 sudo curl openssh-client ca-certificates
else
apt-get update
apt-get install -y bash git python3 sudo curl openssh-client ca-certificates
fi
else
echo 'apt-get absent sur la cible' >&2
exit 1
fi
mkdir -p $(shell_quote "$(dirname "$TARGET_REPO_DIR")")
mkdir -p $(shell_quote "$(dirname "$TARGET_ENV_FILE_PATH")")
mkdir -p $(shell_quote "$TARGET_BACKUP_LOG_DIR_VALUE")
mkdir -p $(shell_quote "$TARGET_LOCAL_RESTORE_BASE_DIR_VALUE")
mkdir -p $(shell_quote "$(dirname "$TARGET_SSH_KEY_VALUE")")
"
log "Installation du socle minimal sur la cible"
ssh "${SSH_OPTS[@]}" "$REMOTE" "$REMOTE_SETUP_CMD" \
|| fail "échec de préparation système distante"
TMP_ENV_FILE="$(mktemp)"
cleanup() {
rm -f "$TMP_ENV_FILE"
}
trap cleanup EXIT
cat >"$TMP_ENV_FILE" <<EOF
ENV_NAME=$(printf '%s\n' "$TARGET_ENV_NAME_VALUE")
PGHOST=$(printf '%s\n' "$TARGET_PGHOST_VALUE")
PGPORT=$(printf '%s\n' "$TARGET_PGPORT_VALUE")
PGUSER=$(printf '%s\n' "$TARGET_PGUSER_VALUE")
PGPASSWORD=$(printf '%s\n' "$TARGET_PGPASSWORD_VALUE")
DBS=$(printf '%s\n' "$TARGET_DBS_VALUE")
BACKUP_REMOTE_USER=$(printf '%s\n' "$TARGET_BACKUP_REMOTE_USER_VALUE")
BACKUP_REMOTE_HOST=$(printf '%s\n' "$TARGET_BACKUP_REMOTE_HOST_VALUE")
BACKUP_REMOTE_DIR=$(printf '%s\n' "$TARGET_BACKUP_REMOTE_DIR_VALUE")
BACKUP_REMOTE_SSH_PORT=$(printf '%s\n' "$TARGET_BACKUP_REMOTE_SSH_PORT_VALUE")
BACKUP_LOG_DIR=$(printf '%s\n' "$TARGET_BACKUP_LOG_DIR_VALUE")
LOCAL_RESTORE_BASE_DIR=$(printf '%s\n' "$TARGET_LOCAL_RESTORE_BASE_DIR_VALUE")
REMOTE_ROLES_DIR_NAME=$(printf '%s\n' "$TARGET_REMOTE_ROLES_DIR_NAME_VALUE")
SSH_KEY=$(printf '%s\n' "$TARGET_SSH_KEY_VALUE")
AUTO_INSTALL_POSTGRES=$(printf '%s\n' "$TARGET_AUTO_INSTALL_POSTGRES_VALUE")
AUTO_CREATE_PGUSER=$(printf '%s\n' "$TARGET_AUTO_CREATE_PGUSER_VALUE")
PGUSER_SUPERUSER=$(printf '%s\n' "$TARGET_PGUSER_SUPERUSER_VALUE")
AUTO_CONFIGURE_SUDOERS=$(printf '%s\n' "$TARGET_AUTO_CONFIGURE_SUDOERS_VALUE")
EXCLUDED_RESTORE_ROLES=$(printf '%s\n' "$TARGET_EXCLUDED_RESTORE_ROLES_VALUE")
EOF
log "Copie du .env cible"
scp "${SSH_OPTS[@]}" "$TMP_ENV_FILE" "${REMOTE}:$(printf '%q' "$TARGET_ENV_FILE_PATH")" >/dev/null 2>&1 \
|| fail "échec de copie du .env cible"
REMOTE_REPO_CMD="
set -euo pipefail
if [[ ! -d $(shell_quote "${TARGET_REPO_DIR}/.git") ]]; then
rm -rf $(shell_quote "$TARGET_REPO_DIR")
git clone --branch $(shell_quote "$TARGET_REPO_BRANCH") --single-branch $(shell_quote "$TARGET_REPO_URL") $(shell_quote "$TARGET_REPO_DIR")
else
git -C $(shell_quote "$TARGET_REPO_DIR") fetch --prune origin
git -C $(shell_quote "$TARGET_REPO_DIR") checkout -f $(shell_quote "$TARGET_REPO_BRANCH")
git -C $(shell_quote "$TARGET_REPO_DIR") reset --hard origin/$(shell_quote "$TARGET_REPO_BRANCH")
fi
chmod 700 $(shell_quote "$TARGET_REPO_DIR/run-rebuild-bdd.sh") 2>/dev/null || true
chmod 700 $(shell_quote "$TARGET_REPO_DIR/rebuild-bdd-core.sh") 2>/dev/null || true
chmod 700 $(shell_quote "$TARGET_REPO_DIR/Checkup/check-postgresql.sh") 2>/dev/null || true
chmod 700 $(shell_quote "$TARGET_REPO_DIR/Checkup/check-target-readiness.sh") 2>/dev/null || true
"
log "Clone / mise à jour du dépôt distant"
ssh "${SSH_OPTS[@]}" "$REMOTE" "$REMOTE_REPO_CMD" \
|| fail "échec de synchronisation du dépôt sur la cible"
success "bootstrap initial terminé pour ${TARGET_NAME}"