vault app_role secrets pass

2025-11-07 11:15:57 +01:00
parent 385c98939a
commit 0bb32ccabd
3 changed files with 51 additions and 19 deletions
--- a/.woodpecker/db.yml
+++ b/.woodpecker/db.yml
@@ -6,6 +6,7 @@ steps:
  - name: version
    image: alpine:latest
    commands:
+      - set -euo pipefail
      - apk add --no-cache git
      - GIT_REV="$(git rev-parse --short HEAD)"
      - BUILD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
@@ -16,17 +17,22 @@ steps:
    image: alpine:latest
    depends_on: [ version ]
    environment:
+      # Vault access for CI (AppRole for CI itself, NOT the app AppRole)
      VAULT_ADDR: https://vault.sendico.io
-      VAULT_ROLE_ID:     { from_secret: VAULT_APP_ROLE }
-      VAULT_SECRET_ID:   { from_secret: VAULT_SECRET_ID }
+      VAULT_ROLE_ID:   { from_secret: VAULT_APP_ROLE }     # CI's AppRole role_id
+      VAULT_SECRET_ID: { from_secret: VAULT_SECRET_ID }    # CI's AppRole secret_id
    commands:
+      - set -euo pipefail
      - apk add --no-cache curl bash coreutils sed python3 openssh-keygen
      - mkdir -p secrets
-      # fetch SSH private key for deploy (base64-encoded) and decode
+      # Fetch SSH private key for deploy (base64-encoded) and decode
      - ./ci/vlt kv_to_file kv ops/deploy/ssh_key private_b64 secrets/SSH_KEY.b64 600
      - base64 -d secrets/SSH_KEY.b64 > secrets/SSH_KEY
      - chmod 600 secrets/SSH_KEY
      - ssh-keygen -y -f secrets/SSH_KEY >/dev/null
+      # Fetch AppRole creds for Vault Agent (adjust the KV path if different)
+      - ./ci/vlt kv_to_file kv ops/vault/approle/sendico-db role_id   secrets/ROLE_ID   600
+      - ./ci/vlt kv_to_file kv ops/vault/approle/sendico-db secret_id secrets/SECRET_ID 600

  - name: deploy
    image: alpine:latest
@@ -36,14 +42,11 @@ steps:
      - apk add --no-cache bash openssh-client rsync coreutils
      - mkdir -p /root/.ssh
      - install -m 600 secrets/SSH_KEY /root/.ssh/id_rsa
+      # Normalize CRLF if any, then export runtime env (Compose variables)
      - sed -i 's/\r$//' ./ci/prod/.env.runtime
      - set -a
      - . ./ci/prod/.env.runtime
      - . ./.env.version
      - set +a
+      # Run external deploy script (quiet by default; set DEBUG_DEPLOY=1 to debug)
      - bash ci/prod/scripts/deploy-db.sh
-
-
-
-
-
--- a/ci/prod/compose/db.yml
+++ b/ci/prod/compose/db.yml
@@ -8,12 +8,14 @@ volumes:
  mongo1_data: {}
  mongo2_data: {}
  mongo3_data: {}
+  # In-memory store for secrets/material rendered by Vault Agent (no host persistence)
  vault_secrets:
    driver: local
    driver_opts:
      type: tmpfs
      device: tmpfs
      o: size=32m,uid=999,gid=999,mode=0750
+  # In-memory config for PBM (renders from templates, no host persistence)
  pbm_cfg:
    driver: local
    driver_opts:
@@ -28,16 +30,24 @@ services:
    container_name: vault-agent-sendico
    restart: unless-stopped
    cap_add: ["IPC_LOCK"]
+    # Only static env here. AppRole creds are injected via CI at runtime.
    environment:
      VAULT_ADDR: ${VAULT_ADDR}
+      VAULT_ROLE_ID: ${VAULT_ROLE_ID}       # provided only during `docker compose up`
+      VAULT_SECRET_ID: ${VAULT_SECRET_ID}   # provided only during `docker compose up`
    volumes:
      - ./vault/agent.hcl:/etc/vault/agent.hcl:ro
      - ./vault/templates:/etc/vault/templates:ro
-      - /opt/sendico/vault/sendico-db/role_id:/vault/role_id:ro
-      - /opt/sendico/vault/sendico-db/secret_id:/vault/secret_id:ro
      - vault_secrets:/vault/secrets:rw
      - pbm_cfg:/etc/backup:rw
-    command: sh -lc 'vault agent -config=/etc/vault/agent.hcl'
+    # Write AppRole creds to tmpfs, drop them from env, then exec agent
+    command: >
+      sh -lc 'set -euo pipefail; umask 077;
+              : "${VAULT_ROLE_ID:?}"; : "${VAULT_SECRET_ID:?}";
+              printf "%s" "$VAULT_ROLE_ID"   > /vault/secrets/role_id;
+              printf "%s" "$VAULT_SECRET_ID" > /vault/secrets/secret_id;
+              unset VAULT_ROLE_ID VAULT_SECRET_ID;
+              exec vault agent -config=/etc/vault/agent.hcl'
    healthcheck:
      test: ["CMD-SHELL","test -s /vault/secrets/MONGO_INITDB_ROOT_USERNAME -a -s /vault/secrets/MONGO_INITDB_ROOT_PASSWORD -a -s /vault/secrets/mongo.kf -a -s /etc/backup/pbm.env -a -s /etc/backup/.u -a -s /etc/backup/.p"]
      interval: 5s
@@ -120,6 +130,7 @@ services:
      - vault_secrets:/vault/secrets:ro
    entrypoint: |
      bash -c '
+        set -euo pipefail
        u=$(cat /vault/secrets/MONGO_INITDB_ROOT_USERNAME)
        p=$(cat /vault/secrets/MONGO_INITDB_ROOT_PASSWORD)
        until mongosh --quiet --host sendico_db1 --port ${MONGO_PORT} --eval "db.adminCommand({ ping: 1 })"; do
@@ -152,6 +163,7 @@ services:
      - pbm_cfg:/etc/backup:ro
    command: |
      sh -lc '
+        set -euo pipefail
        . /etc/backup/pbm.env
        U=$$(cat /etc/backup/.u) ; P=$$(cat /etc/backup/.p)
        export AWS_EC2_METADATA_DISABLED=true
@@ -171,6 +183,7 @@ services:
      - pbm_cfg:/etc/backup:ro
    command: |
      sh -lc '
+        set -euo pipefail
        . /etc/backup/pbm.env
        U=$$(cat /etc/backup/.u) ; P=$$(cat /etc/backup/.p)
        export AWS_EC2_METADATA_DISABLED=true
@@ -190,6 +203,7 @@ services:
      - pbm_cfg:/etc/backup:ro
    command: |
      sh -lc '
+        set -euo pipefail
        . /etc/backup/pbm.env
        U=$$(cat /etc/backup/.u) ; P=$$(cat /etc/backup/.p)
        export AWS_EC2_METADATA_DISABLED=true
--- a/ci/prod/scripts/deploy-db.sh
+++ b/ci/prod/scripts/deploy-db.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 [[ "${DEBUG_DEPLOY:-0}" = "1" ]] && set -x
 trap 'echo "[deploy-db] error at line $LINENO" >&2' ERR

-# Required environment variables (must be exported by the CI step)
+# Required env (exported by CI step from .env.runtime)
 : "${REMOTE_BASE:?missing REMOTE_BASE}"
 : "${DB_DIR:?missing DB_DIR}"
 : "${SSH_USER:?missing SSH_USER}"
@@ -29,20 +29,35 @@ fi
 RSYNC_FLAGS=(-az --delete)
 [[ "${DEBUG_DEPLOY:-0}" = "1" ]] && RSYNC_FLAGS=(-avz --delete)

-# Create remote directories and sync files
+# AppRole creds for Vault Agent, fetched in the previous pipeline step
+VAULT_ROLE_ID="$(cat secrets/ROLE_ID)"
+VAULT_SECRET_ID="$(cat secrets/SECRET_ID)"
+
+# Create remote directory structure
 ssh "${SSH_OPTS[@]}" "$REMOTE_TARGET" "mkdir -p ${REMOTE_DIR}/{compose,env}"
+
+# Sync compose bundle and runtime env to the remote host
 rsync "${RSYNC_FLAGS[@]}" -e "ssh ${SSH_OPTS[*]}" ci/prod/compose/       "$REMOTE_TARGET:${REMOTE_DIR}/compose/"
 rsync "${RSYNC_FLAGS[@]}" -e "ssh ${SSH_OPTS[*]}" ci/prod/.env.runtime    "$REMOTE_TARGET:${REMOTE_DIR}/env/.env.runtime"

-# Deploy on remote host (use 'bash -s' so heredoc is executed remotely)
-ssh "${SSH_OPTS[@]}" "$REMOTE_TARGET" REMOTE_DIR="$REMOTE_DIR" bash -s <<'EOSSH'
+# Deploy on remote: export AppRole creds ONLY to the compose commands.
+# The vault-agent container will read them, write to tmpfs, unset, and exec.
+ssh "${SSH_OPTS[@]}" "$REMOTE_TARGET" \
+  REMOTE_DIR="$REMOTE_DIR" \
+  VAULT_ROLE_ID="$VAULT_ROLE_ID" \
+  VAULT_SECRET_ID="$VAULT_SECRET_ID" \
+  bash -s <<'EOSSH'
 set -euo pipefail
 cd "${REMOTE_DIR}/compose"
 set -a; . ../env/.env.runtime; set +a
-# Pull quietly if supported; otherwise fall back to normal
-docker compose -f db.yml pull --quiet 2>/dev/null || docker compose -f db.yml pull
-docker compose -f db.yml up -d --remove-orphans
-docker compose ps
+
+# Pull and start with ephemeral AppRole env present only for these invocations
+VAULT_ROLE_ID="${VAULT_ROLE_ID}" VAULT_SECRET_ID="${VAULT_SECRET_ID}" docker compose -f db.yml pull --quiet 2>/dev/null || \
+VAULT_ROLE_ID="${VAULT_ROLE_ID}" VAULT_SECRET_ID="${VAULT_SECRET_ID}" docker compose -f db.yml pull
+
+VAULT_ROLE_ID="${VAULT_ROLE_ID}" VAULT_SECRET_ID="${VAULT_SECRET_ID}" docker compose -f db.yml up -d --remove-orphans
+
+docker compose -f db.yml ps
 date -Is > .last_deploy
 logger -t deploy-db "db deployed at $(date -Is) in ${REMOTE_DIR}"
 EOSSH