format invalide de clé SSH gitlab-ci

Question

Je voudrais exécuter le script de déploiement avec gitlab-ci, mais l'étape ssh-add $SSH_PRIVATE_KEY retourne une erreur:

echo "$SSH_PRIVATE_KEY" | ssh-add -
Error loading key "(stdin)": invalid format

Vous pouvez voir mon .gitlab-ci.yml:

deploy:
  image: node:9.11.1-Alpine
  stage: deploy
  before_script:
    # Install ssh-agent if not already installed, it is required by Docker.
    # (change apt-get to yum if you use a CentOS-based image)
    - 'which ssh-agent || ( apk add --update openssh )'

    # Add bash
    - apk add --update bash

    # Add git
    - apk add --update git

    # Run ssh-agent (inside the build environment)
    - eval $(ssh-agent -s)

    # Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
    - echo "$SSH_PRIVATE_KEY"
    - echo "$SSH_PRIVATE_KEY" | ssh-add -

    # For Docker builds disable Host key checking. Be aware that by adding that
    # you are suspectible to man-in-the-middle attacks.
    # WARNING: Use this only with the Docker executor, if you use it with Shell
    # you will overwrite your user's SSH config.
    - mkdir -p ~/.ssh
    - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
    # In order to properly check the server's Host key, assuming you created the
    # SSH_SERVER_HOSTKEYS variable previously, uncomment the following two lines
    # instead.
    # - mkdir -p ~/.ssh
    # - '[[ -f /.dockerenv ]] && echo "$SSH_SERVER_HOSTKEYS" > ~/.ssh/known_hosts'
  script:
    - npm i -g pm2
    - pm2 deploy ecosystem.config.js production
  # only:
  # - master

Sur mon paramètre de projet, j'ai été ajouté la variable SSH_PRIVATE_KEY, avec l'id_rsa de mon serveur de production cat ~/.ssh/id_rsa.pub.

Est-ce que quelqu'un peut m'aider ?

Answer 1

Dans mon cas, j'ai dû mettre une nouvelle ligne à la fin du SSH_PRIVATE_KEY variable