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support OpenSSH key format (#171)

* Make up for LF in last line of SSH key file

* refactor insertLf()

* add test for OpenSSH format

* add PKCS8 format

* apply to other virtual machines

* update README

* update CHANGELOG

Co-authored-by: Tatsunori Uchino <tats.u@live.jp>
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shimataro 2021-02-23 10:22:30 +09:00 committed by GitHub
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10 changed files with 261 additions and 52 deletions

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@ -22,9 +22,7 @@ Useful for SCP, SFTP, and `rsync` over SSH in deployment script.
Add your SSH key to your product secrets by clicking `Settings` - `Secrets` - `Add a new secret` beforehand.
**NOTE:** OPENSSH format (key begins with `-----BEGIN OPENSSH PRIVATE KEY-----`) may not work due to OpenSSH version on VM.
Please use PEM format (begins with `-----BEGIN RSA PRIVATE KEY-----`) instead.
In order to convert your key inline to PEM format simply use `ssh-keygen -p -m PEM -f ~/.ssh/id_rsa`.
PEM(RSA), PKCS8, and RFC4716(OpenSSH) formats are OK.
```yaml
runs-on: ubuntu-latest
@ -85,9 +83,6 @@ steps:
Check below:
* `Load key "/HOME/.ssh/id_rsa": invalid format`:
* OPENSSH format (key begins with `-----BEGIN OPENSSH PRIVATE KEY-----`) may not work.
* Use PEM format (begins with `-----BEGIN RSA PRIVATE KEY-----`). Convert it from OPENSSH format using `ssh-keygen -p -m PEM -f ~/.ssh/id_rsa`
* `Host key verification failed.`:
* Set `known_hosts` parameter correctly (use `ssh-keyscan` command).