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feat(client): Add ssh private-key support (#1390)

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* feat(endpoint): Add ssh key support

Fixes #1257

* test(config): Add tests for private key config

---------

Co-authored-by: TwiN <twin@linux.com>
This commit is contained in:
Mufeed Ali
2025-11-20 03:06:36 +05:30
committed by GitHub
parent 5d626f2934
commit 6f9db4107c
7 changed files with 94 additions and 35 deletions
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19
config/endpoint/ssh/ssh.go
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@@ -8,26 +8,29 @@ var (
// ErrEndpointWithoutSSHUsername is the error with which Gatus will panic if an endpoint with SSH monitoring is configured without a user.
ErrEndpointWithoutSSHUsername = errors.New("you must specify a username for each SSH endpoint")
// ErrEndpointWithoutSSHPassword is the error with which Gatus will panic if an endpoint with SSH monitoring is configured without a password.
ErrEndpointWithoutSSHPassword = errors.New("you must specify a password for each SSH endpoint")
// ErrEndpointWithoutSSHAuth is the error with which Gatus will panic if an endpoint with SSH monitoring is configured without a password or private key.
ErrEndpointWithoutSSHAuth = errors.New("you must specify a password or private-key for each SSH endpoint")
)
type Config struct {
Username string `yaml:"username,omitempty"`
Password string `yaml:"password,omitempty"`
Username string `yaml:"username,omitempty"`
Password string `yaml:"password,omitempty"`
PrivateKey string `yaml:"private-key,omitempty"`
}
// Validate the SSH configuration
func (cfg *Config) Validate() error {
// If there's no username and password, this endpoint can still check the SSH banner, so the endpoint is still valid
if len(cfg.Username) == 0 && len(cfg.Password) == 0 {
// If there's no username, password, or private key, this endpoint can still check the SSH banner, so the endpoint is still valid
if len(cfg.Username) == 0 && len(cfg.Password) == 0 && len(cfg.PrivateKey) == 0 {
return nil
}
// If any authentication method is provided (password or private key), a username is required
if len(cfg.Username) == 0 {
return ErrEndpointWithoutSSHUsername
}
if len(cfg.Password) == 0 {
return ErrEndpointWithoutSSHPassword
// If a username is provided, require at least a password or a private key
if len(cfg.Password) == 0 && len(cfg.PrivateKey) == 0 {
return ErrEndpointWithoutSSHAuth
}
return nil
}