8000 feat: modify config-ssh to set the host suffix by spikecurtis · Pull Request #17280 · coder/coder · GitHub
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feat: modify config-ssh to set the host suffix #17280

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Merged
merged 3 commits into from
Apr 8, 2025
Merged

feat: modify config-ssh to set the host suffix #17280

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88c9a41
feat: modify config-ssh to set the host suffix
spikecurtis Apr 7, 2025
35b4021
additional testing
spikecurtis Apr 7, 2025
b78738c
appease linter
spikecurtis Apr 8, 2025
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feat: modify config-ssh to set the host suffix
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@spikecurtis
spikecurtis committed Apr 8, 2025
commit 88c9a41c224926395c4f8f32c37d2aed8a24d26f
28 changes: 25 additions & 3 deletions cli/configssh.go
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Original file line number Diff line number Diff line change
Expand Up @@ -356,9 +356,15 @@ func (r *RootCmd) configSSH() *serpent.Command {
if sshConfigOpts.disableAutostart {
flags += " --disable-autostart=true"
}
if coderdConfig.HostnamePrefix != "" {
flags += " --ssh-host-prefix " + coderdConfig.HostnamePrefix
}
if coderdConfig.HostnameSuffix != "" {
flags += " --hostname-suffix " + coderdConfig.HostnameSuffix
}
defaultOptions = append(defaultOptions, fmt.Sprintf(
"ProxyCommand %s %s ssh --stdio%s --ssh-host-prefix %s %%h",
escapedCoderBinary, rootFlags, flags, coderdConfig.HostnamePrefix,
"ProxyCommand %s %s ssh --stdio%s %%h",
escapedCoderBinary, rootFlags, flags,
))
}

Expand Down Expand Up @@ -391,7 +397,7 @@ func (r *RootCmd) configSSH() *serpent.Command {
}

hostBlock := []string{
"Host " + coderdConfig.HostnamePrefix + "*",
sshConfigHostLinePatterns(coderdConfig),
}
// Prefix with '\t'
for _, v := range configOptions.sshOptions {
Expand Down Expand Up @@ -837,3 +843,19 @@ func diffBytes(name string, b1, b2 []byte, color bool) ([]byte, error) {
}
return b, nil
}

func sshConfigHostLinePatterns(config codersdk.SSHConfigResponse) string {
builder := strings.Builder{}
// by inspection, WriteString always returns nil error
_, _ = builder.WriteString("Host")
if config.HostnamePrefix != "" {
_, _ = builder.WriteString(" ")
_, _ = builder.WriteString(config.HostnamePrefix)
_, _ = builder.WriteString("*")
}
if config.HostnameSuffix != "" {
_, _ = builder.WriteString(" *.")
_, _ = builder.WriteString(config.HostnameSuffix)
}
return builder.String()
}
12 changes: 12 additions & 0 deletions cli/configssh_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -611,6 +611,18 @@ func TestConfigSSH_FileWriteAndOptionsFlow(t *testing.T) {
regexMatch: "RemoteForward 2222 192.168.11.1:2222.*\n.*RemoteForward 2223 192.168.11.1:2223",
},
},
{
name: "Hostname Suffix",
args: []string{
"--yes",
"--hostname-suffix", "testy",
},
wantErr: false,
hasAgent: true,
wantConfig: wantConfig{
regexMatch: `ProxyCommand .* ssh .* --hostname-suffix testy %h`,
},
},
}
for _, tt := range tests {
tt := tt
Expand Down
0