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Set hostname in /etc/hosts (#160)

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* Set hostname in /etc/hosts

* Run spotless
This commit is contained in:
Matt
2020-12-03 07:40:53 -08:00
committed by GitHub
parent c11f1f3f28
commit 5e385b5925
1 changed files with 19 additions and 4 deletions
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23
photon-server/src/main/java/org/photonvision/common/networking/NetworkManager.java
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@@ -61,11 +61,26 @@ public class NetworkManager {
// always set hostname
if (config.hostname.length() > 0) {
try {
var shell = new ShellExec(true, false);
shell.executeBashCommand("cat /etc/hostname | tr -d \" \\t\\n\\r\"");
var oldHostname = shell.getOutput().replace("\n", "");
var setHostnameRetCode =
new ShellExec().execute("hostnamectl", "set-hostname", config.hostname);
var success = setHostnameRetCode == 0;
shell.executeBashCommand("hostnamectl set-hostname" + config.hostname);
// Add to /etc/hosts
var addHostRetCode =
shell.executeBashCommand(
String.format(
"sed -i \"s/127.0.1.1.*%s/127.0.1.1\\t%s/g\" /etc/hosts",
oldHostname, config.hostname));
var success = setHostnameRetCode == 0 && addHostRetCode == 0;
if (!success) {
logger.error("hostnamectl return non-zero exit code " + setHostnameRetCode + "!");
logger.error(
"Setting hostname returned non-zero codes "
+ setHostnameRetCode
+ "|"
+ addHostRetCode
+ "!");
}
} catch (Exception e) {
logger.error("Failed to set hostname!", e);
@@ -78,7 +93,7 @@ public class NetworkManager {
if (config.connectionType == NetworkMode.DHCP) {
var shell = new ShellExec();
try {
if (config.staticIp != "") {
if (!config.staticIp.equals("")) {
shell.executeBashCommand("ip addr del " + config.staticIp + "/8 dev eth0");
}
shell.executeBashCommand("dhclient eth0");