add server jar for k3s

This commit is contained in:
az 2021-12-01 21:19:08 +01:00
parent 6c906118cf
commit b3bdc26e3f
6 changed files with 262 additions and 27 deletions

View file

@ -101,6 +101,23 @@ task fatJarLatest(type: Jar) {
archiveFileName = 'provs.jar'
}
task fatJarK3s(type: Jar) {
from {
configurations.runtimeClasspath.findAll { it.name.endsWith('jar') }.collect { zipTree(it) }
}
exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA'
duplicatesStrategy(DuplicatesStrategy.EXCLUDE)
manifest {
attributes 'Implementation-Title': 'Fatjar of provs k3s',
'Implementation-Version': project.version,
'Main-Class': 'org.domaindrivenarchitecture.provs.extensions.server_software.k3s.application.CliKt'
}
with jar
archiveFileName = 'provs-server.jar'
}
task uberjarWorkplace(type: Jar) {
from sourceSets.main.output

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@ -0,0 +1,141 @@
package org.domaindrivenarchitecture.provs.core.cli
import kotlinx.cli.ArgParser
import kotlinx.cli.ArgType
import kotlinx.cli.default
import org.domaindrivenarchitecture.provs.core.Prov
import org.domaindrivenarchitecture.provs.core.Secret
import org.domaindrivenarchitecture.provs.core.local
import org.domaindrivenarchitecture.provs.core.remote
import org.domaindrivenarchitecture.provs.ubuntu.secret.secretSources.GopassSecretSource
import org.domaindrivenarchitecture.provs.ubuntu.secret.secretSources.PromptSecretSource
import org.domaindrivenarchitecture.provs.ubuntu.user.base.currentUserCanSudo
import org.domaindrivenarchitecture.provs.ubuntu.user.base.makeUserSudoerWithNoSudoPasswordRequired
import org.domaindrivenarchitecture.provs.ubuntu.user.base.whoami
import kotlin.system.exitProcess
class CliCommand(
val localHost: Boolean?,
val remoteHost: String?,
val userName: String?,
val sshWithPasswordPrompt: Boolean,
val sshWithGopassPath: String?,
val sshWithKey: Boolean
) {
fun isValidLocalhost(): Boolean {
return (localHost ?: false) && remoteHost == null && userName == null && sshWithGopassPath == null &&
!sshWithPasswordPrompt && !sshWithKey
}
fun hasValidPasswordOption(): Boolean {
return (sshWithGopassPath != null) xor sshWithPasswordPrompt xor sshWithKey
}
fun isValidRemote(): Boolean {
return remoteHost != null && userName != null && hasValidPasswordOption()
}
fun isValid(): Boolean {
return (isValidLocalhost() || isValidRemote())
}
}
fun parseCli(
programName: String = "java -jar provs.jar",
args: Array<String>
): CliCommand {
val parser = ArgParser(programName)
val remoteHost by parser.option(
ArgType.String, shortName =
"r", description = "provision to remote host - either localHost or remoteHost must be specified"
)
val localHost by parser.option(
ArgType.Boolean, shortName =
"l", description = "provision to local machine - either localHost or remoteHost must be specified"
)
val userName by parser.option(
ArgType.String,
shortName = "u",
description = "user for remote provisioning."
)
val sshWithGopassPath by parser.option(
ArgType.String,
shortName = "p",
description = "password stored at gopass path"
)
val sshWithPasswordPrompt by parser.option(
ArgType.Boolean,
shortName = "i",
description = "prompt for password interactive"
).default(false)
val sshWithKey by parser.option(
ArgType.Boolean,
shortName = "k",
description = "provision over ssh using user & ssh key"
).default(false)
parser.parse(args)
return CliCommand(
localHost, remoteHost, userName, sshWithPasswordPrompt, sshWithGopassPath, sshWithKey
)
}
internal fun createProvInstance(
cliCommand: CliCommand,
remoteHostSetSudoWithoutPasswordRequired: Boolean = false
): Prov {
if (cliCommand.isValid()) {
val password: Secret? = if (cliCommand.isValidRemote()) retrievePassword(cliCommand) else null
if (cliCommand.isValidLocalhost()) {
return local()
} else if (cliCommand.isValidRemote()) {
val host = cliCommand.remoteHost!!
val remoteUser = cliCommand.userName!!
val prov =
if (cliCommand.sshWithKey) {
remote(host, remoteUser)
} else {
require(
password != null,
{ "No password available for provisioning without ssh keys. Either specify provisioning by ssh-keys or provide password." })
remote(host, remoteUser, password)
}
if (!prov.currentUserCanSudo()) {
if (remoteHostSetSudoWithoutPasswordRequired) {
require(
password != null,
{ "User ${prov.whoami()} not able to sudo on remote machine without password and no password available for the user." })
prov.makeUserSudoerWithNoSudoPasswordRequired(password)
} else {
throw IllegalStateException("User ${prov.whoami()} not able to sudo on remote machine without password and option not set to enable user to sudo without password.")
}
}
return prov
} else {
throw IllegalArgumentException("Error: neither a valid localHost nor a valid remoteHost was specified! Use option -h for help.")
}
} else {
println("Invalid command line options.\nPlease use option -h for help.")
exitProcess(1)
}
}
private fun retrievePassword(cliCommand: CliCommand): Secret? {
var password: Secret? = null
if (cliCommand.isValidRemote()) {
if (cliCommand.sshWithPasswordPrompt) {
password =
PromptSecretSource("Password for user $cliCommand.userName!! on $cliCommand.remoteHost!!").secret()
} else if (cliCommand.sshWithGopassPath != null) {
password = GopassSecretSource(cliCommand.sshWithGopassPath).secret()
}
}
return password
}

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@ -0,0 +1,13 @@
package org.domaindrivenarchitecture.provs.extensions.server_software.k3s.application
import org.domaindrivenarchitecture.provs.core.Prov
import org.domaindrivenarchitecture.provs.extensions.server_software.k3s.installK3sServer
/**
* Performs use case of provisioning a k3s server
*/
fun Prov.provisionK3s() = task {
installK3sServer()
}

View file

@ -1,31 +1,17 @@
import org.domaindrivenarchitecture.provs.core.remote
import org.domaindrivenarchitecture.provs.extensions.server_software.k3s.applyK3sConfig
import org.domaindrivenarchitecture.provs.extensions.server_software.k3s.infrastructure.apple.appleConfig
import org.domaindrivenarchitecture.provs.extensions.server_software.k3s.infrastructure.apple.checkAppleService
import org.domaindrivenarchitecture.provs.extensions.server_software.k3s.installK3sServer
import org.domaindrivenarchitecture.provs.ubuntu.secret.secretSources.PromptSecretSource
package org.domaindrivenarchitecture.provs.extensions.server_software.k3s.application
fun main() {
import org.domaindrivenarchitecture.provs.core.cli.createProvInstance
import org.domaindrivenarchitecture.provs.core.cli.parseCli
val host = "192.168.56.141"
val remoteUser = "usr"
val passwordK3sUser = PromptSecretSource("Enter Password").secret()
val prov = remote(host, remoteUser, passwordK3sUser)
// alternatively run local: val prov = local()
/**
* Provisions a k3s server, either locally or on a remote machine depending on the given arguments.
*
* Get help with option -h
*/
fun main(args: Array<String>) {
val cmd = parseCli("java -jar provs-server.jar", args)
val prov = createProvInstance(cmd)
prov.task {
installK3sServer()
// print pods for information purpose
println(cmd("sudo k3s kubectl get pods --all-namespaces").out)
applyK3sConfig(appleConfig())
// print pods for information purpose
println(cmd("sudo k3s kubectl get services").out)
checkAppleService()
}
}
prov.provisionK3s()
}

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@ -0,0 +1,64 @@
package org.domaindrivenarchitecture.provs.core.cli
import org.junit.jupiter.api.Assertions.*
import org.junit.jupiter.api.Test
internal class CliCommandTest {
@Test
fun parse_localhost_with_default() {
val parseCli = parseCli(args = emptyArray())
assertFalse(parseCli.isValidLocalhost())
assertFalse(parseCli.isValidRemote())
assertFalse(parseCli.isValid())
}
@Test
fun parse_localhost() {
val parseCli = parseCli(args = arrayOf("-l"))
assertTrue(parseCli.isValidLocalhost())
assertFalse(parseCli.isValidRemote())
assertTrue(parseCli.isValid())
}
@Test
fun parse_remote_with_missing_passwordoption() {
val parseCli = parseCli(args = arrayOf("-r", "1.2.3.4", "-u", "user"))
assertFalse(parseCli.isValidLocalhost())
assertEquals("1.2.3.4", parseCli.remoteHost)
assertEquals("user", parseCli.userName)
assertFalse(parseCli.isValidRemote())
assertFalse(parseCli.isValid())
}
@Test
fun parse_remote_with_remote_key() {
val parseCli = parseCli(args = arrayOf("-r", "1.2.3.4", "-u", "user", "-k"))
assertFalse(parseCli.isValidLocalhost())
assertEquals("1.2.3.4", parseCli.remoteHost)
assertEquals("user", parseCli.userName)
assertTrue(parseCli.isValid())
}
@Test
fun parse_remote_with_remote_password_prompt() {
val parseCli = parseCli(args = arrayOf("-r", "1.2.3.4", "-u", "user", "-i"))
assertEquals("1.2.3.4", parseCli.remoteHost)
assertEquals("user", parseCli.userName)
assertTrue(parseCli.isValid())
}
@Test
fun parse_remote_with_remote_password_gopass_path() {
val parseCli = parseCli(args = arrayOf("-r", "1.2.3.4", "-u", "user", "-p", "gopass/path"))
assertEquals("1.2.3.4", parseCli.remoteHost)
assertEquals("user", parseCli.userName)
assertEquals("gopass/path", parseCli.sshWithGopassPath)
assertTrue(parseCli.isValid())
}
}

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@ -0,0 +1,14 @@
package org.domaindrivenarchitecture.provs.extensions.server_software.k3s.application
import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Test
internal class CliKtTest {
@Test
@Disabled // run manually -- todo mock execution
fun provision_remotely() {
main(arrayOf("-r", "192.168.56.141", "-u", "user", "-i"))
}
}