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Fixes #15212: Generate a file on root server containing all nodes cer…
…tificate
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158 changes: 158 additions & 0 deletions
158
...core/src/main/scala/com/normation/rudder/services/policies/WriteNodeCertificatesPem.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| ************************************************************************************* | ||
| * Copyright 2019 Normation SAS | ||
| ************************************************************************************* | ||
| * | ||
| * This file is part of Rudder. | ||
| * | ||
| * Rudder is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * In accordance with the terms of section 7 (7. Additional Terms.) of | ||
| * the GNU General Public License version 3, the copyright holders add | ||
| * the following Additional permissions: | ||
| * Notwithstanding to the terms of section 5 (5. Conveying Modified Source | ||
| * Versions) and 6 (6. Conveying Non-Source Forms.) of the GNU General | ||
| * Public License version 3, when you create a Related Module, this | ||
| * Related Module is not considered as a part of the work and may be | ||
| * distributed under the license agreement of your choice. | ||
| * A "Related Module" means a set of sources files including their | ||
| * documentation that, without modification of the Source Code, enables | ||
| * supplementary functions or services in addition to those offered by | ||
| * the Software. | ||
| * | ||
| * Rudder is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with Rudder. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| ************************************************************************************* | ||
| */ | ||
|
|
||
| package com.normation.rudder.services.policies | ||
|
|
||
| import java.nio.charset.StandardCharsets | ||
|
|
||
| import better.files.File | ||
| import com.normation.NamedZioLogger | ||
| import com.normation.errors._ | ||
| import com.normation.inventory.domain.Certificate | ||
| import com.normation.inventory.domain.NodeId | ||
| import com.normation.rudder.domain.nodes.NodeInfo | ||
| import com.normation.rudder.hooks.Cmd | ||
| import com.normation.rudder.hooks.RunNuCommand | ||
| import com.normation.zio.ZioRuntime | ||
| import zio._ | ||
| import zio.duration.Duration | ||
| import zio.syntax._ | ||
|
|
||
| /** | ||
| * This class will generate a file containing all nodes certificates concatenated. | ||
| * The file can be used for Apache config for example. | ||
| */ | ||
| trait WriteNodeCertificatesPem { | ||
|
|
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| /* | ||
| * Write certificates for nodes in a given, implementation dependant, location. | ||
| * File should not be overwritten until the replacement is ready. | ||
| */ | ||
| def writeCertificates(file: File, allNodeInfos: Map[NodeId, NodeInfo]): IOResult[Unit] | ||
|
|
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| /* | ||
| * Same but async. | ||
| */ | ||
| def writeCerticatesAsync(file: File, allNodeInfos: Map[NodeId, NodeInfo]): Unit | ||
| } | ||
|
|
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| /* | ||
| * In a default Rudder app, the file path is: /var/rudder/lib/ssl/allnodecerts.pem | ||
| * After file is written, a reload hook can be executed if `reloadScriptPath` is not empty | ||
| */ | ||
| class WriteNodeCertificatesPemImpl(reloadScriptPath: Option[String]) extends WriteNodeCertificatesPem { | ||
|
|
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| val logger = NamedZioLogger(this.getClass.getName) | ||
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| override def writeCerticatesAsync(file: File, allNodeInfos: Map[NodeId, NodeInfo]): Unit = { | ||
| ZioRuntime.runNow(writeCertificates(file, allNodeInfos).catchAll(e => logger.error(e.fullMsg)).fork) | ||
| } | ||
|
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| override def writeCertificates(file: File, allNodeInfos: Map[NodeId, NodeInfo]): IOResult[Unit] = { | ||
| val allCertsNew = File(file.pathAsString + ".new") | ||
|
|
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| for { | ||
| _ <- checkParentDirOK(file) | ||
| certs = allNodeInfos.flatMap { case (id, node) => node.agentsName.flatMap( _.securityToken match { | ||
| case x: Certificate => Some(x.key) | ||
| case _ => None | ||
| })} | ||
| writen <- writeCertificatesToNew(allCertsNew, certs) | ||
| moved <- IOResult.effect(allCertsNew.moveTo(file, overwrite = true)) | ||
| hook <- execHook(reloadScriptPath) | ||
| } yield () | ||
| } | ||
|
|
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| /* | ||
| * write certificates in allCertsFile.new (if exists, delete) | ||
| * once written, move (overwrite allCertsFiles.new to | ||
| * | ||
| */ | ||
| def writeCertificatesToNew(file: File, certs: Iterable[String]): IOResult[Unit] = { | ||
| implicit val charset = StandardCharsets.UTF_8 | ||
| implicit val writeAppend = File.OpenOptions.append | ||
|
|
||
| for { | ||
| _ <- ZIO.when(file.exists)(IOResult.effect(file.delete())) | ||
| _ <- ZIO.foreach(certs) { cert => | ||
| IOResult.effect(file.writeText(cert + "\n")) | ||
| } | ||
| } yield () | ||
| } | ||
|
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| // check that parent directory exists and is writable or try to create it. | ||
| def checkParentDirOK(file: File): IOResult[Unit] = { | ||
| val parent = file.parent | ||
|
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| for { | ||
| _ <- IOResult.effectM(s"Error when trying to create parent directory for node certificate file: ${parent.pathAsString}") { | ||
| val p = file.parent | ||
| if(p.exists) { | ||
| UIO.unit | ||
| } else { | ||
| p.createDirectories() | ||
| UIO.unit | ||
| } | ||
| } | ||
| _ <- IOResult.effectM{ | ||
| if(parent.isDirectory) UIO.unit else Unexpected(s"Error: path '${parent.pathAsString}' must be a directory").fail | ||
| } | ||
| _ <- IOResult.effectM{ | ||
| if(parent.isWriteable) UIO.unit else Unexpected(s"Error: path '${parent.pathAsString}' must be a writable directory").fail | ||
| } | ||
| } yield () | ||
| } | ||
|
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| def execHook(path: Option[String]): IOResult[Unit] = { | ||
| path match { | ||
| case None => UIO.unit | ||
| case Some(cmd) => | ||
| // for the cmd, first arg is "cmd path", other are "parameters", and they must be splits | ||
| val (cmdPath :: args) = cmd.split("""\s""").toList | ||
|
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| for { | ||
| promise <- RunNuCommand.run(Cmd(cmdPath, args, Map()), Duration.fromNanos(5L * 60 * 1000 * 1000)) // error after 5 mins | ||
| result <- promise.await | ||
| _ <- ZIO.when(result.code != 0) { | ||
| Unexpected(s"Error when executing reload command '${cmd}' after writing node certificates file. Command " + | ||
| s"output: code: ${result.code}\nstdout: ${result.stdout}\nstderr: ${result.stderr}").fail | ||
| } | ||
| } yield () | ||
| } | ||
| } | ||
| } |
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