package org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge;

import java.io.File;
import java.io.FileOutputStream;
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import java.io.PrintStream;
import java.util.Collection;
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import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.UUID;
import java.util.Vector;

import org.gcube.dataanalysis.dataminer.poolmanager.ansible.AnsibleWorker;
import org.gcube.dataanalysis.dataminer.poolmanager.ansible.model.AnsibleHost;
import org.gcube.dataanalysis.dataminer.poolmanager.ansible.model.Inventory;
import org.gcube.dataanalysis.dataminer.poolmanager.ansible.model.Playbook;
import org.gcube.dataanalysis.dataminer.poolmanager.ansible.model.Role;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.AlgorithmPackage;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.CranDependencyPackage;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.CustomDependencyPackage;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.CustomRoleManager;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.OSDependencyPackage;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.StaticRoleManager;
import org.gcube.dataanalysis.dataminer.poolmanager.ansiblebridge.template.TemplateManager;
import org.gcube.dataanalysis.dataminer.poolmanager.datamodel.Algorithm;
import org.gcube.dataanalysis.dataminer.poolmanager.datamodel.AlgorithmSet;
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import org.gcube.dataanalysis.dataminer.poolmanager.datamodel.Dependency;
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import org.gcube.dataanalysis.dataminer.poolmanager.datamodel.comparator.HostComparator;
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public class AnsibleBridge {
	private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(AnsibleBridge.class);

	
  /**
   * The workdir for this service
   */
  private String dpmRoot;
  
  public AnsibleBridge() {
    this(System.getProperty("user.home")+File.separator+"/gcube/dataminer-pool-manager");
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  public AnsibleBridge(String root) {
    this.dpmRoot = root;
    this.ensureServiceRoot();
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  private void ensureServiceRoot() {
    ***REMOVED*** generate root
    new File(dpmRoot).mkdirs();
    ***REMOVED*** 'template' is for template roles
    this.getTemplatesDir().mkdirs();
    ***REMOVED*** 'static' is for custom roles
    this.getCustomDir().mkdirs();
    ***REMOVED*** 'work' is for temporary working directories
    this.getWorkDir().mkdirs();    
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  private File getWorkDir() {
    return new File(this.dpmRoot, "work");
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  private File getTemplatesDir() {
    return new File(this.dpmRoot, "templates");
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  private File getCustomDir() {
    return new File(this.dpmRoot, "custom");
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  public AnsibleWorker createWorker() {
    File workerRoot = new File(this.getWorkDir(), UUID.randomUUID().toString());
    AnsibleWorker worker = new AnsibleWorker(workerRoot);
    return worker;
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  /**
   * Groups hosts by domain and algorithm sets
   * @param clusters
   */
  public void printInventoryByDomainAndSets(Collection<Cluster> clusters) {
    Map<String, Set<Host>> inventory = new TreeMap<>();
    for(Cluster cluster:clusters) {
      for(AlgorithmSet as:cluster.getAlgorithmSets()) {
        String asName = as.getName();
        for(Host h:cluster.getHosts()) {
          String domain = h.getDomain().getName();
          String key = String.format("[%s@%s]", asName, domain);
          Set<Host> hosts = inventory.get(key);
          if(hosts==null) {
            hosts = new TreeSet<>(new HostComparator());
            inventory.put(key, hosts);
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          hosts.add(h);
        ***REMOVED***
        
      ***REMOVED***
    ***REMOVED***
    for(String key:inventory.keySet()) {
      System.out.println(key);
      Collection<Host> hosts = inventory.get(key);
      for(Host h:hosts) {
        System.out.println(h.getName()+"."+h.getDomain().getName());
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      System.out.println();
    ***REMOVED***
  ***REMOVED***

  /**
   * Groups hosts by algorithm sets only
   * @param clusters
   */
  public void printInventoryBySets(Collection<Cluster> clusters) {
    Map<String, Set<Host>> inventory = new TreeMap<>();
    for (Cluster cluster : clusters) {
      for (AlgorithmSet as : cluster.getAlgorithmSets()) {
        String asName = as.getName();
        for (Host h : cluster.getHosts()) {
          String key = String.format("[%s]", asName);
          Set<Host> hosts = inventory.get(key);
          if (hosts == null) {
            hosts = new TreeSet<>(new HostComparator());
            inventory.put(key, hosts);
          ***REMOVED***
          hosts.add(h);
        ***REMOVED***
        
      ***REMOVED***
    ***REMOVED***
    for (String key : inventory.keySet()) {
      System.out.println(key);
      Collection<Host> hosts = inventory.get(key);
      for (Host h : hosts) {
        System.out.println(h.getName()+"."+h.getDomain().getName());
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      System.out.println();
    ***REMOVED***
  ***REMOVED***
  
  public AnsibleWorker applyAlgorithmSetToCluster(AlgorithmSet as, Cluster cluster) throws IOException {
 
	  
	  return applyAlgorithmSetToCluster (as,cluster,UUID.randomUUID().toString());
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  public AnsibleWorker applyAlgorithmSetToCluster(AlgorithmSet as, Cluster cluster,String uuid) throws IOException {
    AnsibleWorker worker = new AnsibleWorker(new File(this.getWorkDir(), uuid));

    
    List<Role> algoRoles = new Vector<>();

    ***REMOVED*** add algorithms and dependencies to the worker
    for (Algorithm a : as.getAlgorithms()) {
      for (Role r : this.generateRoles(a)) {
        algoRoles.add(r);
        worker.addRole(r);
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      for (Dependency d : a.getDependencies()) {
        for (Role r : this.generateRoles(d)) {
          worker.addRole(r);
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      ***REMOVED***
    ***REMOVED***

    ***REMOVED*** add static roles
    for(Role r:this.getStaticRoleManager().getStaticRoles()) {
      worker.addRole(r);
    ***REMOVED***
    
    ***REMOVED*** generate the inventory
    Inventory inventory = new Inventory();
    for (Host h : cluster.getHosts()) {
      AnsibleHost ah = new AnsibleHost(h.getName());
      inventory.addHost(ah, "universe");
      inventory.addHost(ah, "d4science");
    ***REMOVED***
    worker.setInventory(inventory);
    
    ***REMOVED*** generate the playbook
    Playbook playbook = new Playbook();
    playbook.setRemote_user("root");
    playbook.applyTo("universe");
    for(Role r:algoRoles) {
      ***REMOVED*** add only 'add' roles
      if(!r.getName().endsWith("remove")) {
        playbook.addRole(r.getName());
      ***REMOVED***
    ***REMOVED***
    
    worker.setPlaybook(playbook);

	***REMOVED*** execute and save log locally
	PrintStream console = System.out;
    File path = new File(worker.getWorkdir() + File.separator + "logs");
	path.mkdirs();
	File n = new File(path + File.separator + worker.getWorkerId());
	FileOutputStream fos = new FileOutputStream(n);
	PrintStream ps = new PrintStream(fos);
	System.setOut(ps);
	System.setErr(ps);
	***REMOVED***System.setErr(console);

	worker.apply();
	***REMOVED***System.setOut(console);
	***REMOVED***worker.apply();
	System.out.println("Log stored to to " + n.getAbsolutePath());
        
    ***REMOVED*** destroy the worker
    worker.destroy();
	return worker;
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  private TemplateManager getTemplateManager() {
    return new TemplateManager(this.dpmRoot+"/templates");
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  private CustomRoleManager getCustomRoleManager() {
    return new CustomRoleManager(this.dpmRoot+"/custom");
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  private StaticRoleManager getStaticRoleManager() {
    return new StaticRoleManager(this.dpmRoot+"/static");
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  /**
   * Generate all roles for this dependency
   * @param d
   */
  public Collection<Role> generateRoles(Dependency d) {
    Collection<Role> roles = new Vector<>();
    
    
    if("os".equalsIgnoreCase(d.getType())) {
      OSDependencyPackage pkg = new OSDependencyPackage(d);
      if(pkg!=null) {
        roles.addAll(pkg.getRoles(this.getTemplateManager()));
      ***REMOVED***
    ***REMOVED*** else if("custom".equalsIgnoreCase(d.getType())) {
      CustomDependencyPackage pkg = new CustomDependencyPackage(d);
      if(pkg!=null) {
        roles.addAll(pkg.getRoles(this.getCustomRoleManager()));
      ***REMOVED***
    ***REMOVED*** else if("cran".equalsIgnoreCase(d.getType())) {
      CranDependencyPackage pkg = new CranDependencyPackage(d);
      if(pkg!=null) {
        roles.addAll(pkg.getRoles(this.getTemplateManager()));
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    ***REMOVED***
    return roles;
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  public Collection<Role> generateRoles(Algorithm a) {
    AlgorithmPackage pkg = new AlgorithmPackage(a);
    return pkg.getRoles(this.getTemplateManager());
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