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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package com.att.research.datarouter.node;
import java.io.*;
import java.util.*;
import org.json.*;
import org.apache.log4j.Logger;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.research.datarouter.node.eelf.EelfMsgs;
/**
* Parser for provisioning data from the provisioning server.
* <p>
* The ProvData class uses a Reader for the text configuration from the
* provisioning server to construct arrays of raw configuration entries.
*/
public class ProvData {
private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("com.att.research.datarouter.node.ProvData");
private static Logger logger = Logger.getLogger("com.att.research.datarouter.node.ProvData");
private NodeConfig.ProvNode[] pn;
private NodeConfig.ProvParam[] pp;
private NodeConfig.ProvFeed[] pf;
private NodeConfig.ProvFeedUser[] pfu;
private NodeConfig.ProvFeedSubnet[] pfsn;
private NodeConfig.ProvSubscription[] ps;
private NodeConfig.ProvForceIngress[] pfi;
private NodeConfig.ProvForceEgress[] pfe;
private NodeConfig.ProvHop[] ph;
private static String[] gvasa(JSONArray a, int index) {
return(gvasa(a.get(index)));
}
private static String[] gvasa(JSONObject o, String key) {
return(gvasa(o.opt(key)));
}
private static String[] gvasa(Object o) {
if (o instanceof JSONArray) {
JSONArray a = (JSONArray)o;
Vector<String> v = new Vector<String>();
for (int i = 0; i < a.length(); i++) {
String s = gvas(a, i);
if (s != null) {
v.add(s);
}
}
return(v.toArray(new String[v.size()]));
} else {
String s = gvas(o);
if (s == null) {
return(new String[0]);
} else {
return(new String[] { s });
}
}
}
private static String gvas(JSONArray a, int index) {
return(gvas(a.get(index)));
}
private static String gvas(JSONObject o, String key) {
return(gvas(o.opt(key)));
}
private static String gvas(Object o) {
if (o instanceof Boolean || o instanceof Number || o instanceof String) {
return(o.toString());
}
return(null);
}
/**
* Construct raw provisioing data entries from the text (JSON)
* provisioning document received from the provisioning server
* @param r The reader for the JSON text.
*/
public ProvData(Reader r) throws IOException {
Vector<NodeConfig.ProvNode> pnv = new Vector<NodeConfig.ProvNode>();
Vector<NodeConfig.ProvParam> ppv = new Vector<NodeConfig.ProvParam>();
Vector<NodeConfig.ProvFeed> pfv = new Vector<NodeConfig.ProvFeed>();
Vector<NodeConfig.ProvFeedUser> pfuv = new Vector<NodeConfig.ProvFeedUser>();
Vector<NodeConfig.ProvFeedSubnet> pfsnv = new Vector<NodeConfig.ProvFeedSubnet>();
Vector<NodeConfig.ProvSubscription> psv = new Vector<NodeConfig.ProvSubscription>();
Vector<NodeConfig.ProvForceIngress> pfiv = new Vector<NodeConfig.ProvForceIngress>();
Vector<NodeConfig.ProvForceEgress> pfev = new Vector<NodeConfig.ProvForceEgress>();
Vector<NodeConfig.ProvHop> phv = new Vector<NodeConfig.ProvHop>();
try {
JSONTokener jtx = new JSONTokener(r);
JSONObject jcfg = new JSONObject(jtx);
char c = jtx.nextClean();
if (c != '\0') {
throw new JSONException("Spurious characters following configuration");
}
r.close();
JSONArray jfeeds = jcfg.optJSONArray("feeds");
if (jfeeds != null) {
for (int fx = 0; fx < jfeeds.length(); fx++) {
JSONObject jfeed = jfeeds.getJSONObject(fx);
String stat = null;
if (jfeed.optBoolean("suspend", false)) {
stat = "Feed is suspended";
}
if (jfeed.optBoolean("deleted", false)) {
stat = "Feed is deleted";
}
String fid = gvas(jfeed, "feedid");
String fname = gvas(jfeed, "name");
String fver = gvas(jfeed, "version");
pfv.add(new NodeConfig.ProvFeed(fid, fname + "//" + fver, stat));
JSONObject jauth = jfeed.optJSONObject("authorization");
if (jauth == null) {
continue;
}
JSONArray jeids = jauth.optJSONArray("endpoint_ids");
if (jeids != null) {
for (int ux = 0; ux < jeids.length(); ux++) {
JSONObject ju = jeids.getJSONObject(ux);
String login = gvas(ju, "id");
String password = gvas(ju, "password");
pfuv.add(new NodeConfig.ProvFeedUser(fid, login, NodeUtils.getAuthHdr(login, password)));
}
}
JSONArray jeips = jauth.optJSONArray("endpoint_addrs");
if (jeips != null) {
for (int ix = 0; ix < jeips.length(); ix++) {
String sn = gvas(jeips, ix);
pfsnv.add(new NodeConfig.ProvFeedSubnet(fid, sn));
}
}
}
}
JSONArray jsubs = jcfg.optJSONArray("subscriptions");
if (jsubs != null) {
for (int sx = 0; sx < jsubs.length(); sx++) {
JSONObject jsub = jsubs.getJSONObject(sx);
if (jsub.optBoolean("suspend", false)) {
continue;
}
String sid = gvas(jsub, "subid");
String fid = gvas(jsub, "feedid");
JSONObject jdel = jsub.getJSONObject("delivery");
String delurl = gvas(jdel, "url");
String id = gvas(jdel, "user");
String password = gvas(jdel, "password");
boolean monly = jsub.getBoolean("metadataOnly");
boolean use100 = jdel.getBoolean("use100");
psv.add(new NodeConfig.ProvSubscription(sid, fid, delurl, id, NodeUtils.getAuthHdr(id, password), monly, use100));
}
}
JSONObject jparams = jcfg.optJSONObject("parameters");
if (jparams != null) {
for (String pname: JSONObject.getNames(jparams)) {
String pvalue = gvas(jparams, pname);
if (pvalue != null) {
ppv.add(new NodeConfig.ProvParam(pname, pvalue));
}
}
String sfx = gvas(jparams, "PROV_DOMAIN");
JSONArray jnodes = jparams.optJSONArray("NODES");
if (jnodes != null) {
for (int nx = 0; nx < jnodes.length(); nx++) {
String nn = gvas(jnodes, nx);
if (nn.indexOf('.') == -1) {
nn = nn + "." + sfx;
}
pnv.add(new NodeConfig.ProvNode(nn));
}
}
}
JSONArray jingresses = jcfg.optJSONArray("ingress");
if (jingresses != null) {
for (int fx = 0; fx < jingresses.length(); fx++) {
JSONObject jingress = jingresses.getJSONObject(fx);
String fid = gvas(jingress, "feedid");
String subnet = gvas(jingress, "subnet");
String user = gvas(jingress, "user");
String[] nodes = gvasa(jingress, "node");
if (fid == null || "".equals(fid)) {
continue;
}
if ("".equals(subnet)) {
subnet = null;
}
if ("".equals(user)) {
user = null;
}
pfiv.add(new NodeConfig.ProvForceIngress(fid, subnet, user, nodes));
}
}
JSONObject jegresses = jcfg.optJSONObject("egress");
if (jegresses != null && JSONObject.getNames(jegresses) != null) {
for (String esid: JSONObject.getNames(jegresses)) {
String enode = gvas(jegresses, esid);
if (esid != null && enode != null && !"".equals(esid) && !"".equals(enode)) {
pfev.add(new NodeConfig.ProvForceEgress(esid, enode));
}
}
}
JSONArray jhops = jcfg.optJSONArray("routing");
if (jhops != null) {
for (int fx = 0; fx < jhops.length(); fx++) {
JSONObject jhop = jhops.getJSONObject(fx);
String from = gvas(jhop, "from");
String to = gvas(jhop, "to");
String via = gvas(jhop, "via");
if (from == null || to == null || via == null || "".equals(from) || "".equals(to) || "".equals(via)) {
continue;
}
phv.add(new NodeConfig.ProvHop(from, to, via));
}
}
} catch (JSONException jse) {
NodeUtils.setIpAndFqdnForEelf("ProvData");
eelflogger.error(EelfMsgs.MESSAGE_PARSING_ERROR, jse.toString());
logger.error("NODE0201 Error parsing configuration data from provisioning server " + jse.toString(), jse);
throw new IOException(jse.toString(), jse);
}
pn = pnv.toArray(new NodeConfig.ProvNode[pnv.size()]);
pp = ppv.toArray(new NodeConfig.ProvParam[ppv.size()]);
pf = pfv.toArray(new NodeConfig.ProvFeed[pfv.size()]);
pfu = pfuv.toArray(new NodeConfig.ProvFeedUser[pfuv.size()]);
pfsn = pfsnv.toArray(new NodeConfig.ProvFeedSubnet[pfsnv.size()]);
ps = psv.toArray(new NodeConfig.ProvSubscription[psv.size()]);
pfi = pfiv.toArray(new NodeConfig.ProvForceIngress[pfiv.size()]);
pfe = pfev.toArray(new NodeConfig.ProvForceEgress[pfev.size()]);
ph = phv.toArray(new NodeConfig.ProvHop[phv.size()]);
}
/**
* Get the raw node configuration entries
*/
public NodeConfig.ProvNode[] getNodes() {
return(pn);
}
/**
* Get the raw parameter configuration entries
*/
public NodeConfig.ProvParam[] getParams() {
return(pp);
}
/**
* Ge the raw feed configuration entries
*/
public NodeConfig.ProvFeed[] getFeeds() {
return(pf);
}
/**
* Get the raw feed user configuration entries
*/
public NodeConfig.ProvFeedUser[] getFeedUsers() {
return(pfu);
}
/**
* Get the raw feed subnet configuration entries
*/
public NodeConfig.ProvFeedSubnet[] getFeedSubnets() {
return(pfsn);
}
/**
* Get the raw subscription entries
*/
public NodeConfig.ProvSubscription[] getSubscriptions() {
return(ps);
}
/**
* Get the raw forced ingress entries
*/
public NodeConfig.ProvForceIngress[] getForceIngress() {
return(pfi);
}
/**
* Get the raw forced egress entries
*/
public NodeConfig.ProvForceEgress[] getForceEgress() {
return(pfe);
}
/**
* Get the raw next hop entries
*/
public NodeConfig.ProvHop[] getHops() {
return(ph);
}
}
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