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Commit 46f52baa 46f52baa25b0b58c1e2fc059be3ac50e8960f279 by Christian Gerdes
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Version 1.3 with a new method in JavaMonWeb for OraMon getPrometheus()

1 parent a4be1d68
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Showing 5 changed files with 245 additions and 1 deletions
...@@ -78,6 +78,18 @@ function getMetrics(type, input, pdb) { ...@@ -78,6 +78,18 @@ function getMetrics(type, input, pdb) {
78 client2.send(); 78 client2.send();
79 } 79 }
80 80
81 function getPrometheus(type, input, pdb) {
82 // Get the metrics
83 var pdbAdd = "";
84 if(pdb != "" && pdb != null) pdbAdd = "pdbName=" + pdb + "&";
85 var client2 = new XMLHttpRequest();
86 client2.onreadystatechange = metricsHandler;
87 client2.open("GET", "" + type + "/getPrometheus?" + pdbAdd + "connectionString=" + encodeURIComponent(input));
88 client2.setRequestHeader('Cache-Control', 'no-cache');
89 client2.setRequestHeader('Pragma', 'no-cache');
90 client2.send();
91 }
92
81 function showGraph(type, input, pdb) { 93 function showGraph(type, input, pdb) {
82 // Get the metrics 94 // Get the metrics
83 var pdbAdd = ""; 95 var pdbAdd = "";
...@@ -98,7 +110,7 @@ function dataHandler() { ...@@ -98,7 +110,7 @@ function dataHandler() {
98 } 110 }
99 </script> 111 </script>
100 112
101 <h1>OraMon Web 1.2</h1> 113 <h1>OraMon Web 1.3</h1>
102 114
103 <h2>Status Oracle Monitors</h2> 115 <h2>Status Oracle Monitors</h2>
104 <p>Number of monitors: <%= se.lil.om.Registry.getList().size() %></p> 116 <p>Number of monitors: <%= se.lil.om.Registry.getList().size() %></p>
...@@ -151,6 +163,7 @@ function dataHandler() { ...@@ -151,6 +163,7 @@ function dataHandler() {
151 <input type="button" value="graph" onClick="showGraph('viewOraMon','<%= URLEncoder.encode(mon.getConString(), "UTF-8") %>',this.form.pdbName.value)"> 163 <input type="button" value="graph" onClick="showGraph('viewOraMon','<%= URLEncoder.encode(mon.getConString(), "UTF-8") %>',this.form.pdbName.value)">
152 <input id="getDataButton" type="button" value="getData" onClick="getData('OraMonREST', '<%= mon.getConString() %>',this.form.pdbName.value)"> 164 <input id="getDataButton" type="button" value="getData" onClick="getData('OraMonREST', '<%= mon.getConString() %>',this.form.pdbName.value)">
153 <input id="getMetricsButton" type="button" value="getMetrics" onClick="getMetrics('OraMonREST', '<%= mon.getConString() %>',this.form.pdbName.value)"> 165 <input id="getMetricsButton" type="button" value="getMetrics" onClick="getMetrics('OraMonREST', '<%= mon.getConString() %>',this.form.pdbName.value)">
166 <input id="getPrometheusButton" type="button" value="getPrometheus" onClick="getPrometheus('OraMonREST', '<%= mon.getConString() %>',this.form.pdbName.value)">
154 <input id="pdbName" name="pdbName" size="10"> 167 <input id="pdbName" name="pdbName" size="10">
155 </form> 168 </form>
156 </td> 169 </td>
......
...@@ -2,3 +2,4 @@ ...@@ -2,3 +2,4 @@
2 /JmxMonRESTgetMetrics.class 2 /JmxMonRESTgetMetrics.class
3 /OraMonRESTgetData.class 3 /OraMonRESTgetData.class
4 /OraMonRESTgetMetrics.class 4 /OraMonRESTgetMetrics.class
5 /OraMonRESTgetPrometheus.class
......
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1
2
3 import java.io.IOException;
4 import java.util.logging.Level;
5 import java.util.logging.Logger;
6
7 import javax.servlet.ServletException;
8 import javax.servlet.annotation.WebServlet;
9 import javax.servlet.http.HttpServlet;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12
13 import se.lil.om.OraMon;
14 import se.lil.om.Registry;
15
16 /**
17 * Servlet implementation class OraMonRESTgetPrometheus
18 */
19 @WebServlet(description = "Calls getData() and getMetrics() and reports in Prometheus format", urlPatterns = { "/OraMonREST/getPrometheus" })
20 public class OraMonRESTgetPrometheus extends HttpServlet {
21 private static final long serialVersionUID = 1L;
22 private final static Logger LOGGER = Logger.getLogger(OraMonRESTgetPrometheus.class.getName());
23 /**
24 * @see HttpServlet#HttpServlet()
25 */
26 public OraMonRESTgetPrometheus() {
27 super();
28 // TODO Auto-generated constructor stub
29 }
30
31 /**
32 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
33 */
34 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
35 response.setContentType("application/json");
36 try {
37 StringBuffer sb = new StringBuffer();
38 int age = 0;
39 if(request.getParameterMap().containsKey("age")) {
40 try {
41 age = Integer.parseInt(request.getParameter("age"));
42 } catch (Exception e) {
43 response.setStatus(400);
44 response.getWriter().println("{\"error\":true,\"msg\":\"The specified age parameter is not a valid integer number\"}");
45 return;
46 }
47 }
48
49 if(request.getParameterMap().containsKey("connectionString")) {
50 // We have a connection string, find the monitor or create it and call getData() on the monitor
51 OraMon monitor = null;
52 if(request.getParameter("connectionString").startsWith("jdbc:oracle")) {
53 // Full con string
54 String[] shortConArray = request.getParameter("connectionString").split("@");
55 if(shortConArray.length != 2) {
56 // Error, wrong format of string
57 response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
58 response.getWriter().println("{\"error\":true,\"msg\":\"connectionString needs to be in format jdbc:oracle:thin:@//host:port/servicename or jdbc:oracle:thin:@(<TNS Connection String>) with optional :username:password at the end.\"}");
59 return;
60 }
61 String[] shortConArray2 = shortConArray[1].split(":");
62 if(shortConArray2[0].startsWith("(")) {
63 // TNS Format
64 if(shortConArray2.length == 3) {
65 // We have a TNS connection string and username + password
66 monitor = Registry.findOrCreate(shortConArray[0] + "@" + shortConArray2[0], shortConArray2[1], shortConArray2[2]);
67 } else if (shortConArray2.length == 1) {
68 // We only have the TNS connection string, no username or password
69 monitor = Registry.find(shortConArray[0] + "@" + shortConArray2[0]);
70 } else {
71 // We have something else, not implemented
72 response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
73 response.getWriter().println("{\"error\":true,\"msg\":\"connectionString needs to be in format jdbc:oracle:thin:@(<TNS Connection String>) with optional :username:password at the end.\"}");
74 return;
75 }
76 } else {
77 // JDBC Format
78 if(shortConArray2[0].startsWith("//") && shortConArray2.length == 4) {
79 // We have new style and username and password, we can try to create the monitor if it doesnt exist
80 monitor = Registry.findOrCreate(shortConArray[0] + "@" + shortConArray2[0] + ":" + shortConArray2[1], shortConArray2[2], shortConArray2[3]);
81 } else if(!shortConArray2[0].startsWith("//") && shortConArray2.length == 5) {
82 // We have old style with sid with :username:password, try to find or create it
83 monitor = Registry.findOrCreate(shortConArray[0] + "@" + shortConArray2[0] + ":" + shortConArray2[1] + ":" + shortConArray2[2], shortConArray2[3], shortConArray2[4]);
84 } else if(shortConArray2[0].startsWith("//") && shortConArray2.length == 2) {
85 // We have new style but only have the connection string, try to find it (we cant create one without username/password)
86 monitor = Registry.find(request.getParameter("connectionString"));
87 } else if(!shortConArray2[0].startsWith("//") && shortConArray2.length == 3) {
88 // We have old style sid and no :username:password
89 monitor = Registry.find(request.getParameter("connectionString"));
90 } else {
91 // Wrong format
92 response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
93 response.getWriter().println("{\"error\":true,\"msg\":\"connectionString needs to be in format jdbc:oracle:thin:@//host:port/servicename with optional :username:password at the end.\"}");
94 return;
95 }
96 }
97 } else {
98 // Short con string
99 // Check that we have a valid connection string (added support to handle diffrent kinds of connection strings)
100 String[] conStrParamArray = request.getParameter("connectionString").split(":");
101 Boolean serviceName = false;
102 if(conStrParamArray.length == 4) {
103 // Check if service name is used ( / instead of : )
104 if(conStrParamArray[1].indexOf("/") >= 0) {
105 serviceName = true;
106 }
107 }
108 if(conStrParamArray.length != 5 && serviceName == false) {
109 // Error, we need 5 parts in the connection string
110 response.setStatus(400);
111 response.getWriter().println("{\"error\":true,\"msg\":\"connectionString needs to be in format host:port:sid:username:password or host:port/servicename:username:password\"}");
112 return;
113 }
114 String conStr, usrStr, pwdStr;
115 if(serviceName) {
116 conStr = "jdbc:oracle:thin:@//" + conStrParamArray[0] + ":" + conStrParamArray[1];
117 usrStr = conStrParamArray[2];
118 pwdStr = conStrParamArray[3];
119 } else {
120 conStr = "jdbc:oracle:thin:@" + conStrParamArray[0] + ":" + conStrParamArray[1] + ":" + conStrParamArray[2];
121 usrStr = conStrParamArray[3];
122 pwdStr = conStrParamArray[4];
123 }
124
125 // Try to find the monitor in our list
126 monitor = Registry.findOrCreate(conStr, usrStr, pwdStr);
127 }
128
129 String pdbName = null;
130 if(request.getParameterMap().containsKey("pdbName")) {
131 String temp = request.getParameter("pdbName");
132 if (!temp.isEmpty()) pdbName = temp;
133 }
134
135 if(monitor != null) {
136 if(request.getParameterMap().containsKey("block")) {
137 // Call setBlocked()
138 boolean blockedState = false;
139 try {
140 blockedState = Boolean.parseBoolean(request.getParameter("block"));
141 } catch (Exception e) {
142 response.setStatus(400);
143 response.getWriter().println("{\"error\":true,\"msg\":\"The specified block parameter is not a valid boolean\"}");
144 return;
145 }
146 monitor.setBlockedState(blockedState);
147 if(blockedState == monitor.getBlockedState()) {
148 response.setStatus(200);
149 response.getWriter().println("{\"error\":false,\"msg\":\"The blocked state is now set to "+blockedState+"\"}");
150 return;
151 } else {
152 response.setStatus(500);
153 response.getWriter().println("{\"error\":true,\"msg\":\"The blocked state could not be set to "+blockedState+"\"}");
154 return;
155 }
156 } else {
157 // Call getData()
158 monitor.getData(age,pdbName);
159 String fName = monitor.getFriendlyName(pdbName);
160 String dbName = monitor.getDBName();
161
162 // Now return the metrics in Prometheus format
163
164 sb.append("Cpu Usage (%){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getCPUPercent(pdbName) + "\n");
165 sb.append("Logical Reads (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getLogicalReadsPerSecond(pdbName) + "\n");
166 sb.append("Executes (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("execute count",pdbName) + "\n");
167 sb.append("User Calls (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("user calls",pdbName) + "\n");
168 sb.append("Cache Hit Ratio (%){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getCacheHitRatioPercent(pdbName) + "\n");
169 sb.append("Redo Size (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("redo size",pdbName) + "\n");
170
171 sb.append("OS Busy (%){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getOsBusyPercent() + "}");
172 sb.append("OS Load (#){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getOsLoad() + "}");
173 sb.append("OS Page In (KB/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("VM_IN_BYTES", OraMon.OSSTAT)/1024 + "\n");
174 sb.append("OS Page Out (KB/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("VM_OUT_BYTES", OraMon.OSSTAT)/1024 + "\n");
175 sb.append("OS Load per Cpu (#){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getOsLoadPerCPU() + "\n");
176
177 sb.append("Consistent Gets (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("consistent gets",pdbName) + "\n");
178 sb.append("DB Block Gets (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("db block gets",pdbName) + "\n");
179
180 sb.append("Buffer Cache Hit Ratio (%){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getBufferCacheHitRatioPercent(pdbName) + "\n");
181 sb.append("DB Block Changes (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("db block changes",pdbName) + "\n");
182
183 sb.append("Physical Reads (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("physical reads",pdbName) + "\n");
184 sb.append("Physical Writes (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("physical writes",pdbName) + "\n");
185 sb.append("Redo Writes (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("redo writes",pdbName) + "\n");
186 sb.append("Non-idle Wait Time (ms/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("non-idle wait time",pdbName) + "\n");
187 sb.append("File I/O Wait Time (ms/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("file io wait time",pdbName) + "\n");
188
189 sb.append("User Commits (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("user commits",pdbName) + "\n");
190 sb.append("User Rollbacks (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("user rollbacks",pdbName) + "\n");
191 sb.append("Parse Count Total (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("parse count (total)",pdbName) + "\n");
192 sb.append("Parse Count Hard (#/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getPerSecondValue("parse count (hard)",pdbName) + "\n");
193 sb.append("Cpu Usage xNIWT (%){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getCPUPercent(true,pdbName) + "\n");
194 sb.append("Cpu Time (us/s){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getCPUTimePerSecond(pdbName) + "\n");
195 sb.append("Cpus (#){pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getNumberOfCPUs() + "\n");
196
197 sb.append("OraMon Response Time{pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getLastRTms() + "\n");
198 sb.append("OraMon Blocked{pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getBlockedState() + "\n");
199 sb.append("OraMon Age{pdb=\""+fName+"\", cdb=\""+dbName+"\"} " + monitor.getAgeTs() + "\n");
200
201 }
202 } else {
203 response.setStatus(HttpServletResponse.SC_NOT_FOUND);
204 sb.append("{\"error\":true,\"msg\":\"Monitor not found and can't create one without :username:password '" + request.getParameter("connectionString") + "'\"");
205 sb.append("}");
206 }
207
208 } else {
209 // No input, just return the list of monitors
210 sb.append("{\"count\":" + Registry.getList().size() + "}");
211 }
212
213 response.getWriter().println(sb.toString());
214
215 } catch (Throwable e) {
216 response.setStatus(500);
217 response.getWriter().println("{\"error\":true,\"msg\":\""+e.toString().replace("\n"," ").replace("\"","\\\"").trim()+"\"}");
218 LOGGER.log(Level.SEVERE, e.toString());
219 e.printStackTrace();
220 }
221 }
222
223 /**
224 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
225 */
226 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
227 // TODO Auto-generated method stub
228 }
229
230 }