Examples with ExecutionException com.cloud.utils.exception.ExecutionException used on opensource projects

Example 11 with ExecutionException

use of com.cloud.utils.exception.ExecutionException in project cloudstack by apache.

the class PaloAltoResource method execute.

private Answer execute(SetStaticNatRulesCommand cmd, int numRetries) {
    StaticNatRuleTO[] rules = cmd.getRules();
    try {
        ArrayList<IPaloAltoCommand> commandList = new ArrayList<IPaloAltoCommand>();
        for (StaticNatRuleTO rule : rules) {
            if (!rule.revoked()) {
                manageStcNatRule(commandList, PaloAltoPrimative.ADD, rule);
            } else {
                manageStcNatRule(commandList, PaloAltoPrimative.DELETE, rule);
            }
        }
        boolean status = requestWithCommit(commandList);
        return new Answer(cmd);
    } catch (ExecutionException e) {
        s_logger.error(e);
        if (numRetries > 0 && refreshPaloAltoConnection()) {
            int numRetriesRemaining = numRetries - 1;
            s_logger.debug("Retrying SetStaticNatRulesCommand. Number of retries remaining: " + numRetriesRemaining);
            return execute(cmd, numRetriesRemaining);
        } else {
            return new Answer(cmd, e);
        }
    }
}

Example 12 with ExecutionException

use of com.cloud.utils.exception.ExecutionException in project cloudstack by apache.

the class PaloAltoResource method requestWithCommit.

/* Runs a sequence of commands and attempts to commit at the end. */
/* Uses the Command pattern to enable overriding of the response handling if needed. */
private synchronized boolean requestWithCommit(ArrayList<IPaloAltoCommand> commandList) throws ExecutionException {
    boolean result = true;
    if (commandList.size() > 0) {
        // CHECK IF THERE IS PENDING CHANGES THAT HAVE NOT BEEN COMMITTED...
        String pending_changes;
        Map<String, String> check_params = new HashMap<String, String>();
        check_params.put("type", "op");
        check_params.put("cmd", "<check><pending-changes></pending-changes></check>");
        String check_response = request(PaloAltoMethod.GET, check_params);
        Document check_doc = getDocument(check_response);
        XPath check_xpath = XPathFactory.newInstance().newXPath();
        try {
            XPathExpression expr = check_xpath.compile("/response[@status='success']/result/text()");
            pending_changes = (String) expr.evaluate(check_doc, XPathConstants.STRING);
        } catch (XPathExpressionException e) {
            throw new ExecutionException(e.getCause().getMessage());
        }
        if (pending_changes.equals("yes")) {
            throw new ExecutionException("The Palo Alto has uncommited changes, so no changes can be made.  Try again later or contact your administrator.");
        } else {
            // ADD A CONFIG LOCK TO CAPTURE THE PALO ALTO RESOURCE
            String add_lock_status;
            Map<String, String> add_lock_params = new HashMap<String, String>();
            add_lock_params.put("type", "op");
            add_lock_params.put("cmd", "<request><config-lock><add></add></config-lock></request>");
            String add_lock_response = request(PaloAltoMethod.GET, add_lock_params);
            Document add_lock_doc = getDocument(add_lock_response);
            XPath add_lock_xpath = XPathFactory.newInstance().newXPath();
            try {
                XPathExpression expr = add_lock_xpath.compile("/response[@status='success']/result/text()");
                add_lock_status = (String) expr.evaluate(add_lock_doc, XPathConstants.STRING);
            } catch (XPathExpressionException e) {
                throw new ExecutionException(e.getCause().getMessage());
            }
            if (add_lock_status.length() == 0) {
                throw new ExecutionException("The Palo Alto is locked, no changes can be made at this time.");
            }
            try {
                // RUN THE SEQUENCE OF COMMANDS
                for (IPaloAltoCommand command : commandList) {
                    // run commands and modify result boolean
                    result = (result && command.execute());
                }
                // COMMIT THE CHANGES (ALSO REMOVES CONFIG LOCK)
                String commit_job_id;
                Map<String, String> commit_params = new HashMap<String, String>();
                commit_params.put("type", "commit");
                commit_params.put("cmd", "<commit></commit>");
                String commit_response = requestWithPolling(PaloAltoMethod.GET, commit_params);
                Document commit_doc = getDocument(commit_response);
                XPath commit_xpath = XPathFactory.newInstance().newXPath();
                try {
                    XPathExpression expr = commit_xpath.compile("/response[@status='success']/result/job/id/text()");
                    commit_job_id = (String) expr.evaluate(commit_doc, XPathConstants.STRING);
                } catch (XPathExpressionException e) {
                    throw new ExecutionException(e.getCause().getMessage());
                }
                if (commit_job_id.length() == 0) {
                    // no commit was done, so release the lock...
                    // REMOVE THE CONFIG LOCK TO RELEASE THE PALO ALTO RESOURCE
                    String remove_lock_status;
                    Map<String, String> remove_lock_params = new HashMap<String, String>();
                    remove_lock_params.put("type", "op");
                    remove_lock_params.put("cmd", "<request><config-lock><remove></remove></config-lock></request>");
                    String remove_lock_response = request(PaloAltoMethod.GET, remove_lock_params);
                    Document remove_lock_doc = getDocument(remove_lock_response);
                    XPath remove_lock_xpath = XPathFactory.newInstance().newXPath();
                    try {
                        XPathExpression expr = remove_lock_xpath.compile("/response[@status='success']/result/text()");
                        remove_lock_status = (String) expr.evaluate(remove_lock_doc, XPathConstants.STRING);
                    } catch (XPathExpressionException e) {
                        throw new ExecutionException(e.getCause().getMessage());
                    }
                    if (remove_lock_status.length() == 0) {
                        throw new ExecutionException("Could not release the Palo Alto device.  Please notify an administrator!");
                    }
                }
            } catch (ExecutionException ex) {
                // REVERT TO RUNNING
                String revert_job_id;
                Map<String, String> revert_params = new HashMap<String, String>();
                revert_params.put("type", "op");
                revert_params.put("cmd", "<load><config><from>running-config.xml</from></config></load>");
                requestWithPolling(PaloAltoMethod.GET, revert_params);
                // REMOVE THE CONFIG LOCK TO RELEASE THE PALO ALTO RESOURCE
                String remove_lock_status;
                Map<String, String> remove_lock_params = new HashMap<String, String>();
                remove_lock_params.put("type", "op");
                remove_lock_params.put("cmd", "<request><config-lock><remove></remove></config-lock></request>");
                String remove_lock_response = request(PaloAltoMethod.GET, remove_lock_params);
                Document remove_lock_doc = getDocument(remove_lock_response);
                XPath remove_lock_xpath = XPathFactory.newInstance().newXPath();
                try {
                    XPathExpression expr = remove_lock_xpath.compile("/response[@status='success']/result/text()");
                    remove_lock_status = (String) expr.evaluate(remove_lock_doc, XPathConstants.STRING);
                } catch (XPathExpressionException e) {
                    throw new ExecutionException(e.getCause().getMessage());
                }
                if (remove_lock_status.length() == 0) {
                    throw new ExecutionException("Could not release the Palo Alto device.  Please notify an administrator!");
                }
                // Bubble up the reason we reverted...
                throw ex;
            }
            return result;
        }
    } else {
        // nothing to do
        return true;
    }
}

Example 13 with ExecutionException

use of com.cloud.utils.exception.ExecutionException in project cloudstack by apache.

the class PaloAltoResource method execute.

private Answer execute(SetFirewallRulesCommand cmd, int numRetries) {
    FirewallRuleTO[] rules = cmd.getRules();
    try {
        ArrayList<IPaloAltoCommand> commandList = new ArrayList<IPaloAltoCommand>();
        for (FirewallRuleTO rule : rules) {
            if (!rule.revoked()) {
                manageFirewallRule(commandList, PaloAltoPrimative.ADD, rule);
            } else {
                manageFirewallRule(commandList, PaloAltoPrimative.DELETE, rule);
            }
        }
        boolean status = requestWithCommit(commandList);
        return new Answer(cmd);
    } catch (ExecutionException e) {
        s_logger.error(e);
        if (numRetries > 0 && refreshPaloAltoConnection()) {
            int numRetriesRemaining = numRetries - 1;
            s_logger.debug("Retrying SetFirewallRulesCommand. Number of retries remaining: " + numRetriesRemaining);
            return execute(cmd, numRetriesRemaining);
        } else {
            return new Answer(cmd, e);
        }
    }
}

Example 14 with ExecutionException

use of com.cloud.utils.exception.ExecutionException in project cloudstack by apache.

the class PaloAltoResource method login.

private boolean login(String username, String password) throws ExecutionException {
    Map<String, String> params = new HashMap<String, String>();
    params.put("type", "keygen");
    params.put("user", username);
    params.put("password", password);
    String keygenBody;
    try {
        keygenBody = request(PaloAltoMethod.GET, params);
    } catch (ExecutionException e) {
        return false;
    }
    Document keygen_doc = getDocument(keygenBody);
    XPath xpath = XPathFactory.newInstance().newXPath();
    try {
        XPathExpression expr = xpath.compile("/response[@status='success']/result/key/text()");
        _key = (String) expr.evaluate(keygen_doc, XPathConstants.STRING);
    } catch (XPathExpressionException e) {
        throw new ExecutionException(e.getCause().getMessage());
    }
    if (_key != null) {
        return true;
    }
    return false;
}

Example 15 with ExecutionException

use of com.cloud.utils.exception.ExecutionException in project cloudstack by apache.

the class PaloAltoResource method nodeToString.

// return an xml node as a string
private String nodeToString(Node node) throws ExecutionException {
    StringWriter sw = new StringWriter();
    try {
        Transformer t = TransformerFactory.newInstance().newTransformer();
        t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        t.transform(new DOMSource(node), new StreamResult(sw));
    } catch (Throwable t) {
        throw new ExecutionException("XML convert error when modifying PA config: " + t.getMessage());
    }
    return sw.toString();
}