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30 lines
1.4 KiB
JavaScript
30 lines
1.4 KiB
JavaScript
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/* JavaScript: generate candidateVmName
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Appends appropriate numbering sequence to nameBase
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Inputs: digitCount (number), nameBase (string), digits (number), hostnameSequence (number), computerNames (ConfigurationElement)
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Outputs: computerNames (ConfigurationElement), candidateVmName (string), hostnameSequence (number)
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Exception binding: errMsg (string)
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*/
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if (digits) {
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hostnameSequence = digits;
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System.log("Manually setting sequence to user-provided input: " + digits)
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} else {
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try {
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hostnameSequence = computerNames.getAttributeWithKey(nameBase).value;
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System.debug("Found hostname base " + nameBase + " with sequence " + hostnameSequence);
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} catch (e) {
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System.debug("Hostname base " + nameBase + " does not exist, it will be created.");
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} finally {
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hostnameSequence++;
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if (hostnameSequence.toString().length > digitCount) {
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errMsg = 'All out of potential VM names, aborting...';
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throw(errMsg);
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}
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System.debug("Adding " + nameBase + " with sequence " + hostnameSequence);
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computerNames.setAttributeWithKey(nameBase,hostnameSequence);
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}
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}
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var hostnameNum = hostnameSequence.toString();
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var leadingZeroes = new Array(digitCount - hostnameNum.length + 1).join("0");
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hostnameNum = leadingZeroes + hostnameNum;
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candidateVmName = (nameBase + hostnameNum).toUpperCase();
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System.log("Proposed VM name: " + candidateVmName);
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