Created
September 25, 2016 08:27
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simple bit of groovy to show how to execute an "oc patch"
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| import groovy.json.JsonOutput | |
| import groovy.json.JsonSlurper | |
| //Simple example to show patching a container with new environment variables - need to have oc login before... :) | |
| def dcToUpdate = "kie-app-postgresql" | |
| def newEnvVars = [[name:"GROOVY_ROCKS", value: "true"], [name: "LOVE_OPENSHIFT", value: "of course"]] | |
| def currentDC = new JsonSlurper().parseText(["oc", "get" , "dc" , dcToUpdate ,"-o" ,"json"].execute().text) | |
| def containers = currentDC.spec.template.spec.containers | |
| //add new env vars to container definition | |
| newEnvVars.each { containers[0].env.add(it) } | |
| def patcher = [spec:[template:[spec:["containers":containers]]]] | |
| //generate patch command | |
| def patchCmd = ["oc", "patch", "dc", dcToUpdate, "-p", JsonOutput.toJson(patcher)] | |
| println patchCmd.join(" ") | |
| def patchProc = patchCmd.execute() | |
| def patchProcStream = new StringBuffer(); | |
| //different execution style in case of err | |
| patchProc.waitForProcessOutput(patchProcStream, System.err); | |
| println(patchProcStream.toString()); |
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Thanks! This was an immense help