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JE-66101 [MySQL Autofailover] Promote new primary on only available P… #288

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JE-66101 [MySQL Autofailover] Promote new primary on only available P… #288

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JE-66101 [MySQL Autofailover] Promote new primary on only available P…
lazarenkoalexey Apr 26, 2023
24c59f5
JE-66101 [MySQL Autofailover] Promote new primary on only available P…
lazarenkoalexey Apr 27, 2023
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48 changes: 46 additions & 2 deletions addons/promote-new-primary/scripts/promote-master-with-proxy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@ function promoteNewPrimary() {

this.run = function() {
let resp = this.auth();
this.log("auth resp ->" + resp);
if (resp.result != 0) return resp;

resp = this.newPrimaryOnProxy();
Expand Down Expand Up @@ -314,11 +313,56 @@ function promoteNewPrimary() {
return { result: 0 }
};

this.cmdByGroup = function(command, nodeGroup, timeout) {
this.getAvailableProxy = function() {
return this.availableProxy || "";
};

this.setAvailableProxy = function(nodeid) {
this.availableProxy = nodeid;
};

this.checkNodesAvailability = function(nodeGroup) {
let nodeid;

if (this.getAvailableProxy()) {
return {
result: 0,
nodeid: this.getAvailableProxy()
}
}

let resp = this.cmdByGroup("echo 1", nodeGroup, null, true);
this.log("checkNodesAvailability resp1 ->" + resp);
if (resp.result != 0) {
let nodeResp;
for (let i = 0, n = resp.responses.length; i < n; i++) {
nodeResp = resp.responses[i];
if (nodeResp.result == 0) {
nodeid = nodeResp.nodeid;
this.setAvailableProxy(nodeResp.nodeid);
break;
}
}
}

return {
result: 0,
nodeid: this.getAvailableProxy()
}
};

this.cmdByGroup = function(command, nodeGroup, timeout, test) {
if (timeout) {
command = "timeout " + timeout + "s bash -c \"" + command + "\"";
}

if (nodeGroup == PROXY && !test) {
let resp = this.checkNodesAvailability(PROXY);
if (resp.nodeid) {
return this.cmdById(resp.nodeid, command);
}
}

return api.env.control.ExecCmdByGroup(envName, session, nodeGroup, toJSON([{ command: command }]), true, false, ROOT);
};

Expand Down