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manifest.yml
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type: install
jpsVersion: '1.8.1'
name: PostgreSQL Multi-Region Cluster
id: postgres-cluster-multiregions
categories:
- apps/clusters
- apps/databases
logo: /images/postgres-multiregion-logo.png
description:
text: Highly-available and reliable Postgres cluster setup with automatic multi-region distribution
short: Enterprise-grade Postgres Cluster with automatic distribution across several regions
baseUrl: https://raw.githubusercontent.com/jelastic-jps/postgres-multiregion/master
onBeforeInit: scripts/onBeforeInit.js
globals:
multiregional_utils: https://github.com/jelastic-jps/common/blob/main/multiregional-cluster-utils
cluster_app: postgres
password: ${fn.password(10)}
pgpool2Regions: ""
settings:
main:
fields:
- caption: Version
name: nodeType
type: list
values:
- value: postgres13
caption: PostgreSQL 13
- value: postgres14
caption: PostgreSQL 14
- value: postgres15
caption: PostgreSQL 15
- value: postgres16
caption: PostgreSQL 16
- value: postgres17
caption: PostgreSQL 17
default: postgres17
- caption: Environment
type: envname
name: envName
dependsOn: region
randomName: true
showFullDomain: false
tooltip: Maximum length of environment name is 16 symbols
required: true
- type: checkbox
caption: "Create separate environment group"
name: envGroupEnabled
value: true
- caption: PostgreSQL Regions
type: regionlist
name: regions
disableInactive: true
selectFirstAvailable: false
multiSelect: true
min: 2
max: 5
filter:
isActive: true
tooltip: Select the destination regions for PostgreSQL nodes. The first selected region will host the primary node of cluster, so this region should have the highest performance. Other regions will host the secondary nodes.
required: true
- type: toggle
caption: Pgpool-II enabled
name: pgpoolEnabled
value: false
showIf:
true:
- caption: Pgpool-II regions
type: regionlist
name: pgpool2Regions
disableInactive: true
selectFirstAvailable: false
multiSelect: true
min: 1
max: 5
filter:
isActive: true
tooltip: Select the destination regions for the Pgpool II nodes. The first selected region will host the main (managing) Pgpool II node, other regions will host the standby nodes.
required: true
mixins:
- https://github.com/jelastic-jps/common/blob/main/multiregional-cluster-utils/multiregion-globals-common.yml
- https://github.com/jelastic-jps/common/blob/main/multiregional-cluster-utils/multiregion-db-common.yml
actions:
createPgpool2Envs:
- script: |
var regions = '${settings.pgpool2Regions}'.split(','), actions = [];
var envGroups = eval('(' + MANIFEST + ')').envGroups;
for (var cluster = 1, n = regions.length + 1; cluster < n; cluster ++) {
actions.push({
jps: "${baseUrl}/scripts/manifest_pgpool2.jps?_r=${fn.random}",
envName: "${settings.envName}-pgpool2-" + cluster,
loggerName: "${settings.envName}-pgpool2-" + cluster,
envGroups: envGroups,
displayName: "Pgpool-II node " + cluster ,
region: "${globals.pgpoolRegion-" + cluster + "}",
settings: {
nodeType: "pgpool2",
password: "${globals.password}",
regions: "${settings.regions}",
mainEnvName: "${settings.envName}"
}
});
}
return { result: 0, onAfterReturn: { 'marketplace.jps.install': actions } };
attachNodeGroups:
- script: |
var postgresEnvGroup = 'Postgres cluster ' + '${settings.envName}';
var postgresEnvs = '${globals.DBEnvs}';
var targetEnvGroups = eval('(' + MANIFEST + ')').envGroups;
if (!Array.isArray(targetEnvGroups)) {
targetEnvGroupsString = targetEnvGroups.toString();
targetEnvGroups = [];
if(targetEnvGroupsString.length != 0) {
targetEnvGroups.push(targetEnvGroupsString);
}
}
targetEnvGroups.push(postgresEnvGroup);
var DBEnvs = '${globals.DBEnvs}'.split(',');
for (var i = 0, n = DBEnvs.length; i < n; i ++) {
resp = jelastic.env.control.AttachEnvGroup({
envName : DBEnvs[i],
session : session,
envGroups: targetEnvGroups
});
if (resp.result != 0) { return resp; }
}
if ('${settings.pgpoolEnabled}' == 'true' ) {
var Pgpool2Envs = '${globals.Pgpool2Envs}'.split(',');
for (var i = 0, n = Pgpool2Envs.length; i < n; i ++) {
resp = jelastic.env.control.AttachEnvGroup({
envName : Pgpool2Envs[i],
session : session,
envGroups: targetEnvGroups
});
if (resp.result != 0) { return resp; }
}
}
return { result: 0 }
onInstall:
- initGlobals
- setGlobals:
domain: ${settings.envName}-1.${globals.domain-1}
- createEnvs
- script: ${globals.multiregional_utils}/get-cluster-envs.js
envName: ${settings.envName}-1
- setGlobals:
DBEnvs: ${response.items.join(,)}
- if (${settings.pgpoolEnabled:false}):
- createPgpool2Envs
- setGlobals:
pgpool2Regions: ${settings.pgpool2Regions}
- script: ${globals.multiregional_utils}/get-cluster-envs.js
envName: ${settings.envName}-pgpool2-1
- setGlobals:
Pgpool2Envs: ${response.items.join(,)}
- if ('${settings.envGroupEnabled}' == 'true'):
- attachNodeGroups
- script: |-
var onAfterReturn = { setGlobals: {} }, pgsqlEnvs = [], glbs = onAfterReturn.setGlobals;
var resp = jelastic.env.control.GetEnvInfo('${settings.envName}-1', session);
var ipCmd = "ip a | grep -A1 venet0 | grep inet | awk '{print $2}'| sed 's|\/[0-9]*||g' | head -n 2|tail -n 1";
if (resp.result != 0) { return resp; } else { pgsqlEnvs.push(resp.env.shortdomain); }
for (var i = 0, k = resp.nodes; i < k.length; i++) {
if (k[i].nodeGroup == 'sqldb') {
if( k[i].ismaster ) {
glbs["master_id_sqldb-1"] = k[i].id;
glbs["master_address_sqldb-1"] = k[i].address;
}
}
}
return { result: 0, onAfterReturn: onAfterReturn };
- if (${settings.pgpoolEnabled:false}):
- script: |-
var onAfterReturn = { setGlobals: {} }, glbs = onAfterReturn.setGlobals;
var resp = jelastic.env.control.GetEnvInfo('${settings.envName}-pgpool2-1', session);
if (resp.result != 0) { return resp; }
for (var i = 0, k = resp.nodes; i < k.length; i++) {
if (k[i].nodeGroup == 'extra') {
if( k[i].ismaster ) {
glbs["master_id_pgpool-1"] = k[i].id;
glbs["master_address_pgpool-1"] = k[i].address;
}
}
}
return { result: 0, onAfterReturn: onAfterReturn };
- setGlobals:
pgpoolDomain: ${settings.envName}-pgpool2-1.${globals.domain-1}
- script: |-
var regions = '${settings.regions}'.split(','), currentEnvName,
replaceCmd = "sed -ci -e 's|MASTER_IP|PG_MASTER_IP|g' /usr/local/sbin/jcm"
for (var cluster = 1, n = regions.length + 1; cluster < n; cluster ++) {
currentEnvName = '${settings.envName}-' + cluster;
resp = jelastic.env.control.AddContainerEnvVars({
envName: currentEnvName,
session: session,
nodeGroup: "sqldb",
vars: {
"PG_MASTER_IP": '${globals.master_address_sqldb-1}'
}
});
if (resp.result != 0) { return resp; }
resp = jelastic.env.control.ExecCmdByGroup(currentEnvName, session, "sqldb", toJSON([{
"command": replaceCmd,
"params": ""
}]), false, false, "root");
if (resp.result != 0) { return resp; }
}
return { result: 0 }
- installClusterLogic
- if (${settings.pgpoolEnabled:false}):
- setGlobals:
successPath: /text/success-pgpool.md?_r=${fn.random}
- else:
- setGlobals:
successPath: /text/success.md?_r=${fn.random}
startPage: https://node${globals.master_id_sqldb-1}-${globals.domain}/
success:
email: ${globals.successPath}
text: ${globals.successPath}