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[Backport 2.0] Custom healthcheck with filters #2244

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Sep 8, 2022
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[Backport 2.0] Custom healthcheck with filters #2244

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5 changes: 4 additions & 1 deletion config/opensearch_dashboards.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,10 @@
# This node attribute should assign all nodes of the same cluster an integer value that increments with each new cluster that is spun up
# e.g. in opensearch.yml file you would set the value to a setting using node.attr.cluster_id:
# Should only be enabled if there is a corresponding node attribute created in your OpenSearch config that matches the value here
#opensearch.optimizedHealthcheckId: "cluster_id"
#opensearch.optimizedHealthcheck.id: "cluster_id"
#opensearch.optimizedHealthcheck.filters: {
# attribute_key: "attribute_value",
#}

# If your OpenSearch is protected with basic authentication, these settings provide
# the username and password that the OpenSearch Dashboards server uses to perform maintenance on the OpenSearch Dashboards
Expand Down
15 changes: 12 additions & 3 deletions src/core/server/opensearch/opensearch_config.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ test('set correct defaults', () => {
"enabled": false,
"maxPercentage": 1,
},
"optimizedHealthcheckId": undefined,
"optimizedHealthcheck": undefined,
"password": undefined,
"pingTimeout": "PT30S",
"requestHeadersWhitelist": Array [
Expand Down Expand Up @@ -491,11 +491,20 @@ describe('deprecations', () => {
`);
});

it('logs a warning if elasticsearch.optimizedHealthcheckId is set and opensearch.optimizedHealthcheckId is not', () => {
it('logs a warning if elasticsearch.optimizedHealthcheckId is set and opensearch.optimizedHealthcheck.id is not', () => {
const { messages } = applyLegacyDeprecations({ optimizedHealthcheckId: '' });
expect(messages).toMatchInlineSnapshot(`
Array [
"\\"elasticsearch.optimizedHealthcheckId\\" is deprecated and has been replaced by \\"opensearch.optimizedHealthcheckId\\"",
"\\"elasticsearch.optimizedHealthcheckId\\" is deprecated and has been replaced by \\"opensearch.optimizedHealthcheck.id\\"",
]
`);
});

it('logs a warning if opensearch.optimizedHealthcheckId is set and opensearch.optimizedHealthcheck.id is not', () => {
const { messages } = applyOpenSearchDeprecations({ optimizedHealthcheckId: '' });
expect(messages).toMatchInlineSnapshot(`
Array [
"\\"opensearch.optimizedHealthcheckId\\" is deprecated and has been replaced by \\"opensearch.optimizedHealthcheck.id\\"",
]
`);
});
Expand Down
16 changes: 12 additions & 4 deletions src/core/server/opensearch/opensearch_config.ts
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Expand Up @@ -86,7 +86,14 @@ export const configSchema = schema.object({
requestTimeout: schema.duration({ defaultValue: '30s' }),
pingTimeout: schema.duration({ defaultValue: schema.siblingRef('requestTimeout') }),
logQueries: schema.boolean({ defaultValue: false }),
optimizedHealthcheckId: schema.maybe(schema.string()),
optimizedHealthcheck: schema.maybe(
schema.object({
id: schema.string(),
filters: schema.maybe(
schema.recordOf(schema.string(), schema.string(), { defaultValue: {} })
),
})
),
ssl: schema.object(
{
verificationMode: schema.oneOf(
Expand Down Expand Up @@ -154,7 +161,8 @@ const deprecations: ConfigDeprecationProvider = ({ renameFromRoot, renameFromRoo
renameFromRoot('elasticsearch.requestTimeout', 'opensearch.requestTimeout'),
renameFromRoot('elasticsearch.pingTimeout', 'opensearch.pingTimeout'),
renameFromRoot('elasticsearch.logQueries', 'opensearch.logQueries'),
renameFromRoot('elasticsearch.optimizedHealthcheckId', 'opensearch.optimizedHealthcheckId'),
renameFromRoot('elasticsearch.optimizedHealthcheckId', 'opensearch.optimizedHealthcheck.id'),
renameFromRoot('opensearch.optimizedHealthcheckId', 'opensearch.optimizedHealthcheck.id'),
renameFromRoot('elasticsearch.ssl', 'opensearch.ssl'),
renameFromRoot('elasticsearch.apiVersion', 'opensearch.apiVersion'),
renameFromRoot('elasticsearch.healthCheck', 'opensearch.healthCheck'),
Expand Down Expand Up @@ -222,7 +230,7 @@ export class OpenSearchConfig {
* Specifies whether Dashboards should only query the local OpenSearch node when
* all nodes in the cluster have the same node attribute value
*/
public readonly optimizedHealthcheckId?: string;
public readonly optimizedHealthcheck?: OpenSearchConfigType['optimizedHealthcheck'];

/**
* Hosts that the client will connect to. If sniffing is enabled, this list will
Expand Down Expand Up @@ -310,7 +318,7 @@ export class OpenSearchConfig {
this.ignoreVersionMismatch = rawConfig.ignoreVersionMismatch;
this.apiVersion = rawConfig.apiVersion;
this.logQueries = rawConfig.logQueries;
this.optimizedHealthcheckId = rawConfig.optimizedHealthcheckId;
this.optimizedHealthcheck = rawConfig.optimizedHealthcheck;
this.hosts = Array.isArray(rawConfig.hosts) ? rawConfig.hosts : [rawConfig.hosts];
this.requestHeadersWhitelist = Array.isArray(rawConfig.requestHeadersWhitelist)
? rawConfig.requestHeadersWhitelist
Expand Down
2 changes: 1 addition & 1 deletion src/core/server/opensearch/opensearch_service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ export class OpenSearchService

const opensearchNodesCompatibility$ = pollOpenSearchNodesVersion({
internalClient: this.client.asInternalUser,
optimizedHealthcheckId: config.optimizedHealthcheckId,
optimizedHealthcheck: config.optimizedHealthcheck,
log: this.log,
ignoreVersionMismatch: config.ignoreVersionMismatch,
opensearchVersionCheckInterval: config.healthCheckDelay.asMilliseconds(),
Expand Down
137 changes: 132 additions & 5 deletions src/core/server/opensearch/version_check/ensure_opensearch_version.test.ts
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Expand Up @@ -66,6 +66,35 @@ function createNodes(...versions: string[]): NodesInfo {
return { nodes };
}

function createNodesWithAttribute(
targetId: string,
filterId: string,
targetAttributeValue: string,
filterAttributeValue: string,
...versions: string[]
): NodesInfo {
const nodes = {} as any;
versions
.map((version, i) => {
return {
version,
http: {
publish_address: 'http_address',
},
ip: 'ip',
attributes: {
cluster_id: i % 2 === 0 ? targetId : filterId,
custom_attribute: i % 2 === 0 ? targetAttributeValue : filterAttributeValue,
},
};
})
.forEach((node, i) => {
nodes[`node-${i}`] = node;
});

return { nodes };
}

describe('mapNodesVersionCompatibility', () => {
function createNodesInfoWithoutHTTP(version: string): NodesInfo {
return { nodes: { 'node-without-http': { version, ip: 'ip' } } } as any;
Expand Down Expand Up @@ -179,7 +208,7 @@ describe('pollOpenSearchNodesVersion', () => {

pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheckId: 'cluster_id',
optimizedHealthcheck: { id: 'cluster_id' },
opensearchVersionCheckInterval: 1,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
Expand All @@ -203,7 +232,104 @@ describe('pollOpenSearchNodesVersion', () => {

pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheckId: 'cluster_id',
optimizedHealthcheck: { id: 'cluster_id' },
opensearchVersionCheckInterval: 1,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
log: mockLogger,
})
.pipe(take(1))
.subscribe({
next: (result) => {
expect(result).toEqual(
mapNodesVersionCompatibility(nodes, OPENSEARCH_DASHBOARDS_VERSION, false)
);
},
complete: done,
error: done,
});
});

it('returns compatibility results and isCompatible=true with filters', (done) => {
expect.assertions(2);
const target = {
id: '0',
attribute: 'foo',
};
const filter = {
id: '1',
attribute: 'bar',
};

// will filter out every odd index
const nodes = createNodesWithAttribute(
target.id,
filter.id,
target.attribute,
filter.attribute,
'5.1.0',
'6.2.0',
'5.1.0',
'5.1.1-Beta1'
);

// @ts-expect-error we need to return an incompatible type to use the testScheduler here
internalClient.cluster.state.mockReturnValueOnce({ body: nodes });

nodeInfosSuccessOnce(nodes);

pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheck: { id: target.id, filters: { custom_attribute: filter.attribute } },
opensearchVersionCheckInterval: 1,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
log: mockLogger,
})
.pipe(take(1))
.subscribe({
next: (result) => {
expect(result).toEqual(
mapNodesVersionCompatibility(nodes, OPENSEARCH_DASHBOARDS_VERSION, false)
);
expect(result.isCompatible).toBe(true);
},
complete: done,
error: done,
});
});

it('returns compatibility results and isCompatible=false with filters', (done) => {
expect.assertions(2);
const target = {
id: '0',
attribute: 'foo',
};
const filter = {
id: '1',
attribute: 'bar',
};

// will filter out every odd index
const nodes = createNodesWithAttribute(
target.id,
filter.id,
target.attribute,
filter.attribute,
'5.1.0',
'5.1.0',
'6.2.0',
'5.1.1-Beta1'
);

// @ts-expect-error we need to return an incompatible type to use the testScheduler here
internalClient.cluster.state.mockReturnValueOnce({ body: nodes });

nodeInfosSuccessOnce(nodes);

pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheck: { id: target.id, filters: { custom_attribute: filter.attribute } },
opensearchVersionCheckInterval: 1,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
Expand All @@ -215,6 +341,7 @@ describe('pollOpenSearchNodesVersion', () => {
expect(result).toEqual(
mapNodesVersionCompatibility(nodes, OPENSEARCH_DASHBOARDS_VERSION, false)
);
expect(result.isCompatible).toBe(false);
},
complete: done,
error: done,
Expand All @@ -232,7 +359,7 @@ describe('pollOpenSearchNodesVersion', () => {

pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheckId: 'cluster_id',
optimizedHealthcheck: { id: 'cluster_id' },
opensearchVersionCheckInterval: 1,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
Expand Down Expand Up @@ -268,7 +395,7 @@ describe('pollOpenSearchNodesVersion', () => {

const opensearchNodesCompatibility$ = pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheckId: 'cluster_id',
optimizedHealthcheck: { id: 'cluster_id' },
opensearchVersionCheckInterval: 100,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
Expand Down Expand Up @@ -308,7 +435,7 @@ describe('pollOpenSearchNodesVersion', () => {

const opensearchNodesCompatibility$ = pollOpenSearchNodesVersion({
internalClient,
optimizedHealthcheckId: 'cluster_id',
optimizedHealthcheck: { id: 'cluster_id' },
opensearchVersionCheckInterval: 10,
ignoreVersionMismatch: false,
opensearchDashboardsVersion: OPENSEARCH_DASHBOARDS_VERSION,
Expand Down
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