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data-pipeline.workflows.yaml
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data-pipeline.workflows.yaml
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# name="data-pipeline"
# description="Runs the HTTPArchive data pipeline"
main:
params: [event]
steps:
- logParams:
call: sys.log
args:
data: ${event}
severity: DEBUG
- getEventData:
call: decodePubSubEventData
args:
event: ${event}
result: crawlPaths
- init:
assign:
- jobTypes: ["all", "combined"]
- checkIntervalSeconds: 300
- project: ${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
- region: "us-west1"
- flexTemplateRepo: "data-pipeline"
- flexTemplateBuildTag: "2024-03-13_01-08-18"
- flexTemplateBasePath: ${"gs://" + project + "/dataflow/templates/" + flexTemplateRepo}
- flexTemplateTemp: ${"gs://" + project + "-staging/dataflow"}
- setStartEndTimes:
assign:
- now: ${sys.now()}
- startTime: ${time.format(now - checkIntervalSeconds)}
- endTime: ${time.format(now)}
# for testing
# - startTime: "2022-09-07T23:30:00Z"
# - startTime: "2022-10-08T12:29:00Z"
# - endTime: ${time.format(time.parse(startTime) + checkIntervalSeconds)}
# wait for the webpagetest crawl queue to drain
- waitForWebPageTestCompletion:
call: waitForEmptyQueue
args:
startTime: ${startTime}
endTime: ${endTime}
checkIntervalSeconds: ${checkIntervalSeconds}
- iterateCrawlPaths:
for:
value: crawlPath
in: ${text.split(crawlPaths, ",")}
steps:
- crawlAssignments:
assign:
- manifestFileName: ${text.find_all_regex(crawlPath, "[^/]*$")[0].match + ".txt"}
- manifestPath: ${"gs://httparchive/crawls_manifest/" + manifestFileName}
- client: ${text.split(manifestFileName, "-")[0]}
- crawlDate: ${text.split(text.split(manifestFileName, "-")[1], ".")[0]}
- resolveClientName:
switch:
- condition: ${client == "chrome"}
assign:
- client: "desktop"
- condition: ${client == "android"}
assign:
- client: "mobile"
- condition: true
raise: ${"Unrecognized client, " + client}
# generate a manifest file in GCS if it does not exist, otherwise continue
- generateManifest:
call: generateManifest
args:
crawlPath: ${crawlPath}
manifestPath: ${manifestPath}
manifestFileName: ${manifestFileName}
- runDataflowJobs:
call: runDataflowJobs
args:
jobTypes: ${jobTypes}
client: ${client}
crawlDate: ${crawlDate}
startTime: ${startTime}
manifestPath: ${manifestPath}
flexTemplateTemp: ${flexTemplateTemp}
flexTemplateBasePath: ${flexTemplateBasePath}
flexTemplateBuildTag: ${flexTemplateBuildTag}
project: ${project}
region: ${region}
checkIntervalSeconds: ${checkIntervalSeconds}
# TODO: implement this
# - generateReports:
# call: sys.log
# args:
# data: "generating reports"
# severity: INFO
### SUB-TASKS ###
decodePubSubEventData:
params: [event]
steps:
- decode_pubsub_message:
assign:
- base64: ${base64.decode(event.data.message.data)}
- message: ${text.decode(base64)}
- return_pubsub_message:
return: ${message}
generateManifest:
params: [crawlPath, manifestPath, manifestFileName]
steps:
- checkManifestPath:
call: googleapis.storage.v1.objects.list
args:
bucket: httparchive
prefix: ${text.replace_all(manifestPath, "gs://httparchive/", "")}
result: manifestPathResults
- logManifestPath:
call: sys.log
args:
data: ${manifestPathResults}
severity: DEBUG
- manifestExists:
switch:
- condition: ${"items" in manifestPathResults}
next: end
next: createManifestFile
- createManifestFile:
call: googleapis.cloudbuild.v1.projects.builds.create
args:
projectId: httparchive
body:
steps:
- name: gcr.io/google.com/cloudsdktool/cloud-sdk
id: list-files
# timeout in seconds for this build step
timeout: ${string(3 * 60 * 60) + "s"}
script: ${
"#!/usr/bin/env bash" +
"\necho listing files from " + crawlPath +
"\ngsutil ls " + crawlPath + " > /workspace/" + manifestFileName +
"\nwc -l /workspace/" + manifestFileName + " > $BUILDER_OUTPUT/output" +
"\ncat $BUILDER_OUTPUT/output"
}
artifacts:
objects:
location: ${text.replace_all(manifestPath, manifestFileName, "")}
paths:
- ${manifestFileName}
tags:
- ${"workflow_id_" + sys.get_env("GOOGLE_CLOUD_WORKFLOW_ID")}
- ${"workflow_execution_id_" + sys.get_env("GOOGLE_CLOUD_WORKFLOW_EXECUTION_ID")}
- ${"workflow_revision_id_" + sys.get_env("GOOGLE_CLOUD_WORKFLOW_REVISION_ID")}
timeout: ${string(4 * 60 * 60) + "s"}
connector_params:
# timeout in seconds for the entire build
timeout: ${4 * 60 * 60}
result: buildOperation
- logBuildOperation:
call: sys.log
args:
data: ${buildOperation}
severity: DEBUG
bigQueryCountAll:
params: [project, client, crawlDate]
steps:
- logIntent:
call: sys.log
args:
data: ${"Checking BigQuery for all," + client + "," + crawlDate}
severity: INFO
- query:
call: googleapis.bigquery.v2.jobs.query
args:
projectId: ${project}
body:
useLegacySql: false
useQueryCache: false
timeoutMs: 300000
labels:
workflow_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_ID")}
workflow_execution_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_EXECUTION_ID")}
workflow_revision_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_REVISION_ID")}
query: ${
"SELECT COUNT(1)
FROM `httparchive.all.pages`
WHERE client = '"+ client +"' and date = PARSE_DATE('%b_%e_%Y', '" + crawlDate + "')"
}
result: queryResult
- logResult:
call: sys.log
args:
data: ${queryResult}
severity: DEBUG
- returnResult:
switch:
- condition: ${"rows" in queryResult}
return: ${int(queryResult.rows[0].f[0].v)}
next: returnZero
- returnZero:
return: 0
bigQueryCountCombined:
params: [project, client, crawlDate]
steps:
- logIntent:
call: sys.log
args:
data: ${"Checking BigQuery for combined," + client + "," + crawlDate}
severity: INFO
- query:
call: googleapis.bigquery.v2.jobs.query
args:
projectId: ${project}
body:
useLegacySql: false
useQueryCache: false
timeoutMs: 300000
labels:
workflow_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_ID")}
workflow_execution_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_EXECUTION_ID")}
workflow_revision_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_REVISION_ID")}
# yamllint disable rule:line-length
query: ${
"SELECT row_count
FROM `httparchive.pages.__TABLES__`
WHERE table_id = CONCAT(FORMAT_DATE('%Y_%m_%d', PARSE_DATE('%b_%e_%Y', '" + crawlDate + "')), '_" + client + "')"
}
# yamllint enable rule:line-length
result: queryResult
- logResult:
call: sys.log
args:
data: ${queryResult}
severity: DEBUG
- returnResult:
switch:
- condition: ${"rows" in queryResult}
return: ${int(queryResult.rows[0].f[0].v)}
next: returnZero
- returnZero:
return: 0
runDataflowJobs:
params:
[
jobTypes,
client,
crawlDate,
startTime,
manifestPath,
flexTemplateTemp,
flexTemplateBasePath,
flexTemplateBuildTag,
project,
region,
checkIntervalSeconds,
]
steps:
- iterateJobTypes:
for:
value: jobType
in: ${jobTypes}
steps:
- checkBigQuery:
switch:
- condition: ${jobType == "all"}
call: bigQueryCountAll
args:
project: ${project}
client: ${client}
crawlDate: ${crawlDate}
result: bqCount
- condition: ${jobType == "combined"}
call: bigQueryCountCombined
args:
project: ${project}
client: ${client}
crawlDate: ${crawlDate}
result: bqCount
- startOrContinue:
switch:
- condition: ${bqCount > 0}
call: sys.log
args:
# yamllint disable-line rule:line-length
data: ${"Skipping `" + jobType + "` dataflow job for `" + client + "`, data already exists. Row count=" + bqCount}
severity: WARNING
next: continue
next: startJob
- startJob:
try:
steps:
- setJobName:
assign:
# yamllint disable-line rule:line-length
- jobName: '${text.to_lower("crawl-" + jobType + "-" + client + "-" + text.replace_all_regex(text.replace_all_regex(startTime, "[-:]", ""), "[T.]", "-"))}'
- logStartJob:
call: sys.log
args:
data: ${"Running Dataflow job:" + jobName}
severity: INFO
- launchDataflowFlexTemplate:
call: launchDataflowFlexTemplate
args:
project: ${project}
region: ${region}
jobType: ${jobType}
jobName: ${jobName}
flexTemplateTemp: ${flexTemplateTemp}
flexTemplateBasePath: ${flexTemplateBasePath}
flexTemplateBuildTag: ${flexTemplateBuildTag}
client: ${client}
crawlDate: ${crawlDate}
parameters:
"input_file": ${manifestPath}
result: jobId
- waitForDataflowCompletion:
call: waitForDataflowCompletion
args:
project: ${project}
region: ${region}
jobId: ${jobId}
status: "JOB_STATE_DONE"
checkIntervalSeconds: ${checkIntervalSeconds}
retry:
predicate: ${dataflowJobRetryPredicate}
max_retries: 2
backoff:
initial_delay: 5
max_delay: 5
multiplier: 1
# https://dev.to/stack-labs/orchestrate-dataflow-pipelines-easily-with-gcp-workflows-1i8k
waitForDataflowCompletion:
params: [project, region, jobId, status, checkIntervalSeconds]
steps:
- init:
assign:
- currentStatus: ""
- failureStatuses:
[
"JOB_STATE_FAILED",
"JOB_STATE_CANCELLED",
"JOB_STATE_UPDATED",
"JOB_STATE_DRAINED",
]
- check_condition:
switch:
- condition: ${currentStatus in failureStatuses}
next: exit_fail
- condition: ${currentStatus != status}
next: iterate
next: exit_success
- iterate:
steps:
- sleep30s:
call: sys.sleep
args:
seconds: ${checkIntervalSeconds}
- getJob:
call: googleapis.dataflow.v1b3.projects.locations.jobs.get
args:
jobId: ${jobId}
location: ${region}
projectId: ${project}
result: getJobResponse
- getStatus:
assign:
- currentStatus: ${getJobResponse.currentState}
- log:
call: sys.log
args:
text: ${"Current Dataflow job status="+currentStatus}
severity: DEBUG
next: check_condition
- exit_success:
return: ${currentStatus}
- exit_fail:
raise: ${"Job in unexpected terminal status "+currentStatus}
launchDataflowFlexTemplate:
params:
[
project,
region,
jobType,
jobName,
flexTemplateTemp,
flexTemplateBasePath,
flexTemplateBuildTag,
client,
crawlDate,
parameters,
]
steps:
- logit:
call: sys.log
args:
data: ${parameters}
severity: DEBUG
- launch:
call: googleapis.dataflow.v1b3.projects.locations.flexTemplates.launch
args:
location: ${region}
projectId: ${project}
body:
launchParameter:
jobName: ${jobName}
environment:
stagingLocation: ${flexTemplateTemp}
tempLocation: ${flexTemplateTemp}
# maxWorkers: 10
additionalUserLabels:
workflow_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_ID")}
workflow_execution_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_EXECUTION_ID")}
workflow_revision_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_REVISION_ID")}
client: ${client}
crawl_date: ${text.to_lower(crawlDate)}
job_type: ${jobType}
# yamllint disable-line rule:line-length
containerSpecGcsPath: ${flexTemplateBasePath + "-" + jobType + "-" + flexTemplateBuildTag + ".json"}
parameters: ${parameters}
result: launchResult
- logResult:
call: sys.log
args:
data: ${launchResult}
severity: DEBUG
- jobCreated:
return: ${launchResult.job.id}
waitForEmptyQueue:
params: [startTime, endTime, checkIntervalSeconds]
steps:
- checkQueue:
call: checkQueue
args:
startTime: ${startTime}
endTime: ${endTime}
alignmentPeriod: ${checkIntervalSeconds}
result: queueSize
- logQueueSize:
call: sys.log
args:
data: ${"startTime:" + startTime + ",endTime:" + endTime + ",queueSize:" + queueSize}
severity: DEBUG
- queueIsEmpty:
switch:
- condition: ${queueSize > 0}
next: wait
next: end
- wait:
call: sys.sleep_until
args:
time: ${time.format(time.parse(endTime) + checkIntervalSeconds)}
- setNextInterval:
assign:
# TODO: use explicit times,
# or always reset to the current time to avoid lag between loops (for very small intervals)?
# - startTime: ${time.format(sys.now() - checkIntervalSeconds)}
# - endTime: ${time.format(sys.now())}
- startTime: ${endTime}
- endTime: ${time.format(time.parse(endTime) + checkIntervalSeconds)}
next: checkQueue
checkQueue:
params: [startTime, endTime, alignmentPeriod]
steps:
- init:
assign:
- projectId: ${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
- topicId: "crawl-queue"
- subscriptionId: "crawl-queue"
- getMetricValue:
call: http.get
args:
url: ${"https://monitoring.googleapis.com/v3/projects/" + projectId + "/timeSeries"}
query:
aggregation.alignmentPeriod: ${alignmentPeriod + "s"}
aggregation.groupByFields: subscriptionId
aggregation.perSeriesAligner: "ALIGN_MIN"
# yamllint disable-line rule:line-length
filter: ${"metric.type=\"pubsub.googleapis.com/subscription/num_undelivered_messages\" AND metadata.system_labels.topic_id=\"" + topicId + "\" AND resource.labels.subscription_id=\"" + subscriptionId + "\""}
interval.endTime: ${endTime}
interval.startTime: ${startTime}
auth:
type: OAuth2
result: metricValue
- logMetricValue:
call: sys.log
args:
data: ${metricValue}
severity: DEBUG
- returnResult:
return: ${int(metricValue.body.timeSeries[0].points[0].value.int64Value)}
dataflowJobRetryPredicate:
params: [e]
steps:
- logErrorMessage:
call: sys.log
args:
data: ${"Dataflow workflow step failure"}
severity: ERROR
- logException:
call: sys.log
args:
data: ${e}
severity: ERROR
- returnTrue:
return: true