huawei-cloud-sec-edgar-bigdata-poc

name

huawei-cloud-sec-edgar-bigdata-poc

description

Deploy, operate, document, or troubleshoot the Huawei Cloud SEC EDGAR big-data lifecycle monitoring POC using OBS, MRS Spark, DWS, ECS, Superset, Terraform, PowerShell credential bootstrap, pipeline scripts, DWS loading, and the monitoring website. Use when Codex needs to reproduce this end-to-end environment, explain the scripts, continue deployment, fix failures, English/localize the websites, or create BI dashboards for the SEC EDGAR financial-topic dataset.

Huawei Cloud SEC EDGAR Big Data POC

Core Rule

Never embed Huawei Cloud AK/SK, account passwords, DWS/MRS passwords, Superset passwords, SSH private keys, or Terraform state secrets in this skill, code, docs, logs, screenshots, or chat. Load secrets only from environment variables, DPAPI-encrypted local XML, SSH agent/key files, or cloud secret services. Do not print command lines that contain Spark OBS access-key/secret-key settings.

Use this skill together with any broader Huawei Cloud big-data architecture or migration skill that fits the user's scenario.

Repository Shape

The working repo used for the original POC was:

C:\Users\Matebook\Documents\Codex\2026-05-13\ai-bi-1-1-obs-mrs

Important repo areas:

• infra/terraform/: Huawei Cloud OBS, VPC, subnet, ECS, EIP, DWS, MRS, security-group rules.
• scripts/: credential bootstrap, Terraform secure plan/apply helpers, Superset credential lookup.
• deploy/: Nginx, systemd API service, Superset install helper.
• server/monitor_api.py: small lifecycle status API on 127.0.0.1:8090.
• pipelines/sec_edgar_to_obs.py: stream SEC EDGAR public filings to OBS raw.
• pipelines/spark_clean_financial_data.py: MRS Spark raw-to-silver/gold job.
• sql/dws_schema.sql: DWS serving schema.
• index.html, app.js, styles.css: public monitoring website.

Read references/RUNBOOK.md for the full end-to-end deployment, commands, and troubleshooting record.

End-To-End Workflow

1. Bootstrap credentials locally.

   • Run scripts/huawei-cloud-credentials.ps1 for Huawei Cloud and Superset inputs.
   • Run scripts/bigdata-service-passwords.ps1 for DWS/MRS service passwords.
   • Store secrets under %LOCALAPPDATA%\Codex\huawei-cloud-bigdata\*.xml with DPAPI.
   • Keep terraform.tfvars free of plaintext passwords.

2. Provision cloud infrastructure.

   • Use Terraform under infra/terraform.
   • Plan through scripts/terraform-plan-secure.ps1; apply through scripts/terraform-apply-existing-plan.ps1.
   • Region default for this POC is la-south-2.
   • Use pay-per-use resources for POC.
   • Confirm Huawei Cloud quotas, current flavor names, and price before applying.

3. Deploy the monitoring website and API.

   • ECS hosts Nginx, static website, Superset, and bigdata-monitor-api.
   • Nginx serves / and proxies /api to 127.0.0.1:8090.
   • API reads /var/lib/bigdata-monitor/events.jsonl.

4. Stream public data into OBS.

   • Use pipelines/sec_edgar_to_obs.py.
   • Required env: SEC_USER_AGENT, HUAWEICLOUD_ACCESS_KEY, HUAWEICLOUD_SECRET_KEY, OBS_ENDPOINT, OBS_BUCKET.
   • Target layout: raw/sec-edgar/...; write a manifest under raw/sec-edgar/manifests/.
   • Emit download and obs monitor events to /api/events.

5. Run MRS Spark processing.

   • Copy or stage pipelines/spark_clean_financial_data.py.
   • Read obs://BUCKET/raw/sec-edgar/.
   • Write silver Parquet to obs://BUCKET/silver/sec-edgar/.
   • Write gold Parquet and CSV to obs://BUCKET/gold/sec-edgar/topic_daily*.
   • Emit mrs monitor events.

6. Load DWS.

Resource Baseline

This POC used a minimum practical baseline:

• ECS web/Superset: small 2 vCPU / 4 GB class with EIP.
• OBS: Standard bucket for raw/silver/gold.
• MRS: Spark/Hive-capable cluster, 2 masters + 3 cores, bigdata Linux flavors, 600 GB root/data disks in the tested region.
• DWS: 3-node smallest available DWS shape in the selected region.
• Superset: Docker on ECS, private DWS connectivity.

Treat these as POC-only starting points. Reconfirm current Huawei Cloud regional availability before deploying.

Verification Checklist

Use these checks before saying the pipeline is complete:

• Raw OBS data is at or above the target byte size.
• MRS log contains END status=0.
• YARN application final state is SUCCEEDED.
• Gold CSV exists under gold/sec-edgar/topic_daily_csv/part-*.csv.
• DWS fact table returns nonzero rows.
• /api/status shows all five stages as success.
• Superset dashboard opens and both charts query successfully.
• Public website has no stale localized text after any requested language change.

Troubleshooting Memory

Key failures from the original run:

• Terraform missing: install or use %LOCALAPPDATA%\Programs\Terraform\terraform.exe; helper scripts resolve this path.
• Public IP changed: update admin_cidr and reapply security-group rules.
• MRS flavor/component mismatch: use actual regional MRS 3.5.0-LTS components and .linux.bigdata flavors.
• MRS OBS connector agency failure: use job-level Basic OBS credentials if no MRS agency is configured, but never print command lines containing the secret key.
• MRS SFTP unavailable: copy files to MRS via SSH pipe instead of scp/SFTP.
• CRLF in remote shell scripts: convert to LF and avoid fragile backslash continuations.
• Stale PID files: check both PID liveness and END status= in log.
• Superset No module named psycopg2: install psycopg2-binary into the Superset runtime site-packages and restart.
• Superset 'ascii' codec can't encode characters: chart metric labels are used as SQL aliases; change metric labels to ASCII.
• Browser still shows old text: add a cache-busting query string to app.js.
• PowerShell encoding can corrupt Chinese JSON: send JSON as UTF-8 bytes when posting events.

User-Facing Defaults

When explaining the resulting dashboard:

• form_type is SEC filing type: 10-K, 10-Q, 8-K, 20-F, 6-K.
• risk_topic is a simple keyword-derived tag: credit, liquidity, rate, loan, general.
• line_count_sum is the number of cleaned text lines matching a group.
• file_count_sum is the number of filings represented by a group.
• This is a POC classification, not an investment signal.

When Continuing The Original Environment

Use local encrypted secret locations:

• %LOCALAPPDATA%\Codex\huawei-cloud-bigdata\credentials.xml
• %LOCALAPPDATA%\Codex\huawei-cloud-bigdata\bigdata-service-passwords.xml
• %LOCALAPPDATA%\Codex\huawei-cloud-bigdata\superset.xml
• %LOCALAPPDATA%\Codex\huawei-cloud-bigdata\ssh\bigdata-monitor-ed25519
• %LOCALAPPDATA%\Codex\huawei-cloud-bigdata\ssh\known_hosts

Never expose values read from these files. For password display requests, prefer copying to the local clipboard instead of writing the password in chat.