huawei-cloud-lts-manage

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Huawei Cloud LTS Log Service Management

Overview

This skill manages Huawei Cloud LTS (Log Tank Service / 云日志服务) resources through hcloud CLI. It covers the full lifecycle of log groups, log streams, indexes, transfer tasks, and alarm rules, plus log search for fault diagnosis and security event response.

Capabilities:

Category	Operations
Query	List log groups, log streams, indexes, transfers, alarm rules, alarm history; search logs (keyword, structured, context, histogram)
Create	Create log groups, log streams, full-text indexes, OBS transfer tasks, keyword alarm rules, SQL alarm rules
Update	Update log group TTL, log stream TTL/storage, transfer config, alarm rules, alarm status, struct config
Delete	Delete log groups, log streams, transfers, alarm rules (⚠️ requires confirmation)
Diagnose	Search logs by keyword/time to locate faults; query log context; view log distribution histogram

Prerequisites

hcloud CLI installed and authenticated — see references/cli-installation-guide.md
Huawei Cloud AK/SK configured via hcloud configure (CLI profile)
IAM permissions — see references/iam-policies.md for least-privilege policy
Region: LTS is region-specific. Use --cli-region to specify the target region (e.g., cn-north-4, ap-southeast-1)

Workflow

1. Identify target log group/stream (ListLogGroups → ListLogStreams)
2. Query or manage resources based on user intent:
   ├── Query: list/show logs, indexes, transfers, alarms
   ├── Create: create log group/stream/index/transfer/alarm
   ├── Update: modify TTL/index/transfer/alarm config
   ├── Delete: remove resources (⚠️ confirmation required)
   └── Diagnose: search logs with keywords/time range
3. Return results (query returns JSON; mutations return resource config snapshot)

Core Commands

Query — Log Groups & Streams

bash

# List all log groups
hcloud LTS ListLogGroups --cli-region={region} --project_id={project_id}

# List log streams under a group
hcloud LTS ListLogStreams --cli-region={region} --project_id={project_id} \
  --log_group_name={log_group_name}

# Query index configuration for a log stream
hcloud LTS ListLogStreamIndex --cli-region={region} --project_id={project_id} \
  --group_id={group_id} --stream_id={stream_id}

Query — Transfer Tasks

bash

# List all transfer tasks
hcloud LTS ListTransfers --cli-region={region} --project_id={project_id}

# Filter by transfer type (OBS/DIS/DMS)
hcloud LTS ListTransfers --cli-region={region} --project_id={project_id} \
  --log_transfer_type=OBS

Query — Alarm Rules & History

bash

# List keyword alarm rules
hcloud LTS ListKeywordsAlarmRules --cli-region={region} --project_id={project_id}

# List SQL alarm rules
hcloud LTS ListSqlAlarmRules --cli-region={region} --project_id={project_id}

# Query active or history alarms (type: active_alert/history_alert)
# --whether_custom_field=false requires --time_range (minutes); true requires --start_time/--end_time (ms)
hcloud LTS ListActiveOrHistoryAlarms --cli-region={region} --project_id={project_id} \
  --domain_id={domain_id} --type=history_alert --whether_custom_field=false --time_range=30 --limit=10

Query — Log Search (Diagnose)

bash

# Search logs by keyword and time range
hcloud LTS ListLogs --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --log_stream_id={log_stream_id} \
  --start_time={start_time} --end_time={end_time} \
  --keywords="ERROR" --limit=50 --is_desc=true --highlight=true

# Get log context around a specific line (for fault diagnosis)
hcloud LTS ListLogContext --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --log_stream_id={log_stream_id} \
  --__time__={timestamp} --line_num={line_num} \
  --backwards_size=10 --forwards_size=10

# Get log distribution histogram (for trend analysis)
hcloud LTS ListLogHistogram --cli-region={region} --project_id={project_id} \
  --group_id={group_id} --stream_id={stream_id} \
  --start_time={start_time} --end_time={end_time} \
  --key_word="ERROR" --step_interval=3600000

# Query structured logs with SQL expression (requires the log stream to have a struct config)
# Supported SQL: GROUP BY / LIKE / WHERE
hcloud LTS ListQueryStructuredLogs --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --log_stream_id={log_stream_id} \
  --start_time={start_time} --end_time={end_time} \
  --sql_expression="select * where level like '%ERROR%'"

Create — Log Groups & Streams

bash

# Create a log group with TTL (days)
hcloud LTS CreateLogGroup --cli-region={region} --project_id={project_id} \
  --log_group_name="my-log-group" --ttl_in_days=30

# Create a log stream under a group
hcloud LTS CreateLogStream --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --log_stream_name="my-log-stream" --ttl_in_days=30

Create — Index

bash

# Create full-text index for a log stream
hcloud LTS CreateLogStreamIndex --cli-region={region} --project_id={project_id} \
  --group_id={group_id} --stream_id={stream_id} --logStreamId={stream_id} \
  --fullTextIndex.enable=true --fullTextIndex.caseSensitive=false \
  --fullTextIndex.includeChinese=true --fullTextIndex.tokenizer=" "

Create — Transfer Task (to OBS)

bash

# Create a transfer task to OBS bucket
hcloud LTS CreateTransfer --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} \
  --log_streams.1.log_stream_id={stream_id} --log_streams.1.log_stream_name={stream_name} \
  --log_transfer_info.log_transfer_type=OBS \
  --log_transfer_info.log_transfer_mode=cycle \
  --log_transfer_info.log_storage_format=RAW \
  --log_transfer_info.log_transfer_status=ENABLE \
  --log_transfer_info.log_transfer_detail.obs_bucket_name={bucket_name} \
  --log_transfer_info.log_transfer_detail.obs_period=5 \
  --log_transfer_info.log_transfer_detail.obs_period_unit=min

Create — Alarm Rules

bash

# Create a keyword alarm rule
hcloud LTS CreateKeywordsAlarmRule --cli-region={region} --project_id={project_id} \
  --domain_id={domain_id} \
  --keywords_alarm_rule_name="error-alarm" \
  --keywords_alarm_level=Critical \
  --keywords_requests.1.log_group_id={group_id} \
  --keywords_requests.1.log_stream_id={stream_id} \
  --keywords_requests.1.keywords="ERROR" \
  --keywords_requests.1.condition=">=" --keywords_requests.1.number=1 \
  --keywords_requests.1.search_time_range=5 --keywords_requests.1.search_time_range_unit=minute \
  --frequency.type=CRON --frequency.cron_expr="0 */5 * * * *" --notification_frequency=5

# Create a SQL alarm rule (requires sql_requests.[N].search_time_range)
hcloud LTS CreateSqlAlarmRule --cli-region={region} --project_id={project_id} \
  --domain_id={domain_id} \
  --sql_alarm_rule_name="sql-error-alarm" \
  --sql_alarm_level=Major \
  --sql_requests.1.log_group_id={group_id} \
  --sql_requests.1.log_stream_id={stream_id} \
  --sql_requests.1.sql="select count(*) where level='ERROR'" \
  --sql_requests.1.search_time_range=5 --sql_requests.1.search_time_range_unit=minute \
  --condition_expression=">=1" \
  --frequency.type=CRON --frequency.cron_expr="0 */5 * * * *" --notification_frequency=5

Update — TTL & Config

bash

# Update log group TTL (save duration)
hcloud LTS UpdateLogGroup --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --ttl_in_days=60

# Update log stream TTL and storage
hcloud LTS UpdateLogStream --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --log_stream_id={log_stream_id} \
  --ttl_in_days=60 --whether_log_storage=true

# Update transfer task config
hcloud LTS UpdateTransfer --cli-region={region} --project_id={project_id} \
  --log_transfer_id={transfer_id} \
  --log_transfer_info.log_storage_format=RAW \
  --log_transfer_info.log_transfer_status=ENABLE \
  --log_transfer_info.log_transfer_detail.obs_bucket_name={bucket_name} \
  --log_transfer_info.log_transfer_detail.obs_period=5 \
  --log_transfer_info.log_transfer_detail.obs_period_unit=min

# Enable/disable an alarm rule (status: RUNNING/STOPPING; type: keywords/sql)
hcloud LTS UpdateAlarmRuleStatus --cli-region={region} --project_id={project_id} \
  --alarm_rule_id={alarm_rule_id} --status=STOPPING --type=keywords

Delete — ⚠️ Requires Confirmation

CRITICAL: All Delete operations require explicit user confirmation before execution. Batch deletion of all LTS resources is prohibited. Each delete must specify a single resource ID.

bash

# Delete a log group (⚠️ cascades all log streams under it)
hcloud LTS DeleteLogGroup --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id}

# Delete a log stream
hcloud LTS DeleteLogStream --cli-region={region} --project_id={project_id} \
  --log_group_id={log_group_id} --log_stream_id={log_stream_id}

# Delete a transfer task
hcloud LTS DeleteTransfer --cli-region={region} --project_id={project_id} \
  --log_transfer_id={transfer_id}

# Delete a keyword alarm rule
hcloud LTS DeleteKeywordsAlarmRule --cli-region={region} --project_id={project_id} \
  --keywords_alarm_rule_id={alarm_rule_id}

# Delete a SQL alarm rule
hcloud LTS DeleteSqlAlarmRule --cli-region={region} --project_id={project_id} \
  --sql_alarm_rule_id={alarm_rule_id}

Parameter Confirmation

Parameter	Required	Description	Example
`--cli-region`	Yes	Target region	`{your-region}`
`--project_id`	Yes	Project ID	Obtained from IAM console
`--log_group_id`	For stream/index/transfer ops	Log group ID	`xxx-xxx-xxx`
`--log_stream_id`	For index/log search ops	Log stream ID	`xxx-xxx-xxx`
`--ttl_in_days`	For create/update group/stream	Log retention in days	`30`, `60`, `365`
`--keywords`	For log search	Search keywords	`"ERROR"`, `"Exception"`
`--start_time` / `--end_time`	For log search	Time range (ms)	`1700000000000`
`--log_transfer_type`	For transfer filter	Transfer type	`OBS`, `DIS`, `DMS`

Delete Safety Rules

Single resource deletion only — each Delete call must specify exactly one resource ID
No wildcard/batch delete — DeleteLogGroup deletes all streams under the group; always confirm the cascade impact
User must explicitly confirm — reply "确认" / "confirm" / "ok" before any Delete execution
Prohibited: deleting all log groups or all alarm rules in a single session without individual confirmation

Reference Documents

IAM Policies — Least-privilege IAM policy for LTS
CLI Installation Guide — hcloud CLI setup
Verification Method — How to verify the skill
Data Flow Diagram — Data flow through the skill
Acceptance Criteria — Acceptance criteria
LTS Alarm Reference — Alarm rule configuration reference

KooCLI Command Format Standard

bash

hcloud LTS ListLogGroups --cli-region={your-region} [--key=value ...]

Feature	Description	Example
Service name	`LTS` (uppercase)	`hcloud LTS ListLogGroups`
Operation name	PascalCase	`ListLogGroups`, `CreateTransfer`, `DeleteLogStream`
Region parameter	`--cli-region=<value>`	`--cli-region={your-region}`
Simple parameter	`--key=value`	`--log_group_name=my-group`
Indexed parameter	`--key.1=value`	`--keywords_requests.1.keywords=ERROR`

Huawei Cloud LTS Log Service Management

Overview

Prerequisites

Workflow

Core Commands

Query — Log Groups & Streams

Query — Transfer Tasks

Query — Alarm Rules & History

Query — Log Search (Diagnose)

Create — Log Groups & Streams

Create — Index

Create — Transfer Task (to OBS)

Create — Alarm Rules

Update — TTL & Config

Delete — ⚠️ Requires Confirmation

Parameter Confirmation

Delete Safety Rules

Reference Documents

KooCLI Command Format Standard

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