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carbonate3-1.1.5.dev1
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Tools for managing federated carbon clusters.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | carbonate3-1.1.5.dev1 |
| نام | carbonate3 |
| نسخه کتابخانه | 1.1.5.dev1 |
| نگهدارنده | ['Alex Klimenka'] |
| ایمیل نگهدارنده | ['nimda7@gmail.com'] |
| نویسنده | - |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | https://github.com/nimda7/carbonate3 |
| آدرس اینترنتی | https://pypi.org/project/carbonate3/ |
| مجوز | MIT |
# carbonate3
Carbonate for Python 3.6
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[](https://travis-ci.org/nimda7/carbonate3)
[](https://codecov.io/gh/nimda7/carbonate3)
Based on carbonate project for Python 2 (https://github.com/graphite-project/carbonate)
Graphite clusters are pretty cool. Here are some primitive tools to help you manage your graphite clusters.
All of the tools support two common arguments; the path to a config file, and the name of the cluster. Using these tools alongside a config file that describes your graphite clusters you can build up scripts to manage your metrics. Some of the tools could easily be replaced with one-liners in shell, but exist here for convenience and readability. The goal is to provide fast, predictable utilities that can easily be composed into more advanced tooling.
## Install
[Carbonate is available from Python official third party repository](https://pypi.python.org/pypi/carbonate/0.2.1) (aka PyPi) and as such can be installed via regular Python package managers.
Note that you might have to install a python package manager (e.g. apt-get install python-setuptools on a ubuntu host)
```
pip install carbonate3
```
## The Config
Carbonate expects a configuration file that defines the clusters in your environment. The default config file is located at `/opt/graphite/conf/carbonate.conf` or can be provided on the command line. The default cluster is named 'main'. Both defaults can be overridden by setting in the environment `CARBONATE_CONFIG` and `CARBONATE_CLUSTER` respectively.
```
[main]
DESTINATIONS = 192.168.9.13:2004:carbon01, 192.168.9.15:2004:carbon02, 192.168.6.20:2004:carbon03
REPLICATION_FACTOR = 2
SSH_USER = carbon
[fnv]
DESTINATIONS = 192.168.9.13:2004:ba603c36342304ed77953f84ac4d357b, 192.168.9.15:2004:5dd63865534f84899c6e5594dba6749a, 192.168.6.20:2004:866a18b81f2dc4649517a1df13e26f28
REPLICATION_FACTOR = 2
SSH_USER = carbonate
HASHING_TYPE = fnv1a_ch
```
You should take care to match the list of destination IPs or hostnames to the nodes in your cluster (i.e. it should match with routing configuretion of your carbon relay). Order is important because of how the consistent hash ring is created.
The replication factor should match the replication factor for the cluster.
Also, you can choose to provide a SSH user that will be used when carbonate requires connecting to another node in the cluster to perform an operation. If this is not provided, then the current user executing the command will be chosen.
Finally, you can provide HASHING_TYPE of your cluster. Default is `carbon_ch`, also `fnv1a_ch` is supported. Please note that for using `fnv1a_ch` hashing you need `carbon` 1.0.2 or newer installed (or you need to use [carbon-c-relay](https://github.com/grobian/carbon-c-relay) relay instead).
## The Tools
### carbon-hosts
```
usage: carbon-hosts [-h] [-c CONFIG_FILE] [-C CLUSTER]
Return the addresses for all nodes in a cluster
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (default: main)
```
### carbon-lookup
```
usage: carbon-lookup [-h] [-c CONFIG_FILE] [-C CLUSTER] [-s] METRIC
Lookup where a metric lives in a carbon cluster
positional arguments:
METRIC Full metric name to search for
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (default: main)
-s, --short Only display the address, without port and cluster
name (default: False)
```
### carbon-list
```
usage: carbon-list [-h] [-c CONFIG_FILE] [-C CLUSTER] [-d STORAGE_DIR]
List the metrics this carbon node contains
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (default: main)
-d STORAGE_DIR, --storage-dir STORAGE_DIR
Storage dir (default: /opt/graphite/storage/whisper)
```
### carbon-sieve
```
usage: carbon-sieve [-h] [-c CONFIG_FILE] [-C CLUSTER] [-f METRICS_FILE]
[-n NODE] [-I]
Given a list of metrics, output those that belong to a node
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (default: main)
-f METRICS_FILE, --metrics-file METRICS_FILE
File containing metric names to filter, or '-' to read
from STDIN (default: -)
-n NODE, --node NODE Filter for metrics belonging to this node (default:
self)
-I, --invert Invert the sieve, match metrics that do NOT belong to
a node (default: False)
```
### carbon-sync
```
usage: carbon-sync [-h] [-c CONFIG_FILE] [-C CLUSTER] [-f METRICS_FILE] -s
SOURCE_NODE [-d STORAGE_DIR] [-b BATCH_SIZE]
[--source-storage-dir SOURCE_STORAGE_DIR]
[--rsync-options RSYNC_OPTIONS] [--dirty] [-l] [-o]
Sync local metrics using remote nodes in the cluster
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (env: CARBONATE_CONFIG) (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (env: CARBONATE_CLUSTER) (default: main)
-f METRICS_FILE, --metrics-file METRICS_FILE
File containing metric names to filter, or '-' to read
from STDIN (default: -)
-s SOURCE_NODE, --source-node SOURCE_NODE
Override the source for metrics data (default: None)
-d STORAGE_DIR, --storage-dir STORAGE_DIR
Storage dir (default: /opt/graphite/storage/whisper)
-b BATCH_SIZE, --batch-size BATCH_SIZE
Batch size for the rsync job (default: 1000)
--source-storage-dir SOURCE_STORAGE_DIR
Source storage dir (default:
/opt/graphite/storage/whisper)
--rsync-options RSYNC_OPTIONS
Pass option(s) to rsync. Make sure to use "--rsync-
options=" if option starts with '-' (default: -azpS)
--dirty If set, don't clean temporary rsync directory
(default: False)
-l, --lock Lock whisper files during filling (default: False)
-o, --overwrite Write all non nullpoints from src to dst (default:
False)
```
### carbon-path
```
usage: carbon-path [-h] [-c CONFIG_FILE] [-C CLUSTER] [-f METRICS_FILE] [-r]
[-p] [-d STORAGE_DIR]
Transform metric paths to (or from) filesystem paths
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (default: main)
-f METRICS_FILE, --metrics-file METRICS_FILE
File containing metric names to transform to file
paths, or '-' to read from STDIN (default: -)
-r, --reverse Transform from file paths to metric paths (default:
False)
-p, --prepend Prepend storage dir to file paths (default: False)
-d STORAGE_DIR, --storage-dir STORAGE_DIR
Whisper storage directory to prepend when -p given
(default: /opt/graphite/storage/whisper)
```
### carbon-stale
```
usage: carbon-stale [-h] [-c CONFIG_FILE] [-C CLUSTER] [-f METRICS_FILE] [-r]
[-d STORAGE_DIR] [-l HOURS] [-o HOURS] [-w] [-p]
Find and list potentially stale metrics.
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
Config file to use (default:
/opt/graphite/conf/carbonate.conf)
-C CLUSTER, --cluster CLUSTER
Cluster name (default: main)
-f METRICS_FILE, --metrics-file METRICS_FILE
File containing metric names to transform to file
paths, or '-' to read from STDIN (default: -)
-r, --reverse Output metrics which are not stale instead (default:
False)
-d STORAGE_DIR, --storage-dir STORAGE_DIR
Whisper storage directory to prepend when -p given
(default: /opt/graphite/storage/whisper)
-l HOURS, --limit HOURS
Definition of staleness, in hours (default: 24)
-o HOURS, --offset HOURS
Use a whisper data window ending HOURS ago (implies
-w) (default: 0)
-w, --whisper Use whisper data instead of filesystem stat() call
(default: False)
-p, --paths Print filesystem paths instead of metric names
(default: False)
```
### whisper-aggregate
```
usage: whisper-aggregate [-h] [-f METRICS_FILE] [-d STORAGE_DIR]
Set aggregation for whisper-backed metrics this carbon instance contains
optional arguments:
-h, --help show this help message and exit
-f METRICS_FILE, --metrics-file METRICS_FILE
File containing metric names and aggregation modes, or
'-' to read from STDIN (default: -)
-d STORAGE_DIR, --storage-dir STORAGE_DIR
Whisper storage directory (default:
/opt/graphite/storage/whisper)
```
### whisper-fill
```
usage: whisper-fill [-h] [-l] [-o] SRC DST
Backfill datapoints from one whisper file into another
positional arguments:
SRC Whisper source file
DST Whisper destination file
optional arguments:
-h, --help show this help message and exit
-l, --lock Lock whisper files during filling (default: False)
-o, --overwrite Write all non nullpoints from src to dst (default: False)
```
## Example usage
### Resync a node in a cluster
```
#!/bin/sh
#
# Resync a node from other nodes in the cluster
#
LOCAL_IP="$1"
for h in $(carbon-hosts) ; do
(
ssh $h -- carbon-list |
carbon-sieve -n $LOCAL_IP |
carbon-sync -s $h
) &
done
```
### Rebalance a cluster
```
#!/bin/sh
#
# Rebalance a cluster from one size to another. Remember to cleanup metrics
# that no longer belong when all nodes are rebalanced!
#
LOCAL_IP="$1"
OLD_CLUSTER="old"
NEW_CLUSTER="main"
for h in $(carbon-hosts -C "$OLD_CLUSTER") ; do
ssh $h -- carbon-list |
carbon-sieve -C "$NEW_CLUSTER" -n $LOCAL_IP |
carbon-sync -s $h
done
```
### List metrics that don't belong
```
#!/bin/sh
#
# List metrics from disk that don't belong
#
LOCAL_IP="$1"
carbon-list | carbon-sieve -I -n $LOCAL_IP
```
### Listing metrics that have stopped updating
Metrics with whisper data that is entirely blank for the last 2 hours (perhaps
useful if you suspect issues with fs timestamps or carbon clients writing in 'the
future'):
```
carbon-list | carbon-stale --whisper --limit=2
```
Metrics whose metrics files appear untouched for 48 hours or more (functionally
identical to `find /your/data/dir -type f -mtime +2`):
```
carbon-list | carbon-stale --limit=48
```
More interesting is if you use ``carbon-stale``, then sieve to identify stale
metrics that don't belong here (vs un-stale metrics that *do* belong here but
are misreported in carbon-sieve due to things like doubled-up periods in metric
paths due to broken collectors. It's a thing.)
```
carbon-list | carbon-stale --limit=48 | carbon-sieve -I -n $LOCAL_IP
```
To print file paths for use with e.g. `xargs rm` or whatnot, use `-p`:
```
carbon-list | carbon-stale -p | xargs -n 100 rm
```
# License
The code is available under the MIT license.
نحوه نصب
نصب پکیج whl carbonate3-1.1.5.dev1:
pip install carbonate3-1.1.5.dev1.whl
نصب پکیج tar.gz carbonate3-1.1.5.dev1:
pip install carbonate3-1.1.5.dev1.tar.gz