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| == Introduction == * LIGO-Virgo Alert System (LVAlert) [[https://git.ligo.org/lscsoft/igwn-alert|igwn-alert]] * The International Gravitational Wave Network Alert System (igwn-alert) is a notification service built on the Apache Kafka protocol and the pubsub extension. * It is a higher-level modification of SCIMMA's hop-client to streamline receiving and responding to alerts from GraceDB. * This package replaces the legacy LIGO LVAlert XMPP-based alert system. * The API are compatible with Python 3 * Retirement of existing LVAlert service targeted for ~April 2022. * In O4, we will use igwn-alert. == Install == * The latest version is 0.1.2 (2021/12/07) * Available in pip and conda shortly. {{{ conda install igwn-alert }}} {{{ pip install igwn-alert }}} * help {{{ % igwn-alert -h usage: igwn-alert [-h] [-g GROUP] [-l {critical,error,warning,info,debug}] [-n NETRC] [-s SERVER] [-u USERNAME] {listen,subscriptions,topics,unsubscribe,send} ... positional arguments: {listen,subscriptions,topics,unsubscribe,send} sub-command help listen Listen for igwn-alert messages and print them to stdout. subscriptions List your subscriptions topics List available pubsub topics unsubscribe Unsubscribe from one or more topics send publish contents of a file to a pubsub topic optional arguments: -h, --help show this help message and exit -g GROUP, --group GROUP GraceDB group name (e.g., gracedb, gracedb-playground) -l {critical,error,warning,info,debug}, --log {critical,error,warning,info,debug} Log level -n NETRC, --netrc NETRC netrc file (default: read from NETRC environment variable or ~/.netrc) -s SERVER, --server SERVER igwn-alert server hostname -u USERNAME, --username USERNAME User name (default: look up in auth.toml or .netrc) }}} == Setting in advance on web == * The authentification between the client and the server is managed by SciMMA. * The first step is to make a SCiMMa account by visiting [[https://my.hop.scimma.org/|https://my.hop.scimma.org/]]. * At this time, access to igwn-alert is limited to LIGO, Virgo, or KAGRA members. * After log-in [[https://my.hop.scimma.org/|https://my.hop.scimma.org/]], by clicking {{{Create new credentials}}}, the password for your account will be shown just once. == Adding Authentication in local == * Run the {{{hop}}} command and enter the username and the password. * Empty Hostname is fine. {{{ hop auth add }}} * Once you entered, the authentification credential is stored in {{{~/.config/hop/auth.toml}}} . == Usage in local == * Initially, no topic (you can consider channel) is registered to your account. * From [[https://my.hop.scimma.org/|https://my.hop.scimma.org/]], please add channel (they call Adde permission). * [[https://lscsoft.docs.ligo.org/igwn-alert/index.html#command-line-interface|Command Line Interface]] {{{ % igwn-alert topics Topics for group gracedb associated with the current credential: }}} |
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| - [[https://lscsoft.docs.ligo.org/lvalert/guide.html|LVAlert Users Guide]] | * [[https://git.ligo.org/lscsoft/igwn-alert|git repo, igwn-alert]] * [[https://lscsoft.docs.ligo.org/igwn-alert/|igwn-alert, documentation outlining API]] * [[https://lscsoft.docs.ligo.org/igwn-alert/guide.html|igwn-alert, user guide for how to get started]] * [[KAGRA/Subgroups/DET/LVAlert_python2 |LVAlert instruction for python2 (out of date)]] * [[https://gracedb.ligo.org/documentation/responding_to_lvalert.html|Tutorial GraceDB]] |
Introduction
LIGO-Virgo Alert System (LVAlert) igwn-alert
- The International Gravitational Wave Network Alert System (igwn-alert) is a notification service built on the Apache Kafka protocol and the pubsub extension.
- It is a higher-level modification of SCIMMA's hop-client to streamline receiving and responding to alerts from GraceDB.
- This package replaces the legacy LIGO LVAlert XMPP-based alert system.
- The API are compatible with Python 3
- Retirement of existing LVAlert service targeted for ~April 2022.
- In O4, we will use igwn-alert.
Install
- The latest version is 0.1.2 (2021/12/07)
- Available in pip and conda shortly.
conda install igwn-alert
pip install igwn-alert
- help
% igwn-alert -h usage: igwn-alert [-h] [-g GROUP] [-l {critical,error,warning,info,debug}] [-n NETRC] [-s SERVER] [-u USERNAME] {listen,subscriptions,topics,unsubscribe,send} ... positional arguments: {listen,subscriptions,topics,unsubscribe,send} sub-command help listen Listen for igwn-alert messages and print them to stdout. subscriptions List your subscriptions topics List available pubsub topics unsubscribe Unsubscribe from one or more topics send publish contents of a file to a pubsub topic optional arguments: -h, --help show this help message and exit -g GROUP, --group GROUP GraceDB group name (e.g., gracedb, gracedb-playground) -l {critical,error,warning,info,debug}, --log {critical,error,warning,info,debug} Log level -n NETRC, --netrc NETRC netrc file (default: read from NETRC environment variable or ~/.netrc) -s SERVER, --server SERVER igwn-alert server hostname -u USERNAME, --username USERNAME User name (default: look up in auth.toml or .netrc)
Setting in advance on web
- The authentification between the client and the server is managed by SciMMA.
The first step is to make a SCiMMa account by visiting https://my.hop.scimma.org/.
- At this time, access to igwn-alert is limited to LIGO, Virgo, or KAGRA members.
After log-in https://my.hop.scimma.org/, by clicking Create new credentials, the password for your account will be shown just once.
Adding Authentication in local
Run the hop command and enter the username and the password.
- Empty Hostname is fine.
hop auth add
Once you entered, the authentification credential is stored in ~/.config/hop/auth.toml .
Usage in local
- Initially, no topic (you can consider channel) is registered to your account.
From https://my.hop.scimma.org/, please add channel (they call Adde permission).
% igwn-alert topics Topics for group gracedb associated with the current credential: