observe

command module
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Published: Apr 4, 2024 License: Apache-2.0 Imports: 29 Imported by: 0

README

Observe Command-line Tool

This tool allows you to interact with an Observe tenant from the command line using the Observe API, without needing to use curl. Observe is a cloud based observability platform that models machine data to help you debug issues with software and businesses fast, and you can learn more about it at https://observeinc.com/

Download pre-built binaries for popular operating systems at https://github.com/observeinc/observe/releases Put the binary somewhere in your PATH and enjoy!

To install this tool from source, if you have go and git installed, you can run:

git clone https://github.com/observeinc/observe observe-tool
cd observe-tool
go install

The binary will show up in your go bin directory, whatever that is (this depends on how you installed go and what your environment is.)

The Observe API is documented at:

https://developer.observeinc.com/

Quick Start

Assuming you know your customer id (the numeric identifier for your tenant instance,) your site URL (the hostname part of the URL) and you have a login with email/password available, you can run it like so:

Log In
$ observe --customerid 180316196377 --site observeinc.com login myname@example.com --sso
Please visit https://180316196377.observeinc.com/settings/account?expectedUid=4711&serverToken=YUMMYTOKENFORTHEWINGOESHERE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
login: saved authtoken to section "default" in config file "/home/myname/.config/observe.yaml"
Run a Query
$ observe query -q 'pick_col timestamp, log | limit 10' -i 'Default.kubernetes/Container Logs'
| timestamp           | log                                                       |
-----------------------------------------------------------------------------------
| 1679497866772157872 | E0420 16:20:00.123456 1 package/file.go:123] Hello World! |
...
Getting Help
observe --help
observe help
observe help list
observe help query

Note that you will need to visit the Observe website using the link provided when logged in as the appropriate user, to authorize the login request in the web app. If you don't want to use this flow, and you have a direct (email/password) login, you can skip the --sso flag and enter the password directly. If you use SSO for Observe for a SSO provider that doesn't provide your email address as a user property, you can use the User ID instead of the email address. Your User ID for your user can be found in the Observe web app in the Settings -> Account Setting tab, at the bottom of the page.

The login command will save the authentication token generated in a local profile that will be re-used when you run other commands. If you do not want to save this credential in that file, you must specify --authtoken on the command line instead for each request, and should use --no-save when logging in. The authtoken will be printed to stdout in either case.

If you use an SSO SAML integration such as Okta, Azure AD, Google, or PingOne, then see the section about the login command for how to generate credentials.

The name of the dataset input for your query may vary based on what datasets you have installed or built in your workspace, as well as the name of your workspace -- explore the Datasets page in the Observe UI to find more datasets. You can also directly use a dataset ID, like 41007104, to specify the dataset to read. To specify more than one dataset to use for joins and unions, see the section on the query command below.

Command Configuration

The general shape of the command is:

observe [config-options] "command" [command-options]

The config-options are general options that specify which tenant and user you're interacting as, and where to read and write data.

The "command" selects the major operating mode (such as login or query) and the command-options tell the selected command exactly what to do.

Commands generally need three pieces of information to talk to the Observe service:

  1. Customer ID. This is the numeric identifier of the URL you use to interact with the Observe application. If your URL looks something like this, https://180316196377.observeinc.com/, then it is the 180316196377 part.
  2. Site URL. This is the hostname part of the URL you use to interact with the Observe application. If your URL looks something like this, 180316196377.observeinc.com, then it is the observeinc.com part.
  3. Authentication token. This is the credential that tells the system who you are and what privileges you have. This credential is simliar to a password, so you should not leak it into source control or public places, and you may want to use a password manager to store it.

The customer ID is specified with the --customerid configuration option.

The site URL is specified with the --site configuration option.

The authentication token is specified with the --authtoken option.

You can also configure these into a profile (such as the default profile) in the configuration file (see below) and select the profile with --profile or the OBSERVE_PROFILE environment variable.

Note that the set of config-options is different from command-options and each command has its own command-options. The config-options may not be specified after the command, and the command-options may not be specified before the command.

To see a list of all options and commands, use observe help

Profile Files

The file ~/.config/observe.yaml can store your commonly used config options like customer ID and site URL and even authtoken (if handled with care.) The file is a YAML file with a list of profiles, where you can choose a profile using the --profile command-line option. A profile named default will be used if no other profile is specified. You can specify another file for this with --config or the environment variable OBSERVE_CONFIG.

The name of each option within the profile is the same as the name of the corresponding command-line config-option. Here is an example:

profile:
  default:
    customerid: "133742069123"
    site: "observeinc.com"
    authtoken: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
  testing:
    customerid: "180316196377"
    site: "observe-testing.com"
    authtoken: "YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"
    timestamp: true
    workspace: Testing

With this profile, you can use the default profile using observe command ... and the testing profile using observe --profile=testing command ...

If no profile is specified on the command line, but the OBSERVE_PROFILE environment variable is set and not empty, that profile will be used.

Output and Printing

The --show-config option will print the current config used, whether it's coming from command-line or profile or environment or a combination of all three.

The --debug option will print more verbose output about what's going on, which may be helpful when automating actions and debugging why they fail after the fact. These outputs are printed to the standard error output stream.

The --quiet option will print less verbose output about what's going on, which may be helpful for people who don't want their terminal to have too much noise in them.

The --timestamp option will timestamp each progress/debug/error message, which may be helpful when using this tool in automation, but is harder to read when using the tool interactively.

Error, progress, and debug information will all be sent to the standard error stream. Actual data output by a particular command will be sent to standard out, or to a file specified with --output=filename. It's worth noting that data output redirection is a global configuration option and not an option to any specific command.

Use observe help objects to get help on object types.

Shell Completion

There is simple support for shell completion. A script that installs the complete command for bash is included in the source code; you can modify the script as appropriate for your shell if you use zsh or fish. Make sure this script is sourced by your shell on start-up, either by adding it to your shell profile file, or by installing it in the global shell completions directory for your system. (Consult your shell/system/search engine for what the appropriate location is for your particular case.)

Documentation

Overview

Options for the 'observe' command are arranged so that global options may have lowercase single-letter aliases, and options for a subcommand may have uppercase single-letter aliases. Thus, "-o" always means "set output file" but "-O" could mean different things for different sub-commands. If you want to avoid confusion, use the long options.

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