Configuration

Environment Variables

Prerequisites
For setting configuration file properties such as location and path:

  • First, you should set some environment variables for the locate configuration file.
    There are two options here, you can get the configuration file from a local drive or by using git.

For reading configuration files from a local drive:

  • Set OEC_CONF_SOURCE_TYPE and OEC_CONF_LOCAL_FILEPATH variables.

From reading configuration files from a git repository:

  • Set OEC_CONF_GIT_URL, OEC_CONF_GIT_FILEPATH, OEC_CONF_GIT_PRIVATE_KEY_FILEPATH, and OEC_CONF_GIT_PASSPHRASE variables.

📘

If you are using a public repository, you should use an https format of a git url and you do not need to set private key and passphrase.

Key

Value Properties

Example

OEC_CONF_SOURCE_TYPE

git → For getting from git

local → For getting from local environment

OEC_CONF_SOURCE_TYPE=git
or
OEC_CONF_SOURCE_TYPE=local

OEC_CONF_LOCAL_FILEPATH

filepath with extension (.yaml, .yml or .json)
Default: ~/oec/config.json

OEC_CONF_LOCAL_FILEPATH=/home/Opsgenie/OECConfig.yaml
or
OEC_CONF_LOCAL_FILEPATH=~/OECConfig.json

OEC_CONF_GIT_URL

HTTPS or SSH url of the git repository

OEC_CONF_GIT_URL=[email protected]:metehan/test-private-conf-cem.git
or
OEC_CONF_GIT_URL=https://bitbucket.org/metehan_ozturk/test-conf-cem.git

OEC_CONF_GIT_FILEPATH

filepath in the git repository folder (.yaml, .yml or .json)

OEC_CONF_GIT_FILEPATH=~/oec/config.json

OEC_CONF_GIT_PRIVATE_KEY_FILEPATH

git ssh key location in local drive

OEC_CONF_GIT_PRIVATE_KEY_FILEPATH=~/.ssh/id_rsa

OEC_CONF_GIT_PASSPHRASE

ssh passphrase

OEC_CONF_GIT_PASSPHRASE=1234

📘

‘~’ character can be used as home directory for running the program as a user in customer’s server.

Flag

Prometheus default metrics can be grabbed from http://localhost:<port-number>/metrics

  • To run multiple OEC in the same environment, -oec-metrics flag should be set as distinct port number values.
    -oec-metrics <port-number>

Logs

OEC log file is located:

  • On Windows: var/log/opsgenie/oec<pid>.log
  • On Linux: /var/log/opsgenie/oec<pid>.log
  • At the end of the file name of the log, there is program identifier (pid) to identify which process is running.

Configuration File

OEC supports json and yaml file extension with fields. Configuration filepath should be set on OEC_CONF_LOCAL_FILEPATH or OEC_CONF_GIT_FILEPATHaccording to local or git choice.

Field

Type

Mandatory

Description

apiKey

string

true

The API key which is copied from Opsgenie’s OEC Integration page

baseUrl

string

false

The API url of the Opsgenie mirror

logLevel

string

false

Log level of the OEC

  • Default: ‘info'
  • Options: ‘info’, ‘debug’, 'trace’, ‘error’, ‘warn’

globalArgs

list of string

false

Execute arguments that applies to all actions

globalFlags

map of string key-value

false

Execute flags that applies to all actions

  • Map field consists flag keys and values.
  • Given flags might enforce to be parsed in action script or executable.

globalEnv

list of string

false

Each element indicates one environment variable name and value separated with ‘=’ character. Applies to all actions. (e.g., “ENV1=value”)

actionMappings

map of string key and mappedAction value

true

Map of the alert action mappings

  • Each mapping has an action name(string) as a key which is defined in Opsgenie (e.g., Create).
  • At least one action should be existed.

actionMappingsmappedAction

map

true

Each mappedAction represents an action and includes an action properties sourceType, filepath, gitOptions and environmentVariables.

actionMappingsmappedActionsourceType

string

true

Type of script file location can be ‘local' or 'git’

actionMappingsmappedActionfilepath

string

true

Location of script or executable file

  • If “local”, full path should be provided (‘~’ can be used). If “git”, the path of the directory should be provided.

actionMappingsmappedActionstdout

string

false

stdout filepath of action

actionMappingsmappedActionstderr

string

false

stderr filepath of action

actionMappingsmappedActionargs

list of string

false

Execute arguments that applies to specified action

actionMappingsmappedActionflags

map of string key-value

false

Execute flags that applies to specified action

  • Map field consists flag keys and values.
  • Given flags might enforce to be parsed in action script or executable.

actionMappingsmappedActionenv

list of string

false

Each element indicates one environment variable name and value separated with ‘=’ character. Applies to specified action. (e.g., “ENV1=value”)

actionMappingsmappedActiongitOptions

map

true for git source

This field includes all three string properties,

  • which are
    url (git repository url),
    privateKeyFilePath (ssh key file),
    passphrase (if any).
  • Properties are same git variables at which Environment Variables section.
  • If soruceType is “git”, gitOptions should be set.

actionMappingsmappedActiongitOptionsurl

string

true for git source

HTTPS or SSH url of the git repository of the mappedAction

actionMappingsmappedActiongitOptionsprivateKeyFilepath

string

false

Private key filepath of the git repository of the mappedAction (if needed)

actionMappingsmappedActiongitOptionspassphrase

string

false

Passphrase of the git repository of the mappedAction (if needed)

pollerConf

map

false

The field gets all three integer properties specifying behavior of the poller that poll the sqs queue of OEC.

pollerConfpollingWaitIntervalInMillis

integer

false

The wait period of the poller when there is no new message in the queue or free job worker

  • Default: 100 (milliseconds)
  • Small values of this field (e.g., <100ms.) might cause high cpu usage.

pollerConfvisibilityTimeoutInSeconds

integer

false

The visibility timeout of messages that are polled from sqs queue

  • Default: 30 (seconds)

pollerConfmaxNumberOfMessages

integer

false

Maximum number of messages that are received at a time

  • Default: 10
  • Limited by 10 at most.

poolConf

map

false

The field gets all five integer properties specifying
behaviour of the worker pool that manages workers (go routines)

poolConfmaxNumberOfWorker

integer

false

Maximum number of worker processing action

  • Default: 12
  • Cpu bound processes may not need higher values of maxNumberOfWorker.
  • Higher values of maxNumberOfWorker may be meaningful for I/O bound processes.

poolConfminNumberOfWorker

integer

false

Minimum number of worker processing action

  • Default: 4
  • When there is not much active process, minNumberOfWorker determines the lower limit of idle worker number.

poolConfqueueSize

integer

false

Internal queue size of messages that are received from sqs queue

  • Default: 0
  • When all workers are busy, messages can be stored in internal queue.
  • Enabling queue size is not recommended and may cause data loss if any program crash.

poolConfkeepAliveTimeInMillis

integer

false

Alive time limit for any worker that is idle when actual worker count is higher than minNumberOfWorker

  • Default: 6000 (milliseconds)

poolConfmonitoringPeriodInMillis

integer

false

Monitoring interval to record pool metrics

  • Default: 15000 (milliseconds)

🚧

Local variable of args, flags and env overrides global ones.

  • apiKey, opsgenieUrl (baseUrl) and payload (OEC callback as JSON) passes to args as flag format. These flags should be parsed in action scripts or executables.
  • Payload consists alert info and integration specific params. Integration-specific params will exist for “send via OEC” option.
  • OEC updates git repositories periodically every 1 minute.

❗️

OEC integration uses directly actual actions (e.g. Create, Close, Acknowledge, etc.), other integrations use primarily mappedAction related with themselves (e.g. addCommentToIssue, createIssue, etc. for Jira integration).

🚧

Example config files that contain mapped actions and integration-specific flags for each integration can be obtained from the oec-scripts repository.

{
    "appName": "OEC-Example",
    "apiKey" : "4w3a0df7-d5c8-40d7-96db-975986bx3cb4",
    "baseUrl" : "https://api.opsgenie.com",
    "logLevel" : "debug",
    "globalArgs" : ["globalArg"],
    "_globalFlags" : {
        "comment out" : "remove '_' sign to enable globalFlags",
        "flagKey" : "flagValue"
    },
    "globalEnv" : ["globalEnv1=value"],
    "actionMappings" : {
        "Create" : {
            "sourceType" : "local",
            "filepath" : "~/Desktop/executable",
            "args" : ["arg"],
            "_flags": {
                "comment out" : "remove '_' sign to enable flags",
                "flagKey" : "flagValue"
            },
            "env" : ["env1=value"],
            "stdout" : "~/Desktop/createOut.txt",
            "stderr" : "~/Desktop/createErr.txt"
        },
        "Acknowledge" : {
            "sourceType" : "git",
            "filepath" : "/executable",
            "gitOptions" : {
                "url" : "https://bitbucket.org/example/example.git"
            },
            "stdout" : "~/Desktop/ackOut.txt",
            "stderr" : "~/Desktop/ackErr.txt"
        },
        "Custom" : {
            "sourceType" : "git",
            "filepath" : "/executable",
            "gitOptions" : {
                "url" : "[email protected]:example/example.git",
                "privateKeyFilepath" : "~/.ssh/id_rsa",
                "passphrase" : "pass"
            }
        }
    },
    "pollerConf" : {
        "pollingWaitIntervalInMillis" : 100,
        "visibilityTimeoutInSeconds" : 30,
        "maxNumberOfMessages" : 10
    },
    "poolConf" : {
        "maxNumberOfWorker": 12,
        "minNumberOfWorker": 4,
        "queueSize" : 0,
        "keepAliveTimeInMillis" : 6000,
        "monitoringPeriodInMillis" : 15000
    }
}
---
appName: OEC-Example
apiKey: 4w3a0df7-d5c8-40d7-96db-975986bx3cb4
baseUrl: https://api.opsgenie.com
logLevel: debug
globalArgs:
- globalArg
_globalFlags:
  comment out: remove '_' sign to enable globalFlags
  flagKey: flagValue
globalEnv:
- globalEnv1=value
actionMappings:
  Create:
    sourceType: local
    filepath: "~/Desktop/executable"
    args:
    - arg
    _flags:
      comment out: remove '_' sign to enable flags
      flagKey: flagValue
    env:
    - env1=value
    stdout: "~/Desktop/createOut.txt"
    stderr: "~/Desktop/createErr.txt"
  Acknowledge:
    sourceType: git
    filepath: "/executable"
    gitOptions:
      url: https://bitbucket.org/example/example.git
    stdout: "~/Desktop/ackOut.txt"
    stderr: "~/Desktop/ackErr.txt"
  Custom:
    sourceType: git
    filepath: "/executable"
    gitOptions:
      url: [email protected]:example/example.git
      privateKeyFilepath: "~/.ssh/id_rsa"
      passphrase: pass
pollerConf:
  pollingWaitIntervalInMillis: 100
  visibilityTimeoutInSeconds: 30
  maxNumberOfMessages: 10
poolConf:
  maxNumberOfWorker: 12
  minNumberOfWorker: 4
  queueSize: 0
  keepAliveTimeInMillis: 6000
  monitoringPeriodInMillis: 15000