kwatch helps you monitor all changes in your Kubernetes(K8s) cluster, detects crashes in your running apps in realtime, and publishes notifications to your channels (Slack, Discord, etc.) instantly

⚡️ Getting Started

Install

Using Helm

helm repo add kwatch https://kwatch.dev/charts
helm install [RELEASE_NAME] kwatch/kwatch --namespace kwatch --create-namespace --version 0.10.1

To get more details, please check chart's configuration

Using kubectl

You need to get config template to add your configs

curl  -L https://raw.githubusercontent.com/abahmed/kwatch/v0.10.1/deploy/config.yaml -o config.yaml

Then edit config.yaml file and apply your configuration

kubectl apply -f config.yaml

To deploy kwatch, execute following command:

kubectl apply -f https://raw.githubusercontent.com/abahmed/kwatch/v0.10.1/deploy/deploy.yaml

High Level Architecture

Point	URL
4.1	https://github.com/abahmed/kwatch/blob/main/main.go#L18
5.1.	https://github.com/abahmed/kwatch/blob/main/main.go#L21 / 24
6.1.	https://github.com/abahmed/kwatch/blob/main/main.go#L36
7.0.	https://github.com/abahmed/kwatch/blob/main/main.go#L40
7.1.	https://github.com/abahmed/kwatch/blob/main/upgrader/upgrader.go#L16
8.1.&8.2	https://github.com/abahmed/kwatch/blob/main/main.go#L46 / 52
8.3.	https://github.com/abahmed/kwatch/blob/main/main.go#L53
9.0.	https://github.com/abahmed/kwatch/blob/main/main.go#L58
9.1.	https://github.com/abahmed/kwatch/blob/main/controller/start.go#L20
9.2.	https://github.com/abahmed/kwatch/blob/main/controller/controller.go#L37
9.3.	https://github.com/abahmed/kwatch/blob/main/controller/controller.go
9.4.	https://github.com/abahmed/kwatch/tree/main/provider

Configuration

General

Parameter	Description
maxRecentLogLines	Optional Max tail log lines in messages, if it's not provided it will get all log lines
namespaces	Optional list of namespaces that you want to watch or forbid, if it's not provided it will watch all namespaces. If you want to forbid a namespace, configure it with !<namespace name>. You can either set forbidden namespaces or allowed, not both.
reasons	Optional list of reasons that you want to watch or forbid, if it's not provided it will watch all reasons. If you want to forbid a reason, configure it with !<reason>. You can either set forbidden reasons or allowed, not both.
ignoreFailedGracefulShutdown	If set to true, containers which are forcefully killed during shutdown (as their graceful shutdown failed) are not reported as error
ignoreContainerNames	Optional list of container names to ignore
ignorePodNames	Optional list of pod name regexp patterns to ignore
IgnoreLogPatterns	Optional list of regexp patterns of logs to ignore

App

Parameter	Description
app.proxyURL	used in outgoing http(s) requests except Kubernetes requests to cluster optionally
app.clusterName	used in notifications to indicate which cluster has issue
app.disableStartupMessage	If set to true, welcome message will not be sent to notification channels
app.logFormatter	used for setting custom formatter when app prints logs: text, json (default: text)

Upgrader

Parameter	Description
upgrader.disableUpdateCheck	If set to true, does not check for and notify about kwatch updates

PVC Monitor

Parameter	Description
pvcMonitor.enabled	to enable or disable this module (default: true)
pvcMonitor.interval	the frequency (in minutes) to check pvc usage in the cluster (default: 15)
pvcMonitor.threshold	the percentage of accepted pvc usage. if current usage exceeds this value, it will send a notification (default: 80)

Node Monitor

Parameter	Description
nodeMonitor.enabled	to enable or disable node monitoring (default: true)

Alerts

Slack

If you want to enable Slack, provide the webhook with optional text and title

Parameter	Description
alert.slack.webhook	Slack webhook URL
alert.slack.channel	Used by legacy webhooks to send messages to specific channel instead of default one
alert.slack.title	Customized title in slack message
alert.slack.text	Customized text in slack message

Discord

If you want to enable Discord, provide the webhook with optional text and title

Parameter	Description
alert.discord.webhook	Discord webhook URL
alert.discord.title	Customized title in discord message
alert.discord.text	Customized text in discord message

Email

If you want to enable Email, provide the from and to emails with host and the port

Parameter	Description
alert.email.from	From email
alert.email.password	From email Password
alert.email.host	provide the host
alert.email.port	provide the port
alert.email.to	the receiver email

PagerDuty

If you want to enable PagerDuty, provide the integration key

Parameter	Description
alert.pagerduty.integrationKey	PagerDuty integration key more info

Telegram

If you want to enable Telegram, provide a valid token and the chat Id.

Parameter	Description
alert.telegram.token	Telegram token
alert.telegram.chatId	Telegram chat id

Microsoft Teams

If you want to enable Microsoft Teams, provide the channel webhook.

Parameter	Description
alert.teams.webhook	webhook Microsoft team
alert.teams.title	Customized title in Microsoft teams message
alert.teams.text	Customized title in Microsoft teams message

Rocket Chat

If you want to enable Rocket Chat, provide the webhook with optional text

Parameter	Description
alert.rocketchat.webhook	Rocket Chat webhook URL
alert.rocketchat.text	Customized text in rocket chat message

Mattermost

If you want to enable Mattermost, provide the webhook with optional text and title

Parameter	Description
alert.mattermost.webhook	Mattermost webhook URL
alert.mattermost.title	Customized title in Mattermost message
alert.mattermost.text	Customized text in Mattermost message

Opsgenie

If you want to enable Opsgenie, provide the API key with optional text and title

Parameter	Description
alert.opsgenie.apiKey	Opsgenie API Key
alert.opsgenie.title	Customized title in Opsgenie message
alert.opsgenie.text	Customized text in Opsgenie message

Matrix

If you want to enable Matrix, provide homeServer, accessToken and internalRoomID with optional text and title

Parameter	Description
alert.matrix.homeServer	HomeServer URL
alert.matrix.accessToken	Account access token
alert.matrix.internalRoomID	Internal room ID
alert.matrix.title	Customized title in message
alert.matrix.text	Customized text in message

DingTalk

If you want to enable DingTalk, provide accessToken with optional secret and title

Parameter	Description
alert.dingtalk.accessToken	Chat access token
alert.dingtalk.secret	Optional secret used to sign requests
alert.dingtalk.title	Customized title in message

FeiShu

If you want to enable FeiShu, provide accessToken with optional secret and title

Parameter	Description
alert.feishu.webhook	FeiShu bot webhook URL
alert.feishu.title	Customized title in message

Zenduty

If you want to enable Zenduty, provide IntegrationKey with optional alert type

Parameter	Description
alert.zenduty.integrationKey	Zenduty integration Key
alert.zenduty.alertType	Optional alert type of incident: critical, acknowledged, resolved, error, warning, info (default: critical)

Google Chat

If you want to enable Rocket Chat, provide the webhook with optional text

Parameter	Description
alert.googlechat.webhook	Google Chat webhook URL
alert.rocketchat.text	Customized text in Google Chat message

Custom webhook

If you want to enable custom webhook, provide url with optional headers and basic auth

Parameter	Description
alert.webhook.url	Webhook URL
alert.webhook.headers	optional list of name and value
alert.webhook.basicAuth	optional username and password

Cleanup

kubectl delete -f https://raw.githubusercontent.com/abahmed/kwatch/v0.10.1/deploy/config.yaml
kubectl delete -f https://raw.githubusercontent.com/abahmed/kwatch/v0.10.1/deploy/deploy.yaml

👍 Contribute & Support

• Add a GitHub Star
• Suggest new features, ideas and optimizations
• Report issues

🚀 Who uses kwatch?

kwatch is being used by multiple entities including, but not limited to

If you want to add your entity, open issue to add it

💻 Contributors

⭐️ Stargazers

👋 Get in touch

Feel free to chat with us on Discord if you have questions, or suggestions

⚠️ License

kwatch is licensed under MIT License