KNetraHub Docker API: endpoints and migrations, no background jobs.
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Docker API ā the request half of Docker.
KNetraHub is a self-hosted IT operations portal: a Docker Swarm console, full-stack monitoring, work management, privileged access management, IP address management and a database workspace, behind one sign-in. It ships two ways ā as a single monolith image, or as the split stack of one image per service that this image belongs to.
š Documentation: https://sengphirum.github.io/KNetraHub/documentationā
The Docker module's HTTP API and realtime (SSE) endpoints, plus its schema migrations. No background jobs.
It bundles the server code of docker and nothing else, so the image carries only the module it is named after.
Serves Docker's HTTP endpoints and its realtime stream, and applies that module's own schema migrations at start-up. It opens two database pools: the portal pool it shares with every service, and Docker's module pool, which it shares only with that module's worker.
It runs no background job whatsoever. Nothing here polls, sweeps or drains, so restarting it interrupts requests only ā never the work already in flight on the worker.
Every service in the split stack runs unprivileged with cap_drop: [ALL]. This one additionally needs the Docker socket, because the Docker Engine API is the module.
| Image | Serves HTTP | Runs background jobs | Scale it with |
|---|---|---|---|
knetrahub-docker-api (this image) | yes | no | request load |
knetrahub-docker-workerā | no | yes | job volume |
knetrahub-appā | yes | yes | nothing ā it is one process |
Scale this with request and dashboard load. Scale docker-worker separately when it is the jobs, not the traffic, that are growing.
Read straight from the stack file that deploys this service, so the list is what the image actually takes. Optional entries ship commented out.
| Variable | Default | |
|---|---|---|
NUXT_APP_REPLICAS | 1 | set |
NUXT_DB_POOL_MAX | 8 | set |
NUXT_MODULE_POOL_REPLICAS | 2 | set |
NUXT_JWT_SECRET | change-me-to-a-long-random-string | set |
NUXT_ENV_MODE | staging | optional |
NUXT_DB_HOST | timescaledb | set |
NUXT_DB_PORT | 5432 | set |
NUXT_DB_NAME | knetrahub | set |
NUXT_DB_USER | knetrahub | set |
NUXT_DB_PASSWORD | change-me-to-a-long-random-string | set |
KNETRA_INTERNAL_TOKEN_FILE | /run/secrets/knetrahub_internal_token | optional |
NUXT_DOCKER_SOCKET_PATH | /var/run/docker.sock | set |
NUXT_AGENT_TOKEN | change-me-to-a-long-random-string | set |
NUXT_REDIS_URL | redis://knetrahub_redis:6379 | set |
NUXT_REDIS_PASSWORD_FILE | /run/secrets/knetrahub_redis_password | optional |
NUXT_DOCKER_REDIS_PREFIX | knd | set |
NUXT_VM_URL | http://knetrahub_victoriametrics:8428 | set |
NUXT_GITLAB_URL | https://gitlab.com | optional |
NUXT_GITLAB_TOKEN_FILE | /run/secrets/knetrahub_gitlab_token | optional |
NUXT_GITLAB_PROJECT_ID | 12345678 | optional |
NUXT_GITLAB_BRANCH | main | optional |
NUXT_GITLAB_STACKS_PATH | stacks | optional |
Anything ending in _FILE reads its value from that path instead, which is how the stack passes Docker secrets.
This is one service of a stack, not a standalone container: it expects the portal database and its siblings on the same overlay network. Deploy it with the stack file that owns it rather than with docker run.
docker stack deploy -c docker/docker-compose.yml knetrahub
Pin a tag or a registry for this one service with KNETRAHUB_DOCKER_API_IMAGE, which the stack file reads:
export KNETRAHUB_DOCKER_API_IMAGE=phirumseng/knetrahub-docker-api:0.1.11
latest ā the most recent releasex.y.z (e.g. 0.1.11) ā immutable release versionsPin the version in production. A rollback needs a tag that does not move, and every image in the stack is released under the same version so the whole set can be pinned together.
Each service is its own image, so one can be updated without restarting the others:
phirumseng/knetrahub-appā ā Monolith (app)phirumseng/knetrahub-uiā ā UIphirumseng/knetrahub-core-apiā ā Core APIphirumseng/knetrahub-docker-api ā Docker API ā this imagephirumseng/knetrahub-docker-workerā ā Docker workerphirumseng/knetrahub-monitoring-apiā ā Monitoring APIphirumseng/knetrahub-monitoring-workerā ā Monitoring workerphirumseng/knetrahub-work-apiā ā Work APIphirumseng/knetrahub-work-workerā ā Work workerphirumseng/knetrahub-pam-apiā ā Privileged Access APIphirumseng/knetrahub-pam-workerā ā Privileged Access workerphirumseng/knetrahub-ipmgt-apiā ā IP Management APIphirumseng/knetrahub-ipmgt-workerā ā IP Management workerphirumseng/knetrahub-dbmanager-apiā ā Database Manager APIphirumseng/knetrahub-agentā ā node agentphirumseng/knetrahub-pam-ssh-gatewayā ā PAM SSH gatewayphirumseng/knetrahub-pam-connector-runnerā ā PAM connector runnerphirumseng/knetrahub-dbmanager-gatewayā ā DB Manager gatewayProprietary ā Ā© Seng Phirum. All rights reserved.
Content type
Image
Digest
sha256:b17ebfeb0ā¦
Size
61.2 MB
Last updated
7 days ago
docker pull phirumseng/knetrahub-docker-api