Drone plugin for Helm3.
Helm Version: 3.3.4
Kubectl Version: 1.19.2
Example:
- name: deploy app
image: bitsbeats/drone-helm3
settings:
kube_api_server: kube.example.com
kube_token: { from_secret: kube_token }
chart: ./path-to/chart
release: release-name
namespace: namespace-name
timeout: 20m
helm_repos:
- bitnami=https://charts.bitnami.com/bitnami
envsubst: true
values:
- app.environment=awesome
- app.tag=${DRONE_TAG/v/}
- app.commit=${DRONE_COMMIT_SHA}Note: If you enable envsubst make sure to surrount your variables like
${variable}, $variable will not work.
An always up2date version of the availible config options can be viewed on the
source on the Config struct here.
Example:
- name: deploy app
image: bitsbeats/drone-helm3
environment:
AWS_DEFAULT_REGION: us-east-1
settings:
kube_api_server: kube.example.com
eks_cluster: my-eks-cluster
chart: ./path-to/chart
release: release-name
namespace: namespace-name
timeout: 20m
helm_repos:
- bitnami=https://charts.bitnami.com/bitnami
envsubst: true
values:
- app.environment=awesome
- app.tag=${DRONE_TAG/v/}
- app.commit=${DRONE_COMMIT_SHA}Role Based EKS Access Example:
- name: deploy app
image: bitsbeats/drone-helm3
environment:
AWS_DEFAULT_REGION: us-east-1
settings:
kube_api_server: kube.example.com
eks_cluster: my-eks-cluster
eks_role_arn: arn:aws:iam::[ACCOUNT ID HERE]:role/[ROLE HERE]
chart: ./path-to/chart
release: release-name
namespace: namespace-name
timeout: 20m
helm_repos:
- bitnami=https://charts.bitnami.com/bitnami
envsubst: true
values:
- app.environment=awesome
- app.tag=${DRONE_TAG/v/}
- app.commit=${DRONE_COMMIT_SHA}Note:
Depending on your setup you might also need to pass AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY to the environment.
Its possible to monitor your builds and rollbacks using prometheus and
prometheus-pushgateway. To enable specify the pushgateway_url setting.
Example alertrule:
- alert: Helm3RolloutFailed
expr: |
drone_helm3_build_status{status!="success"}
labels:
severity: critical
annotations:
summary: >-
Helm3 was unable to deploy {{ $labels.repo }} as
{{ $labels.release }} into namespace {{ $labels.namespace }}
action: >-
Validate the `deploy` step of the last drone ci run for this
repository. Either the build has *failed entirely* or the
`helm test` did fail. For more information on tests see
https://github.com/bitsbeats/drone-helm3/#monitoring
Helm tests are special Pods that have the "helm.sh/hook": test annotation set.
If the command in the docker container returns an exitcode > 0 the drone step
will be marked as failed. See the Helm documentation.
In addition you can set the test_rollback setting to run helm rollback if
the tests fail.
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