feat: support dynamic env url (6e6dd777) · Commits · to be continuous... / Helm

README.md

+13 −12

Original line number	Diff line number	Diff line
		@@ -61,9 +61,10 @@ The Helm template uses some global configuration used throughout all jobs.
		\| Name \| description \| default value \|
		\| --------------------- \| -------------------------------------- \| ----------------- \|
		\| `HELM_CLI_IMAGE` \| The Docker image used to run Helm <br/>:warning: set the version required by your Kubernetes server \| `alpine/helm:latest` \|
		\| `HELM_CHART_DIR` \| The folder in which is stored the Helm chart \| `.` \|
		\| `HELM_CHART_DIR` \| The folder where the Helm chart is located \| `.` _(root project dir)_ \|
		\| `HELM_SCRIPTS_DIR` \| The folder where hook scripts are located \| `.` _(root project dir)_ \|
		\| `HELM_COMMON_VALUES` \| Common values file (used for all environments, overridden by specific per-env values files) \| undefined (none) \|
		\| `HELM_ENV_VALUE_NAME` \| The environment type variable set to helm \| `env` \|
		\| `HELM_ENV_VALUE_NAME` \| The environment type variable set to helm \| `environment_type` \|
		\| `HELM_HOSTNAME_VALUE_NAME` \| The hostname variable set to helm \| `hostname` \|

		### Charts publishing
		@@ -90,12 +91,12 @@ Common variables for `helm-package` and `helm-pusblish`:

		Here are some advices about your secrets (variables marked with a :lock:):

		1. Manage them as [project or group CI/CD variables](https://docs.gitlab.com/ee/ci/variables/#create-a-custom-variable-in-the-ui):
		* [masked](https://docs.gitlab.com/ee/ci/variables/#mask-a-custom-variable) to prevent them from being inadvertently
		1. Manage them as [project or group CI/CD variables](https://docs.gitlab.com/ee/ci/variables/#add-a-cicd-variable-to-a-project):
		* [masked](https://docs.gitlab.com/ee/ci/variables/#mask-a-cicd-variable) to prevent them from being inadvertently
		displayed in your job logs,
		* [protected](https://docs.gitlab.com/ee/ci/variables/#protect-a-custom-variable) if you want to secure some secrets
		* [protected](https://docs.gitlab.com/ee/ci/variables/#protected-cicd-variables) if you want to secure some secrets
		you don't want everyone in the project to have access to (for instance production secrets).
		2. In case a secret contains [characters that prevent it from being masked](https://docs.gitlab.com/ee/ci/variables/#masked-variable-requirements),
		2. In case a secret contains [characters that prevent it from being masked](https://docs.gitlab.com/ee/ci/variables/#mask-a-cicd-variable),
		simply define its value as the [Base64](https://en.wikipedia.org/wiki/Base64) encoded value prefixed with `@b64@`:
		it will then be possible to mask it and the template will automatically decode it prior to using it.
		3. Don't forget to escape special characters (ex: `$` -> `$$`).
		@@ -123,6 +124,7 @@ Here are global configuration variables for deploy jobs.
		\| `HELM_DEPLOY_CHART` \| The Helm [chart](https://helm.sh/docs/topics/charts/) to deploy. _Only required if you want to deploy an external chart._ \| _none_ \|
		\| `HELM_REPOS` \| The Helm [chart repositories](https://helm.sh/docs/topics/chart_repository/) to use (formatted as `repo_name_1@:repo_url_1 repo_name_2@:repo_url_2 ...`) \| `stable@https://charts.helm.sh/stable bitnami@https://charts.bitnami.com/bitnami` \|
		\| `HELM_BASE_APP_NAME` \| Base application name \| `$CI_PROJECT_NAME` ([see GitLab doc](https://docs.gitlab.com/ee/ci/variables/predefined_variables.html)) \|
		\| `HELM_ENVIRONMENT_URL` \| Default environments url _(only define for static environment URLs declaration)_<br/>_supports late variable expansion (ex: `https://%{environment_name}.helm.acme.com`)_ \| _none_ \|

		Each deployment job produces _output variables_ that are propagated to downstream jobs (using [dotenv artifacts](https://docs.gitlab.com/ee/ci/pipelines/job_artifacts.html#artifactsreportsdotenv)):

		@@ -146,11 +148,10 @@ Here are variables supported to configure review environments:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_REVIEW_DISABLED` \| Set to `true` to disable `review` env \| _none_ (enabled) \|
		\| `HELM_REVIEW_APP_NAME` \| Application name for `review` env \| `"${HELM_BASE_APP_NAME}-${CI_ENVIRONMENT_SLUG}"` (ex: `myproject-review-fix-bug-12`) \|
		\| `HELM_REVIEW_ENVIRONMENT_URL`\| The review environments url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_REVIEW_NAMESPACE` \| The Kubernetes namespace to use for `review` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_REVIEW_KUBE_CONFIG` \| kubeconfig content used for `review` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `HELM_REVIEW_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with `review` environments \| _none_ \|
		\| `HELM_REVIEW_ENVIRONMENT_SCHEME` \| The review environment protocol scheme \| `https` \|
		\| `HELM_REVIEW_ENVIRONMENT_DOMAIN` \| The review environment domain \| _none_ \|

		#### Integration environment

		@@ -164,10 +165,10 @@ Here are variables supported to configure the integration environment:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_INTEG_DISABLED` \| Set to `true` to disable `integration` env \| _none_ (enabled) \|
		\| `HELM_INTEG_APP_NAME` \| Application name for `integration` env \| `$HELM_BASE_APP_NAME-integration` \|
		\| `HELM_INTEG_ENVIRONMENT_URL`\| The integration environment url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_INTEG_NAMESPACE` \| The Kubernetes namespace to use for `integration` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_INTEG_KUBE_CONFIG` \| kubeconfig content used for `integration` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `HELM_INTEG_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with the `integration` environment \| _none_ \|
		\| `HELM_INTEG_ENVIRONMENT_URL` \| The integration environment url including scheme (ex: `https://my-application-integration.nonpublic.k8s.domain.com`). Do not use variable inside variable definition as it will result in a two level cascade variable and gitlab does not allow that. \| _none_ \|

		#### Staging environment

		@@ -181,10 +182,10 @@ Here are variables supported to configure the staging environment:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_STAGING_DISABLED` \| Set to `true` to disable `staging` env \| _none_ (enabled) \|
		\| `HELM_STAGING_APP_NAME` \| Application name for `staging` env \| `$HELM_BASE_APP_NAME-staging` \|
		\| `HELM_STAGING_ENVIRONMENT_URL`\| The staging environment url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_STAGING_NAMESPACE` \| The Kubernetes namespace to use for `staging` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_STAGING_KUBE_CONFIG` \| kubeconfig content used for `staging` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `HELM_STAGING_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with the staging environment \| _none_ \|
		\| `HELM_STAGING_ENVIRONMENT_URL` \| The staging environment url including scheme (ex: `https://my-application-staging.nonpublic.k8s.domain.com`). Do not use variable inside variable definition as it will result in a two level cascade variable and gitlab does not allow that. \| _none_ \|

		#### Production environment

		@@ -198,11 +199,11 @@ Here are variables supported to configure the production environment:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_PROD_DISABLED` \| Set to `true` to disable `production` env \| _none_ (enabled) \|
		\| `HELM_PROD_APP_NAME` \| Application name for `production` env \| `$HELM_BASE_APP_NAME` \|
		\| `HELM_PROD_ENVIRONMENT_URL`\| The production environment url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_PROD_NAMESPACE` \| The Kubernetes namespace to use for `production` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_PROD_KUBE_CONFIG` \| kubeconfig content used for `production` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `AUTODEPLOY_TO_PROD` \| Set this variable to auto-deploy to production. If not set deployment to production will be `manual` (default behaviour). \| _none_ (disabled) \|
		\| `HELM_PROD_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with the production environment \| _none_ \|
		\| `HELM_PROD_ENVIRONMENT_URL` \| The production environment url including scheme (ex: `https://my-application.public.k8s.domain.com`) Do not use variable inside variable definition as it will result in a two level cascade variable and gitlab does not allow that. \| _none_ \|

		#### Dynamic Values and Variables

		@@ -215,7 +216,7 @@ In order to be able to implement some genericity in your scripts and templat

		1. you should use generic [values](https://helm.sh/docs/chart_best_practices/values/) dynamically set and passed by the template:

		* `$HELM_ENV_VALUE_NAME` (set by default to `env`): the environment type (`review`, `integration`, `staging` or `production`)
		* `$HELM_ENV_VALUE_NAME` (set by default to `environment_type`): the environment type (`review`, `integration`, `staging` or `production`)
		* `$HELM_HOSTNAME_VALUE_NAME` (set by default to `hostname`): the environment hostname, extracted from `${CI_ENVIRONMENT_URL}` (got from [`environment:url`](https://docs.gitlab.com/ee/ci/yaml/#environmenturl) - see `OS_REVIEW_ENVIRONMENT_SCHEME`, `OS_REVIEW_ENVIRONMENT_DOMAIN`, `OS_STAGING_ENVIRONMENT_URL` and `OS_PROD_ENVIRONMENT_URL`)

		2. you should use available environment variables:

kicker.json

+38 −4

Original line number	Diff line number	Diff line
		@@ -11,7 +11,12 @@
		},
		{
		"name": "HELM_CHART_DIR",
		"description": "The folder in which is stored the Helm chart",
		"description": "The folder where the Helm chart is located",
		"default": "."
		},
		{
		"name": "HELM_SCRIPTS_DIR",
		"description": "The folder where hook scripts are located",
		"default": "."
		},
		{
		@@ -43,6 +48,11 @@
		"default": "$CI_PROJECT_NAME",
		"advanced": true
		},
		{
		"name": "HELM_ENVIRONMENT_URL",
		"type": "url",
		"description": "The default environments url _(only define for static environment URLs declaration)_\n\n_supports late variable expansion (ex: `https://%{environment_name}.helm.acme.com`)_"
		},
		{
		"name": "HELM_DEPLOY_ARGS",
		"description": "The Helm [command with options](https://helm.sh/docs/helm/helm_upgrade/) to deploy the application (_without dynamic arguments such as release name and chart_)",
		@@ -63,13 +73,13 @@
		},
		{
		"name": "HELM_ENV_VALUE_NAME",
		"description": "The environment type variable set to helm",
		"default": "env",
		"description": "The environment type variable set to Helm",
		"default": "environment_type",
		"advanced": true
		},
		{
		"name": "HELM_HOSTNAME_VALUE_NAME",
		"description": "The hostname variable set to helm",
		"description": "The hostname variable set to Helm",
		"default": "hostname",
		"advanced": true
		},
		@@ -257,6 +267,12 @@
		"default": "${HELM_BASE_APP_NAME}-${CI_ENVIRONMENT_SLUG}",
		"advanced": true
		},
		{
		"name": "HELM_REVIEW_ENVIRONMENT_URL",
		"type": "url",
		"description": "The review environments url _(only define for static environment URLs declaration and if different from default)_",
		"advanced": true
		},
		{
		"name": "HELM_REVIEW_VALUES",
		"description": "The Values file to use with `review` environment"
		@@ -288,6 +304,12 @@
		"default": "${HELM_BASE_APP_NAME}-integration",
		"advanced": true
		},
		{
		"name": "HELM_INTEG_ENVIRONMENT_URL",
		"type": "url",
		"description": "The integration environment url _(only define for static environment URLs declaration and if different from default)_",
		"advanced": true
		},
		{
		"name": "HELM_INTEG_VALUES",
		"description": "The Values file to use with `integration` environment"
		@@ -319,6 +341,12 @@
		"default": "${HELM_BASE_APP_NAME}-staging",
		"advanced": true
		},
		{
		"name": "HELM_STAGING_ENVIRONMENT_URL",
		"type": "url",
		"description": "The staging environment url _(only define for static environment URLs declaration and if different from default)_",
		"advanced": true
		},
		{
		"name": "HELM_STAGING_VALUES",
		"description": "The Values file to use with `staging` environment"
		@@ -355,6 +383,12 @@
		"default": "${HELM_BASE_APP_NAME}",
		"advanced": true
		},
		{
		"name": "HELM_PROD_ENVIRONMENT_URL",
		"type": "url",
		"description": "The production environment url _(only define for static environment URLs declaration and if different from default)_",
		"advanced": true
		},
		{
		"name": "HELM_PROD_VALUES",
		"description": "The Values file to use with `production` environment"

templates/gitlab-ci-helm.yml

+98 −30

File changed.

Preview size limit exceeded, changes collapsed.

Original line number	Diff line number	Diff line
		@@ -61,9 +61,10 @@ The Helm template uses some global configuration used throughout all jobs.
		\| Name \| description \| default value \|
		\| --------------------- \| -------------------------------------- \| ----------------- \|
		\| `HELM_CLI_IMAGE` \| The Docker image used to run Helm <br/>:warning: set the version required by your Kubernetes server \| `alpine/helm:latest` \|
		\| `HELM_CHART_DIR` \| The folder in which is stored the Helm chart \| `.` \|
		\| `HELM_CHART_DIR` \| The folder where the Helm chart is located \| `.` _(root project dir)_ \|
		\| `HELM_SCRIPTS_DIR` \| The folder where hook scripts are located \| `.` _(root project dir)_ \|
		\| `HELM_COMMON_VALUES` \| Common values file (used for all environments, overridden by specific per-env values files) \| undefined (none) \|
		\| `HELM_ENV_VALUE_NAME` \| The environment type variable set to helm \| `env` \|
		\| `HELM_ENV_VALUE_NAME` \| The environment type variable set to helm \| `environment_type` \|
		\| `HELM_HOSTNAME_VALUE_NAME` \| The hostname variable set to helm \| `hostname` \|

		### Charts publishing
		@@ -90,12 +91,12 @@ Common variables for `helm-package` and `helm-pusblish`:

		Here are some advices about your secrets (variables marked with a :lock:):

		1. Manage them as [project or group CI/CD variables](https://docs.gitlab.com/ee/ci/variables/#create-a-custom-variable-in-the-ui):
		* [masked](https://docs.gitlab.com/ee/ci/variables/#mask-a-custom-variable) to prevent them from being inadvertently
		1. Manage them as [project or group CI/CD variables](https://docs.gitlab.com/ee/ci/variables/#add-a-cicd-variable-to-a-project):
		* [masked](https://docs.gitlab.com/ee/ci/variables/#mask-a-cicd-variable) to prevent them from being inadvertently
		displayed in your job logs,
		* [protected](https://docs.gitlab.com/ee/ci/variables/#protect-a-custom-variable) if you want to secure some secrets
		* [protected](https://docs.gitlab.com/ee/ci/variables/#protected-cicd-variables) if you want to secure some secrets
		you don't want everyone in the project to have access to (for instance production secrets).
		2. In case a secret contains [characters that prevent it from being masked](https://docs.gitlab.com/ee/ci/variables/#masked-variable-requirements),
		2. In case a secret contains [characters that prevent it from being masked](https://docs.gitlab.com/ee/ci/variables/#mask-a-cicd-variable),
		simply define its value as the [Base64](https://en.wikipedia.org/wiki/Base64) encoded value prefixed with `@b64@`:
		it will then be possible to mask it and the template will automatically decode it prior to using it.
		3. Don't forget to escape special characters (ex: `$` -> `$$`).
		@@ -123,6 +124,7 @@ Here are global configuration variables for deploy jobs.
		\| `HELM_DEPLOY_CHART` \| The Helm [chart](https://helm.sh/docs/topics/charts/) to deploy. _Only required if you want to deploy an external chart._ \| _none_ \|
		\| `HELM_REPOS` \| The Helm [chart repositories](https://helm.sh/docs/topics/chart_repository/) to use (formatted as `repo_name_1@:repo_url_1 repo_name_2@:repo_url_2 ...`) \| `stable@https://charts.helm.sh/stable bitnami@https://charts.bitnami.com/bitnami` \|
		\| `HELM_BASE_APP_NAME` \| Base application name \| `$CI_PROJECT_NAME` ([see GitLab doc](https://docs.gitlab.com/ee/ci/variables/predefined_variables.html)) \|
		\| `HELM_ENVIRONMENT_URL` \| Default environments url _(only define for static environment URLs declaration)_<br/>_supports late variable expansion (ex: `https://%{environment_name}.helm.acme.com`)_ \| _none_ \|

		Each deployment job produces _output variables_ that are propagated to downstream jobs (using [dotenv artifacts](https://docs.gitlab.com/ee/ci/pipelines/job_artifacts.html#artifactsreportsdotenv)):

		@@ -146,11 +148,10 @@ Here are variables supported to configure review environments:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_REVIEW_DISABLED` \| Set to `true` to disable `review` env \| _none_ (enabled) \|
		\| `HELM_REVIEW_APP_NAME` \| Application name for `review` env \| `"${HELM_BASE_APP_NAME}-${CI_ENVIRONMENT_SLUG}"` (ex: `myproject-review-fix-bug-12`) \|
		\| `HELM_REVIEW_ENVIRONMENT_URL`\| The review environments url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_REVIEW_NAMESPACE` \| The Kubernetes namespace to use for `review` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_REVIEW_KUBE_CONFIG` \| kubeconfig content used for `review` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `HELM_REVIEW_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with `review` environments \| _none_ \|
		\| `HELM_REVIEW_ENVIRONMENT_SCHEME` \| The review environment protocol scheme \| `https` \|
		\| `HELM_REVIEW_ENVIRONMENT_DOMAIN` \| The review environment domain \| _none_ \|

		#### Integration environment

		@@ -164,10 +165,10 @@ Here are variables supported to configure the integration environment:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_INTEG_DISABLED` \| Set to `true` to disable `integration` env \| _none_ (enabled) \|
		\| `HELM_INTEG_APP_NAME` \| Application name for `integration` env \| `$HELM_BASE_APP_NAME-integration` \|
		\| `HELM_INTEG_ENVIRONMENT_URL`\| The integration environment url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_INTEG_NAMESPACE` \| The Kubernetes namespace to use for `integration` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_INTEG_KUBE_CONFIG` \| kubeconfig content used for `integration` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `HELM_INTEG_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with the `integration` environment \| _none_ \|
		\| `HELM_INTEG_ENVIRONMENT_URL` \| The integration environment url including scheme (ex: `https://my-application-integration.nonpublic.k8s.domain.com`). Do not use variable inside variable definition as it will result in a two level cascade variable and gitlab does not allow that. \| _none_ \|

		#### Staging environment

		@@ -181,10 +182,10 @@ Here are variables supported to configure the staging environment:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_STAGING_DISABLED` \| Set to `true` to disable `staging` env \| _none_ (enabled) \|
		\| `HELM_STAGING_APP_NAME` \| Application name for `staging` env \| `$HELM_BASE_APP_NAME-staging` \|
		\| `HELM_STAGING_ENVIRONMENT_URL`\| The staging environment url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_STAGING_NAMESPACE` \| The Kubernetes namespace to use for `staging` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_STAGING_KUBE_CONFIG` \| kubeconfig content used for `staging` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `HELM_STAGING_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with the staging environment \| _none_ \|
		\| `HELM_STAGING_ENVIRONMENT_URL` \| The staging environment url including scheme (ex: `https://my-application-staging.nonpublic.k8s.domain.com`). Do not use variable inside variable definition as it will result in a two level cascade variable and gitlab does not allow that. \| _none_ \|

		#### Production environment

		@@ -198,11 +199,11 @@ Here are variables supported to configure the production environment:
		\| ------------------------ \| -------------------------------------- \| ----------------- \|
		\| `HELM_PROD_DISABLED` \| Set to `true` to disable `production` env \| _none_ (enabled) \|
		\| `HELM_PROD_APP_NAME` \| Application name for `production` env \| `$HELM_BASE_APP_NAME` \|
		\| `HELM_PROD_ENVIRONMENT_URL`\| The production environment url _(only define for static environment URLs declaration and if different from default)_ \| `$HELM_ENVIRONMENT_URL` \|
		\| `HELM_PROD_NAMESPACE` \| The Kubernetes namespace to use for `production` env _(only define to override default)_ \| `$KUBE_NAMESPACE` \|
		\| :lock: `HELM_PROD_KUBE_CONFIG` \| kubeconfig content used for `production` env _(only define to override default)_ \| `$HELM_DEFAULT_KUBE_CONFIG` \|
		\| `AUTODEPLOY_TO_PROD` \| Set this variable to auto-deploy to production. If not set deployment to production will be `manual` (default behaviour). \| _none_ (disabled) \|
		\| `HELM_PROD_VALUES` \| The [Values file](https://helm.sh/docs/chart_template_guide/values_files/) to use with the production environment \| _none_ \|
		\| `HELM_PROD_ENVIRONMENT_URL` \| The production environment url including scheme (ex: `https://my-application.public.k8s.domain.com`) Do not use variable inside variable definition as it will result in a two level cascade variable and gitlab does not allow that. \| _none_ \|

		#### Dynamic Values and Variables

		@@ -215,7 +216,7 @@ In order to be able to implement some genericity in your scripts and templat

		1. you should use generic [values](https://helm.sh/docs/chart_best_practices/values/) dynamically set and passed by the template:

		* `$HELM_ENV_VALUE_NAME` (set by default to `env`): the environment type (`review`, `integration`, `staging` or `production`)
		* `$HELM_ENV_VALUE_NAME` (set by default to `environment_type`): the environment type (`review`, `integration`, `staging` or `production`)
		* `$HELM_HOSTNAME_VALUE_NAME` (set by default to `hostname`): the environment hostname, extracted from `${CI_ENVIRONMENT_URL}` (got from [`environment:url`](https://docs.gitlab.com/ee/ci/yaml/#environmenturl) - see `OS_REVIEW_ENVIRONMENT_SCHEME`, `OS_REVIEW_ENVIRONMENT_DOMAIN`, `OS_STAGING_ENVIRONMENT_URL` and `OS_PROD_ENVIRONMENT_URL`)

		2. you should use available environment variables: