Move helper functions to single executable too (488d8c76) · Commits · public-projects / Auto Deploy Image

.gitlab-ci.yml

+4 −7

Original line number	Diff line number	Diff line
		@@ -72,14 +72,13 @@ test-deploy-name:
		GIT_STRATEGY: none
		CI_ENVIRONMENT_SLUG: production
		script:
		- source /build/deploy-helpers.sh
		- name=$(deploy_name "stable")
		- name=$(auto-deploy deploy_name "stable")
		- \|
		if [[ $name != "production" ]]; then
		echo "$name should equal 'production'"
		exit 1
		fi
		- name=$(deploy_name "canary")
		- name=$(auto-deploy deploy_name "canary")
		- \|
		if [[ $name != "production-canary" ]]; then
		echo "$name should equal 'production-canary'"
		@@ -92,8 +91,7 @@ test-get-replicas:
		GIT_STRATEGY: none
		CI_ENVIRONMENT_SLUG: production
		script:
		- source /build/deploy-helpers.sh
		- replicas=$(get_replicas "stable" "100")
		- replicas=$(auto-deploy get_replicas "stable" "100")
		- \|
		if [[ $replicas != 1 ]]; then
		echo "$replicas should equal 1"
		@@ -193,8 +191,7 @@ test-create-application-secret:
		script:
		- download_k3s
		- start_k3s
		- source /build/deploy-helpers.sh
		- create_application_secret "stable"
		- auto-deploy create_application_secret "stable"
		- kubectl get secrets -n $KUBE_NAMESPACE
		- kubectl get secrets production-secret -n $KUBE_NAMESPACE

src/bin/auto-deploy

+86 −0

Original line number	Diff line number	Diff line
		@@ -229,6 +229,89 @@ function delete() {
		kubectl delete secret --ignore-not-found -n "$KUBE_NAMESPACE" "$secret_name"
		}

		## Helper functions
		##

		# Extracts variables prefixed with K8S_SECRET_
		# and creates a Kubernetes secret.
		#
		# e.g. If we have the following environment variables:
		# K8S_SECRET_A=value1
		# K8S_SECRET_B=multi\ word\ value
		#
		# Then we will create a secret with the following key-value pairs:
		# data:
		# A: dmFsdWUxCg==
		# B: bXVsdGkgd29yZCB2YWx1ZQo=
		function create_application_secret() {
		track="${1-stable}"
		export APPLICATION_SECRET_NAME=$(application_secret_name "$track")

		env \| sed -n "s/^K8S_SECRET_$.*$$/\1/p" > k8s_prefixed_variables

		kubectl create secret \
		-n "$KUBE_NAMESPACE" generic "$APPLICATION_SECRET_NAME" \
		--from-env-file k8s_prefixed_variables -o yaml --dry-run \|
		kubectl replace -n "$KUBE_NAMESPACE" --force -f -

		export APPLICATION_SECRET_CHECKSUM=$(cat k8s_prefixed_variables \| sha256sum \| cut -d ' ' -f 1)

		rm k8s_prefixed_variables
		}

		function application_secret_name() {
		track="${1-stable}"
		name=$(deploy_name "$track")

		echo "${name}-secret"
		}

		function deploy_name() {
		name="$CI_ENVIRONMENT_SLUG"
		track="${1-stable}"

		if [[ "$track" != "stable" ]]; then
		name="$name-$track"
		fi

		echo $name
		}

		function get_replicas() {
		track="${1:-stable}"
		percentage="${2:-100}"

		env_track=$( echo $track \| tr -s '[:lower:]' '[:upper:]' )
		env_slug=$( echo ${CI_ENVIRONMENT_SLUG//-/_} \| tr -s '[:lower:]' '[:upper:]' )

		if [[ "$track" == "stable" ]] \|\| [[ "$track" == "rollout" ]]; then
		# for stable track get number of replicas from `PRODUCTION_REPLICAS`
		eval new_replicas=\$${env_slug}_REPLICAS
		if [[ -z "$new_replicas" ]]; then
		new_replicas=$REPLICAS
		fi
		else
		# for all tracks get number of replicas from `CANARY_PRODUCTION_REPLICAS`
		eval new_replicas=\$${env_track}_${env_slug}_REPLICAS
		if [[ -z "$new_replicas" ]]; then
		eval new_replicas=\${env_track}_REPLICAS
		fi
		fi

		replicas="${new_replicas:-1}"
		replicas="$(($replicas * $percentage / 100))"

		# always return at least one replicas
		if [[ $replicas -gt 0 ]]; then
		echo "$replicas"
		else
		echo 1
		fi
		}

		##
		## End Helper functions

		option=$1
		case $option
		in
		@@ -241,5 +324,8 @@ in
		deploy) deploy "${@:2}" ;;
		scale) scale "${@:2}" ;;
		delete) delete "${@:2}" ;;
		create_application_secret) create_application_secret "${@:2}" ;;
		deploy_name) deploy_name "${@:2}" ;;
		get_replicas) get_replicas "${@:2}" ;;
		*) exit 1 ;;
		esac

src/deploy-helpers.sh

deleted100755 → 0

+0 −79

Original line number	Diff line number	Diff line
		#! /bin/sh
		## Helper functions

		# Extracts variables prefixed with K8S_SECRET_
		# and creates a Kubernetes secret.
		#
		# e.g. If we have the following environment variables:
		# K8S_SECRET_A=value1
		# K8S_SECRET_B=multi\ word\ value
		#
		# Then we will create a secret with the following key-value pairs:
		# data:
		# A: dmFsdWUxCg==
		# B: bXVsdGkgd29yZCB2YWx1ZQo=
		function create_application_secret() {
		track="${1-stable}"
		export APPLICATION_SECRET_NAME=$(application_secret_name "$track")

		env \| sed -n "s/^K8S_SECRET_$.*$$/\1/p" > k8s_prefixed_variables

		kubectl create secret \
		-n "$KUBE_NAMESPACE" generic "$APPLICATION_SECRET_NAME" \
		--from-env-file k8s_prefixed_variables -o yaml --dry-run \|
		kubectl replace -n "$KUBE_NAMESPACE" --force -f -

		export APPLICATION_SECRET_CHECKSUM=$(cat k8s_prefixed_variables \| sha256sum \| cut -d ' ' -f 1)

		rm k8s_prefixed_variables
		}

		function application_secret_name() {
		track="${1-stable}"
		name=$(deploy_name "$track")

		echo "${name}-secret"
		}

		function deploy_name() {
		name="$CI_ENVIRONMENT_SLUG"
		track="${1-stable}"

		if [[ "$track" != "stable" ]]; then
		name="$name-$track"
		fi

		echo $name
		}

		function get_replicas() {
		track="${1:-stable}"
		percentage="${2:-100}"

		env_track=$( echo $track \| tr -s '[:lower:]' '[:upper:]' )
		env_slug=$( echo ${CI_ENVIRONMENT_SLUG//-/_} \| tr -s '[:lower:]' '[:upper:]' )

		if [[ "$track" == "stable" ]] \|\| [[ "$track" == "rollout" ]]; then
		# for stable track get number of replicas from `PRODUCTION_REPLICAS`
		eval new_replicas=\$${env_slug}_REPLICAS
		if [[ -z "$new_replicas" ]]; then
		new_replicas=$REPLICAS
		fi
		else
		# for all tracks get number of replicas from `CANARY_PRODUCTION_REPLICAS`
		eval new_replicas=\$${env_track}_${env_slug}_REPLICAS
		if [[ -z "$new_replicas" ]]; then
		eval new_replicas=\${env_track}_REPLICAS
		fi
		fi

		replicas="${new_replicas:-1}"
		replicas="$(($replicas * $percentage / 100))"

		# always return at least one replicas
		if [[ $replicas -gt 0 ]]; then
		echo "$replicas"
		else
		echo 1
		fi
		}