85 lines
3.4 KiB
Bash
85 lines
3.4 KiB
Bash
#!/usr/bin/env bash
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set -e
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shopt -s extglob
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HELM_BIN="$(pwd)/TMPL_helm_bin"
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YQ_BIN="$(pwd)/TMPL_yq_bin"
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NAME="TMPL_name"
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staging_dir="TMPL_staging_dir"
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image_name="TMPL_image_name"
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tarball_file_path="$(pwd)/TMPL_tarball_file_path"
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IFS=';' read -ra stamp_files <<< "TMPL_stamp_files"
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# Find STABLE_BUILD_TAG, STABLE_OCI_REGISTRY, STABLE_OCI_REGISTRY_REPO, STABLE_OCI_REGISTRY_NO_NESTED_SUPPORT_IN_2022_SHAME_ON_YOU_AWS and make it available to the script.
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vars=("STABLE_BUILD_TAG" "STABLE_OCI_REGISTRY" "STABLE_OCI_REGISTRY_REPO" "STABLE_OCI_REGISTRY_NO_NESTED_SUPPORT_IN_2022_SHAME_ON_YOU_AWS")
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for stamp in "${stamp_files[@]}"; do
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for var in "${vars[@]}"; do
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if grep -q "${var} " "${stamp}"; then
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export "${var}"="$(grep "${var} " "${stamp}" | cut -d ' ' -f 2 | tr -d '\n')"
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fi
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done
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done
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helm_repo="${STABLE_OCI_REGISTRY}/${STABLE_OCI_REGISTRY_REPO}/$image_name"
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helm_tag="${STABLE_BUILD_TAG}"
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if [[ "${STABLE_OCI_REGISTRY_NO_NESTED_SUPPORT_IN_2022_SHAME_ON_YOU_AWS}" == "true" ]]; then
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helm_repo="${STABLE_OCI_REGISTRY}/${STABLE_OCI_REGISTRY_REPO}"
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helm_tag="${image_name}-${STABLE_BUILD_TAG}"
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fi
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# Change to the staging directory
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cd $staging_dir || exit 1
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# This codebase will probably use resfdeploy so let's just rename the manifest
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# files to something that makes more sense for Helm
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move_deployment() {
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mv "$1" "deployment.yaml"
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helm_repo="$(grep "calculated-image:" deployment.yaml | cut -d '"' -f 2)"
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helm_tag="$(grep "calculated-tag:" deployment.yaml | cut -d '"' -f 2)"
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}
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f="helm-001-ns-sa.yaml"; test -f "$f" && mv "$f" "serviceaccount.yaml"
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f="helm-002-migrate.yaml"; test -f "$f" && mv "$f" "migrate.yaml"
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f="helm-003-deployment.yaml"; test -f "$f" && move_deployment "$f"
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f="helm-004-svc-vs-dr.yaml"; test -f "$f" && mv "$f" "service-ingress.yaml"
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# Move yaml files that isn't Chart.yaml or values.yaml to the templates directory
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mkdir -p templates
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mv !(Chart.yaml|values.yaml|templates|.helmignore) templates
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# Envsubst _helpers.tpl to fill in $NAME
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CHART_NAME="$($YQ_BIN '.name' Chart.yaml)"
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sed "s/{NAME}/$CHART_NAME/" templates/_helpers.tpl > templates/_helpers.tpl.new
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rm -f templates/_helpers.tpl
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mv templates/_helpers.tpl.new templates/_helpers.tpl
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# Since the stage variable is required, make it "known" in values.yaml
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chmod 777 values.yaml
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echo "# The stage variable should be set to correct environment during deployment" >> values.yaml
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echo "stage: prod" >> values.yaml
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# The database connection variables are standardized, add here and make it known
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# Only add the database variables for non-frontend charts
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# todo(mustafa): add a better way to determine this
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# tip: deploy.jsonnet already "knows" if a service requires a database or not
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if [[ "$CHART_NAME" != *-frontend ]]; then
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echo "# For database connection" >> values.yaml
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echo "# Set postgresqlHostPort if you use initdb" >> values.yaml
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echo "postgresqlHostPort: null" >> values.yaml
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echo "# Set databaseUrl if you don't use initdb" >> values.yaml
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echo "databaseUrl: null" >> values.yaml
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fi
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# Service account name can also be customized
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echo "# The service account name can be customized" >> values.yaml
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echo "serviceAccountName: null" >> values.yaml
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# Set default image values
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${YQ_BIN} -i '.image.repository = '"\"$helm_repo\"" values.yaml
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${YQ_BIN} -i '.image.tag = '"\"$helm_tag\"" values.yaml
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${YQ_BIN} -i '.replicas = 1' values.yaml
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# Helm package the chart
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${HELM_BIN} package . > /dev/null 2>&1
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mv ./*.tgz "$tarball_file_path"
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