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[feature] do not re-apply blue deployment manifests #57

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Merged
fedemaleh merged 2 commits into from
Sep 25, 2025
Merged

[feature] do not re-apply blue deployment manifests #57

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929953e
[feature] do not re-apply blue deployment manifests
fedemaleh Sep 25, 2025
3a40110
[feature] use the same step name for retro-compatibility
fedemaleh Sep 25, 2025
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4 changes: 3 additions & 1 deletion k8s/deployment/build_context
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,9 @@ SWITCH_TRAFFIC=$(echo "$CONTEXT" | jq -r ".deployment.strategy_data.desired_swit
MIN_REPLICAS=$(echo "scale=10; $REPLICAS / 10" | bc)
MIN_REPLICAS=$(echo "$MIN_REPLICAS" | awk '{printf "%d", ($1 == int($1) ? $1 : int($1)+1)}')

if [ "$DEPLOY_STRATEGY" = "rolling" ]; then
DEPLOYMENT_STATUS=$(echo $CONTEXT | jq -r ".deployment.status")

if [ "$DEPLOY_STRATEGY" = "rolling" ] && [ "$DEPLOYMENT_STATUS" = "running" ]; then
GREEN_REPLICAS=$(echo "scale=10; ($GREEN_REPLICAS * $SWITCH_TRAFFIC) / 100" | bc)
GREEN_REPLICAS=$(echo "$GREEN_REPLICAS" | awk '{printf "%d", ($1 == int($1) ? $1 : int($1)+1)}')

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17 changes: 17 additions & 0 deletions k8s/deployment/scale_deployments
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@@ -0,0 +1,17 @@
#!/bin/bash

GREEN_REPLICAS=$(echo "$CONTEXT" | jq -r .green_replicas)
GREEN_DEPLOYMENT_ID=$DEPLOYMENT_ID

BLUE_REPLICAS=$(echo "$CONTEXT" | jq -r .blue_replicas)
BLUE_DEPLOYMENT_ID=$(echo "$CONTEXT" | jq .scope.current_active_deployment -r)

if [ "$DEPLOY_STRATEGY" = "rolling" ]; then
GREEN_DEPLOYMENT_NAME="d-$SCOPE_ID-$GREEN_DEPLOYMENT_ID"

kubectl scale deployment "$GREEN_DEPLOYMENT_NAME" -n "$K8S_NAMESPACE" --replicas="$GREEN_REPLICAS"

BLUE_DEPLOYMENT_NAME="d-$SCOPE_ID-$BLUE_DEPLOYMENT_ID"

kubectl scale deployment "$BLUE_DEPLOYMENT_NAME" -n "$K8S_NAMESPACE" --replicas="$BLUE_REPLICAS"
fi
22 changes: 8 additions & 14 deletions k8s/deployment/workflows/blue_green.yaml
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Expand Up @@ -5,18 +5,12 @@ configuration:
steps:
- name: update blue deployment
type: script
file: "$SERVICE_PATH/deployment/build_blue_deployment"
file: "$SERVICE_PATH/deployment/scale_deployments"
after: create deployment
output:
- name: DEPLOYMENT_PATH
type: file
file: "$OUTPUT_DIR/deployment-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SECRET_PATH
type: file
file: "$OUTPUT_DIR/secret-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SCALING_PATH
type: file
file: "$OUTPUT_DIR/scaling-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SERVICE_TEMPLATE_PATH
type: file
file: "$OUTPUT_DIR/service-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
post:
name: wait deployment active
type: script
file: "$SERVICE_PATH/deployment/wait_blue_deployment_active"
configuration:
TIMEOUT: DEPLOYMENT_MAX_WAIT_IN_SECONDS
SKIP_DEPLOYMENT_STATUS_CHECK: true
23 changes: 1 addition & 22 deletions k8s/deployment/workflows/finalize.yaml
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Expand Up @@ -21,35 +21,14 @@ steps:
type: environment
- name: build green deployment
type: script
file: "$SERVICE_PATH/deployment/build_deployment"
configuration:
DESIRED_TRAFFIC: 100
output:
- name: DEPLOYMENT_PATH
type: file
file: "$OUTPUT_DIR/deployment-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: SECRET_PATH
type: file
file: "$OUTPUT_DIR/secret-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: SCALING_PATH
type: file
file: "$OUTPUT_DIR/scaling-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: SERVICE_TEMPLATE_PATH
type: file
file: "$OUTPUT_DIR/service-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: create green deployment
type: script
file: "$SERVICE_PATH/apply_templates"
file: "$SERVICE_PATH/deployment/scale_deployments"
post:
name: wait deployment active
type: script
file: "$SERVICE_PATH/deployment/wait_deployment_active"
configuration:
TIMEOUT: DEPLOYMENT_MAX_WAIT_IN_SECONDS
SKIP_DEPLOYMENT_STATUS_CHECK: true
configuration:
ACTION: apply
DRY_RUN: false
- name: route traffic
type: script
file: "$SERVICE_PATH/deployment/networking/gateway/route_traffic"
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23 changes: 1 addition & 22 deletions k8s/deployment/workflows/rollback.yaml
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Expand Up @@ -21,35 +21,14 @@ steps:
type: environment
- name: update blue deployment
type: script
file: "$SERVICE_PATH/deployment/build_blue_deployment"
configuration:
DESIRED_TRAFFIC: 100
output:
- name: DEPLOYMENT_PATH
type: file
file: "$OUTPUT_DIR/deployment-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SECRET_PATH
type: file
file: "$OUTPUT_DIR/secret-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SCALING_PATH
type: file
file: "$OUTPUT_DIR/scaling-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SERVICE_TEMPLATE_PATH
type: file
file: "$OUTPUT_DIR/service-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: create blue deployment
type: script
file: "$SERVICE_PATH/apply_templates"
file: "$SERVICE_PATH/deployment/scale_deployments"
post:
name: wait deployment active
type: script
file: "$SERVICE_PATH/deployment/wait_blue_deployment_active"
configuration:
TIMEOUT: DEPLOYMENT_MAX_WAIT_IN_SECONDS
SKIP_DEPLOYMENT_STATUS_CHECK: true
configuration:
ACTION: apply
DRY_RUN: false
- name: rollback traffic
type: script
file: "$SERVICE_PATH/deployment/networking/gateway/rollback_traffic"
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43 changes: 9 additions & 34 deletions k8s/deployment/workflows/switch_traffic.yaml
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Expand Up @@ -21,26 +21,7 @@ steps:
type: environment
- name: create deployment
type: script
file: "$SERVICE_PATH/deployment/build_deployment"
output:
- name: DEPLOYMENT_PATH
type: file
file: "$OUTPUT_DIR/deployment-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: SECRET_PATH
type: file
file: "$OUTPUT_DIR/secret-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: SCALING_PATH
type: file
file: "$OUTPUT_DIR/scaling-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: SERVICE_TEMPLATE_PATH
type: file
file: "$OUTPUT_DIR/service-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: apply
type: script
file: "$SERVICE_PATH/apply_templates"
configuration:
ACTION: apply
DRY_RUN: false
file: "$SERVICE_PATH/deployment/scale_deployments"
post:
name: wait deployment active
type: script
Expand All @@ -59,20 +40,14 @@ steps:
file: "$OUTPUT_DIR/ingress-$SCOPE_ID-$DEPLOYMENT_ID.yaml"
- name: update blue deployment
type: script
file: "$SERVICE_PATH/deployment/build_blue_deployment"
output:
- name: DEPLOYMENT_PATH
type: file
file: "$OUTPUT_DIR/deployment-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SECRET_PATH
type: file
file: "$OUTPUT_DIR/secret-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SCALING_PATH
type: file
file: "$OUTPUT_DIR/scaling-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
- name: SERVICE_TEMPLATE_PATH
type: file
file: "$OUTPUT_DIR/service-$SCOPE_ID-$BLUE_DEPLOYMENT_ID.yaml"
file: "$SERVICE_PATH/deployment/scale_deployments"
post:
name: wait deployment active
type: script
file: "$SERVICE_PATH/deployment/wait_blue_deployment_active"
configuration:
TIMEOUT: DEPLOYMENT_MAX_WAIT_IN_SECONDS
SKIP_DEPLOYMENT_STATUS_CHECK: true
- name: apply traffic
type: script
file: "$SERVICE_PATH/apply_templates"
Expand Down