ingress配置金絲雀發佈

灰度發佈

優先級：canary-by-header -> canary-by-cookie -> canary-weight

基於header：

# 配置
nginx.ingress.kubernetes.io/canary: "true"
nginx.ingress.kubernetes.io/canary-by-header: "canary"
# 訪問方式
curl -H "canary: always" http://xxxxxx	#都訪問carry
curl -H "canary: never" http://xxxxxxx	#都不訪問carry
curl -H "canary: lalaa" http://xxxxxxx	#請求其他 Canary 規則

# 配置
nginx.ingress.kubernetes.io/canary: "true"
nginx.ingress.kubernetes.io/canary-by-header: "canary"
nginx.ingress.kubernetes.io/canary-by-header-value: "hahaha"
# 訪問方式
curl -H "canary: hahaha" http://xxxxxx	#都訪問carry
curl -H "canary: lslsls" http://xxxxxx	#請求其他 Canary 規則
curl -H "canary: always" http://xxxxxx	#請求其他 Canary 規則
curl -H "canary: never" http://xxxxxxx	#請求其他 Canary 規則

基於cookie：

# 配置
nginx.ingress.kubernetes.io/canary: "true"
nginx.ingress.kubernetes.io/canary-by-cookie: "users_from_Beijing"
# 訪問方式
curl -b "users_from_Beijing=always" http://xxxxxx	#都訪問carry
curl -b "users_from_Beijing=never" http://xxxxxxx	#都不訪問carry
curl -b "users_from_Beijing=lalala" http://xxxxxx	#請求其他 Canary 規則

基於weight：

nginx.ingress.kubernetes.io/canary: "true"
nginx.ingress.kubernetes.io/canary-weight: "30"