add: user auth accomplished
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wwweww
@@ -0,0 +1,294 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: envoy-config
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namespace: juwan
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data:
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envoy.yaml: |
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static_resources:
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listeners:
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- name: ingress_http
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address:
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socket_address:
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address: 0.0.0.0
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port_value: 8080
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filter_chains:
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- filters:
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- name: envoy.filters.network.http_connection_manager
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typed_config:
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"@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
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stat_prefix: ingress_http
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codec_type: AUTO
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generate_request_id: true
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use_remote_address: true
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route_config:
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name: local_route
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virtual_hosts:
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- name: juwan_services
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domains: ["*"]
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routes:
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- match:
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path: /healthz
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direct_response:
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status: 200
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body:
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inline_string: ok
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- match:
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prefix: /api/email
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route:
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cluster: email_api_cluster
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timeout: 30s
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- match:
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prefix: /api/users
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route:
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cluster: user_api_cluster
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timeout: 30s
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- match:
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prefix: /
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direct_response:
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status: 404
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body:
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inline_string: "gateway route not found"
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http_filters:
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- name: envoy.filters.http.lua
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typed_config:
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"@type": type.googleapis.com/envoy.extensions.filters.http.lua.v3.Lua
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inline_code: |
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local TOKEN_COOKIE = "csrf_token"
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local GUARD_COOKIE = "csrf_guard"
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local TOKEN_HEADER = "x-csrf-token"
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local GUARD_HEADER = "x-csrf-guard"
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local seeded = false
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local function seed_random()
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if seeded then
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return
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end
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seeded = true
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math.randomseed(os.time())
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end
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local function split_cookie(header)
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local out = {}
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if not header then
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return out
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end
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for pair in string.gmatch(header, "([^;]+)") do
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local key, value = string.match(pair, "^%s*([^=]+)=?(.*)$")
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if key ~= nil and value ~= nil then
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out[string.lower(key)] = value
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end
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end
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return out
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end
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local function is_safe_method(method)
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return method == "GET" or method == "HEAD" or method == "OPTIONS"
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end
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local function build_token(request_id)
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seed_random()
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local rnd = tostring(math.random(100000, 999999))
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local rid = request_id or "rid"
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return tostring(os.time()) .. "-" .. rid .. "-" .. rnd
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end
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function envoy_on_request(request_handle)
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local headers = request_handle:headers()
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local method = headers:get(":method")
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local cookie_header = headers:get("cookie")
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local cookies = split_cookie(cookie_header)
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local csrf_token_cookie = cookies[TOKEN_COOKIE]
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local csrf_guard_cookie = cookies[GUARD_COOKIE]
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request_handle:streamInfo():dynamicMetadata():set("csrf", "need_set_token_cookie", csrf_token_cookie == nil or csrf_token_cookie == "")
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request_handle:streamInfo():dynamicMetadata():set("csrf", "need_set_guard_cookie", csrf_guard_cookie == nil or csrf_guard_cookie == "")
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if csrf_token_cookie == nil or csrf_token_cookie == "" then
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csrf_token_cookie = build_token(headers:get("x-request-id"))
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request_handle:streamInfo():dynamicMetadata():set("csrf", "token_value", csrf_token_cookie)
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else
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request_handle:streamInfo():dynamicMetadata():set("csrf", "token_value", csrf_token_cookie)
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end
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if csrf_guard_cookie == nil or csrf_guard_cookie == "" then
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csrf_guard_cookie = build_token(headers:get("x-request-id"))
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request_handle:streamInfo():dynamicMetadata():set("csrf", "guard_value", csrf_guard_cookie)
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else
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request_handle:streamInfo():dynamicMetadata():set("csrf", "guard_value", csrf_guard_cookie)
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end
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if is_safe_method(method) then
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return
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end
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local csrf_token_header = headers:get(TOKEN_HEADER)
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local csrf_guard_header = headers:get(GUARD_HEADER)
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if csrf_token_header == nil or csrf_guard_header == nil then
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request_handle:respond(
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{[":status"] = "403", ["content-type"] = "application/json"},
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'{"code":403,"message":"missing csrf headers"}'
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)
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return
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end
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if csrf_token_cookie == nil or csrf_guard_cookie == nil then
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request_handle:respond(
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{[":status"] = "403", ["content-type"] = "application/json"},
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'{"code":403,"message":"missing csrf cookies"}'
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)
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return
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end
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if csrf_token_header ~= csrf_token_cookie or csrf_guard_header ~= csrf_guard_cookie then
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request_handle:respond(
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{[":status"] = "403", ["content-type"] = "application/json"},
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'{"code":403,"message":"csrf token mismatch"}'
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)
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return
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end
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end
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function envoy_on_response(response_handle)
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local metadata = response_handle:streamInfo():dynamicMetadata():get("csrf")
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if metadata == nil then
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return
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end
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local token_value = metadata["token_value"]
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local guard_value = metadata["guard_value"]
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if metadata["need_set_token_cookie"] == true and token_value ~= nil and token_value ~= "" then
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response_handle:headers():add(
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"set-cookie",
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TOKEN_COOKIE .. "=" .. token_value .. "; Path=/; SameSite=Strict"
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)
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end
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if metadata["need_set_guard_cookie"] == true and guard_value ~= nil and guard_value ~= "" then
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response_handle:headers():add(
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"set-cookie",
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GUARD_COOKIE .. "=" .. guard_value .. "; Path=/; SameSite=Strict"
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)
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end
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end
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- name: envoy.filters.http.router
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typed_config:
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"@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router
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clusters:
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- name: user_api_cluster
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connect_timeout: 2s
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type: STRICT_DNS
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lb_policy: ROUND_ROBIN
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load_assignment:
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cluster_name: user_api_cluster
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endpoints:
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- lb_endpoints:
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- endpoint:
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address:
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socket_address:
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address: user-api-svc.juwan.svc.cluster.local
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port_value: 8888
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- name: email_api_cluster
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connect_timeout: 2s
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type: STRICT_DNS
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lb_policy: ROUND_ROBIN
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load_assignment:
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cluster_name: email_api_cluster
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endpoints:
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- lb_endpoints:
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- endpoint:
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address:
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socket_address:
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address: email-api-svc.juwan.svc.cluster.local
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port_value: 8888
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admin:
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access_log_path: /tmp/admin_access.log
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address:
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socket_address:
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address: 0.0.0.0
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port_value: 9901
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: envoy-gateway
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namespace: juwan
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labels:
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app: envoy-gateway
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spec:
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replicas: 2
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revisionHistoryLimit: 5
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selector:
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matchLabels:
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app: envoy-gateway
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template:
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metadata:
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labels:
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app: envoy-gateway
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spec:
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containers:
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- name: envoy
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image: envoyproxy/envoy:v1.31-latest
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imagePullPolicy: IfNotPresent
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command: ["/usr/local/bin/envoy"]
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args:
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- "-c"
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- "/etc/envoy/envoy.yaml"
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- "--log-level"
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- "info"
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ports:
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- containerPort: 8080
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name: http
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- containerPort: 9901
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name: admin
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8080
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initialDelaySeconds: 10
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periodSeconds: 15
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readinessProbe:
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httpGet:
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path: /healthz
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port: 8080
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initialDelaySeconds: 5
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periodSeconds: 10
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resources:
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requests:
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cpu: 100m
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memory: 128Mi
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limits:
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cpu: 500m
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memory: 512Mi
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volumeMounts:
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- name: envoy-config
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mountPath: /etc/envoy
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volumes:
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- name: envoy-config
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configMap:
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name: envoy-config
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: envoy-gateway
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namespace: juwan
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spec:
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selector:
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app: envoy-gateway
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ports:
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- name: http
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port: 80
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targetPort: 8080
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- name: admin
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port: 9901
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targetPort: 9901
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type: ClusterIP
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