關鍵字: Istio, GKE, proxy injection
影響: Istio 整合卡住,部署失敗
註: 這篇文章時間稍微久遠一些,發生的 istio 版本是 1.3 左右,因此後來新版本有解決這些問題
由於版本已經過久,所以可以當作一個過去的心酸血淚史,現在版本不會有這些問題
作者團隊的服務試運行於 GKE 上,一開始想要透過 istio 來觀察流量同時加強應用程式間溝通的安全性,因為希望自己可以減少管理 istio 的時間,因此一開始就先嘗試使用了由 GKE 所提供的 istio 解決方案。結果非常失望,幾乎沒有什麼可以設定,沒有辦法透過類似 helm chart 的方式去客製化。
最後團隊轉向自行部署與設定,第一個遇到的問題是 service 的名稱沒有設定好,導致該流量被用錯誤的方式去解讀,最後導致相關的 pod 全部都不停地卡在 crash-back 的失敗迴圈中
解決第一個問題後不久又遇到第二個情境, Kubernetes Job 因為 istio 的 sidecare 不會結束導致 job 本身沒有辦法結束,而是會已一個 running 的狀態一直運行。
接下來的問題更加麻煩,服務之間的連線不穩,這部分沒有太多的除錯資訊可以用(基本上牽扯到網路連線的問題,都非常難除錯)。最後觀察到是 istio sidecar 對於 Stateful Set 本身的支援度不好,其紀錄相關 pod 資訊的物件沒有正常更新,導致封包很容易送到一些不存在的 pod。
前前後後作者遇到很多問題,全部問題都解決後才稍微有信心與想法去整合 istio 到正式的生產環境,就如同本文前面所述,這篇作者探討的還是早期的 istio, 2021 的今天 istio 整合起來應該容易許多了
https://medium.com/@jakubkulich/sailing-with-the-istio-through-the-shallow-water-8ae81668381e
同時也有3部Youtube影片,追蹤數超過36萬的網紅バイリンガルベイビー英会話,也在其Youtube影片中提到,I am American and I have lived in Japan for over 15 years, and I STILL can't understand all of the functions on Japanese toilets. I know that there is...
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bells and whistles 在 Zee Avi Facebook 的最佳解答
Bah~ come berloya with us tomorrow night on the first ever episode of @oohatv.my that I'll be co-hosting with my buddy @faroukkamil! Honestly, I'm nervous and excited 🌺
Such a pleasure to be speaking to our first ever guest, @yungk4i, a prominent name in the Sarawak's hip hop scene about his new vidoe and single.
It's going to be live on my Facebook and YouTube, so come and interact! We'd love to hear from you!
The show is going to be suuuuuper chill, no bells and whistles or cool cutaways, really just us berklaka jak~ 😉
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bells and whistles 在 InnoVEX Facebook 的精選貼文
NetThunder makes cloud setup as easy as possible. In less than 15 minutes, users can have their own enterprise cloud server running with all the bells and whistles
bells and whistles 在 バイリンガルベイビー英会話 Youtube 的最讚貼文
I am American and I have lived in Japan for over 15 years, and I STILL can't understand all of the functions on Japanese toilets. I know that there is a washlet, but aside from that, I really don't understand what the different bells and whistles are on the toilets😂 I asked my husband to help me translate some of the buttons on the toilet and I was truly impressed, to say the least!
To see more #Shorts like this and to see vlogs of our life in Japan with the two cutest little kiddos ever, please subscribe to our channel below!
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#Shorts #Japanese #Toilet
bells and whistles 在 TianChad 田七摄影 Youtube 的最佳貼文
Time-lapse video recorded using Xiaomi Mi A1 dual-camera smartphone. For personal camera photos sample do check out: http://www.tianchad.com/2017/09/xiaomi-mi-a1-review-malaysia-dual-camera-photo-quality.html OR
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bells and whistles 在 Spice N' Pans Youtube 的精選貼文
This Fish Head Claypot dish is one of our favourite dishes to order at our local tze char stalls in Singapore. For those of you who have no idea what's a tze char stall, basically you just pick what they have on the menu and they will cook it on the spot for you. Technically it's like a restaurant except that in Singapore, a tze char stall usually operates in a coffeeshop or a hawker centre where other stalls operate as well. Compared to a restaurant, it's must cheaper to dine in a tze char stall because it doesn't have any bells or whistles such as air-condition or service. If you ever come to Singapore for a holiday or for work, ask your friends to bring you to one and order this Fish Head Claypot dish.
In this video, you will learn the steps to prepare this surprisingly simple dish. Please see the list of ingredients below.
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INGREDIENTS
Serves up to 4
Fish Head Marinate
1/2 a garoupa fish head
Juice from 1 thumb size ginger - grated
Dash of pepper
1 & 1/2 teaspoons of light soy sauce
1/2 cap of shaoxing huatiao cooking wine
Add rice flour or all-purpose flour to fish head after 20 mins of marination and before frying
For cooking
1 bulb of minced garlic
3 medium size onions - sliced
1 thumb size ginger - sliced
5 Shitake mushrooms or dried mushrooms
2 tablespoons Spicy bean paste
1 tablespoon Chinese hot sauce
1/2 tablespoon yellow bean paste
2 tablespoon of oyster sauce
1.5L of water
1 tablespoon of light soy sauce
1 tablespoon of dark soy sauce
1.5 teaspoons pork stock powder
1/4 Cabbage
150g roasted pork
2 eggs
2 tubes of egg tofu
Corntarch solution
2 teaspoons sugar
Dash of pepper
1.5 caps of Shaoxing Huatiao cooking wine