Helm upgrade --install isn't picking up new changes





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I'm using the command below in my build CI such that the deployments to helm happen on each build. However, I'm noticing that the changes aren't being deployed.



              helm upgrade --install --force 
--namespace=default
--values=kubernetes/values.yaml
--set image.tag=latest
--set service.name=my-service
--set image.pullPolicy=Always
myService kubernetes/myservice


Do I need to tag the image each time? Does helm not do the install if the same version exists?










share|improve this question































    1















    I'm using the command below in my build CI such that the deployments to helm happen on each build. However, I'm noticing that the changes aren't being deployed.



                  helm upgrade --install --force 
    --namespace=default
    --values=kubernetes/values.yaml
    --set image.tag=latest
    --set service.name=my-service
    --set image.pullPolicy=Always
    myService kubernetes/myservice


    Do I need to tag the image each time? Does helm not do the install if the same version exists?










    share|improve this question



























      1












      1








      1








      I'm using the command below in my build CI such that the deployments to helm happen on each build. However, I'm noticing that the changes aren't being deployed.



                    helm upgrade --install --force 
      --namespace=default
      --values=kubernetes/values.yaml
      --set image.tag=latest
      --set service.name=my-service
      --set image.pullPolicy=Always
      myService kubernetes/myservice


      Do I need to tag the image each time? Does helm not do the install if the same version exists?










      share|improve this question
















      I'm using the command below in my build CI such that the deployments to helm happen on each build. However, I'm noticing that the changes aren't being deployed.



                    helm upgrade --install --force 
      --namespace=default
      --values=kubernetes/values.yaml
      --set image.tag=latest
      --set service.name=my-service
      --set image.pullPolicy=Always
      myService kubernetes/myservice


      Do I need to tag the image each time? Does helm not do the install if the same version exists?







      kubernetes-helm






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 28 '18 at 2:02









      Hovercraft Full Of Eels

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      263k20213319










      asked Nov 23 '18 at 17:21









      AnthonyAnthony

      10.3k2294191




      10.3k2294191
























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          Yes, you need to tag each build rather than use 'latest'. Helm does a diff between the template evaluated from your parameters and the currently deployed one. Since both are 'latest' it sees no change and doesn't apply any upgrade (unless something else changed). This is why the helm best practices guide advises that "container image should use a fixed tag or the SHA of the image". (See also https://docs.helm.sh/chart_best_practices/ and Helm upgrade doesn't pull new container )






          share|improve this answer
























          • I suspect it would also force an image pull if you added the '--recreate-pods' flag.

            – Ryan Dawson
            Nov 24 '18 at 14:13











          • When they say "SHA of the image" Do they mean a git SHA?

            – Anthony
            Nov 25 '18 at 11:37











          • I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

            – Ryan Dawson
            Nov 25 '18 at 14:31














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          Yes, you need to tag each build rather than use 'latest'. Helm does a diff between the template evaluated from your parameters and the currently deployed one. Since both are 'latest' it sees no change and doesn't apply any upgrade (unless something else changed). This is why the helm best practices guide advises that "container image should use a fixed tag or the SHA of the image". (See also https://docs.helm.sh/chart_best_practices/ and Helm upgrade doesn't pull new container )






          share|improve this answer
























          • I suspect it would also force an image pull if you added the '--recreate-pods' flag.

            – Ryan Dawson
            Nov 24 '18 at 14:13











          • When they say "SHA of the image" Do they mean a git SHA?

            – Anthony
            Nov 25 '18 at 11:37











          • I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

            – Ryan Dawson
            Nov 25 '18 at 14:31


















          0














          Yes, you need to tag each build rather than use 'latest'. Helm does a diff between the template evaluated from your parameters and the currently deployed one. Since both are 'latest' it sees no change and doesn't apply any upgrade (unless something else changed). This is why the helm best practices guide advises that "container image should use a fixed tag or the SHA of the image". (See also https://docs.helm.sh/chart_best_practices/ and Helm upgrade doesn't pull new container )






          share|improve this answer
























          • I suspect it would also force an image pull if you added the '--recreate-pods' flag.

            – Ryan Dawson
            Nov 24 '18 at 14:13











          • When they say "SHA of the image" Do they mean a git SHA?

            – Anthony
            Nov 25 '18 at 11:37











          • I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

            – Ryan Dawson
            Nov 25 '18 at 14:31
















          0












          0








          0







          Yes, you need to tag each build rather than use 'latest'. Helm does a diff between the template evaluated from your parameters and the currently deployed one. Since both are 'latest' it sees no change and doesn't apply any upgrade (unless something else changed). This is why the helm best practices guide advises that "container image should use a fixed tag or the SHA of the image". (See also https://docs.helm.sh/chart_best_practices/ and Helm upgrade doesn't pull new container )






          share|improve this answer













          Yes, you need to tag each build rather than use 'latest'. Helm does a diff between the template evaluated from your parameters and the currently deployed one. Since both are 'latest' it sees no change and doesn't apply any upgrade (unless something else changed). This is why the helm best practices guide advises that "container image should use a fixed tag or the SHA of the image". (See also https://docs.helm.sh/chart_best_practices/ and Helm upgrade doesn't pull new container )







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 23 '18 at 19:00









          Ryan DawsonRyan Dawson

          4,9423428




          4,9423428













          • I suspect it would also force an image pull if you added the '--recreate-pods' flag.

            – Ryan Dawson
            Nov 24 '18 at 14:13











          • When they say "SHA of the image" Do they mean a git SHA?

            – Anthony
            Nov 25 '18 at 11:37











          • I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

            – Ryan Dawson
            Nov 25 '18 at 14:31





















          • I suspect it would also force an image pull if you added the '--recreate-pods' flag.

            – Ryan Dawson
            Nov 24 '18 at 14:13











          • When they say "SHA of the image" Do they mean a git SHA?

            – Anthony
            Nov 25 '18 at 11:37











          • I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

            – Ryan Dawson
            Nov 25 '18 at 14:31



















          I suspect it would also force an image pull if you added the '--recreate-pods' flag.

          – Ryan Dawson
          Nov 24 '18 at 14:13





          I suspect it would also force an image pull if you added the '--recreate-pods' flag.

          – Ryan Dawson
          Nov 24 '18 at 14:13













          When they say "SHA of the image" Do they mean a git SHA?

          – Anthony
          Nov 25 '18 at 11:37





          When they say "SHA of the image" Do they mean a git SHA?

          – Anthony
          Nov 25 '18 at 11:37













          I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

          – Ryan Dawson
          Nov 25 '18 at 14:31







          I think it means the docker image sha256 code - stackoverflow.com/questions/32046334/…

          – Ryan Dawson
          Nov 25 '18 at 14:31






















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