# Flux Helm Chart operations
Demo of the HelmRelease operations and Flux.
# Install GitLab using flux
Install GitLab
envsubst < files/flux-repository/namespaces/gitlab-ns.yaml > tmp/k8s-flux-repository/namespaces/gitlab-ns.yaml
envsubst < files/flux-repository/releases/gitlab-release.yaml > tmp/k8s-flux-repository/releases/gitlab-release.yaml
envsubst < files/flux-repository/workloads/gitlab-custom-ca.yaml > tmp/k8s-flux-repository/workloads/gitlab-custom-ca.yaml
envsubst < files/flux-repository/workloads/gitlab-gitlab-initial-root-password.yaml > tmp/k8s-flux-repository/workloads/gitlab-gitlab-initial-root-password.yaml
envsubst < files/flux-repository/workloads/gitlab-services.yaml > tmp/k8s-flux-repository/workloads/gitlab-services.yaml
git -C tmp/k8s-flux-repository add --verbose .
git -C tmp/k8s-flux-repository commit -m "Add GitLab"
git -C tmp/k8s-flux-repository push -q
fluxctl sync
Output:
add 'namespaces/gitlab-ns.yaml'
add 'releases/gitlab-release.yaml'
add 'workloads/gitlab-custom-ca.yaml'
add 'workloads/gitlab-gitlab-initial-root-password.yaml'
add 'workloads/gitlab-services.yaml'
[master 691c4f2] Add GitLab
5 files changed, 193 insertions(+)
create mode 100644 namespaces/gitlab-ns.yaml
create mode 100644 releases/gitlab-release.yaml
create mode 100644 workloads/gitlab-custom-ca.yaml
create mode 100644 workloads/gitlab-gitlab-initial-root-password.yaml
create mode 100644 workloads/gitlab-services.yaml
Synchronizing with git@github.com:ruzickap/k8s-flux-repository
Revision of master to apply is 691c4f2
Waiting for 691c4f2 to be applied ...
Done.
# Run and application via Flux "HelmRelease"
Create HelmRelease and VirtualService files:
envsubst << EOF > tmp/k8s-flux-repository/releases/podinfo-release.yaml
apiVersion: flux.weave.works/v1beta1
kind: HelmRelease
metadata:
name: podinfo
namespace: default
annotations:
flux.weave.works/automated: "false"
spec:
releaseName: podinfo
targetNamespace: default
chart:
repository: https://stefanprodan.github.io/podinfo
name: podinfo
version: 2.1.1
values:
service:
enabled: true
message: Hello ;-)
EOF
envsubst << EOF > tmp/k8s-flux-repository/workloads/podinfo.yaml
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: podinfo-http-virtual-service
namespace: default
spec:
hosts:
- podinfo.${MY_DOMAIN}
gateways:
- istio-system/istio-autogenerated-k8s-ingress
http:
- route:
- destination:
host: podinfo.default.svc.cluster.local
port:
number: 9898
EOF
Push the changes to the Git repository:
git -C tmp/k8s-flux-repository add --verbose .
git -C tmp/k8s-flux-repository commit -m "Add podinfo HelmRelease"
git -C tmp/k8s-flux-repository push -q
fluxctl sync
sleep 20
Output:
add 'releases/podinfo-release.yaml'
add 'workloads/podinfo.yaml'
[master 03164b6] Add podinfo HelmRelease
2 files changed, 34 insertions(+)
create mode 100644 releases/podinfo-release.yaml
create mode 100644 workloads/podinfo.yaml
Synchronizing with git@github.com:ruzickap/k8s-flux-repository
Revision of master to apply is 03164b6
Waiting for 03164b6 to be applied ...
Done.
List the installed Helm Charts:
helm ls
Output:
NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
cert-manager 1 Thu Aug 29 09:40:16 2019 DEPLOYED cert-manager-v0.9.0 v0.9.0 cert-manager
flux 1 Thu Aug 29 09:39:10 2019 DEPLOYED flux-0.12.0 1.13.3 flux
gitlab 1 Thu Aug 29 10:34:40 2019 DEPLOYED gitlab-2.2.0 12.2.0 gitlab
harbor 1 Thu Aug 29 09:46:13 2019 DEPLOYED harbor-1.1.1 1.8.1 harbor
istio 1 Thu Aug 29 09:42:29 2019 DEPLOYED istio-1.2.5 1.2.5 istio-system
istio-init 1 Thu Aug 29 09:41:22 2019 DEPLOYED istio-init-1.2.5 1.2.5 istio-system
kubed 1 Thu Aug 29 09:40:48 2019 DEPLOYED kubed-0.9.0 0.9.0 kubed
podinfo 1 Thu Aug 29 10:35:53 2019 DEPLOYED podinfo-2.1.1 2.1.1 default
Show the history of podinfo:
helm history podinfo
Output:
REVISION UPDATED STATUS CHART DESCRIPTION
1 Thu Aug 29 10:35:53 2019 DEPLOYED podinfo-2.1.1 Install complete
Check the HelmRelease details for podinfo:
kubectl describe helmreleases.flux.weave.works podinfo
Output:
Name: podinfo
Namespace: default
Labels: flux.weave.works/sync-gc-mark=sha256.grAYAKjn3uQ_4t8EXwcBCfJndY8XeUwdNz_dOeTJTcs
Annotations: flux.weave.works/automated: false
flux.weave.works/sync-checksum: 59cb325964b3d10ff647d8426eccf14f8592f437
kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"flux.weave.works/v1beta1","kind":"HelmRelease","metadata":{"annotations":{"flux.weave.works/automated":"false","flux.weave....
API Version: flux.weave.works/v1beta1
Kind: HelmRelease
Metadata:
Creation Timestamp: 2019-08-29T08:35:53Z
Generation: 1
Resource Version: 10677
Self Link: /apis/flux.weave.works/v1beta1/namespaces/default/helmreleases/podinfo
UID: 036d2df0-ca38-11e9-8542-026128d6be42
Spec:
Chart:
Name: podinfo
Repository: https://stefanprodan.github.io/podinfo
Version: 2.1.1
Release Name: podinfo
Target Namespace: default
Values:
Message: Hello ;-)
Service:
Enabled: true
Status:
Conditions:
Last Transition Time: 2019-08-29T08:35:54Z
Last Update Time: 2019-08-29T08:35:54Z
Message: helm install succeeded
Reason: HelmSuccess
Status: True
Type: Released
Last Transition Time: 2019-08-29T08:35:53Z
Last Update Time: 2019-08-29T08:36:28Z
Message: chart fetched: podinfo-2.1.1.tgz
Reason: RepoChartInCache
Status: True
Type: ChartFetched
Observed Generation: 1
Release Name: podinfo
Release Status: DEPLOYED
Revision: 2.1.1
Values Checksum: d16a2a7c9df4d3b7e98f4dd15ba8f9a83b4d05305f3830567d9372e6f088097e
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal ChartSynced 29s (x2 over 63s) helm-operator Chart managed by HelmRelease processed
List the running pods:
kubectl get pods
Output:
NAME READY STATUS RESTARTS AGE
podinfo-85d47bf859-bt6h6 1/1 Running 0 71s
Get the pod's image version:
kubectl describe pods | grep Image:
Output:
Image: stefanprodan/podinfo:2.1.1
List the Flux workloads:
fluxctl list-workloads
Output:
WORKLOAD CONTAINER IMAGE RELEASE POLICY
default:deployment/podinfo podinfo stefanprodan/podinfo:2.1.1 ready
default:helmrelease/podinfo DEPLOYED
List the images discovered by Flux:
fluxctl list-images -n default 2>/dev/null
Output:
WORKLOAD CONTAINER IMAGE CREATED
default:deployment/podinfo podinfo stefanprodan/podinfo
| 2.1.3 13 Aug 19 09:33 UTC
| latest 13 Aug 19 09:33 UTC
| 2.1.2 13 Aug 19 07:53 UTC
'-> 2.1.1 13 Aug 19 07:51 UTC
2.1.0 07 Aug 19 13:18 UTC
...
default:helmrelease/podinfo
Upgrade the podinfo Helm Chart to 2.1.3:
sed -i "s/version: 2.1.1/version: 2.1.3/" tmp/k8s-flux-repository/releases/podinfo-release.yaml
git -C tmp/k8s-flux-repository diff releases/podinfo-release.yaml
git -C tmp/k8s-flux-repository add --verbose .
git -C tmp/k8s-flux-repository commit -m "Increase podinfo Helm version"
git -C tmp/k8s-flux-repository push -q
fluxctl sync
Output:
add 'releases/podinfo-release.yaml'
[master 954ab8e] Increase podinfo Helm version
1 file changed, 1 insertion(+), 1 deletion(-)
Synchronizing with git@github.com:ruzickap/k8s-flux-repository
Revision of master to apply is 954ab8e
Waiting for 954ab8e to be applied ...
Done.
List the release history of podinfo:
helm history podinfo
Output:
REVISION UPDATED STATUS CHART DESCRIPTION
1 Thu Aug 29 10:35:53 2019 SUPERSEDED podinfo-2.1.1 Install complete
2 Thu Aug 29 10:39:39 2019 DEPLOYED podinfo-2.1.3 Upgrade complete
Check the HelmRelease details:
kubectl describe helmreleases.flux.weave.works podinfo
Output:
Name: podinfo
Namespace: default
Labels: flux.weave.works/sync-gc-mark=sha256.grAYAKjn3uQ_4t8EXwcBCfJndY8XeUwdNz_dOeTJTcs
Annotations: flux.weave.works/automated: false
flux.weave.works/sync-checksum: 67cb807881a41e240fb226cf33885f6e88a03168
kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"flux.weave.works/v1beta1","kind":"HelmRelease","metadata":{"annotations":{"flux.weave.works/automated":"false","flux.weave....
API Version: flux.weave.works/v1beta1
Kind: HelmRelease
Metadata:
Creation Timestamp: 2019-08-29T08:35:53Z
Generation: 2
Resource Version: 11198
Self Link: /apis/flux.weave.works/v1beta1/namespaces/default/helmreleases/podinfo
UID: 036d2df0-ca38-11e9-8542-026128d6be42
Spec:
Chart:
Name: podinfo
Repository: https://stefanprodan.github.io/podinfo
Version: 2.1.3
Release Name: podinfo
Target Namespace: default
Values:
Message: Hello ;-)
Service:
Enabled: true
Status:
Conditions:
Last Transition Time: 2019-08-29T08:35:53Z
Last Update Time: 2019-08-29T08:39:38Z
Message: chart fetched: podinfo-2.1.3.tgz
Reason: RepoChartInCache
Status: True
Type: ChartFetched
Last Transition Time: 2019-08-29T08:35:54Z
Last Update Time: 2019-08-29T08:39:39Z
Message: helm upgrade succeeded
Reason: HelmSuccess
Status: True
Type: Released
Observed Generation: 2
Release Name: podinfo
Release Status: DEPLOYED
Revision: 2.1.3
Values Checksum: d16a2a7c9df4d3b7e98f4dd15ba8f9a83b4d05305f3830567d9372e6f088097e
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal ChartSynced 73s (x4 over 4m58s) helm-operator Chart managed by HelmRelease processed
Check the Helm Charts:
helm ls
Output:
NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
cert-manager 1 Thu Aug 29 09:40:16 2019 DEPLOYED cert-manager-v0.9.0 v0.9.0 cert-manager
flux 1 Thu Aug 29 09:39:10 2019 DEPLOYED flux-0.12.0 1.13.3 flux
gitlab 1 Thu Aug 29 10:34:40 2019 DEPLOYED gitlab-2.2.0 12.2.0 gitlab
harbor 1 Thu Aug 29 09:46:13 2019 DEPLOYED harbor-1.1.1 1.8.1 harbor
istio 1 Thu Aug 29 09:42:29 2019 DEPLOYED istio-1.2.5 1.2.5 istio-system
istio-init 1 Thu Aug 29 09:41:22 2019 DEPLOYED istio-init-1.2.5 1.2.5 istio-system
kubed 1 Thu Aug 29 09:40:48 2019 DEPLOYED kubed-0.9.0 0.9.0 kubed
podinfo 2 Thu Aug 29 10:39:39 2019 DEPLOYED podinfo-2.1.3 2.1.3 default
Let's remove the podinfo Helm chart:
rm tmp/k8s-flux-repository/releases/podinfo-release.yaml
git -C tmp/k8s-flux-repository add --verbose .
git -C tmp/k8s-flux-repository commit -m "Remove podinfo Helm Chart"
git -C tmp/k8s-flux-repository push -q
fluxctl sync
Output:
remove 'releases/podinfo-release.yaml'
[master bd15a3a] Remove podinfo Helm Chart
1 file changed, 18 deletions(-)
delete mode 100644 releases/podinfo-release.yaml
Synchronizing with git@github.com:ruzickap/k8s-flux-repository
Revision of master to apply is bd15a3a
Waiting for bd15a3a to be applied ...
Done.
Check the Helm Charts:
helm ls
Output:
NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
cert-manager 1 Thu Aug 29 09:40:16 2019 DEPLOYED cert-manager-v0.9.0 v0.9.0 cert-manager
flux 1 Thu Aug 29 09:39:10 2019 DEPLOYED flux-0.12.0 1.13.3 flux
gitlab 1 Thu Aug 29 10:34:40 2019 DEPLOYED gitlab-2.2.0 12.2.0 gitlab
harbor 1 Thu Aug 29 09:46:13 2019 DEPLOYED harbor-1.1.1 1.8.1 harbor
istio 1 Thu Aug 29 09:42:29 2019 DEPLOYED istio-1.2.5 1.2.5 istio-system
istio-init 1 Thu Aug 29 09:41:22 2019 DEPLOYED istio-init-1.2.5 1.2.5 istio-system
kubed 1 Thu Aug 29 09:40:48 2019 DEPLOYED kubed-0.9.0 0.9.0 kubed
# GitLab upgrade
Open the GitLab URL ( root / admin123 ) and check the version (12.2.0)
in the "Admin" area:
- https://gitlab.mylabs.dev (opens new window), http://gitlab.mylabs.dev (opens new window)
ssh://gitlab.mylabs.dev
if [ -x /usr/bin/chromium-browser ]; then chromium-browser https://gitlab.mylabs.dev & fi
Upgrade GitLab to version 12.2.1:
sed -i "s/version: 2.2.0/version: 2.2.1/" tmp/k8s-flux-repository/releases/gitlab-release.yaml
git -C tmp/k8s-flux-repository add --verbose .
git -C tmp/k8s-flux-repository commit -m "Increase GitLab Helm version"
git -C tmp/k8s-flux-repository push -q
fluxctl sync
COUNTER=0; while [ $COUNTER -lt 25 ] ; do COUNTER=$((COUNTER+1)); echo ; kubectl get pods -n gitlab ; sleep 10; done
Output:
add 'releases/gitlab-release.yaml'
[master 581de58] Increase GitLab Helm version
1 file changed, 1 insertion(+), 1 deletion(-)
Synchronizing with git@github.com:ruzickap/k8s-flux-repository
Revision of master to apply is 581de58
Waiting for 581de58 to be applied ...
Done.
...
NAME READY STATUS RESTARTS AGE
gitlab-gitaly-0 1/1 Terminating 0 9m50s
gitlab-gitlab-monitor-54c8678797-cknps 1/1 Running 0 9m51s
gitlab-gitlab-monitor-7886dc78bb-dvpgr 0/1 PodInitializing 0 7s
gitlab-gitlab-shell-7b56949489-vhn72 1/1 Running 0 9m51s
gitlab-gitlab-shell-7b56949489-zlfsz 1/1 Running 0 9m34s
gitlab-gitlab-shell-7d5875b7f8-lcvqb 0/1 PodInitializing 0 7s
gitlab-migrations.2-8bbgg 0/1 PodInitializing 0 7s
gitlab-minio-5746f7f7c7-bckgb 1/1 Running 0 9m50s
gitlab-minio-create-buckets.2-z8c9b 0/1 Completed 0 7s
gitlab-postgresql-554d9fc6d5-fk627 2/2 Running 0 9m50s
gitlab-redis-78549bd659-hwsjd 2/2 Running 0 9m50s
gitlab-sidekiq-all-in-1-6f4947dc45-z9p9n 0/1 Init:1/3 0 7s
gitlab-sidekiq-all-in-1-7bfc6b75-44wmv 1/1 Running 0 9m50s
gitlab-task-runner-6dfd9d767-spdhf 1/1 Terminating 0 9m50s
gitlab-unicorn-6d755544d6-s8g4s 0/2 Init:2/3 0 7s
gitlab-unicorn-7d7c54b787-6cm8f 2/2 Running 0 9m34s
gitlab-unicorn-7d7c54b787-r8fvv 2/2 Running 0 9m50s
...
Verify if all the GitLab pods are running:
kubectl get pods -n gitlab
Output:
NAME READY STATUS RESTARTS AGE
gitlab-gitaly-0 1/1 Running 0 3m22s
gitlab-gitlab-monitor-7886dc78bb-dvpgr 1/1 Running 0 3m59s
gitlab-gitlab-shell-7d5875b7f8-lcvqb 1/1 Running 0 3m59s
gitlab-gitlab-shell-7d5875b7f8-p4bw2 1/1 Running 0 3m32s
gitlab-migrations.2-8bbgg 0/1 Completed 0 3m59s
gitlab-minio-5746f7f7c7-bckgb 1/1 Running 0 13m
gitlab-minio-create-buckets.2-z8c9b 0/1 Completed 0 3m59s
gitlab-postgresql-554d9fc6d5-fk627 2/2 Running 0 13m
gitlab-redis-78549bd659-hwsjd 2/2 Running 0 13m
gitlab-sidekiq-all-in-1-6f4947dc45-z9p9n 1/1 Running 0 3m59s
gitlab-task-runner-6cd5894bf6-qhp8n 1/1 Running 0 3m21s
gitlab-unicorn-6d755544d6-d7vqz 2/2 Running 0 2m31s
gitlab-unicorn-6d755544d6-s8g4s 2/2 Running 0 3m59s
Then verify the GitLab version again (should be 12.2.1).
helm ls
Output:
NAME REVISION UPDATED STATUS CHART APP VERSION NAMESPACE
cert-manager 1 Thu Aug 29 09:40:16 2019 DEPLOYED cert-manager-v0.9.0 v0.9.0 cert-manager
flux 1 Thu Aug 29 09:39:10 2019 DEPLOYED flux-0.12.0 1.13.3 flux
gitlab 2 Thu Aug 29 10:44:09 2019 DEPLOYED gitlab-2.2.1 12.2.1 gitlab
harbor 1 Thu Aug 29 09:46:13 2019 DEPLOYED harbor-1.1.1 1.8.1 harbor
istio 1 Thu Aug 29 09:42:29 2019 DEPLOYED istio-1.2.5 1.2.5 istio-system
istio-init 1 Thu Aug 29 09:41:22 2019 DEPLOYED istio-init-1.2.5 1.2.5 istio-system
kubed 1 Thu Aug 29 09:40:48 2019 DEPLOYED kubed-0.9.0 0.9.0 kubed