我创建了一个 k8 作业，用于在 Rails 应用程序中进行架构迁移。以下是不包括环境变量的作业 yaml：
---
- name: Deploy Migration Worker
k8s:
state: present
force: 'yes'
definition:
apiVersion: batch/v1
kind: Job
metadata:
name: schema-migration
namespace: "{{ k8s_namespace }}"
spec:
ttlSecondsAfterFinished: 60
template:
spec:
containers:
- command:
- /bin/sh
args:
- '-c'
- '{{ MIGRATIONS }}'
name: schema-migration-container
resources:
limits:
cpu: "{{ API_LIMIT_CPU }}"
memory: "{{ API_LIMIT_MEM }}"
requests:
cpu: "{{ API_REQUEST_CPU }}"
memory: "{{ API_REQUEST_MEM }}"
image: "redacted"
imagePullPolicy: IfNotPresent
restartPolicy: Never
imagePullSecrets:
- name: docker-pull-secret
dnsPolicy: ClusterFirst
imagePullSecrets:
- name: docker-pull-secret
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
下面是 Pod 状态：
NAME READY STATUS RESTARTS AGE
schema-migration-mnvvw 1/2 NotReady 0 137m
以下是工作状态：
NAME COMPLETIONS DURATION AGE
schema-migration 0/1 133m 133m
以下是 Pod 描述：
Name: schema-migration-mnvvw
Namespace: dev1
Priority: 0
Node: redacted
Start Time: Wed, 01 Feb 2023 15:16:35 -0400
Labels: controller-uid=redacted
job-name=schema-migration
security.istio.io/tlsMode=istio
service.istio.io/canonical-name=schema-migration
service.istio.io/canonical-revision=latest
Annotations: cluster-autoscaler.kubernetes.io/safe-to-evict: true
kubectl.kubernetes.io/default-container: main
kubectl.kubernetes.io/default-logs-container: main
kubernetes.io/psp: eks.privileged
prometheus.io/path: /stats/prometheus
prometheus.io/port: 15020
prometheus.io/scrape: true
sidecar.istio.io/status:
{"initContainers":["istio-init"],"containers":["istio-proxy"],"volumes":["istio-envoy","istio-data","istio-podinfo","istio-token","istiod-...
Status: Running
IP: 10.131.217.49
IPs:
IP: 10.131.217.49
Controlled By: Job/schema-migration
Init Containers:
istio-init:
Container ID: redacted
Image: docker.io/istio/proxyv2:1.11.3
Image ID: docker-pullable://istio/proxyv2@sha256:28513eb3706315b26610a53e0d66b29b09a334e3164393b9a0591f34fe47a6fd
Port: <none>
Host Port: <none>
Args:
istio-iptables
-p
15001
-z
15006
-u
1337
-m
REDIRECT
-i
*
-x
172.20.0.1/32
-b
*
-d
15090,15021,15020
State: Terminated
Reason: Completed
Exit Code: 0
Started: Wed, 01 Feb 2023 15:16:36 -0400
Finished: Wed, 01 Feb 2023 15:16:36 -0400
Ready: True
Restart Count: 0
Limits:
cpu: 2
memory: 1Gi
Requests:
cpu: 100m
memory: 128Mi
Environment:
DNS_AGENT:
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-9vcj4 (ro)
Containers:
main:
Container ID: docker://a37824a15a748e7124a455a878f57b2ae22e08f8cddd0a2b1938b0414228b320
Image: redacted
Image ID: redacted
Port: <none>
Host Port: <none>
Command:
/bin/sh
Args:
-c
bundle exec rake db:migrate:status && bundle exec rake db:migrate && bundle exec rake seed:policy_types && bundle exec rake seed:permission_types && bundle exec rake seed:roles && bundle exec rake seed:default_role_permissions && bundle exec rake seed:partner_policy_defaults && bundle exec rake after_party:run
State: Terminated
Reason: Completed
Exit Code: 0
Started: Wed, 01 Feb 2023 15:16:50 -0400
Finished: Wed, 01 Feb 2023 15:18:13 -0400
Ready: False
Restart Count: 0
Limits:
cpu: 1
memory: 4G
Requests:
cpu: 250m
memory: 2G
Readiness: http-get http://:15020/app-health/main/readyz delay=30s timeout=1s period=5s #success=1 #failure=12
Mounts:
/etc/istio/pod from istio-podinfo (rw)
/etc/istio/proxy from istio-envoy (rw)
/var/lib/istio/data from istio-data (rw)
/var/run/secrets/istio from istiod-ca-cert (rw)
/var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-9vcj4 (ro)
/var/run/secrets/tokens from istio-token (rw)
Conditions:
Type Status
Initialized True
Ready False
ContainersReady False
PodScheduled True
Volumes:
istio-envoy:
Type: EmptyDir (a temporary directory that shares a pod's lifetime)
Medium: Memory
SizeLimit: <unset>
istio-data:
Type: EmptyDir (a temporary directory that shares a pod's lifetime)
Medium:
SizeLimit: <unset>
istio-podinfo:
Type: DownwardAPI (a volume populated by information about the pod)
Items:
metadata.labels -> labels
metadata.annotations -> annotations
istio-token:
Type: Projected (a volume that contains injected data from multiple sources)
TokenExpirationSeconds: 43200
istiod-ca-cert:
Type: ConfigMap (a volume populated by a ConfigMap)
Name: istio-ca-root-cert
Optional: false
kube-api-access-9vcj4:
Type: Projected (a volume that contains injected data from multiple sources)
TokenExpirationSeconds: 3607
ConfigMapName: kube-root-ca.crt
ConfigMapOptional: <nil>
DownwardAPI: true
QoS Class: Burstable
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events: <none>
我对 kubernetes 相当陌生，但是我尝试添加/删除
readinessProbe我希望能让这项工作基本上完成。预先感谢。
我也有同样的情况。 你解决问题了吗？ 如果您分享任何解决方案，我们将不胜感激。
谢谢。