Rolling-back (Expected State Running But Got Stopped) appears in Rancher, the solution to upgrade cannot be upgraded again

by 永夜 · 2018/06/13

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1. The upgrade fails in Rancher, and Rolling-Back (Expected State Running But Got Stopped) appears when rolling back, as shown in Figure 1

在 Rancher 中升级失败，回滚时出现 Rolling-Back (Expected state running but got stopped)

Figure 1

2. Click the link to view the log, as shown in Figure 2

Figure 2


2018/6/13 下午6:26:01/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:26:06/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:26:20/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:26:36/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:26:50/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:27:06/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:27:21/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:27:36/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:27:51/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:28:20/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:28:50/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:29:06/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:30:06/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:31:06/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:32:06/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:32:11/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:33:21/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable
2018/6/13 下午6:34:21/config/init/config0.sh: line 2: PCS_API_CFG_DB_HOST: unbound variable

3. Log: WebTV-PCS-1, prompt: pcs_api_cfg_db_host, unbound variables (it can be clear that the environment variables were bound before, the reason has not been found), as shown in Figure 3

日志: webtv-pcs-1，提示：PCS_API_CFG_DB_HOST，未绑定变量(可以明确的是，之前是绑定了环境变量的，原因暂未找到)

Figure 3

4. The cloning service is pcs-backup, select image, registry-vpc.cn-beijing.aliyuncs.com/cmc/pcs-api:dev_dev-0.4.7, upgrade, as shown in Figure 4, Figure 5