shiywang

2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd [req-697ed7e8-c600-4774-ac75-8e4f703b2421 - - - - -] Error connecting to ceph cluster.: PermissionDeniedError: error connecting to the cluster
2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd Traceback (most recent call last):
2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd   File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/rbd.py", line 321, in _do_conn
2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd     client.connect()
2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd   File "rados.pyx", line 785, in rados.Rados.connect (rados.c:8969)
2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd PermissionDeniedError: error connecting to the cluster
2018-02-24 05:24:42.110 10474 ERROR cinder.volume.drivers.rbd 
2018-02-24 05:24:42.112 10474 DEBUG cinder.utils [req-697ed7e8-c600-4774-ac75-8e4f703b2421 - - - - -] Failed attempt 2 _print_stop /usr/lib/python2.7/site-packages/cinder/ut

shiywang

➜  demo git:(master) ✗ virtctl console testvm-nocloud --kubeconfig=/home/shiywang/.kube/config 
Escape sequence is ^]
login as 'cirros' user. default password: 'gocubsgo'. use 'sudo' for root.
cirros login: root
Password: 
Login incorrect
cirros login: root
Password: 
Login incorrect
cirros login: cirros

shiywang

➜  demo git:(master) ✗ ifconfig
br-a75bb6e277bf: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        inet 172.18.0.1  netmask 255.255.0.0  broadcast 0.0.0.0
        ether 02:42:7c:ff:d6:7c  txqueuelen 0  (Ethernet)
        RX packets 69474  bytes 4331479 (4.1 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 89674  bytes 288151546 (274.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

docker0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500

shiywang

func Max(a, b int) int {
    if a > b {
        return a
    }
    
    return b
}

func Sum(i, j int, num []int) int {

shiywang

package main

import (
	"fmt"
)

func Min(a,b,c,d int) int {
	if c < a && c < b && c < d {
		return c
	}

shiywang

package main

import (
	"fmt"
)

var max = 10000000000000

func Min(a, b int) int {
	if a < b {

shiywang

func Max(a, b int) int {
	if a > b {
		return a
	}
	return b
}

func backPack(idx, size int, weight []int) int {
	if idx >= len(weight) {
		return 0

shiywang

func Max(a, b int) int {
	if a > b {
		return a
	}
	return b
}

// func solve(idx int, nums, memory []int) int {
// 	if idx < 0 {
// 		return 0

shiywang

func solve(idx int, nums, memory []int) int {
	if idx < 0 {
		return 0
	}
	if memory[idx] != -1 {
		return memory[idx]
	}
	memory[idx] = Max(nums[idx]+solve(idx-2, nums, memory), solve(idx-1, nums, memory))
    return memory[idx]
}

shiywang

func solve(idx int, nums []int) int {
	if idx < 0 {
		return 0
	}
	return Max(nums[idx]+solve(idx-2, nums), solve(idx-1, nums))
}
func rob(nums []int) int {
	return solve(len(nums)-1, nums)
}