Technology, Blog

//Refresh Browser Page driver.navigate().refresh()

//Navigate forward in the browser History
driver.navigate().forward()

//Navigate backward in the browser History
driver.navigate().back()

‘response’
is a special
variable in Karate
Framework

After every
HTTP call
this special
variable is updated
with reponse body
i. e XML or JSON

//Build an image fromDockerfile and tag it docker

build -t appimage:1.1

//List all images

docker image ls

//Delete an image

docker image rm appimage:1.1

// to get rootprivilege use’sudo’ before above commands

e. g. sudo docker image ls

#shorts

For git commands git init, git log, git clone commands and syntax, please find youtube link below:

how to add your local git branch changes to remote branch

// follow 3 steps

1. git add .

2. git commit -m “my commit”

3. git push

stpe 1 add yourworking directoryfile to index area

step 2. saves yourchanges to local repo

step 3. pushesyour changes to remote branch

Most useful git commands are git init, git add ., git commit, git push, git pull, git feth

1. git init// to start local repo

2. git add .//to add local changesto staging area

3. git commit -m “change1″// to collect stagedchanges

4. git push// to push localcommittedchanges toremote branch

5. git fetch// will fetchremote branchchanges to yourlocal repo (notto workspcae)

6. git pull// it is git fetch + mergeto your workspace

7. git remote show origin// to find remote git url

8. git checkout baranch// checkout to local branchall commits will be recorded

9. git checkout -b branch// create new local branchand check out

What is Blue/Green Deployment and its Pros/Cons

t’s an Advanced
Deployment process
with following steps

1. While Blue environment
is active and supporting
production users,
Green environment
will be upgraded,
then smoke tested

2. After successful
smoke test, Load balancer
will direct user traffic
to Green environment

3. Now Blue
environment
will be upgraded

Pros:
Uninterrupted
availability of services
during deployment

Cons:
Expensive to maintain
duplicate
production environment

DevOps #2 What is Rolling Updates or Deployment | Incremental node updates on multi node environment

Rolling updates are
done for Multi node
environment. Here
each node will
be taken out, upgraded,
smoke tested and
then redeployed.
Process repeated until
all nodes are upgraded
individually

Pros:                
Incremental,
zero downtime
incremental
deployement

Cons:               
unpredictable
behavior
may be noticed
due to each node
level updates

For Ansible Molecule setup the following commands needs to be executed:
1.pip install
2.virtualenv ansible(will create virtual env
for python with ansible name)

3. cd ansible (to go to ansible folder)
4. source bin/activate (to activate python env)

5. pip install molecule anisble molecule[docker] docker Now, verify ansible and molecule version
6. ansible –version
7. molecule –version

run command :

1. molecule init role
   -r my-ansible-molecule-role
2. cd my-ansible-molecule-role

folder “my-ansible-molecule-role”
will have following folders
1.defaults
2.handlers
3.meta
4.molecule
5.tasks
6.vars
except molecule, all folders have main. yml

molecule folder has
1.default > task folder
2.molecule.yml
3.playbook. yml
4.Dockerfile

now, run command

1. cd..(to go to parent folder)
   store yml files in tasks folder thatto be tested and linted by molecule

now just run command

1. molecule test
2. molecule destroy
3. molecule converge