Adding ability to set kube config from a dict.

[vishnu667]

Added a function called load_kube_config_from_dict(), adding the ability to set the ~/.kube/config file from a dict.

Required where kubeconfig is stored externally and saving to disk is not an option.

Usage

import yaml
import kubernetes
from os.path import expanduser
config_dict = yaml.load(expanduser("~") + "/.kube/config")
kubernetes.config.load_kube_config_from_dict(config_dict)

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[vishnu667]

/assign @yliaog

[yliaog]

please add tests for the change to kube_config_test.py

[codecov-io]

Codecov Report

Merging #195 into master will decrease coverage by 0.14%.
The diff coverage is 84.78%.

@@            Coverage Diff             @@
##           master     #195      +/-   ##
==========================================
- Coverage   92.69%   92.54%   -0.15%     
==========================================
  Files          13       13              
  Lines        1519     1557      +38     
==========================================
+ Hits         1408     1441      +33     
- Misses        111      116       +5     

Impacted Files	Coverage Δ
config/__init__.py	100.00% <ø> (ø)
config/kube_config.py	83.29% <76.19%> (-0.20%)	⬇️
config/kube_config_test.py	95.41% <92.00%> (-0.18%)	⬇️

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[vishnu667]

@yliaog I've added Some test cases, they are similar to the load_kube_config test cases.
Instead of passing the yaml files I've passed them as a dictionary.

[codecov-commenter]

Codecov Report

Merging #195 into master will decrease coverage by 0.03%.
The diff coverage is 87.80%.

@@            Coverage Diff             @@
##           master     #195      +/-   ##
==========================================
- Coverage   92.69%   92.65%   -0.04%     
==========================================
  Files          13       13              
  Lines        1519     1552      +33     
==========================================
+ Hits         1408     1438      +30     
- Misses        111      114       +3     

Impacted Files	Coverage Δ
config/__init__.py	100.00% <ø> (ø)
config/kube_config.py	83.29% <76.19%> (-0.20%)	⬇️
config/kube_config_test.py	95.76% <100.00%> (+0.16%)	⬆️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[roycaihw]

/cc @yliaog

[yliaog]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vishnu667, yliaog

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