# Variable substitution in uri module **URL:** \ **Category:** Ansible Project\ **Tags:** ubuntu\ **Created:** [October 1, 2015, 8:02pm UTC](https://forum.ansible.com/t/variable-substitution-in-uri-module/19409 "2015-10-01T20:02:28Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![michael2](https://avatars.discourse-cdn.com/v4/letter/m/3e96dc/32.png) [@michael2](https://forum.ansible.com/u/michael2)\ **Post date:** [October 1, 2015, 8:02pm UTC](https://forum.ansible.com/t/variable-substitution-in-uri-module/19409/1 "2015-10-01T20:02:28Z")
Hi all, Similar to [https://groups.google.com/forum/#!topic/ansible-project/ba5PPAgYGXc](https://groups.google.com/forum/#!topic/ansible-project/ba5PPAgYGXc) but slightly different. I am trying to use variable substitution like so, putting the variable my\_var in the body parameter, which should be a json string: vars: my\_var: hello\_world tasks: - uri: url: [https://localhost/api/v1/](https://localhost/api/v1/) method: POST body: ‘{ “name”: “test”, “var”: “{{ my\_var }}”, “location”: “usa” }’ HEADER\_Content-Type: “application/json” status\_code: 201 validate\_certs: no user: admin password: password I get this error (stacktrace with a TypeError: unhashable type): TASK: [uri] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* failed: [localhost] =\> {“failed”: true, “parsed”: false} Traceback (most recent call last): File “/Users/mzb/.ansible/tmp/ansible-tmp-1443729077.78-98124067847188/uri”, line 2067, in main() File “/Users/mzb/.ansible/tmp/ansible-tmp-1443729077.78-98124067847188/uri”, line 419, in main resp, content, dest = uri(module, url, dest, user, password, body, method, dict\_headers, redirects, socket\_timeout, validate\_certs) File “/Users/mzb/.ansible/tmp/ansible-tmp-1443729077.78-98124067847188/uri”, line 312, in uri resp, content = h.request(url, method=method, body=body, headers=headers) File “/Library/Python/2.7/site-packages/httplib2/ **init**.py”, line 1609, in request (response, content) = self.\_request(conn, authority, uri, request\_uri, method, body, headers, redirections, cachekey) File “/Library/Python/2.7/site-packages/httplib2/ **init**.py”, line 1351, in \_request (response, content) = self.\_conn\_request(conn, request\_uri, method, body, headers) File “/Library/Python/2.7/site-packages/httplib2/ **init**.py”, line 1273, in \_conn\_request conn.request(method, request\_uri, body, headers) File “/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py”, line 973, in request self.\_send\_request(method, url, body, headers) File “/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py”, line 1007, in \_send\_request self.endheaders(body) File “/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py”, line 969, in endheaders self.\_send\_output(message\_body) File “/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py”, line 833, in \_send\_output self.send(message\_body) File “/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/httplib.py”, line 805, in send self.sock.sendall(data) File “/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/ssl.py”, line 229, in sendall v = self.send(data[count:]) TypeError: unhashable type If I don’t use quotes around the variable substition, like this: vars: my\_var: hello\_world tasks: - uri: url: [https://localhost/api/v1/](https://localhost/api/v1/) method: POST body: ‘{ “name”: “test”, “var”: {{ my\_var }}, “location”: “usa” }’ HEADER\_Content-Type: “application/json” status\_code: 201 validate\_certs: no user: admin password: password then, I get this error (No JSON type could be decoded): failed: [localhost] =\> {“allow”: “GET, POST, HEAD, OPTIONS”, “connection”: “close”, “content”: “{"detail": "JSON parse error - No JSON object could be decoded"}”, “content\_type”: “application/json”, “date”: “Thu, 01 Oct 2015 19:50:56 GMT”, “failed”: true, “json”: {“detail”: “JSON parse error - No JSON object could be decoded”}, “redirected”: false, “server”: “Apache/2.4.7 (Ubuntu)”, “status”: 400, “transfer\_encoding”: “chunked”, “vary”: “Accept,Cookie”, “x\_api\_time”: “0.001s”} msg: Status code was not [201] Any ideas? Thanks in advance! ---
**Author:** ![michael2](https://avatars.discourse-cdn.com/v4/letter/m/3e96dc/32.png) [@michael2](https://forum.ansible.com/u/michael2)\ **Post date:** [October 2, 2015, 7:45pm UTC](https://forum.ansible.com/t/variable-substitution-in-uri-module/19409/2 "2015-10-02T19:45:51Z")
I solved the problem after a lot of digging. In case it’s of use to anyone else: [https://github.com/ansible/ansible/issues/7005](https://github.com/ansible/ansible/issues/7005) ---
**Author:** ![Mick\_st\_john](https://avatars.discourse-cdn.com/v4/letter/m/aeb1de/32.png) [@Mick\_st\_john](https://forum.ansible.com/u/Mick_st_john)\ **Post date:** [October 15, 2015, 9:59am UTC](https://forum.ansible.com/t/variable-substitution-in-uri-module/19409/3 "2015-10-15T09:59:41Z")
HI, I am facing the same problem. I went through the link which you’ve posted but couldn’t find the exact solution. Could you please post the solution which you’ve tried? ---
**Author:** ![michael2](https://avatars.discourse-cdn.com/v4/letter/m/3e96dc/32.png) [@michael2](https://forum.ansible.com/u/michael2)\ **Post date:** [October 15, 2015, 3:49pm UTC](https://forum.ansible.com/t/variable-substitution-in-uri-module/19409/4 "2015-10-15T15:49:49Z")
Hi Sharwari, This is the key fix, changing from colon syntax to equal sign syntax: ```auto - name: Create an instance ec2: > state=present image="{{ ami_base_image_id }}" instance_type=t1.micro group="{{ instance_security_groups }}" key_name="{{ environment_public_ssh_key_name }}" vpc_subnet_id="{{ environment_vpc_public_subnet_az1_id }}" user_data="{{ lookup('template', '../templates/user_data.json') }}" assign_public_ip=yes wait=yes wait_timeout=600 region="{{ vpc_region }}" aws_access_key="{{ aws_access_key }}" aws_secret_key="{{ aws_secret_key }}" register: new_instance when: environment_instance is not defined ``` ---
**Author:** ![Mick\_st\_john](https://avatars.discourse-cdn.com/v4/letter/m/aeb1de/32.png) [@Mick\_st\_john](https://forum.ansible.com/u/Mick_st_john)\ **Post date:** [October 16, 2015, 4:37am UTC](https://forum.ansible.com/t/variable-substitution-in-uri-module/19409/5 "2015-10-16T04:37:19Z")
Hi, I’d explain my problem clearly, I have a same type of example as yours. vars: my\_var: hello\_world tasks: - uri: url: [https://localhost/api/v1/](https://localhost/api/v1/) method: POST body: jsoncode=‘{ “name”: “test”, “var”: “{{ my\_var }}”, “location”: “usa” }’ HEADER\_Content-Type: “application/json” status\_code: 201 validate\_certs: no user: admin password: password Here, I replaced : with = and provided “” to the my\_var variable. It’s not giving any error but when I redirect the output of the request to a file. It gives the following error message: { “error\_code” : 220, “module\_name” : “common-services”, “error\_message” : "Could not read JSON: Unrecognized token ‘jsoncode’: was expecting ‘null’, ‘true’, ‘false’ or NaN\n at [Source: [org.apache.catalina.connector.CoyoteInputStream@29d4dd6e](mailto:org.apache.catalina.connector.CoyoteInputStream@29d4dd6e); line: 1, column: 7]; nested exception is com.fasterxml.jackson.core.JsonParseException: Unrecognized token ‘jsoncode’: was expecting ‘null’, ‘true’, ‘false’ or NaN\n at [Source: [org.apache.catalina.connector.CoyoteInputStream@29d4dd6e](mailto:org.apache.catalina.connector.CoyoteInputStream@29d4dd6e); line: 1, column: 7 Correct me if I am going wrong. Thanks in advance.